Ancestral Notch-mediated segmentation revealed in the cockroach Periplaneta americana
Through division into segments, animal bodies can reach higher degrees of complexity and functionality during development and evolution. The segmentation mechanisms of insects and vertebrates have been seen as fundamentally different at the anatomical and molecular levels, and consequently, independently evolved. However, this conclusion was mostly based on observations of derived insects such as Drosophila. We have cloned the Delta, Notch, and hairy genes in the cockroach Periplaneta...[Show more]
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|Source:||PNAS - Proceedings of the National Academy of Sciences of the United States of America|
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