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

Ying Gu, Nick Kaplinsky, Martin Bringmann, Alex Cobb, Andrew Carroll, Arun Sampathkumar, Tobias I. Baskin, Staffan Persson, Chris R. Somerville

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207 Citationer (Scopus)

Abstract

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.

OriginalsprogEngelsk
TidsskriftProceedings of the National Academy of Sciences of the United States of America
Vol/bind107
Udgave nummer29
Sider (fra-til)12866-12871
Antal sider6
ISSN0027-8424
DOI
StatusUdgivet - 2010
Udgivet eksterntJa

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