The Effects of Plant-Associated Bacterial Exopolysaccharides on Plant Abiotic Stress Tolerance

Plant growth-promoting rhizobacteria (PGPR) are beneficial soil microorganisms that can stimulate plant growth and increase tolerance to biotic and abiotic stresses. Some PGPR are capable of secreting exopolysaccharides (EPS) to protect themselves and, consequently, their plant hosts against environ...

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Vydané v:Metabolites Ročník 11; číslo 6; s. 337
Hlavní autori: Morcillo, Rafael, Manzanera, Maximino
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Basel MDPI AG 24.05.2021
MDPI
Predmet:
Abiotic stress
Agricultural production
Apoptosis
Bacteria
Carbon
Climate change
Drought
Enzymes
Exopolysaccharides
Food security
Genomes
heavy metal
Heavy metals
Homeostasis
Host plants
Metabolites
Microorganisms
PGPR
Photosynthesis
Physiology
Plant growth
Review
Salinity
Salinity effects
Salt
Soil microorganisms
Temperature tolerance
Toxicity
ISSN:2218-1989, 2218-1989
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Shrnutí:Plant growth-promoting rhizobacteria (PGPR) are beneficial soil microorganisms that can stimulate plant growth and increase tolerance to biotic and abiotic stresses. Some PGPR are capable of secreting exopolysaccharides (EPS) to protect themselves and, consequently, their plant hosts against environmental fluctuations and other abiotic stresses such as drought, salinity, or heavy metal pollution. This review focuses on the enhancement of plant abiotic stress tolerance by bacterial EPS. We provide a comprehensive summary of the mechanisms through EPS to alleviate plant abiotic stress tolerance, including salinity, drought, temperature, and heavy metal toxicity. Finally, we discuss how these abiotic stresses may affect bacterial EPS production and its role during plant-microbe interactions.
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ISSN:2218-1989
2218-1989
DOI:10.3390/metabo11060337