Identification of a cellulose synthase-associated protein required for cellulose biosynthesis

被引：189

作者：

Gu, Ying ^{[1
]}

Kaplinsky, Nick ^{[2
]}

Bringmann, Martin ^{[3
]}

Cobb, Alex ^{[4
]}

Carroll, Andrew ^{[1
,5
]}

Sampathkumar, Arun ^{[3
]}

Baskin, Tobias I. ^{[4
]}

Persson, Staffan ^{[3
]}

Somerville, Chris R. ^{[1
]}

机构：

[1] Univ Calif Berkeley, Energy Biosci Inst, Berkeley, CA 94720 USA

[2] Swarthmore Coll, Dept Biol, Swarthmore, PA 19081 USA

[3] Max Planck Inst Mol Plant Physiol, D-14476 Potsdam, Germany

[4] Univ Massachusetts, Dept Biol, Amherst, MA 01003 USA

[5] Stanford Univ, Dept Biol, Stanford, CA 94305 USA

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2010年 / 107卷 / 29期

关键词：

cell walls; CESA complexes; cell expansion; microtubules; polysaccharides; C2; DOMAIN; ARABIDOPSIS-THALIANA; PLASMA-MEMBRANE; CELL ELONGATION; HIGHER-PLANTS; VISUALIZATION; COMPLEXES; BINDING; MICROTUBULES; EXPANSION;

D O I：

10.1073/pnas.1007092107

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：

Cellulose synthase-interactive protein 1 (CSI1) was identified in a two-hybrid screen for proteins that interact with cellulose synthase (CESA) isoforms involved in primary plant cell wall synthesis. CSI1 encodes a 2,150-amino acid protein that contains 10 predicted Armadillo repeats and a C2 domain. Mutations in CSI1 cause defective cell elongation in hypocotyls and roots and reduce cellulose content. CSI1 is associated with CESA complexes, and csi1 mutants affect the distribution and movement of CESA complexes in the plasma membrane.

引用

页码：12866 / 12871

页数：6

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