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Plant Cell Environ: Metabolic signatures of rhizobacteria-induced plant growth promotion

 Last Update: 2022-08-30
 Source: Internet
 Author: User

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The rhizosphere is the narrow area around and affected by plant roots that contains a large number of microorganisms that have deleterious or beneficial effects on plant growth and health, among which beneficial rhizosphere microorganisms include plant growth-promoting rhizosphere bacteria (PGPR)
.
PGPR can enhance plant defenses against pathogens and insect herbivores while promoting plant growth
.
Understanding plant metabolic networks and their interactions is critical for understanding and optimizing rhizosphere bacteria-mediated growth promotion and induction of systemic resistance
.
Although some reports suggest that rhizosphere bacteria alter specific species of plant metabolites, their overall impact on the overall plant metabolome, especially on the core metabolic pathways that occur during plant growth promotion, is currently unclear
.

Plant Cell Environment

Research materials and technical routes Research results 1.
Research on plant phenotypic changes induced by rhizosphere bacteria
Paraburkholderia graminisPbgMicrobacteriumPseudomonas fluorescensPfPbgP.
fluorescensPfPf

Fig.
1 Phenotypic changes of different plants after inoculation with rhizosphere bacteria

2.
Study on the relationship between growth promotion and root colonization
Pf PbgPbgPf 3.
Seedling metabolome study
PbgPbgPfPbg

Fig.
2 Changes of seedling metabolome mediated by rhizosphere bacteria

4.
Characterization of metabolites in effective and ineffective partnerships in Brassica plants
PfPf
PbgPfPf

Figure 3 Dependence changes of phenylpropanoid compounds in rhizosphere bacteria-host

5.
The importance of flavonoid pathway in plant growth promotion
PbgttPbgPbgPbgPbgPbgPbg

Figure 4 The role of flavonoids in rhizobacteria-mediated growth promotion

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