Plant Growth Promoting and Stress Mitigating Abilities of Soil Born Microorganisms

(E-pub Ahead of Print)

Author(s): Shahid Ali*, Linan Xie.

Journal Name: Recent Patents on Food, Nutrition & Agriculture

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Abiotic stresses affect the plant growth in different ways and at different developmental stages that reduce the crop yields. The increasing world population continually demands more crop yields; therefore it is important to use the low-cost technologies against abiotic stresses to increase the crop productivity. Soil microorganisms survive in the soil and associated with plants in extreme condition. It was demonstrated that these beneficial microorganisms promote the plant growth and development under various stresses. The soil microbes interact with plant through rhizospheric or endophytic association and promote the plant growth through different processes such as nutrients mobilization, disease suppression, and hormone secretions. The microorganisms colonized in the rhizospheric region and impart the abiotic stress tolerance by producing 1-aminocyclopropane-1-carboxylate (ACC) deaminase, antioxidant, and volatile compounds, inducing the accumulation of osmolytes, producing of exopolysaccharide, upregulation or downregulation of stress genes, phytohormones and change the root morphology. In the present review, an attempt was made to throw light on the mechanism of micro-organism that operates during abiotic stresses and promote the plant survival and productivity.

Keywords: Angiogenesis, catecholamines, hypoxia, neuropeptide Y, sympathetic neurotransmitters, tumor progression, Abiotic stress, Soil microorganisms, Rhizospheric, Phytohormones, ACC deaminase, Endophytic, Osmolytes, Exopolysaccharide

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(E-pub Ahead of Print)
DOI: 10.2174/2212798410666190515115548

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