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Plant Growth Promotion Under Water: Decrease of Waterlogging-Induced ACC and Ethylene Levels by ACC
1School of Applied Biosciences, College of Agriculture and Life Sciences, Kyungpook National University, Daegu, South Korea.
Frontiers in Microbiology
|June 12, 2018
Summary
Plant growth is boosted by bacteria producing 1-aminocyclopropane-1-carboxylate (ACC) deaminase. This enzyme reduces stress ethylene during waterlogging, improving plant health and development.
Area of Science:
- Microbiology
- Plant Physiology
- Biochemistry
Background:
- Waterlogging induces stress ethylene in plants, hindering growth.
- Plant growth-promoting bacteria possess 1-aminocyclopropane-1-carboxylate (ACC) deaminase.
- ACC deaminase hydrolyzes ACC, the ethylene precursor, reducing stress.
Purpose of the Study:
- To discuss the structure and function of ACC deaminase.
- To review ethylene biosynthesis and plant responses to waterlogging.
- To explore the role and effects of bacterial ACC deaminase in mitigating waterlogging stress.
Main Methods:
- Literature review on ACC deaminase, ethylene biosynthesis, and waterlogging.
- Analysis of the mechanism of ACC hydrolysis by bacterial ACC deaminase.
- Examination of the impact of ACC deaminase on terrestrial and riparian plants.
Main Results:
- Bacterial ACC deaminase effectively lowers stress ethylene levels in plants.
- This enzymatic activity mitigates the negative consequences of waterlogging.
- ACC deaminase benefits both terrestrial and riparian plant species.
Conclusions:
- Bacterial ACC deaminase is a key factor in promoting plant growth under waterlogged conditions.
- The enzyme offers a viable strategy for enhancing plant resilience to environmental stress.
- Further research can leverage ACC deaminase for agricultural applications.
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