35876 1 Jonas Maaskola Select microRNAs are essential for early development in the sea urchin. microRNAs (miRNAs) are small noncoding RNAs that mediate post-transcriptional gene regulation and have emerged as essential regulators of many develop Jonas Maaskola, Jia Song, Marlon Stoeckius, Marc Friedländer, Nadezda  Stepicheva, Celina  Juliano, Svetlana  Lebedeva, William  Thompson, Nikolaus  Rajewsky, Gary Wessel Small RNA expression profiling in early sea urchin development 22155525 42264 SRP010973 SRR409091 https://sra-downloadb.st-va.ncbi.nlm.nih.gov/sos2/sra-pub-run-6/SRR409091/SRR409091.3 GSM877247 SRA050178 SRX120407 RNA-Seq SINGLE SRP010973 PRJNA151931 35876 2 Jonas Maaskola Select microRNAs are essential for early development in the sea urchin. microRNAs (miRNAs) are small noncoding RNAs that mediate post-transcriptional gene regulation and have emerged as essential regulators of many develop Jonas Maaskola, Jia Song, Marlon Stoeckius, Marc Friedländer, Nadezda  Stepicheva, Celina  Juliano, Svetlana  Lebedeva, William  Thompson, Nikolaus  Rajewsky, Gary Wessel Small RNA expression profiling in early sea urchin development 22155525 42264 SRP010973 SRR409092 https://sra-downloadb.st-va.ncbi.nlm.nih.gov/sos2/sra-pub-run-6/SRR409092/SRR409092.3 GSM877248 SRA050178 SRX120408 RNA-Seq SINGLE SRP010973 PRJNA151931 35876 3 Jonas Maaskola Select microRNAs are essential for early development in the sea urchin. microRNAs (miRNAs) are small noncoding RNAs that mediate post-transcriptional gene regulation and have emerged as essential regulators of many develop Jonas Maaskola, Jia Song, Marlon Stoeckius, Marc Friedländer, Nadezda  Stepicheva, Celina  Juliano, Svetlana  Lebedeva, William  Thompson, Nikolaus  Rajewsky, Gary Wessel Small RNA expression profiling in early sea urchin development 22155525 42264 SRP010973 SRR409093 https://sra-downloadb.st-va.ncbi.nlm.nih.gov/sos2/sra-pub-run-6/SRR409093/SRR409093.3 GSM877249 SRA050178 SRX120409 RNA-Seq SINGLE SRP010973 PRJNA151931 35876 4 Jonas Maaskola Select microRNAs are essential for early development in the sea urchin. microRNAs (miRNAs) are small noncoding RNAs that mediate post-transcriptional gene regulation and have emerged as essential regulators of many develop Jonas Maaskola, Jia Song, Marlon Stoeckius, Marc Friedländer, Nadezda  Stepicheva, Celina  Juliano, Svetlana  Lebedeva, William  Thompson, Nikolaus  Rajewsky, Gary Wessel Small RNA expression profiling in early sea urchin development 22155525 42264 SRP010973 SRR409094 https://sra-downloadb.st-va.ncbi.nlm.nih.gov/sos2/sra-pub-run-6/SRR409094/SRR409094.3 GSM877250 SRA050178 SRX120410 RNA-Seq SINGLE SRP010973 PRJNA151931 35876 5 Jonas Maaskola Select microRNAs are essential for early development in the sea urchin. microRNAs (miRNAs) are small noncoding RNAs that mediate post-transcriptional gene regulation and have emerged as essential regulators of many develop Jonas Maaskola, Jia Song, Marlon Stoeckius, Marc Friedländer, Nadezda  Stepicheva, Celina  Juliano, Svetlana  Lebedeva, William  Thompson, Nikolaus  Rajewsky, Gary Wessel Small RNA expression profiling in early sea urchin development 22155525 42264 SRP010973 SRR409095 https://sra-downloadb.st-va.ncbi.nlm.nih.gov/sos2/sra-pub-run-6/SRR409095/SRR409095.3 GSM877251 SRA050178 SRX120411 RNA-Seq SINGLE SRP010973 PRJNA151931 35876 6 Jonas Maaskola Select microRNAs are essential for early development in the sea urchin. microRNAs (miRNAs) are small noncoding RNAs that mediate post-transcriptional gene regulation and have emerged as essential regulators of many develop Jonas Maaskola, Jia Song, Marlon Stoeckius, Marc Friedländer, Nadezda  Stepicheva, Celina  Juliano, Svetlana  Lebedeva, William  Thompson, Nikolaus  Rajewsky, Gary Wessel Small RNA expression profiling in early sea urchin development 22155525 42264 SRP010973 SRR409096 https://sra-downloadb.st-va.ncbi.nlm.nih.gov/sos2/sra-pub-run-6/SRR409096/SRR409096.3 GSM877252 SRA050178 SRX120412 RNA-Seq SINGLE SRP010973 PRJNA151931 38606 1 Daniel Runcie Genetics of gene expression responses to temperature stress in a sea urchin gene network (HTS) Stress responses play an important role in shaping species distributions and robustness to climate change. We investigated how stress responses alter Daniel Runcie, Daniel Runcie, David Garfield, Courtney Babbitt, Jennifer Wygoda, Sayan Mukherjee, Gregory Wray 7 RNAseq samples representing embryos grown at 2 temperatures, from 3 female parents and 2 male parents 22856327 42522 SRP013629 SRR505583 https://sra-downloadb.be-md.ncbi.nlm.nih.gov/sos1/sra-pub-run-2/SRR505583/SRR505583.1 GSM946005 SRA053596 SRX152581 RNA-Seq SINGLE SRP013629 PRJNA168291 38606 2 Daniel Runcie Genetics of gene expression responses to temperature stress in a sea urchin gene network (HTS) Stress responses play an important role in shaping species distributions and robustness to climate change. We investigated how stress responses alter Daniel Runcie, Daniel Runcie, David Garfield, Courtney Babbitt, Jennifer Wygoda, Sayan Mukherjee, Gregory Wray 7 RNAseq samples representing embryos grown at 2 temperatures, from 3 female parents and 2 male parents 22856327 42522 SRP013629 SRR505584 https://sra-downloadb.be-md.ncbi.nlm.nih.gov/sos1/sra-pub-run-2/SRR505584/SRR505584.1 GSM946006 SRA053596 SRX152582 RNA-Seq SINGLE SRP013629 PRJNA168291 38606 3 Daniel Runcie Genetics of gene expression responses to temperature stress in a sea urchin gene network (HTS) Stress responses play an important role in shaping species distributions and robustness to climate change. We investigated how stress responses alter Daniel Runcie, Daniel Runcie, David Garfield, Courtney Babbitt, Jennifer Wygoda, Sayan Mukherjee, Gregory Wray 7 RNAseq samples representing embryos grown at 2 temperatures, from 3 female parents and 2 male parents 22856327 42522 SRP013629 SRR505585 https://sra-downloadb.be-md.ncbi.nlm.nih.gov/sos1/sra-pub-run-2/SRR505585/SRR505585.1 GSM946007 SRA053596 SRX152583 RNA-Seq SINGLE SRP013629 PRJNA168291 38606 4 Daniel Runcie Genetics of gene expression responses to temperature stress in a sea urchin gene network (HTS) Stress responses play an important role in shaping species distributions and robustness to climate change. We investigated how stress responses alter Daniel Runcie, Daniel Runcie, David Garfield, Courtney Babbitt, Jennifer Wygoda, Sayan Mukherjee, Gregory Wray 7 RNAseq samples representing embryos grown at 2 temperatures, from 3 female parents and 2 male parents 22856327 42522 SRP013629 SRR505586 https://sra-downloadb.be-md.ncbi.nlm.nih.gov/sos1/sra-pub-run-2/SRR505586/SRR505586.1 GSM946008 SRA053596 SRX152584 RNA-Seq SINGLE SRP013629 PRJNA168291 38606 5 Daniel Runcie Genetics of gene expression responses to temperature stress in a sea urchin gene network (HTS) Stress responses play an important role in shaping species distributions and robustness to climate change. We investigated how stress responses alter Daniel Runcie, Daniel Runcie, David Garfield, Courtney Babbitt, Jennifer Wygoda, Sayan Mukherjee, Gregory Wray 7 RNAseq samples representing embryos grown at 2 temperatures, from 3 female parents and 2 male parents 22856327 42522 SRP013629 SRR505587 https://sra-downloadb.be-md.ncbi.nlm.nih.gov/sos1/sra-pub-run-2/SRR505587/SRR505587.1 GSM946009 SRA053596 SRX152585 RNA-Seq SINGLE SRP013629 PRJNA168291 38606 6 Daniel Runcie Genetics of gene expression responses to temperature stress in a sea urchin gene network (HTS) Stress responses play an important role in shaping species distributions and robustness to climate change. We investigated how stress responses alter Daniel Runcie, Daniel Runcie, David Garfield, Courtney Babbitt, Jennifer Wygoda, Sayan Mukherjee, Gregory Wray 7 RNAseq samples representing embryos grown at 2 temperatures, from 3 female parents and 2 male parents 22856327 42522 SRP013629 SRR505588 https://sra-downloadb.be-md.ncbi.nlm.nih.gov/sos1/sra-pub-run-2/SRR505588/SRR505588.1 GSM946010 SRA053596 SRX152586 RNA-Seq SINGLE SRP013629 PRJNA168291 38606 7 Daniel Runcie Genetics of gene expression responses to temperature stress in a sea urchin gene network (HTS) Stress responses play an important role in shaping species distributions and robustness to climate change. We investigated how stress responses alter Daniel Runcie, Daniel Runcie, David Garfield, Courtney Babbitt, Jennifer Wygoda, Sayan Mukherjee, Gregory Wray 7 RNAseq samples representing embryos grown at 2 temperatures, from 3 female parents and 2 male parents 22856327 42522 SRP013629 SRR505589 https://sra-downloadb.be-md.ncbi.nlm.nih.gov/sos1/sra-pub-run-2/SRR505589/SRR505589.1 GSM946011 SRA053596 SRX152587 RNA-Seq SINGLE SRP013629 PRJNA168291 76067 1 Robert Angerer Gene expression alterations in SoxC knockdown sea urchin embryos Transcription factor SoxC is required for all neural development in purple sea urchin S. purpuratus embryos. To begin to develop a gene regulatory net Robert Angerer, Zheng Wei, Lynne Angerer, Robert Angerer SoxC function was knocked down by morpholino oligo injection. RNA from about 1000 embryos were collected for both control and knockdown samples. 26657764 44383 SRP067439 SRR3017856 https://sra-downloadb.st-va.ncbi.nlm.nih.gov/sos2/sra-pub-run-6/SRR3017856/SRR3017856.1 GSM1973611 SRA320117 SRX1485315 RNA-Seq PAIRED SRP067439 PRJNA306145 76067 2 Robert Angerer Gene expression alterations in SoxC knockdown sea urchin embryos Transcription factor SoxC is required for all neural development in purple sea urchin S. purpuratus embryos. To begin to develop a gene regulatory net Robert Angerer, Zheng Wei, Lynne Angerer, Robert Angerer SoxC function was knocked down by morpholino oligo injection. RNA from about 1000 embryos were collected for both control and knockdown samples. 26657764 44383 SRP067439 SRR3017857 https://sra-downloadb.st-va.ncbi.nlm.nih.gov/sos2/sra-pub-run-6/SRR3017857/SRR3017857.1 GSM1973612 SRA320117 SRX1485316 RNA-Seq PAIRED SRP067439 PRJNA306145 89863 1 Gregory Cary RNA-seq assessment of morpholino knockdown of the sea star (Patiria miniata) Pm-Tbr transcription factor in early embryos Purpose: The Tbrain transcription factor has demonstrated an evolved preference for low-affinity, secondary site binding motifs between the sea star a Gregory Cary, Gregory Cary, Veronica Hinman mRNA sensitive to PmTbr knockdown were determined by measuring RNA from blastula embryos injected with either anti-Pm-Tbr morpholino antisense oligonucleotides or a control MASO, in triplicate, followed by sequencing using Illumina HiSeq 2500 28584099 45554 SRP096041 SRR5022456 https://sra-downloadb.st-va.ncbi.nlm.nih.gov/sos2/sra-pub-run-3/SRR5022456/SRR5022456.1 GSM2391750 SRA494250 SRX2349182 RNA-Seq SINGLE SRP096041 PRJNA354525 89863 2 Gregory Cary RNA-seq assessment of morpholino knockdown of the sea star (Patiria miniata) Pm-Tbr transcription factor in early embryos Purpose: The Tbrain transcription factor has demonstrated an evolved preference for low-affinity, secondary site binding motifs between the sea star a Gregory Cary, Gregory Cary, Veronica Hinman mRNA sensitive to PmTbr knockdown were determined by measuring RNA from blastula embryos injected with either anti-Pm-Tbr morpholino antisense oligonucleotides or a control MASO, in triplicate, followed by sequencing using Illumina HiSeq 2500 28584099 45554 SRP096041 SRR5022457 https://sra-downloadb.st-va.ncbi.nlm.nih.gov/sos2/sra-pub-run-3/SRR5022457/SRR5022457.1 GSM2391751 SRA494250 SRX2349183 RNA-Seq SINGLE SRP096041 PRJNA354525 89863 3 Gregory Cary RNA-seq assessment of morpholino knockdown of the sea star (Patiria miniata) Pm-Tbr transcription factor in early embryos Purpose: The Tbrain transcription factor has demonstrated an evolved preference for low-affinity, secondary site binding motifs between the sea star a Gregory Cary, Gregory Cary, Veronica Hinman mRNA sensitive to PmTbr knockdown were determined by measuring RNA from blastula embryos injected with either anti-Pm-Tbr morpholino antisense oligonucleotides or a control MASO, in triplicate, followed by sequencing using Illumina HiSeq 2500 28584099 45554 SRP096041 SRR5022458 https://sra-downloadb.st-va.ncbi.nlm.nih.gov/sos2/sra-pub-run-3/SRR5022458/SRR5022458.1 GSM2391752 SRA494250 SRX2349184 RNA-Seq SINGLE SRP096041 PRJNA354525 89863 4 Gregory Cary RNA-seq assessment of morpholino knockdown of the sea star (Patiria miniata) Pm-Tbr transcription factor in early embryos Purpose: The Tbrain transcription factor has demonstrated an evolved preference for low-affinity, secondary site binding motifs between the sea star a Gregory Cary, Gregory Cary, Veronica Hinman mRNA sensitive to PmTbr knockdown were determined by measuring RNA from blastula embryos injected with either anti-Pm-Tbr morpholino antisense oligonucleotides or a control MASO, in triplicate, followed by sequencing using Illumina HiSeq 2500 28584099 45554 SRP096041 SRR5022459 https://sra-downloadb.st-va.ncbi.nlm.nih.gov/sos1/sra-pub-run-10/SRR5022459/SRR5022459.1 GSM2391753 SRA494250 SRX2349185 RNA-Seq SINGLE SRP096041 PRJNA354525 89863 5 Gregory Cary RNA-seq assessment of morpholino knockdown of the sea star (Patiria miniata) Pm-Tbr transcription factor in early embryos Purpose: The Tbrain transcription factor has demonstrated an evolved preference for low-affinity, secondary site binding motifs between the sea star a Gregory Cary, Gregory Cary, Veronica Hinman mRNA sensitive to PmTbr knockdown were determined by measuring RNA from blastula embryos injected with either anti-Pm-Tbr morpholino antisense oligonucleotides or a control MASO, in triplicate, followed by sequencing using Illumina HiSeq 2500 28584099 45554 SRP096041 SRR5022460 https://sra-downloadb.st-va.ncbi.nlm.nih.gov/sos1/sra-pub-run-10/SRR5022460/SRR5022460.1 GSM2391754 SRA494250 SRX2349186 RNA-Seq SINGLE SRP096041 PRJNA354525 89863 6 Gregory Cary RNA-seq assessment of morpholino knockdown of the sea star (Patiria miniata) Pm-Tbr transcription factor in early embryos Purpose: The Tbrain transcription factor has demonstrated an evolved preference for low-affinity, secondary site binding motifs between the sea star a Gregory Cary, Gregory Cary, Veronica Hinman mRNA sensitive to PmTbr knockdown were determined by measuring RNA from blastula embryos injected with either anti-Pm-Tbr morpholino antisense oligonucleotides or a control MASO, in triplicate, followed by sequencing using Illumina HiSeq 2500 28584099 45554 SRP096041 SRR5022461 https://sra-downloadb.st-va.ncbi.nlm.nih.gov/sos1/sra-pub-run-10/SRR5022461/SRR5022461.1 GSM2391755 SRA494250 SRX2349187 RNA-Seq SINGLE SRP096041 PRJNA354525 97448 1 Katherine Buckley Gene expression in tissues from an immune challenged adult sea urchin (Strongylocentrotus purpuratus) To induce an immune response, a single adult animal was injected intracoelomically with complex microbiota isolated from the gut of another adult anim Katherine Buckley, Katherine Buckley, Jonathan Rast A single immune-challenged animal was the source of the two tissues analyzed for gene expression (coelomocytes and gut). 0 51283 SRP103125 SRR5420081 https://sra-downloadb.be-md.ncbi.nlm.nih.gov/sos2/sra-pub-run-7/SRR5420081/SRR5420081.1 GSM2564784 SRA551960 SRX2711611 RNA-Seq PAIRED SRP103125 PRJNA381801 134350 1 Gary Wessel Single cell RNA‐seq in the sea urchin embryo show marked cell‐type specificity in the Delta/Notch pathway Overall, we conclude that single cell RNA‐seq analysis in this embryo is revealing of the cell types present during development, of the changes in Gary Wessel, Stephany Foster Adult S. purpuratus were obtained from South Coast Bio‐Marine info@scbiomarine.com and were spawned using 0.5 M KCl injections intracoelomically. DAPT (Tocris) was added at fertilization to 8 μM, a concentration previously determined to effectively perturb Delta/Notch signaling without affecting overall development (Materna & Davidson, 2012). C59 (Cellagen) was added at 0.5 μM at fertilization as previously described (Cui et al., 2014). Embryos were cultured and, at appropriate developmental stages, were dissociated into single cells as described (McClay, 2004). We started with 50 ml cultures containing 0.25% of embryos (125 ul of embryos in 50 ml). The full volume was dissociated into single cells. We obtained 12 million single cells from which 5,000 were used for the DropSeq.The single‐cell RNA‐seq protocol was performed using the ChromiumTM Single Cell 3′ reagent kit v2 chemistry and cells were loaded on a GemCode Single Cell Instrument (10× Genomics, Pleasanton, CA). 31199038 47260 SRP214801 SRR9693264 https://sra-downloadb.be-md.ncbi.nlm.nih.gov/sos2/sra-pub-run-15/SRR9693264/SRR9693264.1 GSM3943022 SRA921486 SRX6451538 RNA-Seq PAIRED SRP214801 PRJNA554833 134350 2 Gary Wessel Single cell RNA‐seq in the sea urchin embryo show marked cell‐type specificity in the Delta/Notch pathway Overall, we conclude that single cell RNA‐seq analysis in this embryo is revealing of the cell types present during development, of the changes in Gary Wessel, Stephany Foster Adult S. purpuratus were obtained from South Coast Bio‐Marine info@scbiomarine.com and were spawned using 0.5 M KCl injections intracoelomically. DAPT (Tocris) was added at fertilization to 8 μM, a concentration previously determined to effectively perturb Delta/Notch signaling without affecting overall development (Materna & Davidson, 2012). C59 (Cellagen) was added at 0.5 μM at fertilization as previously described (Cui et al., 2014). Embryos were cultured and, at appropriate developmental stages, were dissociated into single cells as described (McClay, 2004). We started with 50 ml cultures containing 0.25% of embryos (125 ul of embryos in 50 ml). The full volume was dissociated into single cells. We obtained 12 million single cells from which 5,000 were used for the DropSeq.The single‐cell RNA‐seq protocol was performed using the ChromiumTM Single Cell 3′ reagent kit v2 chemistry and cells were loaded on a GemCode Single Cell Instrument (10× Genomics, Pleasanton, CA). 31199038 47260 SRP214801 SRR9693265 https://sra-downloadb.be-md.ncbi.nlm.nih.gov/sos2/sra-pub-run-15/SRR9693265/SRR9693265.1 GSM3943023 SRA921486 SRX6451539 RNA-Seq PAIRED SRP214801 PRJNA554833 134350 3 Gary Wessel Single cell RNA‐seq in the sea urchin embryo show marked cell‐type specificity in the Delta/Notch pathway Overall, we conclude that single cell RNA‐seq analysis in this embryo is revealing of the cell types present during development, of the changes in Gary Wessel, Stephany Foster Adult S. purpuratus were obtained from South Coast Bio‐Marine info@scbiomarine.com and were spawned using 0.5 M KCl injections intracoelomically. DAPT (Tocris) was added at fertilization to 8 μM, a concentration previously determined to effectively perturb Delta/Notch signaling without affecting overall development (Materna & Davidson, 2012). C59 (Cellagen) was added at 0.5 μM at fertilization as previously described (Cui et al., 2014). Embryos were cultured and, at appropriate developmental stages, were dissociated into single cells as described (McClay, 2004). We started with 50 ml cultures containing 0.25% of embryos (125 ul of embryos in 50 ml). The full volume was dissociated into single cells. We obtained 12 million single cells from which 5,000 were used for the DropSeq.The single‐cell RNA‐seq protocol was performed using the ChromiumTM Single Cell 3′ reagent kit v2 chemistry and cells were loaded on a GemCode Single Cell Instrument (10× Genomics, Pleasanton, CA). 31199038 47260 SRP214801 SRR9693266 https://sra-downloadb.be-md.ncbi.nlm.nih.gov/sos2/sra-pub-run-15/SRR9693266/SRR9693266.1 GSM3943024 SRA921486 SRX6451540 RNA-Seq PAIRED SRP214801 PRJNA554833 149221 1 Gary Wessel A single cell RNA-seq resource for early sea urchin development Here we leverage the sea urchin embryo for its rich history of developmental transitions, its well-established gene regulatory network, and the abilit Gary Wessel, Stephany Foster, Nathalie Oulhen Eggs and sperm of S.purpuratus were spawned by injection of 0.5M KCl into the adult coelomic cavity. Fertilization was accomplished in sea water containing 10mM p-aminobenzoic acid to reduce cross-linking of the fertilization envelope, and which was washed out after 30 minutes. Embryos were cultured in filtered (0.2micron) sea water collected at the Marine Biological laboratories in Woods Hole MA, until the appropriate stage for dissociation. Multiple fertilizations were initiated in this study and timed such that the appropriate stages of embryonic development were reached at a common endpoint. The embryos were then collected and washed twice with calcium-free sea water, and then suspended hyalin-extraction media (HEM) for 10-15 minutes, depending on the stage of dissociation.  When cells were beginning to dissociate, the embryos were collected and washed in 0.5M NaCl, gently sheared with a pipette, run through a 40micron Nitex mesh, counted on a hemocytometer, and diluted to reach the appropriate concentration for the scmRNA-seq protocol. Equal numbers of embryos were used in each time point and at no time were cells or embryos pelleted in a centrifuge.  32816969 48861 SRP258127 SRR11599813 https://sra-download.ncbi.nlm.nih.gov/traces/sra71/SRR/011327/SRR11599813 GSM4494538 SRA1068313 SRX8166534 RNA-Seq PAIRED SRP258127 PRJNA627693 149221 2 Gary Wessel A single cell RNA-seq resource for early sea urchin development Here we leverage the sea urchin embryo for its rich history of developmental transitions, its well-established gene regulatory network, and the abilit Gary Wessel, Stephany Foster, Nathalie Oulhen Eggs and sperm of S.purpuratus were spawned by injection of 0.5M KCl into the adult coelomic cavity. Fertilization was accomplished in sea water containing 10mM p-aminobenzoic acid to reduce cross-linking of the fertilization envelope, and which was washed out after 30 minutes. Embryos were cultured in filtered (0.2micron) sea water collected at the Marine Biological laboratories in Woods Hole MA, until the appropriate stage for dissociation. Multiple fertilizations were initiated in this study and timed such that the appropriate stages of embryonic development were reached at a common endpoint. The embryos were then collected and washed twice with calcium-free sea water, and then suspended hyalin-extraction media (HEM) for 10-15 minutes, depending on the stage of dissociation.  When cells were beginning to dissociate, the embryos were collected and washed in 0.5M NaCl, gently sheared with a pipette, run through a 40micron Nitex mesh, counted on a hemocytometer, and diluted to reach the appropriate concentration for the scmRNA-seq protocol. Equal numbers of embryos were used in each time point and at no time were cells or embryos pelleted in a centrifuge.  32816969 48861 SRP258127 SRR11599814 https://sra-download.ncbi.nlm.nih.gov/traces/sra20/SRR/011327/SRR11599814 GSM4494539 SRA1068313 SRX8166535 RNA-Seq PAIRED SRP258127 PRJNA627693 149221 3 Gary Wessel A single cell RNA-seq resource for early sea urchin development Here we leverage the sea urchin embryo for its rich history of developmental transitions, its well-established gene regulatory network, and the abilit Gary Wessel, Stephany Foster, Nathalie Oulhen Eggs and sperm of S.purpuratus were spawned by injection of 0.5M KCl into the adult coelomic cavity. Fertilization was accomplished in sea water containing 10mM p-aminobenzoic acid to reduce cross-linking of the fertilization envelope, and which was washed out after 30 minutes. Embryos were cultured in filtered (0.2micron) sea water collected at the Marine Biological laboratories in Woods Hole MA, until the appropriate stage for dissociation. Multiple fertilizations were initiated in this study and timed such that the appropriate stages of embryonic development were reached at a common endpoint. The embryos were then collected and washed twice with calcium-free sea water, and then suspended hyalin-extraction media (HEM) for 10-15 minutes, depending on the stage of dissociation.  When cells were beginning to dissociate, the embryos were collected and washed in 0.5M NaCl, gently sheared with a pipette, run through a 40micron Nitex mesh, counted on a hemocytometer, and diluted to reach the appropriate concentration for the scmRNA-seq protocol. Equal numbers of embryos were used in each time point and at no time were cells or embryos pelleted in a centrifuge.  32816969 48861 SRP258127 SRR11599815 https://sra-download.ncbi.nlm.nih.gov/traces/sra65/SRR/011327/SRR11599815 GSM4494540 SRA1068313 SRX8166536 RNA-Seq PAIRED SRP258127 PRJNA627693 149221 4 Gary Wessel A single cell RNA-seq resource for early sea urchin development Here we leverage the sea urchin embryo for its rich history of developmental transitions, its well-established gene regulatory network, and the abilit Gary Wessel, Stephany Foster, Nathalie Oulhen Eggs and sperm of S.purpuratus were spawned by injection of 0.5M KCl into the adult coelomic cavity. Fertilization was accomplished in sea water containing 10mM p-aminobenzoic acid to reduce cross-linking of the fertilization envelope, and which was washed out after 30 minutes. Embryos were cultured in filtered (0.2micron) sea water collected at the Marine Biological laboratories in Woods Hole MA, until the appropriate stage for dissociation. Multiple fertilizations were initiated in this study and timed such that the appropriate stages of embryonic development were reached at a common endpoint. The embryos were then collected and washed twice with calcium-free sea water, and then suspended hyalin-extraction media (HEM) for 10-15 minutes, depending on the stage of dissociation.  When cells were beginning to dissociate, the embryos were collected and washed in 0.5M NaCl, gently sheared with a pipette, run through a 40micron Nitex mesh, counted on a hemocytometer, and diluted to reach the appropriate concentration for the scmRNA-seq protocol. Equal numbers of embryos were used in each time point and at no time were cells or embryos pelleted in a centrifuge.  32816969 48861 SRP258127 SRR11599816 https://sra-download.ncbi.nlm.nih.gov/traces/sra42/SRR/011327/SRR11599816 GSM4494541 SRA1068313 SRX8166537 RNA-Seq PAIRED SRP258127 PRJNA627693 149221 5 Gary Wessel A single cell RNA-seq resource for early sea urchin development Here we leverage the sea urchin embryo for its rich history of developmental transitions, its well-established gene regulatory network, and the abilit Gary Wessel, Stephany Foster, Nathalie Oulhen Eggs and sperm of S.purpuratus were spawned by injection of 0.5M KCl into the adult coelomic cavity. Fertilization was accomplished in sea water containing 10mM p-aminobenzoic acid to reduce cross-linking of the fertilization envelope, and which was washed out after 30 minutes. Embryos were cultured in filtered (0.2micron) sea water collected at the Marine Biological laboratories in Woods Hole MA, until the appropriate stage for dissociation. Multiple fertilizations were initiated in this study and timed such that the appropriate stages of embryonic development were reached at a common endpoint. The embryos were then collected and washed twice with calcium-free sea water, and then suspended hyalin-extraction media (HEM) for 10-15 minutes, depending on the stage of dissociation.  When cells were beginning to dissociate, the embryos were collected and washed in 0.5M NaCl, gently sheared with a pipette, run through a 40micron Nitex mesh, counted on a hemocytometer, and diluted to reach the appropriate concentration for the scmRNA-seq protocol. Equal numbers of embryos were used in each time point and at no time were cells or embryos pelleted in a centrifuge.  32816969 48861 SRP258127 SRR11599817 https://sra-download.ncbi.nlm.nih.gov/traces/sra67/SRR/011327/SRR11599817 GSM4494542 SRA1068313 SRX8166538 RNA-Seq PAIRED SRP258127 PRJNA627693 149221 6 Gary Wessel A single cell RNA-seq resource for early sea urchin development Here we leverage the sea urchin embryo for its rich history of developmental transitions, its well-established gene regulatory network, and the abilit Gary Wessel, Stephany Foster, Nathalie Oulhen Eggs and sperm of S.purpuratus were spawned by injection of 0.5M KCl into the adult coelomic cavity. Fertilization was accomplished in sea water containing 10mM p-aminobenzoic acid to reduce cross-linking of the fertilization envelope, and which was washed out after 30 minutes. Embryos were cultured in filtered (0.2micron) sea water collected at the Marine Biological laboratories in Woods Hole MA, until the appropriate stage for dissociation. Multiple fertilizations were initiated in this study and timed such that the appropriate stages of embryonic development were reached at a common endpoint. The embryos were then collected and washed twice with calcium-free sea water, and then suspended hyalin-extraction media (HEM) for 10-15 minutes, depending on the stage of dissociation.  When cells were beginning to dissociate, the embryos were collected and washed in 0.5M NaCl, gently sheared with a pipette, run through a 40micron Nitex mesh, counted on a hemocytometer, and diluted to reach the appropriate concentration for the scmRNA-seq protocol. Equal numbers of embryos were used in each time point and at no time were cells or embryos pelleted in a centrifuge.  32816969 48861 SRP258127 SRR11599818 https://sra-download.ncbi.nlm.nih.gov/traces/sra42/SRR/011327/SRR11599818 GSM4494542 SRA1068313 SRX8166538 RNA-Seq PAIRED SRP258127 PRJNA627693 149221 7 Gary Wessel A single cell RNA-seq resource for early sea urchin development Here we leverage the sea urchin embryo for its rich history of developmental transitions, its well-established gene regulatory network, and the abilit Gary Wessel, Stephany Foster, Nathalie Oulhen Eggs and sperm of S.purpuratus were spawned by injection of 0.5M KCl into the adult coelomic cavity. Fertilization was accomplished in sea water containing 10mM p-aminobenzoic acid to reduce cross-linking of the fertilization envelope, and which was washed out after 30 minutes. Embryos were cultured in filtered (0.2micron) sea water collected at the Marine Biological laboratories in Woods Hole MA, until the appropriate stage for dissociation. Multiple fertilizations were initiated in this study and timed such that the appropriate stages of embryonic development were reached at a common endpoint. The embryos were then collected and washed twice with calcium-free sea water, and then suspended hyalin-extraction media (HEM) for 10-15 minutes, depending on the stage of dissociation.  When cells were beginning to dissociate, the embryos were collected and washed in 0.5M NaCl, gently sheared with a pipette, run through a 40micron Nitex mesh, counted on a hemocytometer, and diluted to reach the appropriate concentration for the scmRNA-seq protocol. Equal numbers of embryos were used in each time point and at no time were cells or embryos pelleted in a centrifuge.  32816969 48861 SRP258127 SRR11599819 https://sra-download.ncbi.nlm.nih.gov/traces/sra54/SRR/011327/SRR11599819 GSM4494543 SRA1068313 SRX8166539 RNA-Seq PAIRED SRP258127 PRJNA627693 149221 8 Gary Wessel A single cell RNA-seq resource for early sea urchin development Here we leverage the sea urchin embryo for its rich history of developmental transitions, its well-established gene regulatory network, and the abilit Gary Wessel, Stephany Foster, Nathalie Oulhen Eggs and sperm of S.purpuratus were spawned by injection of 0.5M KCl into the adult coelomic cavity. Fertilization was accomplished in sea water containing 10mM p-aminobenzoic acid to reduce cross-linking of the fertilization envelope, and which was washed out after 30 minutes. Embryos were cultured in filtered (0.2micron) sea water collected at the Marine Biological laboratories in Woods Hole MA, until the appropriate stage for dissociation. Multiple fertilizations were initiated in this study and timed such that the appropriate stages of embryonic development were reached at a common endpoint. The embryos were then collected and washed twice with calcium-free sea water, and then suspended hyalin-extraction media (HEM) for 10-15 minutes, depending on the stage of dissociation.  When cells were beginning to dissociate, the embryos were collected and washed in 0.5M NaCl, gently sheared with a pipette, run through a 40micron Nitex mesh, counted on a hemocytometer, and diluted to reach the appropriate concentration for the scmRNA-seq protocol. Equal numbers of embryos were used in each time point and at no time were cells or embryos pelleted in a centrifuge.  32816969 48861 SRP258127 SRR11599820 https://sra-download.ncbi.nlm.nih.gov/traces/sra29/SRR/011327/SRR11599820 GSM4494543 SRA1068313 SRX8166539 RNA-Seq PAIRED SRP258127 PRJNA627693 149221 9 Gary Wessel A single cell RNA-seq resource for early sea urchin development Here we leverage the sea urchin embryo for its rich history of developmental transitions, its well-established gene regulatory network, and the abilit Gary Wessel, Stephany Foster, Nathalie Oulhen Eggs and sperm of S.purpuratus were spawned by injection of 0.5M KCl into the adult coelomic cavity. Fertilization was accomplished in sea water containing 10mM p-aminobenzoic acid to reduce cross-linking of the fertilization envelope, and which was washed out after 30 minutes. Embryos were cultured in filtered (0.2micron) sea water collected at the Marine Biological laboratories in Woods Hole MA, until the appropriate stage for dissociation. Multiple fertilizations were initiated in this study and timed such that the appropriate stages of embryonic development were reached at a common endpoint. The embryos were then collected and washed twice with calcium-free sea water, and then suspended hyalin-extraction media (HEM) for 10-15 minutes, depending on the stage of dissociation.  When cells were beginning to dissociate, the embryos were collected and washed in 0.5M NaCl, gently sheared with a pipette, run through a 40micron Nitex mesh, counted on a hemocytometer, and diluted to reach the appropriate concentration for the scmRNA-seq protocol. Equal numbers of embryos were used in each time point and at no time were cells or embryos pelleted in a centrifuge.  32816969 48861 SRP258127 SRR11599821 https://sra-download.ncbi.nlm.nih.gov/traces/sra34/SRR/011327/SRR11599821 GSM4494544 SRA1068313 SRX8166540 RNA-Seq PAIRED SRP258127 PRJNA627693 149221 10 Gary Wessel A single cell RNA-seq resource for early sea urchin development Here we leverage the sea urchin embryo for its rich history of developmental transitions, its well-established gene regulatory network, and the abilit Gary Wessel, Stephany Foster, Nathalie Oulhen Eggs and sperm of S.purpuratus were spawned by injection of 0.5M KCl into the adult coelomic cavity. Fertilization was accomplished in sea water containing 10mM p-aminobenzoic acid to reduce cross-linking of the fertilization envelope, and which was washed out after 30 minutes. Embryos were cultured in filtered (0.2micron) sea water collected at the Marine Biological laboratories in Woods Hole MA, until the appropriate stage for dissociation. Multiple fertilizations were initiated in this study and timed such that the appropriate stages of embryonic development were reached at a common endpoint. The embryos were then collected and washed twice with calcium-free sea water, and then suspended hyalin-extraction media (HEM) for 10-15 minutes, depending on the stage of dissociation.  When cells were beginning to dissociate, the embryos were collected and washed in 0.5M NaCl, gently sheared with a pipette, run through a 40micron Nitex mesh, counted on a hemocytometer, and diluted to reach the appropriate concentration for the scmRNA-seq protocol. Equal numbers of embryos were used in each time point and at no time were cells or embryos pelleted in a centrifuge.  32816969 48861 SRP258127 SRR11599822 https://sra-download.ncbi.nlm.nih.gov/traces/sra76/SRR/011327/SRR11599822 GSM4494544 SRA1068313 SRX8166540 RNA-Seq PAIRED SRP258127 PRJNA627693 149221 11 Gary Wessel A single cell RNA-seq resource for early sea urchin development Here we leverage the sea urchin embryo for its rich history of developmental transitions, its well-established gene regulatory network, and the abilit Gary Wessel, Stephany Foster, Nathalie Oulhen Eggs and sperm of S.purpuratus were spawned by injection of 0.5M KCl into the adult coelomic cavity. Fertilization was accomplished in sea water containing 10mM p-aminobenzoic acid to reduce cross-linking of the fertilization envelope, and which was washed out after 30 minutes. Embryos were cultured in filtered (0.2micron) sea water collected at the Marine Biological laboratories in Woods Hole MA, until the appropriate stage for dissociation. Multiple fertilizations were initiated in this study and timed such that the appropriate stages of embryonic development were reached at a common endpoint. The embryos were then collected and washed twice with calcium-free sea water, and then suspended hyalin-extraction media (HEM) for 10-15 minutes, depending on the stage of dissociation.  When cells were beginning to dissociate, the embryos were collected and washed in 0.5M NaCl, gently sheared with a pipette, run through a 40micron Nitex mesh, counted on a hemocytometer, and diluted to reach the appropriate concentration for the scmRNA-seq protocol. Equal numbers of embryos were used in each time point and at no time were cells or embryos pelleted in a centrifuge.  32816969 48861 SRP258127 SRR11599823 https://sra-download.ncbi.nlm.nih.gov/traces/sra39/SRR/011327/SRR11599823 GSM4494545 SRA1068313 SRX8166541 RNA-Seq PAIRED SRP258127 PRJNA627693 149221 12 Gary Wessel A single cell RNA-seq resource for early sea urchin development Here we leverage the sea urchin embryo for its rich history of developmental transitions, its well-established gene regulatory network, and the abilit Gary Wessel, Stephany Foster, Nathalie Oulhen Eggs and sperm of S.purpuratus were spawned by injection of 0.5M KCl into the adult coelomic cavity. Fertilization was accomplished in sea water containing 10mM p-aminobenzoic acid to reduce cross-linking of the fertilization envelope, and which was washed out after 30 minutes. Embryos were cultured in filtered (0.2micron) sea water collected at the Marine Biological laboratories in Woods Hole MA, until the appropriate stage for dissociation. Multiple fertilizations were initiated in this study and timed such that the appropriate stages of embryonic development were reached at a common endpoint. The embryos were then collected and washed twice with calcium-free sea water, and then suspended hyalin-extraction media (HEM) for 10-15 minutes, depending on the stage of dissociation.  When cells were beginning to dissociate, the embryos were collected and washed in 0.5M NaCl, gently sheared with a pipette, run through a 40micron Nitex mesh, counted on a hemocytometer, and diluted to reach the appropriate concentration for the scmRNA-seq protocol. Equal numbers of embryos were used in each time point and at no time were cells or embryos pelleted in a centrifuge.  32816969 48861 SRP258127 SRR11599824 https://sra-download.ncbi.nlm.nih.gov/traces/sra67/SRR/011327/SRR11599824 GSM4494545 SRA1068313 SRX8166541 RNA-Seq PAIRED SRP258127 PRJNA627693 155427 1 nathalie oulhen Regulation of dynamic pigment cell states at single-cell resolution Pigment cells bear molecules with diverse physiological roles across phylogeny and are often under strict evolutionary selection. Thus, the mechanisms nathalie oulhen, Margherita Perillo, Stephany Foster, Maxwell Spurrell, Cristina Calestani, Gary Wessel Eggs and sperm of S.purpuratus were spawned by injection of 0.5M KCl into the adult coelomic cavity. Embryos were cultured in filtered (0.2micron) sea water collected at the Marine Biological laboratories in Woods Hole MA, until the appropriate stage for dissociation (48 and 72 hours post fertilization). To test the function of gcm, eggs were dejelled before fertilization by washing in pH4.0 seawater, and injected post fertilization in presence of 1mM 3-AT with either a control morpholino or the gcm morpholino used at a concentration of 0.5mM. The resulting wild type controls and albino embryos were collected at 48 hpf. These 4 samples (non injected 48 and 72 hpf, control morpholino injected 48 hpf and gcm morpholino injected 48 hpf embryos) were used for single cell RNA seq. Briefly, the collected embryos were washed twice with calcium-free sea water, and then suspended hyalin-extraction media (HEM) for 10-15 minutes, depending on the stage of dissociation. When cells were beginning to dissociate, the embryos were collected and washed in 0.5M NaCl, gently sheared with a pipette, run through a 40micron Nitex mesh, counted on a hemocytometer, and diluted to reach the appropriate concentration for the single cell RNA-seq protocol using the 10X Chromium technology (v3 Chemistry). 32812865 48862 SRP274329 SRR12353949 https://sra-download.ncbi.nlm.nih.gov/traces/sra21/SRR/012064/SRR12353949 GSM4704280 SRA1105741 SRX8853396 RNA-Seq PAIRED SRP274329 PRJNA649738 155427 2 nathalie oulhen Regulation of dynamic pigment cell states at single-cell resolution Pigment cells bear molecules with diverse physiological roles across phylogeny and are often under strict evolutionary selection. Thus, the mechanisms nathalie oulhen, Margherita Perillo, Stephany Foster, Maxwell Spurrell, Cristina Calestani, Gary Wessel Eggs and sperm of S.purpuratus were spawned by injection of 0.5M KCl into the adult coelomic cavity. Embryos were cultured in filtered (0.2micron) sea water collected at the Marine Biological laboratories in Woods Hole MA, until the appropriate stage for dissociation (48 and 72 hours post fertilization). To test the function of gcm, eggs were dejelled before fertilization by washing in pH4.0 seawater, and injected post fertilization in presence of 1mM 3-AT with either a control morpholino or the gcm morpholino used at a concentration of 0.5mM. The resulting wild type controls and albino embryos were collected at 48 hpf. These 4 samples (non injected 48 and 72 hpf, control morpholino injected 48 hpf and gcm morpholino injected 48 hpf embryos) were used for single cell RNA seq. Briefly, the collected embryos were washed twice with calcium-free sea water, and then suspended hyalin-extraction media (HEM) for 10-15 minutes, depending on the stage of dissociation. When cells were beginning to dissociate, the embryos were collected and washed in 0.5M NaCl, gently sheared with a pipette, run through a 40micron Nitex mesh, counted on a hemocytometer, and diluted to reach the appropriate concentration for the single cell RNA-seq protocol using the 10X Chromium technology (v3 Chemistry). 32812865 48862 SRP274329 SRR12353950 https://sra-download.ncbi.nlm.nih.gov/traces/sra69/SRR/012064/SRR12353950 GSM4704281 SRA1105741 SRX8853397 RNA-Seq PAIRED SRP274329 PRJNA649738 155427 3 nathalie oulhen Regulation of dynamic pigment cell states at single-cell resolution Pigment cells bear molecules with diverse physiological roles across phylogeny and are often under strict evolutionary selection. Thus, the mechanisms nathalie oulhen, Margherita Perillo, Stephany Foster, Maxwell Spurrell, Cristina Calestani, Gary Wessel Eggs and sperm of S.purpuratus were spawned by injection of 0.5M KCl into the adult coelomic cavity. Embryos were cultured in filtered (0.2micron) sea water collected at the Marine Biological laboratories in Woods Hole MA, until the appropriate stage for dissociation (48 and 72 hours post fertilization). To test the function of gcm, eggs were dejelled before fertilization by washing in pH4.0 seawater, and injected post fertilization in presence of 1mM 3-AT with either a control morpholino or the gcm morpholino used at a concentration of 0.5mM. The resulting wild type controls and albino embryos were collected at 48 hpf. These 4 samples (non injected 48 and 72 hpf, control morpholino injected 48 hpf and gcm morpholino injected 48 hpf embryos) were used for single cell RNA seq. Briefly, the collected embryos were washed twice with calcium-free sea water, and then suspended hyalin-extraction media (HEM) for 10-15 minutes, depending on the stage of dissociation. When cells were beginning to dissociate, the embryos were collected and washed in 0.5M NaCl, gently sheared with a pipette, run through a 40micron Nitex mesh, counted on a hemocytometer, and diluted to reach the appropriate concentration for the single cell RNA-seq protocol using the 10X Chromium technology (v3 Chemistry). 32812865 48862 SRP274329 SRR12353951 https://sra-download.ncbi.nlm.nih.gov/traces/sra77/SRR/012064/SRR12353951 GSM4704282 SRA1105741 SRX8853398 RNA-Seq PAIRED SRP274329 PRJNA649738 155427 4 nathalie oulhen Regulation of dynamic pigment cell states at single-cell resolution Pigment cells bear molecules with diverse physiological roles across phylogeny and are often under strict evolutionary selection. Thus, the mechanisms nathalie oulhen, Margherita Perillo, Stephany Foster, Maxwell Spurrell, Cristina Calestani, Gary Wessel Eggs and sperm of S.purpuratus were spawned by injection of 0.5M KCl into the adult coelomic cavity. Embryos were cultured in filtered (0.2micron) sea water collected at the Marine Biological laboratories in Woods Hole MA, until the appropriate stage for dissociation (48 and 72 hours post fertilization). To test the function of gcm, eggs were dejelled before fertilization by washing in pH4.0 seawater, and injected post fertilization in presence of 1mM 3-AT with either a control morpholino or the gcm morpholino used at a concentration of 0.5mM. The resulting wild type controls and albino embryos were collected at 48 hpf. These 4 samples (non injected 48 and 72 hpf, control morpholino injected 48 hpf and gcm morpholino injected 48 hpf embryos) were used for single cell RNA seq. Briefly, the collected embryos were washed twice with calcium-free sea water, and then suspended hyalin-extraction media (HEM) for 10-15 minutes, depending on the stage of dissociation. When cells were beginning to dissociate, the embryos were collected and washed in 0.5M NaCl, gently sheared with a pipette, run through a 40micron Nitex mesh, counted on a hemocytometer, and diluted to reach the appropriate concentration for the single cell RNA-seq protocol using the 10X Chromium technology (v3 Chemistry). 32812865 48862 SRP274329 SRR12353952 https://sra-download.ncbi.nlm.nih.gov/traces/sra27/SRR/012064/SRR12353952 GSM4704283 SRA1105741 SRX8853399 RNA-Seq PAIRED SRP274329 PRJNA649738