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Molecular and Cellular Biology, August 2001, p. 5306-5311, Vol. 21, No. 16
Howard Hughes Medical Institute, Department
of Cellular and Molecular Medicine, University of California San
Diego, La Jolla, California 92093
Received 26 February 2001/Returned for modification 16 April
2001/Accepted 30 May 2001
Members of the kinesin II family are thought to play essential
roles in many types of intracellular transport. One distinguishing feature of kinesin II is that it generally contains two different motor
subunits from the Kif3 family. Three Kif3 family members (Kif3A, Kif3B,
and Kif3C) have been identified and characterized in mice.
Intracellular localization and biochemical studies previously suggested
that Kif3C is an anterograde motor involved in anterograde axonal transport. To understand the in vivo function of the Kif3C gene,
we used homologous recombination in embryonic stem cells to
construct two different knockout mouse strains for the Kif3C gene. Both homozygous Kif3C mutants are viable, reproduce
normally, and apparently develop normally. These results suggest
that Kif3C is dispensable for normal neural development and behavior in
the mouse.
0270-7306/01/$04.00+0 DOI: 10.1128/MCB.21.16.5306-5311.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
Functional Analysis of Mouse Kinesin Motor
Kif3C

*
Corresponding author. Mailing address: HHMI/CMM Room
336, University of California San Diego, 9500 Gilman Dr., La Jolla, CA 92093-0683. Phone: (858) 534-9702. Fax: (858) 534-9701. E-mail: lgoldstein{at}ucsd.edu.
Present address: Aviva Biosciences, San Diego, CA 92121.
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