Dissecting the molecular mechanism underlying the intimate relationship between cellulose microfibrils and cortical microtubules

Lei Lei, Shundai Li, Logan Bashline, Ying Gu

Research output: Contribution to journalReview article

23 Scopus citations

Abstract

A central question in plant cell development is how the cell wall determines directional cell expansion and therefore the final shape of the cell. As the major load-bearing component of the cell wall, cellulose microfibrils are laid down transversely to the axis of elongation, thus forming a spring-like structure that reinforces the cell laterally and while favoring longitudinal expansion in most growing cells. Mounting evidence suggests that cortical microtubules organize the deposition of cellulose microfibrils, but the precise molecular mechanisms linking microtubules to cellulose organization have remained unclear until the recent discovery of cellulose synthase interactive protein 1, a linker protein between the cortical microtubules and the cellulose biosynthesizing machinery. In this review, we will focus on the intimate relationship between cellulose microfibrils and cortical microtubules, in particular, we will discuss microtubule arrangement and cell wall architecture, the linkage between cellulose synthase complexes and microtubules, and the feedback mechanisms between cell wall and microtubules.

Original languageEnglish (US)
Article number90
JournalFrontiers in Plant Science
Volume5
Issue numberMAR
DOIs
StatePublished - Mar 13 2014

All Science Journal Classification (ASJC) codes

  • Plant Science

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