Cold acclimation can induce microtubular cold stability in a manner distinct from abscisic acid

被引：50

作者：

Wang, QY ^{[1
]}

Nick, P ^{[1
]}

机构：

[1] Inst Biol 2, D-79104 Freiburg, Germany

来源：

PLANT AND CELL PHYSIOLOGY | 2001年 / 42卷 / 09期

关键词：

abscisic acid; cold acclimation; immunofluorescence; microtubules; winter wheat (Triticum aestivum L.);

D O I：

10.1093/pcp/pce135

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The response of cortical microtubules to low temperature was investigated for the Chinese winter wheat (Triticum aestivum L.) cultivar Jing Nong 934. Microtubules in the cortex of the root elongation zone disassembled rapidly in response to a cold shock of -7 degreesC and reassembled upon rewarming to 25 degreesC. The microtubules acquired resistance against this cold shock in response to cold acclimation in chilling, but non-freezing, temperature or after a treatment with abscisic acid (ABA). Cold acclimation and ABA differed with respect to the appearance of microtubules: fine, transverse strands were observed after cold acclimation, whereas ABA produced steeply oblique microtubule bundles. The findings are discussed in terms of an ABA-independent pathway for acquired cold stability of microtubules.

引用

页码：999 / 1005

页数：7

共 36 条

[1] Complete disintegration of the microtubular cytoskeleton precedes its auxin-mediated reconstruction in postmitotic maize root cells [J].