Cellulose synthase interactive1 Is required for fast recycling of cellulose synthase complexes to the plasma membrane in arabidopsis

Lei Lei, Abhishek Singh, Logan Bashline, Shundai Li, Yaroslava G. Yingling, Ying Gua

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Plants are constantly subjected to various biotic and abiotic stresses and have evolved complex strategies to cope with these stresses. For example, plant cells endocytose plasma membrane material under stress and subsequently recycle it back when the stress conditions are relieved. Cellulose biosynthesis is a tightly regulated process that is performed by plasma membrane-localized cellulose synthase (CESA) complexes (CSCs). However, the regulatory mechanism of cellulose biosynthesis under abiotic stress has not been well explored. In this study, we show that small CESA compartments (SmaCCs) or microtubule-associated cellulose synthase compartments (MASCs) are critical for fast recovery of CSCs to the plasma membrane after stress is relieved in Arabidopsis thaliana. 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. Independently, AP2M, a core component in clathrin-mediated endocytosis, plays a role in the formation of SmaCCs/MASCs. Together, our study establishes a model in which CSI1-dependent SmaCCs/MASCs are formed through a process that involves endocytosis, which represents an important mechanism for plants to quickly regulate cellulose synthesis under abiotic stress.

Original languageEnglish (US)
Pages (from-to)2926-2940
Number of pages15
JournalPlant Cell
Volume27
Issue number10
DOIs
StatePublished - Oct 1 2015

Fingerprint

cellulose synthase
Recycling
Arabidopsis
recycling
plasma membrane
Cell Membrane
Microtubules
microtubules
endocytosis
Endocytosis
Cellulose
abiotic stress
cellulose
biosynthesis
clathrin
Clathrin
Plant Cells
biotic stress
Arabidopsis thaliana
synthesis

All Science Journal Classification (ASJC) codes

  • Plant Science
  • Cell Biology

Cite this

Lei, Lei ; Singh, Abhishek ; Bashline, Logan ; Li, Shundai ; Yingling, Yaroslava G. ; Gua, Ying. / Cellulose synthase interactive1 Is required for fast recycling of cellulose synthase complexes to the plasma membrane in arabidopsis. In: Plant Cell. 2015 ; Vol. 27, No. 10. pp. 2926-2940.
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Cellulose synthase interactive1 Is required for fast recycling of cellulose synthase complexes to the plasma membrane in arabidopsis. / Lei, Lei; Singh, Abhishek; Bashline, Logan; Li, Shundai; Yingling, Yaroslava G.; Gua, Ying.

In: Plant Cell, Vol. 27, No. 10, 01.10.2015, p. 2926-2940.

Research output: Contribution to journalArticle

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