Schmidtea mediterranea
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA886378 | ENA |
REPOSITORIES: ENA
Similar Datasets
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Project description:This study is the first to report genome-scale polyadenylation events in S.mediterranea using poly-A position profiling (3P-Seq).Various cis-acting elements such as hexameric PAS & U/GU enrichment after cleavage site were observed to be conserved in planaria.The cleavage site derived from 3P-Seq could be successfully associated with ~38-60% of transcripts (Makers -38%, oxford- 60% and Dresden- 44%).We also investigated the functional consequences of altered 3’UTRs arising from ApA. Around 97 transcripts were observed to undergo coding region alternate polyadenylation (CR-ApA) that resulted in loss of specific domains from proteins (as inferred from pfam domain search). In this study, we also demonstrated that microRNA-mediated regulation might be one of the key factors playing an important role in selection/evolution of alternate 3’UTRs. The 3’ UTR is one of the key regulatory element that decides the fate of mRNA inside a cell. Switching isoforms according to the need of cell and environmental cues could help the cell to adapt. In this study, we also attempted to study the tissue-specific role of ApA pattern in planaria. Due to the limitations associated with isolation of different tissue-specific cells from planaria, we performed a high-throughput microarray analysis across X1, X2 and Xins cell populations. We were clearly able to identify the differential expression pattern of the ApA events across cell population.
2022-10-01 | GSE78161 | GEO
Project description:This study is the first to report genome-scale polyadenylation events in S.mediterranea using poly-A position profiling (3P-Seq).Various cis-acting elements such as hexameric PAS & U/GU enrichment after cleavage site were observed to be conserved in planaria.The cleavage site derived from 3P-Seq could be successfully associated with ~38-60% of transcripts (Makers -38%, oxford- 60% and Dresden- 44%).We also investigated the functional consequences of altered 3’UTRs arising from ApA. Around 97 transcripts were observed to undergo coding region alternate polyadenylation (CR-ApA) that resulted in loss of specific domains from proteins (as inferred from pfam domain search). In this study, we also demonstrated that microRNA-mediated regulation might be one of the key factors playing an important role in selection/evolution of alternate 3’UTRs. The 3’ UTR is one of the key regulatory element that decides the fate of mRNA inside a cell. Switching isoforms according to the need of cell and environmental cues could help the cell to adapt. In this study, we also attempted to study the tissue-specific role of ApA pattern in planaria. Due to the limitations associated with isolation of different tissue-specific cells from planaria, we performed a high-throughput microarray analysis across X1, X2 and Xins cell populations. We were clearly able to identify the differential expression pattern of the ApA events across cell population.
2022-10-01 | GSE78261 | GEO
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