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FEBS Lett. 1997 Dec 29;420(2-3):161-6.

Identification of Myo3, a second type-II myosin heavy chain in the fission yeast Schizosaccharomyces pombe.

Author information

1
Department of Life Sciences, Graduate School of Arts and Sciences, University of Tokyo, Japan.

Abstract

We cloned the myo3+ gene of Schizosaccharomyces pombe which encodes a type-II myosin heavy chain. myo3 null cells showed a defect in cytokinesis under certain conditions. Overproduction of Myo3 also showed a defect in cytokinesis. Double mutant analysis indicated that Myo3 genetically interacts with Cdc8 tropomyosin and actin. Myo3 may be implicated in cytokinesis and stabilization of F-actin cables. Moreover, the function of Myo2 can be replaced by overexpressed Myo3. We observed a modest synthetic interaction between Myo2 and Myo3. Thus, Myo2 and Myo3 seem to cooperate in the formation of the F-actin ring in S. pombe.

PMID:
9459302
DOI:
10.1016/s0014-5793(97)01510-x
[Indexed for MEDLINE]
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