The origin and function of calmodulin regulated Ca2+ pumps in plants

被引：41

作者：

Boursiac, Yann ^{[1
]}

Harper, Jeffrey F. ^{[1
]}

机构：

[1] Univ Nevada, Biochem Dept MS200, Reno, NV 89557 USA

来源：

JOURNAL OF BIOENERGETICS AND BIOMEMBRANES | 2007年 / 39卷 / 5-6期

关键词：

P-type ATPase; calcium; calmodulin; Pollen; tip growth;

D O I：

10.1007/s10863-007-9104-z

中图分类号：

Q6 [生物物理学];

学科分类号：

071011 ;

摘要：

While Ca2+ signaling plays an important role in both plants and animals, the machinery that codes and decodes these signals have evolved to show interesting differences and similarities. For example, typical plant and animal cells both utilize calmodulin (CaM)-regulated Ca2+ pumps at the plasma membrane to help control cytoplasmic Ca2+ levels. However, in flowering plants this family of pumps has evolved with a unique structural arrangement in which the regulatory domain is located at the N-terminal instead of C-terminal end. In addition, some of the plant isoforms have evolved to function at endomembrane locations. For the 14 Ca2+ pumps present in the model plant Arabidopsis, molecular genetic analyses are providing exciting insights into their function in diverse aspects of plant growth and development.

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收藏

页码：409 / 414

页数：6

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