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Xenopus laevis Kif18A is a highly processive kinesin required for meiotic spindle integrity

Xenopus laevis Kif18A is a highly processive kinesin required for meiotic spindle integrity

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MÖCKEL, Martin M., Andreas HEIM, Thomas TISCHER, Thomas U. MAYER, 2017. Xenopus laevis Kif18A is a highly processive kinesin required for meiotic spindle integrity. In: Biology Open : BiO. 6(4), pp. 463-470. eISSN 2046-6390

@article{Mockel2017-04-15Xenop-38965, title={Xenopus laevis Kif18A is a highly processive kinesin required for meiotic spindle integrity}, year={2017}, doi={10.1242/bio.023952}, number={4}, volume={6}, journal={Biology Open : BiO}, pages={463--470}, author={Möckel, Martin M. and Heim, Andreas and Tischer, Thomas and Mayer, Thomas U.} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/38965"> <dc:creator>Möckel, Martin M.</dc:creator> <dc:creator>Mayer, Thomas U.</dc:creator> <dc:creator>Heim, Andreas</dc:creator> <dc:contributor>Mayer, Thomas U.</dc:contributor> <bibo:uri rdf:resource="https://kops.uni-konstanz.de/handle/123456789/38965"/> <dcterms:title>Xenopus laevis Kif18A is a highly processive kinesin required for meiotic spindle integrity</dcterms:title> <dc:contributor>Heim, Andreas</dc:contributor> <dc:contributor>Möckel, Martin M.</dc:contributor> <dcterms:issued>2017-04-15</dcterms:issued> <dc:creator>Tischer, Thomas</dc:creator> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2017-05-18T09:42:28Z</dc:date> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2017-05-18T09:42:28Z</dcterms:available> <dcterms:rights rdf:resource="http://nbn-resolving.de/urn:nbn:de:bsz:352-20150914100631302-4485392-8"/> <dc:contributor>Tischer, Thomas</dc:contributor> <dc:language>eng</dc:language> <dcterms:abstract xml:lang="eng">The assembly and functionality of the mitotic spindle depends on the coordinated activities of microtubule-associated motor proteins of the dynein and kinesin superfamily. Our current understanding of the function of motor proteins is significantly shaped by studies using Xenopus laevis egg extract as its open structure allows complex experimental manipulations hardly feasible in other model systems. Yet, the Kinesin-8 orthologue of human Kif18A has not been described in Xenopus laevis so far. Here, we report the cloning and characterization of Xenopus laevis (Xl) Kif18A. Xenopus Kif18A is expressed during oocyte maturation and its depletion from meiotic egg extract results in severe spindle defects. These defects can be rescued by wild-type Kif18A, but not Kif18A lacking motor activity or the C-terminus. Single-molecule microscopy assays revealed that Xl_Kif18A possesses high processivity, which depends on an additional C-terminal microtubule-binding site. Human tissue culture cells depleted of endogenous Kif18A display mitotic defects, which can be rescued by wild-type, but not tail-less Xl_Kif18A. Thus, Xl_Kif18A is the functional orthologue of human Kif18A whose activity is essential for the correct function of meiotic spindles in Xenopus oocytes.</dcterms:abstract> </rdf:Description> </rdf:RDF>

Dateiabrufe seit 18.05.2017 (Informationen über die Zugriffsstatistik)

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