Importin α: functions as a nuclear transport factor and beyond

被引:95
作者
Oka, Masahiro [1 ]
Yoneda, Yoshihiro [1 ]
机构
[1] Natl Inst Biomed Innovat Hlth & Nutr NIBIOHN, 7-6-8 Saito Asagi, Ibaraki, Osaka 5670085, Japan
来源
PROCEEDINGS OF THE JAPAN ACADEMY SERIES B-PHYSICAL AND BIOLOGICAL SCIENCES | 2018年 / 94卷 / 07期
关键词
nuclear transport; nuclear localization signal; small GTPase Ran; nuclear pore-targeting complex; importin alpha; importin beta; PORE-TARGETING COMPLEX; YEAST SCHIZOSACCHAROMYCES-POMBE; LARGE T-ANTIGEN; PROTEIN IMPORT; LOCALIZATION SIGNAL; KARYOPHERIN-ALPHA; NUCLEOCYTOPLASMIC TRANSPORT; SYNTHETIC PEPTIDES; CELL-PROLIFERATION; LOCATION SEQUENCE;
D O I
10.2183/pjab.94.018
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Nucleocytoplasmic transport is an essential process in eukaryotes. The molecular mechanisms underlying nuclear transport that involve the nuclear transport receptor, small GTPase Ran, and the nuclear pore complex are highly conserved from yeast to humans. On the other hand, it has become clear that the nuclear transport system diverged during evolution to achieve various physiological functions in multicellular eukaryotes. In this review, we first summarize the molecular mechanisms of nuclear transport and how these were elucidated. Then, we focus on the diverse functions of importin alpha, which acts not merely an import factor but also as a multi-functional protein contributing to a variety of cellular functions in higher eukaryotes.
引用
收藏
页码:259 / 274
页数:16
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