DYNAMIC MICROTUBULES AND THE TEXTURE OF PLANT CELL WALLS

被引:72
作者
Lloyd, Clive [1 ]
机构
[1] John Innes Ctr, Dept Cell & Dev Biol, Norwich, Norfolk, England
来源
INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY, VOL 287 | 2011年 / 287卷
基金
英国生物技术与生命科学研究理事会;
关键词
Microtubule dynamics; Microtubule rotation; Plant cell-wall texture; Multinet-growth hypothesis; Cellulose synthases; OUTER EPIDERMAL WALL; CORTICAL MICROTUBULES; CELLULOSE MICROFIBRILS; HELICAL GROWTH; GAMMA-TUBULIN; ARABIDOPSIS-HYPOCOTYL; INDUCED REORIENTATION; ANISOTROPIC GROWTH; MAIZE COLEOPTILES; MULTINET GROWTH;
D O I
10.1016/B978-0-12-386043-9.00007-4
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The relationship between microtubules and cell-wall texture has had a fitful history in which progress in one area has not been matched by progress in the other. For example, the idea that wall texture arises entirely from self-assembly, independently of microtubules, originated with electron microscopic analyses of fixed cells that gave no clue to the ability of microtubules to reorganize. Since then, live-cell studies have established the surprising dynamicity of plant microtubules involving collisions, changes in angle, parallelization, and rotation of microtubule tracks. Combined with proof that cellulose synthases do track along shifting microtubules, this offers more realistic models for the dynamic influence of microtubules on wall texture than could have been imagined in the electron microscopic era the era from which most ideas on wall texture originate. This review revisits the classical literature on wall organization from the vantage point of current knowledge of microtubule dynamics.
引用
收藏
页码:287 / 329
页数:43
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