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Revisiting the Basal Role of ABA – Roles Outside of Stress

重温ABA的基本作用——无压力条件下的作用

关键词:
来源:
Trends in Plant Science
类型:
学术文献
语种:
英语
原文发布日期:
2019-07-05
摘要:
Structural and biological evidence suggests that ABA receptor complexes operate at basal, nonstress ABA levels.Basal ABA balances primary metabolism and leaf growth in arabidopsis.Low levels of ABA play opposite roles in different tissues, inhibitory effects on leaf emergence, and promotion of root growth.Basal ABA levels support plant growth and development via a beneficial effect on plants’ water status, which comprises proper adjustment of stomatal aperture, stimulation of tissue hydraulic conductivity, and a positive regulatory role in xylem development.
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