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逆境诱导开花调控机理的研究进展 被引量：1

Research Advances in Molecular Mechanism of Stress-induced Flowering
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摘要 表观遗传修饰可以影响植物生长和发育的多个方面,是植物响应环境和发育调控的重要方式。开花同样受到环境和发育的调控,保证植物在逆境条件下也能完成生命周期。笔者简述了植物在非生物胁迫（例如寒冷、干旱和高盐等）条件下的表观遗传变化,及其开花调控的最新研究进展。这些表观遗传修饰主要包括DNA甲基化和组蛋白修饰,在植物的生长发育过程中,开花的表观遗传修饰与逆境响应的表观遗传修饰之间存在重要的联系,植物可能通过相同的表观遗传因子或途径同时调控开花和逆境响应。 Flowering is controlled by a set of genes that are affected by environmental conditions through an alteration in their expression pattern.This ensures the production of flowers even when plants are growing under adverse conditions.In this review recent findings on the epigenetic changes associated with flowering in Arabidopsis thaliana grown under abiotic stress conditions such as cold,drought,and high salinity were discussed.These epigenetic modifications included DNA methylation and histone modifications.It was shown that there was a crucial relationship between the epigenetic modifications associated with floral initiation and development and modifications associated with stress tolerance.This relationship was demonstrated by the common epigenetic pathways through which plants control both flowering and stress tolerance.
作者 祁亚卓
机构地区 农业部农业机械试验鉴定总站
出处 《中国农学通报》 CSCD 2012年第34期148-153,共6页 Chinese Agricultural Science Bulletin
关键词 开花 逆境 表观遗传 flowering stress epigenetics
分类号 Q75 [生物学—分子生物学]
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参考文献24

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共引文献372

同被引文献21

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  • 2Ausin I., Alonso B.C., Jarillo J.A., Ruiz-Garcia L., and Martinez-Zapater J.M., 2004, Regulation of flowering time by FVE, a retinoblastoma-associated protein, Nature Genetics, 36(2): 162-166.
  • 3Baek I.S., Park H.Y., You M.K., Lee J.H., and Kim LK., 2008, Func- tional conservation and divergence of FVE genes that control flowering time and cold response in rice and Arabidopsis, Mol. Cells, 26(4): 368-372.
  • 4Blazquez M.A., Ahn J.H., and Weigel D., 2003, A thermosensory pathway controlling flowering time in Arabidopsis tholicu-a, Nat. Genet., 33(2): 168-171.
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  • 8Domagalska M.A., Schomburg F.M., Amasino R.M., Vierstra R.D., Nagy F., and Davis S.J., 2007, Attenuation of brassinosteroid signaling enhances FLC expression and delays flowering, Development, 134(15): 2841-2850.
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中国农学通报
2012年 第34期

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