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Characterizing the embryonic transcriptome of the snail Ilyanassa
J David Lambert1, Xin Yi Chan, Barbara Spiecker
1Department of Biology, University of Rochester, NY 14627, USA. dlamber2@mail.rochester.edu
Integrative and Comparative Biology
|May 12, 2011
Summary
This study sequenced snail embryo transcripts, identifying thousands of new genes and 182 transcription factors. The expression of one transcription factor, IoOnecut, was detailed during organogenesis.
Area of Science:
- Developmental Biology
- Genomics
- Ecotoxicology
Background:
- The snail Ilyanassa obsoleta is a valuable model organism for diverse biological studies.
- Characterizing its gene expression during development can enhance research in multiple fields.
Purpose of the Study:
- To generate a comprehensive transcriptomic dataset for Ilyanassa obsoleta embryos.
- To identify and analyze transcription factors crucial for embryonic development.
- To demonstrate the utility of this data by examining a specific transcription factor's expression pattern.
Main Methods:
- Conducted two cDNA sequencing projects on Ilyanassa obsoleta embryos.
- Assembled sequencing data into transcript contigs.
- Identified orthologs of transcription factors, focusing on sequence-specific regulators.
- Described the expression pattern of IoOnecut during organogenesis.
Main Results:
- Generated 480 megabases of new sequence data.
- Assembled sequences into contigs representing thousands of novel Ilyanassa genes.
- Identified 182 transcription factor orthologs.
- Detailed the expression pattern of IoOnecut, an HNF6/onecut family ortholog, during organogenesis.
Conclusions:
- The generated transcriptomic data provides a valuable resource for Ilyanassa obsoleta research.
- Identification of transcription factors and their expression patterns aids in understanding developmental mechanisms.
- IoOnecut plays a role during organogenesis in Ilyanassa obsoleta.

