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Mechanisms of microbes to combat salinity in soil by producing secondary metabolites | SpringerLink

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The biotic and abiotic stresses can affect all the living organisms including plants and microorganisms both positively and negatively. These stresses might include salinity, temperature intolerance, plants parasites, etc. However, few microbes play positive role in combating these environmental stresses by certain mechanisms. They overcome these burdens by displaying certain metabolic activities and these chemical responses may ultimately lead to the production of secondary metabolites. The secondary metabolites are substances synthesized by bacteria in microorganisms that are not required for normal cell growth but rather are useful to the cells in other aspects. Possible interactions with nearby organisms or the environment could include using these molecules for nourishment, communication, or inhibition, although these metabolites can only produce by a limited amount of microorganisms. Therefore, identifying changes in rhizospheric microbial diversity and population dynamics with respect to various abiotic stressors is becoming increasingly important, because alkalinity has an impact on microbial traits, ecosystem dynamics, and behavior. Sometimes to withstand and sustain the stress, a microbial taxon shifts to a more competent taxon, and the replacement bacteria execute the same functions. Furthermore, the modification in transcriptional mechanism such as salt overly sensitive (SOS) pathway-related genes (SOS1 and SOS4) along with enhancement of gene expression of different antioxidant enzymes including catalase (CAT) superoxide dismutase (SOD) and ascorbate peroxidase (APX) is among the defined mechanisms employed by bacteria to cope salt-stress. This review reflects the details of mechanisms of microbes to combat salinity in soil by producing secondary metabolites as salinity is considered one of the main abiotic stresses.

Mechanisms of microbes to combat salinity in soil by producing secondary metabolites Review Paper Published: 27 December 2021 Volume 15 , article number 45 ( 2022 ) Cite this article Save article View saved research Arabian Journal of Geosciences Aims and scope Submit manuscript Abstract The biotic and abiotic stresses can affect all the living organisms including plants and microorganisms both positively and negatively. These stresses might include salinity, temperature intolerance, plants parasites, etc. However, few microbes play positive role in combating these environmental stresses by ce

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