What Did We Learn From Plant Growth-Promoting Rhizobacteria (PGPR)-Grass Associations Studies Through Proteomic and Metabolomic Approaches?

Plant growth stimulation by microorganisms that interact in a mutually beneficial manner remains poorly understood. Understanding the nature of plant-bacteria interactions may open new routes for plant productivity enhancement, especially cereal crops consumed by humans. Proteomic and metabolomic an...

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Published inFrontiers in sustainable food systems Vol. 4
Main Authors Alberton, Dayane, Valdameri, Glaucio, Moure, Vivian Rotuno, Monteiro, Rose Adele, Pedrosa, Fabio de Oliveira, Müller-Santos, Marcelo, de Souza, Emanuel Maltempi
Format Journal Article
LanguageEnglish
Published Frontiers Media S.A 23.12.2020
Subjects
grass
metabolomics
nitrogen fixation
Plant growth-promoting rhizobacteria (PGPR)
plant-bacteria association
proteomics
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Summary:Plant growth stimulation by microorganisms that interact in a mutually beneficial manner remains poorly understood. Understanding the nature of plant-bacteria interactions may open new routes for plant productivity enhancement, especially cereal crops consumed by humans. Proteomic and metabolomic analyses are particularly useful for elucidating these mechanisms. A complete depiction of these mechanisms will prompt researchers to develop more efficient plant-bacteria associations. The success of microorganisms as biofertilizers may replace the current massive use of chemical fertilizers, mitigating many environmental and economic issues. In this review, we discuss the recent advances and current state of the art in proteomics and metabolomics studies involving grass-bacteria associations. We also discuss essential subjects involved in the bacterial plant-growth promotion, such, nitrogen fixation, plant stress, defense responses, and siderophore production.
ISSN:2571-581X
2571-581X
DOI:10.3389/fsufs.2020.607343