Molecular mechanism of adventitious root formation in rice

被引:0
作者
Zhi-Guo E
Lei Ge
Lei Wang
机构
[1] China National Rice Research Institute,
[2] State Key Laboratory of Rice Biology,undefined
来源
Plant Growth Regulation | 2012年 / 68卷
关键词
Rice; Adventitious root; Hormone; Genesis and development;
D O I
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中图分类号
学科分类号
摘要
Adventitious roots account for the majority of the rice root system and play an irreplaceable role in rice growth and development. Rice adventitious roots are formed by division of the innermost ground meristem cells in the central cylinder, and some lateral roots are observable in the adventitious root system. Multiple hormones have been implicated in the regulation of root development. Auxin is involved in the initiation of adventitious roots, whereas cytokinin inhibits adventitious root initiation, but promotes adventitious root elongation. Other phytohormones such as nitric oxide, ethylene, brassinosteroid, jasmonic acid and gibberellin may be also involved in regulating adventitious root initiation and development. Additionally, more than 600 root development related quantitative trait loci (QTLs) have been located by QTL analysis of root traits.
引用
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页码:325 / 331
页数:6
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