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Eur J Biochem. 1998 Nov 1;257(3):529-37.

Identification of an essential gene encoding a class-V unconventional myosin in Drosophila melanogaster.

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Department of Biology, Eberly College of Science, Pennsylvania State University, USA.


Class-V myosins are a unique type of myosin motor with roles in intracellular transport. The mouse dilute gene was the first member of this class to be cloned, with mutations resulting in lightening of the coat colour or neurogenic defects leading to early death. Further examples of class-V myosins have been described in yeast, chicken and rat. Here, we report the cloning of the first class-V myosin from Drosophila. We show that expression of this myosin is predominantly in the adult germ line and early embryo and that the transcript is localised in the oocyte during oogenesis. Genetic and in situ hybridisation experiments have determined that this gene is located in the 43C region. We have evidence that it maps to a mutation in this region with an embryonic lethal phenotype.

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