Insights from the echinoderms
Article Abstract:
Morphogenesis of the definitive phyletic characteristics of the echinoderm body plan is associated with, and may be determined by, the expression of engrailed, distalless and orthodenticle in ways that are only seen in echinoderms. This has been established by research which has identified the expression of these homeodomain transcription factors in the larval and early development of starfish, sea urchins, brittle stars and sea cucumbers. The usage of these transcription factors is different in different classes of echinoderms.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1997
User Contributions:
Comment about this article or add new information about this topic:
Defective limbic system in mice lacking the tailless gene
Article Abstract:
Research studies of mice show that the tailless gene is not vital for prenatal survival but the limbic and rhinencephalic structures of adult mutant mice are reduced, including the dentate gyrus, amygdala, entorhinal and infrarhinal cortex and olfactory. The tailless gene encodes ligand-activated nuclear receptor transcription factors. Female mice without a functional tailless protein lack expected maternal instrincts and both females and males are unusually aggressive.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1997
User Contributions:
Comment about this article or add new information about this topic:
- Abstracts: Dust from beyond the solar system. Ancient cosmic spherules. Shaken on impact
- Abstracts: Gene therapy in perspective. Hiding messages in DNA microdots
- Abstracts: An X-ray superflare from an infrared protostar. Panspermia, spores and the Bacillus subtilis genome
- Abstracts: Seeing only the right half of the forest but cutting down all the trees? Determining cortical landscapes
- Abstracts: Seeing movement in the dark. Antisaccade performance predicted by neuronal activity in the supplementary eye field