Defective Kinesin Heavy Chain Behavior in Mouse Kinesin Light Chain Mutants

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Defective Kinesin Heavy Chain Behavior in Mouse Kinesin Light Chain Mutants

Conventional kinesin, kinesin-I, is a heterotetramer of two kinesin heavy chain (KHC) subunits (KIF5A, KIF5B, or KIF5C) and two kinesin light chain (KLC) subunits. While KHC contains the motor activity, the role of KLC remains unknown. It has been suggested that KLC is involved in either modulation of KHC activity or in cargo binding. Previously, we characterized KLC genes in mouse (Rahman, A.,...

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Kinesin light chain-independent function of the Kinesin heavy chain

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Kinesin light chain-independent function of the Kinesin heavy chain in cytoplasmic streaming and posterior localisation in the Drosophila oocyte.

Microtubules and the Kinesin heavy chain, the force-generating component of the plus end-directed microtubule motor Kinesin I are required for the localisation of oskar mRNA to the posterior pole of the Drosophila oocyte, an essential step in the determination of the anteroposterior axis. We show that the Kinesin heavy chain is also required for the posterior localisation of Dynein, and for all...

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Axonal transport of mitochondria requires milton to recruit kinesin heavy chain and is light chain independent

Mitochondria are distributed within cells to match local energy demands. We report that the microtubule-dependent transport of mitochondria depends on the ability of milton to act as an adaptor protein that can recruit the heavy chain of conventional kinesin-1 (kinesin heavy chain [KHC]) to mitochondria. Biochemical and genetic evidence demonstrate that kinesin recruitment and mitochondrial tra...

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ژورنال

عنوان ژورنال: Journal of Cell Biology

سال: 1999

ISSN: 0021-9525,1540-8140

DOI: 10.1083/jcb.146.6.1277