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Bacillus Consortia Modulate Transcriptional and Metabolic Machinery of Arabidopsis Plants for Salt Tolerance.

Ritu DixitNikita BishtSankalp MisraSateesh Chandra GuptaPuneet Singh Chauhan
Published in: Current microbiology (2023)
Rhizobacteria that are helpful to plants can lessen the impacts of salt stress, and they may hold promise for the development of sustainable agriculture in the future. The present study was intended to explicate consortia of salt-tolerant plant-beneficial rhizobacteria for the amelioration of salinity stress in Arabidopsis plants. Inoculation with both the consortia positively influenced the growth of plants as indicated by total chlorophyll content, MDA content, and antioxidant enzyme activities under stressful conditions. Both the multi-trait consortia altered the expression profiles of stress-related genes including CSD1, CAT1, Wrky, Ein, Etr, and ACO. Furthermore, the metabolomic analysis indicated that inoculated plants modulated the metabolic profiles to stimulate physiological and biochemical responses in Arabidopsis plants to mitigate salt stress. Our study affirms that the consortia of salt-tolerant bacterial strains modulate the transcriptional as well as metabolic machinery of plants to protect them from salinity stress. Nevertheless, the findings of this study revealed that consortia are composed of salt-tolerant bacterial strains viz. Bacillus safensis NBRI 12M, B. subtilis NBRI 28B, and B. subtilis NBRI 33N demonstrated significant improvement in Arabidopsis plants under saline stress conditions.
Keyphrases
  • transcription factor
  • escherichia coli
  • stress induced
  • plant growth
  • machine learning
  • cell death
  • heat stress
  • genome wide
  • breast cancer cells
  • bacillus subtilis
  • anti inflammatory