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The Arabidopsis kinesin gene AtKin-1 plays a role in the nuclear division process during megagametogenesis
Wang, Haiqing ; Liu, Ruijuan ; Wang, Jianwu ; Wang, Pei ; Shen, Yuhu ; Liu, Guoqin
2014-05-01
发表期刊PLANT CELL REPORTS ; Wang, HQ; Liu, RJ; Wang, JW; Wang, P; Shen, YH; Liu, GQ.The Arabidopsis kinesin gene AtKin-1 plays a role in the nuclear division process during megagametogenesis,PLANT CELL REPORTS,2014,33(5):819
摘要Atkin - 1 , the only Kinesin-1 member of Arabidopsis thaliana , plays a role during female gametogenesis through regulation of nuclear division cycles. Kinesins are microtubule-dependent motor proteins found in eukaryotic organisms. They constitute a superfamily that can be further classified into at least 14 families. In the Kinesin-1 family, members from animal and fungi play roles in long-distance transport of organelles and vesicles. Although Kinesin-1-like sequences have been identified in higher plants, little is known about their function in plant cells, other than in a recently identified Kinesin-1-like protein in a rice pollen semi-sterile mutant. In this study, the gene encoding the only Kinesin-1 member in Arabidopsis, AtKin-1 was found to be specifically expressed in ovules and anthers. AtKin-1 loss-of-function mutants showed substantially aborted ovules in siliques, and this finding was supported by complementation testing. Reciprocal crossing between mutant and wild-type plants indicated that a defect in AtKin-1 results in partially aborted megagametophytes, with no observable effects on pollen fertility. Further observation of ovule development in the mutant pistils indicated that the enlargement of the megaspore was blocked and nuclear division arrested at the one-nucleate stage during embryo sac formation. Our data suggest that AtKin-1 plays a role in the nuclear division cycles during megagametogenesis.; Atkin - 1 , the only Kinesin-1 member of Arabidopsis thaliana , plays a role during female gametogenesis through regulation of nuclear division cycles.
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/22101
专题中国科学院西北高原生物研究所
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GB/T 7714
Wang, Haiqing,Liu, Ruijuan,Wang, Jianwu,et al. The Arabidopsis kinesin gene AtKin-1 plays a role in the nuclear division process during megagametogenesis[J]. PLANT CELL REPORTS, Wang, HQ; Liu, RJ; Wang, JW; Wang, P; Shen, YH; Liu, GQ.The Arabidopsis kinesin gene AtKin-1 plays a role in the nuclear division process during megagametogenesis,PLANT CELL REPORTS,2014,33(5):819,2014.
APA Wang, Haiqing,Liu, Ruijuan,Wang, Jianwu,Wang, Pei,Shen, Yuhu,&Liu, Guoqin.(2014).The Arabidopsis kinesin gene AtKin-1 plays a role in the nuclear division process during megagametogenesis.PLANT CELL REPORTS.
MLA Wang, Haiqing,et al."The Arabidopsis kinesin gene AtKin-1 plays a role in the nuclear division process during megagametogenesis".PLANT CELL REPORTS (2014).
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