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Enhancing Rice Stress Tolerance: New Insights into the Synergistic Roles of Roots and Rhizosphere Microbes
2 The Key Laboratory for Crop Production and Smart Agriculture of Yunnan Province, Yunnan Agricultural University, Kunming, 650201, Yunnan, China
3 State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, 650201, Yunnan, China
Author Correspondence author
Molecular Microbiology Research, 2024, Vol. 14, No. 5
Received: 18 Aug., 2024 Accepted: 30 Sep., 2024 Published: 15 Oct., 2024
As one of the world's major food crops, the yield and quality of rice are directly related to global food security. However, rice often faces a variety of stress factors such as drought, salinity, pests and diseases, which seriously affect the growth and yield of rice. Improving the stress resistance of rice has therefore become a key area of agricultural scientific research. In recent years, the synergistic role of root system and rhizosphere microorganisms in improving plant stress resistance has attracted extensive attention. The aim of this review is to systematically analyze the role of rice root and rhizosphere microorganisms in the process of stress resistance, and to reveal the mechanism and potential of their interactions. The contents include the morphological and physiological adaptation changes of roots, the composition and function of rhizosphere microbial communities, and the interaction mechanism between root exudates and microorganisms. Through case studies and experimental data, the synergistic effect of roots and microorganisms under drought and salinity stresses and their effects on rice stress resistance were explored. This review is expected to provide new ideas and methods for improving rice stress resistance, and provide a scientific basis for the application of microbial inoculants and genetic engineering technologies in agricultural practice in the future.
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