The development of crustacean limbs and the evolution of arthropods - PubMed (original) (raw)
The development of crustacean limbs and the evolution of arthropods
G Panganiban et al. Science. 1995.
Abstract
Arthropods exhibit great diversity in the position, number, morphology, and function of their limbs. The evolutionary relations among limb types and among the arthropod groups that bear them (insects, crustaceans, myriapods, and chelicerates) are controversial. Here, the use of molecular probes, including an antibody to proteins encoded by arthropod and vertebrate Distal-less (Dll and Dlx) genes, provided evidence that common genetic mechanisms underlie the development of all arthropod limbs and their branches and that all arthropods derive from a common ancestor. However, differences between crustacean and insect body plans were found to correlate with differences in the deployment of particular homeotic genes and in the ways that these genes regulate limb development.
Comment in
- Limb development. Gene ties arthropods together.
Roush W. Roush W. Science. 1995 Nov 24;270(5240):1297. doi: 10.1126/science.270.5240.1297a. Science. 1995. PMID: 7481814 No abstract available.
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