Plant growth-promoting microorganisms are groups of rhizosphere microorganisms capable of colonizing the root environment. Some of the microbes that inhabit this zone are bacteria and fungi that are capable of efficiently colonizing roots and rhizosphere soil. These microorganisms can be used as biofertilizers for improving sustainable agricultural production even under unfavourable environmental conditions. Rhizobacteria have the ability to produce extracellular chemical signals, which helps in establishing an association with plants. In particular, there is a complex interkingdom signalling between the host and microbes for mutual interaction, which is also influenced by environmental factors. For mutual survival, nature induces a strong positive relationship between host and microbes in the rhizosphere. Commercialization of such microorganisms in the form of biofertilizers, biostimulants, and biopower are needed to build climate resilience in agriculture. Bacteria communicate with each other through quorum sensing molecules which also regulates gene expression and phytohormone production. An exchange of chemical signals started between microbes and plants to establish a positive or inhibitory interaction. Molecular communication was built up by encompassing chemical signals from microbes to microbes, plants to microbes or microbes to plants which results in cellular response and altered gene expression. Microorganisms are also known for their role in altering the metabolomics expression of host plants and inducing their systematic resistance by increasing the expression of stress-responsive secondary metabolites, thus leading to a sustainable crop production.
A better understanding of the mechanism of action of rhizobacteria and their roles in plant growth and development, expression of stress related proteins and metabolites, genetic improvement of crop plants, interaction and independence in their action, and their cross-talk with other growth promoting substances under unfavourable environmental conditions is essential for agricultural production and research. Therefore, this Research Topic aims to collect Original Research and Reviews/Mini-Reviews that promote this aspect of plant growth-promoting microorganisms.
Submissions on the following subjects are welcome:
1. Mechanistic insights into the plant-microbe cross-talk for sustainable agriculture
2. Rhizobia, Rhizosphere and Nodulation
3. Insights into the mechanisms of action of rhizobacteria
4. PGPR and Biotic/Abiotic stresses
5. PGPR and the expression of stress related proteins
6. PGPR involvement in the metabolic regulation of crop plants
7. Crosstalk between PGPR and phytohormones/other growth promoting substances under stresses
Plant growth-promoting microorganisms are groups of rhizosphere microorganisms capable of colonizing the root environment. Some of the microbes that inhabit this zone are bacteria and fungi that are capable of efficiently colonizing roots and rhizosphere soil. These microorganisms can be used as biofertilizers for improving sustainable agricultural production even under unfavourable environmental conditions. Rhizobacteria have the ability to produce extracellular chemical signals, which helps in establishing an association with plants. In particular, there is a complex interkingdom signalling between the host and microbes for mutual interaction, which is also influenced by environmental factors. For mutual survival, nature induces a strong positive relationship between host and microbes in the rhizosphere. Commercialization of such microorganisms in the form of biofertilizers, biostimulants, and biopower are needed to build climate resilience in agriculture. Bacteria communicate with each other through quorum sensing molecules which also regulates gene expression and phytohormone production. An exchange of chemical signals started between microbes and plants to establish a positive or inhibitory interaction. Molecular communication was built up by encompassing chemical signals from microbes to microbes, plants to microbes or microbes to plants which results in cellular response and altered gene expression. Microorganisms are also known for their role in altering the metabolomics expression of host plants and inducing their systematic resistance by increasing the expression of stress-responsive secondary metabolites, thus leading to a sustainable crop production.
A better understanding of the mechanism of action of rhizobacteria and their roles in plant growth and development, expression of stress related proteins and metabolites, genetic improvement of crop plants, interaction and independence in their action, and their cross-talk with other growth promoting substances under unfavourable environmental conditions is essential for agricultural production and research. Therefore, this Research Topic aims to collect Original Research and Reviews/Mini-Reviews that promote this aspect of plant growth-promoting microorganisms.
Submissions on the following subjects are welcome:
1. Mechanistic insights into the plant-microbe cross-talk for sustainable agriculture
2. Rhizobia, Rhizosphere and Nodulation
3. Insights into the mechanisms of action of rhizobacteria
4. PGPR and Biotic/Abiotic stresses
5. PGPR and the expression of stress related proteins
6. PGPR involvement in the metabolic regulation of crop plants
7. Crosstalk between PGPR and phytohormones/other growth promoting substances under stresses