Developmental Patterning by Mechanical Signals in Arabidopsis

被引：713

作者：

Hamant, Olivier ^{[5
,6
]}

Heisler, Marcus G. ^{[1
]}

Jonsson, Henrik ^{[2
]}

Krupinski, Pawel ^{[2
]}

Uyttewaal, Magalie ^{[5
,6
]}

Bokov, Plamen ^{[3
,4
]}

Corson, Francis ^{[3
]}

Sahlin, Patrik ^{[2
]}

Boudaoud, Arezki ^{[3
]}

Meyerowitz, Elliot M. ^{[1
]}

Couder, Yves ^{[4
]}

Traas, Jan ^{[5
,6
]}

机构：

[1] CALTECH, Div Biol, Pasadena, CA 91125 USA

[2] Lund Univ, Computat Biol & Biol Phys Grp, Dept Theoret Phys, S-22100 Lund, Sweden

[3] Ecole Normale Super, Phys Stat Lab, F-75231 Paris 05, France

[4] Univ Paris Diderot, F-75025 Paris 13, France

[5] INRA, Lab Reprod & Dev Plantes, F-69364 Lyon 07, France

[6] Univ Lyon 1, CNRS, ENS, F-69364 Lyon 07, France

来源：

SCIENCE | 2008年 / 322卷 / 5908期

基金：

瑞典研究理事会;

关键词：

D O I：

10.1126/science.1165594

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

A central question in developmental biology is whether and how mechanical forces serve as cues for cellular behavior and thereby regulate morphogenesis. We found that morphogenesis at the Arabidopsis shoot apex depends on the microtubule cytoskeleton, which in turn is regulated by mechanical stress. A combination of experiments and modeling shows that a feedback loop encompassing tissue morphology, stress patterns, and microtubule- mediated cellular properties is sufficient to account for the coordinated patterns of microtubule arrays observed in epidermal cells, as well as for patterns of apical morphogenesis.

引用

页码：1650 / 1655

页数：6

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