Myosins from plants

被引：20

作者：

Yamamoto, K ^{[1
]}

Hamada, S ^{[1
]}

Kashiyama, T ^{[1
]}

机构：

[1] Chiba Univ, Fac Sci, Dept Biol, Inage Ku, Chiba 263, Japan

来源：

CELLULAR AND MOLECULAR LIFE SCIENCES | 1999年 / 56卷 / 3-4期

关键词：

plant; myosin; myosin family; unconventional myosin; motor protein; cytoplasmic streaming; sliding velocity;

D O I：

10.1007/s000180050424

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Molecular cloning and sequence analysis of myosin genes from Arabidopsis thaliana and electron microscopic observation of a myosin from characean alga have revealed that overall structure of plant unconventional myosins is similar to that of the class V myosins. These plant unconventional myosins have two heads, a coiled-coil tail of varied length and a globular tail piece at the end. The tail piece is probably:a:site for membrane interaction. Characean myosin is of special interest because it can translocate actin filaments at a velocity several times faster than muscle myosin, which must have evolved to support the quick movement of animals in the struggle for their lives.

引用

页码：227 / 232

页数：6

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