ArticleJournal of microbiology (Seoul, Korea)2017
Poly-γ-glutamic acid productivity of Bacillus subtilis BsE1 has positive function in motility and biocontrol against Fusarium graminearum.
Article in Journal of microbiology (Seoul, Korea), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Protein Homeostasis Impairment Alters Phenotypic Heterogeneity of Biofilm Communities.Molecular microbiology · 2025Article
- Isolation and Genome-Based Characterization of Biocontrol Potential ofJournal of fungi (Basel, Switzerland) · 2023Article
- Harnessing NativeApplied and environmental microbiology · 2023Review
- Differences in soil physicochemical properties and rhizosphere microbial communities of flue-cured tobacco at different transplantation stages and locations.Frontiers in microbiology · 2023Article
- γ-Polyglutamic Acid Production, Biocontrol, and Stress Tolerance: Multifunction ofInternational journal of environmental research and public health · 2022Article
- Bacillus subtilis biofilm formation and social interactions.Nature reviews. Microbiology · 2021Review
- Microbial synthesis of poly-γ-glutamic acid (γ-PGA) with fulvic acid powder, the waste from yeast molasses fermentation.Biotechnology for biofuels · 2020Article
- Plant Root Exudates Are Involved inFrontiers in microbiology · 2019Article
- The poly-gamma-glutamate of Bacillus subtilis interacts specifically with silver nanoparticles.PloS one · 2018Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In this study, we investigate the relationship between γ-PGA productivity and biocontrol capacity of Bacillus subtilis BsE1; one bacterial isolate displayed 62.14% biocontrol efficacy against Fusarium root rot. The γ-PGA yield assay, motility assay, wheat root colonization assay, and biological control assay were analysed in different γ-PGA yield mutants of BsE1. The pgsB (PGA-synthase-CapB gene) deleted mutant of BsE1 reduced γ-PGA yield and exhibited apparent decline of in vitro motile ability. Deletion of pgsB impaired colonizing capacity of BsE1 on wheat root in 30 days, also lowered biocontrol efficacies from 62.08% (wild type BsE1) to 14.22% in greenhouse experiment against Fusarium root rot. The knockout of pgdS and ggt (genes relate to two γ-PGA degrading enzymes) on BsE1, leads to a considerable improvement in polymer yield and biocontrol efficacy, which attains higher level compared with wild type BsE1. Compared with ΔpgsB mutant, defense genes related to reactive oxygen species (ROS) and phytoalexin expressed changes by notable levels on wheat roots treated with BsE1, demonstrating the functional role γ-PGA plays in biocontrol against Fusarium root rot. γ-PGA is not only important to the motile and plant root colonization ability of BsE1, but also essential to the biological control performed by BsE1 against Fusarium root rot. Our goal in this study is to reveals a new perspective of BCAs screening on bacterial isolates, without good performance during pre-assays of antagonism ability.
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Registered trials
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