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Transcriptional profiling of laser captured gonadal tissue from the planarian Schmidtea mediterranea

ABSTRACT: Transcriptional profiling of laser captured gonadal tissue from the planarian Schmidtea mediterranea

PROVIDER: PRJNA790629 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR17272590.fastq.gz	Fastqsanger.gz
	SRR17272591.fastq.gz	Fastqsanger.gz
	SRR17272592.fastq.gz	Fastqsanger.gz
	SRR17272593.fastq.gz	Fastqsanger.gz
	SRR17272594.fastq.gz	Fastqsanger.gz

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The head-regeneration transcriptome of the planarian Schmidtea mediterranea

Project description:The head-regeneration transcriptome of the planarian Schmidtea mediterranea

2011-07-15 | E-MTAB-607 | biostudies-arrayexpress

Transcriptional profiling of laser captured intestinal tissue from the planarian Schmidtea mediterranea

Project description:Proper function and repair of the digestive system are vital to most animals. Deciphering the mechanisms involved in these processes requires an atlas of gene expression and cell types. Here, we applied laser-capture microdissection (LCM) and RNA-seq to characterize the intestinal transcriptome of Schmidtea mediterranea, a planarian flatworm that can regenerate all organs, including the gut. We identified hundreds of genes with intestinal expression undetected by previous approaches. Systematic analyses revealed extensive conservation of digestive physiology and cell types with other animals, including humans. Furthermore, spatial LCM enabled us to uncover previously unappreciated regionalization of gene expression in the planarian intestine along the medio-lateral axis, especially among intestinal goblet cells. Finally, we identified two intestine-enriched transcription factors that specifically regulate regeneration (hedgehog signaling effector gli-1) or maintenance (RREB2) of goblet cells. Altogether, this work provides resources for further investigation of mechanisms involved in gastrointestinal function, repair and regeneration.

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Transcriptional profiling of laser captured intestinal tissue from the planarian Schmidtea mediterranea

Project description:Transcriptional profiling of laser captured intestinal tissue from the planarian Schmidtea mediterranea

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Transcriptional profiling of laser captured gonadal tissue from the planarian Schmidtea mediterranea

Project description:Female germ cells develop into oocytes, with the capacity for totipotency. In most animals, these remarkable cells are specified during development and cannot be regenerated. By contrast, planarians, known for their regenerative prowess, can regenerate germ cells. To uncover mechanisms required for female germ cell development and regeneration, we generated gonad-specific transcriptomes and identified genes whose expression defines progressive stages of female germ cell development. Strikingly, early female germ cells share molecular signatures with the pluripotent stem cells driving planarian regeneration. We uncovered spatial heterogeneity within somatic ovarian cells and found that a regionally enriched FoxL homolog is required for oocyte differentiation, but not specification, suggestive of functionally distinct somatic compartments. Unexpectedly, a neurotransmitter-biosynthetic enzyme, AADC, is also expressed in somatic gonadal cells, and plays opposing roles in female and male germ cell development. Thus, somatic gonadal cells deploy conserved factors to regulate germ cell development and regeneration in planarians.

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RNA sequencing of single cells from the midline posterior extremity in planarian Schmidtea mediterranea

Project description:RNA sequencing of single cells from the midline posterior tip of the tail and posterior blastema in planarian Schmidtea mediterranea identified new posterior-pole enriched genes

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[E-MTAB-607] Transcription profiling by high throughput sequencing of the planarian Schmidtea mediterranea during head regeneration

Project description:The head-regeneration transcriptome of the planarian Schmidtea mediterranea ArrayExpress Release Date: 2011-07-15 Publication Title: The head-regeneration transcriptome of the planarian Schmidtea mediterranea Publication Author List: Thomas Sandmann, Matthias C. Vogg, Suthira Owlarn, Michael Boutros, and Kerstin Bartscherer Person Roles: submitter Person Last Name: Sandmann Person First Name: Thomas Person Mid Initials: Person Email: t.sandmann@dkfz.de Person Phone: +49 6221 42 1954 Person Address: Deutsches Krebsforschungszentrum, Im Neuenheimer Feld 580, D-69120 Heidelberg, Germany Person Affiliation: German Cancer Research Center

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Molecular markers to characterize the hermaphroditic reproductive system of the planarian Schmidtea mediterranea

Project description:Investigation of differences in gene expression between two strains of the planarian Schmidtea mediterranea. The sexual strain are cross-fertilizing hermaphrodites with reproductive organs that develop post-embryonically and the asexual strain reproduces exclusively by transverse fission and fail to develop reproductive organs. A two chip study using total RNA recovered from asexual and sexual animals. Each chip measures the expression level of 16,797 ESTs from S. mediterranea with 10 60-mer probe pairs (PM/MM) per gene, with two-fold technical redundancy.

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Molecular markers to characterize the hermaphroditic reproductive system of the planarian Schmidtea mediterranea

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Cell type transcriptome atlas for the planarian Schmidtea mediterranea

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RNA sequencing studies in planarian Schmidtea mediterranea

Project description:RNA sequencing studies in planarian Schmidtea mediterranea

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