Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 23, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/ijms23042374
Keywords
microbiomes; plant; root exudates; drought stress; rhizosphere
Funding
- National Natural Science Foundation of China [42007043, 41920104008]
- Science and Technology Project for Black Soil Granary [XDA28080200, XDA28020400]
- Special Foundation for Basic Research Program in Wild China of CAS [XDA23070501]
- Key Laboratory Foundation of Mollisols Agroecology [2020ZKHT-02]
- Key Technology Research and Development Project in Jilin Province of China [20180201067SF]
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This review systematically illustrates the impact of drought stress on root exudates and root-associated microbiomes, and discusses their mutual regulation in helping plants adapt to drought. The authors construct a framework for the mutual connections between the plant, root exudates, and the microbiome, and hope to provide significant guidelines for the study of drought resistance in plants associated with rhizosphere microbiota.
With the warming global climate, drought stress is considered to be the most important abiotic factor limiting plant growth and yield in the world. Drought stress has serious impacts on crop production. Many researchers have studied the influences of drought stress on crop production and plant physiology; however, few researchers have combined root exudates with root-associated microbiomes for their mutual effects under drought conditions. In this review, we systematically illustrate the impact of drought stress on root exudates and root-associated microbiomes, and then we discuss the mutual regulation of root-associated microbiomes and the host plant in helping the plant adapt to drought. Finally, we construct a framework for the mutual connections between the plant, root exudates, and the microbiome. We hope this review can provide some significant guidelines to promote the study of drought resistance in plants in association with the rhizosphere microbiota.
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