Molecular Mechanisms of Plant Regeneration

被引：300

作者：

Ikeuchi, Momoko ^{[1
]}

Favero, David S. ^{[1
]}

Sakamoto, Yuki ^{[1
,2
]}

Iwase, Akira ^{[1
]}

Coleman, Duncan ^{[1
,2
]}

Rymen, Bart ^{[1
]}

Sugimoto, Keiko ^{[1
,2
]}

机构：

[1] RIKEN Ctr Sustainable Resource Sci, Yokohama, Kanagawa 2300045, Japan

[2] Univ Tokyo, Dept Biol Sci, Tokyo 1190033, Japan

来源：

ANNUAL REVIEW OF PLANT BIOLOGY, VOL 70 | 2019年 / 70卷

基金：

日本学术振兴会;

关键词：

cellular reprogramming; cell proliferation; cell dedifferentiation; epigenetic regulation; plant hormones; wound stress; NOVO ROOT ORGANOGENESIS; CELL-CYCLE REACTIVATION; SHOOT REGENERATION; TRANSCRIPTION FACTOR; CALLUS FORMATION; SOMATIC EMBRYOGENESIS; PATTERN-FORMATION; LEAFY COTYLEDON1; FATE TRANSITION; GENE-EXPRESSION;

D O I：

10.1146/annurev-arplant-050718-100434

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Plants reprogram somatic cells following injury and regenerate new tissues and organs. Upon perception of inductive cues, somatic cells often dedifferentiate, proliferate, and acquire new fates to repair damaged tissues or develop new organs from wound sites. Wound stress activates transcriptional cascades to promote cell fate reprogramming and initiate new developmental programs. Wounding also modulates endogenous hormonal responses by triggering their biosynthesis and/or directional transport. Auxin and cytokinin play pivotal roles in determining cell fates in regenerating tissues and organs. Exogenous application of these plant hormones enhances regenerative responses in vitro by facilitating the activation of specific developmental programs. Many reprogramming regulators are epigenetically silenced during normal development but are activated by wound stress and/or hormonal cues.

引用

页码：377 / 406

页数：30

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