非生物成分
非生物胁迫
程序性细胞死亡
生物
盐度
细胞生物学
生态学
遗传学
基因
细胞凋亡
作者
Fatma Yanık,Aslıhan Çetinbaş-Genç,Filiz Vardar
出处
期刊:Elsevier eBooks
[Elsevier]
日期:2020-01-01
卷期号:: 1-24
被引量:9
标识
DOI:10.1016/b978-0-12-818204-8.00015-1
摘要
All organisms should cope with numerous environmental stress factors during their life span by activating their endogenous defensive strategies. In the course of evolution, due to immobile nature of plants, they have developed adaptive processes to some extent to stress conditions. Plants face both biotic (bacteria, fungi, and virus attack) and abiotic (extreme temperatures, drought, flooding, high salinity, pesticides, heavy metals, excessive light, and ultraviolet radiation) stresses at various stages of their development. Recently, it has come forward that plant cells can no longer maintain homeostasis according to the failure of metabolic pathway upon a certain threshold of stress factors, and they initiate self-defense program that is aimed at the selective death of the cells. Such selective programmed cell death ultimately provides survival benefits for the whole plant under stressful conditions.
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