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PMID: 20616083 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S.

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

Proceedings of the National Academy of Sciences of the United States of America ·Vol. 107 ·No. 29 ·2010-07-20 ·Pages 12866-71

Gu Y, Kaplinsky N, Bringmann M, Cobb A, Carroll A, Sampathkumar A, Baskin TI, Persson S, Somerville CR

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.

MeSH Terms
Arabidopsis/cytology,metabolism Arabidopsis Proteins/chemistry,metabolism Carrier Proteins/chemistry,metabolism Cell Proliferation Cellulose/biosynthesis Glucosyltransferases/metabolism Hypocotyl/growth & development Microfibrils/metabolism Mutation/genetics Protein Transport Recombinant Fusion Proteins/metabolism Repetitive Sequences, Amino Acid
Chemicals
Arabidopsis Proteins CSI1 protein, Arabidopsis Carrier Proteins Recombinant Fusion Proteins Cellulose Glucosyltransferases cellulose synthase
Authors & Affiliations
9 authors, click to expand affiliations / ORCID
Gu Ying
Energy Biosciences Institute, University of California, Berkeley, CA 94720, USA.
Kaplinsky Nick
Bringmann Martin
Cobb Alex
Carroll Andrew
Sampathkumar Arun
Baskin Tobias I
Persson Staffan
Somerville Chris R
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Article Info
Journal
Proceedings of the National Academy of Sciences of the United States of America
Abbr.
Proc Natl Acad Sci U S A
ISSN
1091-6490
DOI
10.1073/pnas.1007092107
Published
2010-07-20
Epub
2010-00-01
Pages
12866-71
Language
English
Region
United States
NLM ID
7505876
PMCID
PMC2919928
Subset
IM
External Links
PubMed source DOI: 10.1073/pnas.1007092107 PMC Full Text View journal details
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