Gene Symbol: CSI1
Description: binding protein
Alias: POM-POM 2, POM2, T16B14.2, cellulose synthase-interactive protein 1, binding protein
Species: thale cress
Products:     CSI1

Top Publications

  1. Bringmann M, Li E, Sampathkumar A, Kocábek T, Hauser M, Persson S. POM-POM2/cellulose synthase interacting1 is essential for the functional association of cellulose synthase and microtubules in Arabidopsis. Plant Cell. 2012;24:163-77 pubmed publisher
    ..We show that the conditional root elongation pom2 mutants are impaired in cell elongation, fertility, and microtubule-related functions...
  2. Endler A, Schneider R, Kesten C, Lampugnani E, Persson S. The cellulose synthase companion proteins act non-redundantly with CELLULOSE SYNTHASE INTERACTING1/POM2 and CELLULOSE SYNTHASE 6. Plant Signal Behav. 2016;11:e1135281 pubmed publisher
    ..in elongating cells of Arabidopsis through the activity of the protein CELLULOSE SYNTHASE INTERACTING1 (CSI1)...
  3. Lei L, Li S, Gu Y. Cellulose synthase interactive protein 1 (CSI1) mediates the intimate relationship between cellulose microfibrils and cortical microtubules. Plant Signal Behav. 2012;7:714-8 pubmed publisher
    ..The mechanism behind the alignment hypothesis is largely unknown. CESA interactive protein 1 (CSI1) interacts with CSCs and potentially links CSCs to the cytoskeleton...
  4. Landrein B, Lathe R, Bringmann M, Vouillot C, Ivakov A, Boudaoud A, et al. Impaired cellulose synthase guidance leads to stem torsion and twists phyllotactic patterns in Arabidopsis. Curr Biol. 2013;23:895-900 pubmed publisher
    ..The CESA interactive protein 1 (CSI1) acts as a physical linker between CESA and cortical microtubules...
  5. Lei L, Singh A, Bashline L, Li S, Yingling Y, Gu Y. CELLULOSE SYNTHASE INTERACTIVE1 Is Required for Fast Recycling of Cellulose Synthase Complexes to the Plasma Membrane in Arabidopsis. Plant Cell. 2015;27:2926-40 pubmed publisher
    ..This SmaCC/MASC-mediated fast recovery of CSCs is dependent on CELLULOSE SYNTHASE INTERACTIVE1 (CSI1), a protein previously known to represent the link between CSCs and cortical microtubules...
  6. Zhang S, Sun L, Dong X, Lu S, Tian W, Liu J. Cellulose synthesis genes CESA6 and CSI1 are important for salt stress tolerance in Arabidopsis. J Integr Plant Biol. 2016;58:623-6 pubmed publisher
    ..SHE1 encodes a cellulose synthase CESA6 while SHE2 encodes a cellulose synthase-interactive protein CSI1. Both of them are involved in cellulose deposition...
  7. Gu Y, Somerville C. Cellulose synthase interacting protein: a new factor in cellulose synthesis. Plant Signal Behav. 2010;5:1571-4 pubmed
    ..b>CSI1, which encodes CESA interacting protein 1 (CSI1) in Arabidopsis...
  8. Li S, Lei L, Somerville C, Gu Y. Cellulose synthase interactive protein 1 (CSI1) links microtubules and cellulose synthase complexes. Proc Natl Acad Sci U S A. 2012;109:185-90 pubmed publisher
    ..Here we report that CESA interactive protein 1 (CSI1) is a microtubule-associated protein that bridges CESA complexes and cortical microtubules...
  9. Lei L, Li S, Du J, Bashline L, Gu Y. Cellulose synthase INTERACTIVE3 regulates cellulose biosynthesis in both a microtubule-dependent and microtubule-independent manner in Arabidopsis. Plant Cell. 2013;25:4912-23 pubmed publisher
    ..Cellulose synthase interactive1 (CSI1) is a key scaffold protein that guides primary cellulose synthase complexes (CSCs) along cortical microtubules ..

More Information


  1. Mei Y, Gao H, Yuan M, Xue H. The Arabidopsis ARCP protein, CSI1, which is required for microtubule stability, is necessary for root and anther development. Plant Cell. 2012;24:1066-80 pubmed publisher
    ..of an Arabidopsis thaliana ARCP, which was previously identified as Cellulose synthase-interactive protein1 (CSI1), and prove its crucial role in anther and root development...
  2. Worden N, Wilkop T, Esteve V, Jeannotte R, Lathe R, Vernhettes S, et al. CESA TRAFFICKING INHIBITOR inhibits cellulose deposition and interferes with the trafficking of cellulose synthase complexes and their associated proteins KORRIGAN1 and POM2/CELLULOSE SYNTHASE INTERACTIVE PROTEIN1. Plant Physiol. 2015;167:381-93 pubmed publisher
    ..The CSC-associated proteins KORRIGAN1 (KOR1) and POM2/CELLULOSE SYNTHASE INTERACTIVE PROTEIN1 (CSI1) were differentially affected by CESTRIN treatment, indicating ..
  3. Hauser M, Morikami A, Benfey P. Conditional root expansion mutants of Arabidopsis. Development. 1995;121:1237-52 pubmed
    ..Double mutant combinations resulted in loss of the conditional phenotype suggesting that the genes may act in a similar pathway or encode partially redundant functions. ..
  4. Gu Y, Kaplinsky N, Bringmann M, Cobb A, Carroll A, Sampathkumar A, et al. Identification of a cellulose synthase-associated protein required for cellulose biosynthesis. Proc Natl Acad Sci U S A. 2010;107:12866-71 pubmed publisher
    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...