Metazoan motor models: kinesin superfamily in C. elegans.
In eukaryotic cells members of the kinesin family mediate intracellular transport by carrying cellular cargo on microtubule tracks. The nematode Caenorhabditis elegans genome encodes 21 members of the kinesin family, which show significant homology to their mammalian orthologs. Based on motor domain sequence homology and placement of the motor domain in the protein, the C. elegans kinesins have been placed in eight distinct groups; members of which participate in embryonic development, protein transport, synaptic membrane vesicles movement and in the axonal growth. Among 21 kinesins, at least 11 play a central role in spindle movement and chromosomal segregation. Understanding the function of C. elegans kinesins and related proteins may help navigate through the intricacies of intracellular traffic in a simple animal.[1]References
- Metazoan motor models: kinesin superfamily in C. elegans. Siddiqui, S.S. Traffic (2002) [Pubmed]
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