| Autor: |
Rancura, Kátia Gisele Oliveira, Montaño, Michelli Rivero, Carvalho, Robson Francisco, Martins, Cesar, Wasko, Adriane Pinto, Casaletti, Luciana, Azevedo, Alexandre |
| Předmět: |
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| Zdroj: |
Acta Zoologica; Jan2008, Vol. 89 Issue 1, p29-36, 8p, 1 Black and White Photograph, 2 Diagrams |
| Abstrakt: |
This study presents data on myosin Va localization in the central nervous system of rainbow trout. We demonstrate, via immunoblots and immunocytochemistry, the expression of myosin Va in several neuronal populations of forebrain, midbrain, hindbrain and spinal cord. The neuronal populations that express myosin Va in trout constitute a very diverse group that do not seem to have many specific similarities such as neurotransmitters used, cellular size or length of their processes. The intensity of the immunoreactivity and the number of immunoreactive cells differ from region to region. Although there is a broad distribution of myosin Va, it is not present in all neuronal populations. This result is in agreement with a previous report, which indicated that myosin Va is approximately as abundant as conventional myosin II and kinesin, and it is broadly involved in neuronal motility events such as axoplasmatic transport. Furthermore, this distribution pattern is in accordance with what was shown in rats and mice; it indicates phylogenetic maintenance of the myosin Va main functions. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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