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Transcriptomic profiling of sea anemone tissues

ABSTRACT: Transcriptomic profiling of sea anemone tissues

PROVIDER: PRJNA646454 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12185432.fastq.gz	Fastqsanger.gz
	SRR12185433.fastq.gz	Fastqsanger.gz
	SRR12185434.fastq.gz	Fastqsanger.gz
	SRR12185435.fastq.gz	Fastqsanger.gz
	SRR12185436.fastq.gz	Fastqsanger.gz

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Epigenomic and transcriptomic profiling of cnidocyte subtypes in the sea anemone Nematostella vectensis [Cut & Tag]

Project description:Cnidarians, including corals, sea anemones, and jellyfish, possess specialized stinging cells called cnidocytes that function in prey capture and defense. These cells represent a striking evolutionary innovation and include distinct types such as venom injecting nematocytes and mechanically acting spirocytes. While their biomechanics and transcriptional regulation have been studied extensively, little is known about their epigenetic regulation. Here, we combined epigenetic profiling with RNA sequencing in the sea anemone Nematostella vectensis to explore regulatory programs underlying cnidocyte diversity. We identified cell type specific regulatory elements in promoter and enhancer regions and linked them to distinct gene expression programs. This analysis revealed fundamental differences between nematocytes and spirocytes and uncovered a previously unrecognized nematocyte population that expresses the nep3 toxin but lacks most other toxins. These findings highlight the complexity of cnidocyte regulation and suggest greater cellular diversity within this defining cnidarian cell type than previously appreciated.

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Project description:We monitored gene expression response of the symbiotic sea anemone Anemonia viridis subjected to a thermal and/or UV stress. A symbiosis-dedicated oligonucleotide microarray (2000 selected features) was generated, representing to date the only available oligonucleotide array used for symbiotic cnidarians (GPL10546). We are describing here the expression evolution during the first phase (5 days) of the stress.

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Transcriptomic profiling of sea anemone tissues

Project description:This SuperSeries is composed of the SubSeries listed below.

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Project description:This SuperSeries is composed of the following subset Series: GSE22360: Transcriptomic adaptations to symbiotic life in cnidarians : symbiotic vs bleached Anemonia viridis sea anemones GSE22361: Endoderm- vs ectoderm-specific expression of symbiosis genes in the snakelocks sea anemone Refer to individual Series

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Tissue specific differential expression in response to a thermal stress in the snakelocks sea anemone.

Project description:Differential expression between endodermal (zooxanthellate) and ectodermal tissue layers in the endosymbiotic sea anemone Anemonia viridis has been analyzed for 3 specimens subjected to a thermal stress (+10°C) for a 2 days period. A symbiosis-dedicated oligonucleotide microarray (2000 selected features) was generated, representing to date the only available oligonucleotide array used for symbiotic cnidarians (GPL10546). We are describing here the preferential expression in ectoderm vs endoderm (also called epidermis and gastroderm, respectively) during the time course of this thermal stress.

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