绒毛白蜡耐盐碱响应机制的研究进展

doi:10.11924/j.issn.1000-6850.casb2020-0861

摘要/Abstract

摘要：

文章主要叙述了盐碱胁迫对绒毛白蜡种子萌发、形态及生长、光合速率、叶绿素含量和细胞膜透性的影响,阐述了绒毛白蜡在盐胁迫下产生的表型上的适应性、渗透调节物质的合成、离子的转运和区域化、保护酶的生成等形态和生理响应机制,概述了绒毛白蜡耐盐碱分子响应机制的研究进展,包括差异基因表达和关键基因分析以及表观遗传调控机制。研究认为,应加强对绒毛白蜡在盐碱胁迫、干旱胁迫等多种胁迫共同发生时响应机制的研究,为更好地筛选和培育耐盐碱乔木树种提供实验依据。

关键词: 绒毛白蜡, 盐碱胁迫, 生理响应机制, 分子响应机制, 耐盐碱基因, 研究进展

Abstract:

In this paper, the effects of salt-alkali stress on seed germination, morphology and growth, photosynthetic rate, chlorophyll content and cell membrane permeability of Fraxinus velutina were reviewed. Its salt stress-responding morphological and physiological mechanisms including phenotypic adaptability, synthesis of osmotic adjustment substances, ion transport and regionalization, and production of protective enzymes were concluded. The research progress of molecular response mechanism of salt tolerance of F. velutina was summarized, including differential gene expression, key gene analysis and epigenetic regulation mechanism. To provide a basis for better selection and cultivation of saline alkali tolerant tree species, the elaboration on response mechanism of F. velutina under salt alkali stress, drought stress and other stresses should be strengthened.

Key words: Fraxinus velutina, salt-alkali stress, physiological response mechanism, molecular response mechanism, salt-tolerant genes, research progress

中图分类号:

S792.41

范馨月, 张华, 赵继业, 杜子沫, 丛日晨. 绒毛白蜡耐盐碱响应机制的研究进展[J]. 中国农学通报, 2021, 37(28): 28-34.

Fan Xinyue, Zhang Hua, Zhao Jiye, Du Zimo, Cong Richen. Research Progress on Mechanism of Fraxinus velutina Responding to Salt Tolerance[J]. Chinese Agricultural Science Bulletin, 2021, 37(28): 28-34.

图/表 3

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