Exploring nervous system transcriptomes during embryogenesis and metamorphosis in Xenopus tropicalis using EST analysis
2007

Studying Frog Genes During Development

Sample size: 500 publication 10 minutes Evidence: moderate

Author Information

Author(s): Ana C Fierro, Raphaël Thuret, Laurent Coen, Muriel Perron, Barbara A Demeneix, Maurice Wegnez, Gabor Gyapay, Jean Weissenbach, Patrick Wincker, André Mazabraud, Nicolas Pollet

Primary Institution: CNRS UMR 8080, Univ Paris Sud, Muséum National d'Histoire Naturelle, Genoscope

Hypothesis

The study aims to provide a functional genomics resource on genes expressed in the nervous system during early embryogenesis and metamorphosis in Xenopus tropicalis.

Conclusion

The cDNA sequences will help in understanding the roles of genes in the nervous system during development and metamorphosis.

Supporting Evidence

  • The study collected over 48,785 high-quality cDNA sequences.
  • These sequences represent an estimated 6,000 genes.
  • Gene expression profiles were derived from EST counts.
  • 225 polymorphic microsatellites were identified as genetic markers.

Takeaway

Scientists studied frog genes to learn how they change as the frogs grow up. This helps us understand how frogs develop and how their bodies work.

Methodology

The study involved constructing cDNA libraries from embryonic and metamorphic tissues, sequencing, and analyzing the resulting ESTs.

Potential Biases

There may be risks of bias due to overrepresentation of certain cDNA clones in the libraries.

Limitations

The study is limited by the complexity of the transcriptome and potential biases in the cDNA libraries.

Participant Demographics

The study used tissues from Xenopus tropicalis frogs, specifically from the Adiopodoume strain.

Digital Object Identifier (DOI)

10.1186/1471-2164-8-118

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