ArticleArchives of microbiology2021
Contribution of macrolactin in Bacillus velezensis CLA178 to the antagonistic activities against Agrobacterium tumefaciens C58.
Article in Archives of microbiology, 2021. 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, 20 citations in OpenAlex.
- Ecological Management of Crown Gall-Affected Soils: Pathogen Reservoirs, Disease-Suppressive Microbiomes, and Helper Consortia.Microorganisms · 2026Review
- Wheat-associated Antagonistic Bacteria Exerts Biocontrol Activity Against Fungal Growth and Deoxynivalenol Production in Fusarium Graminearum.Current microbiology · 2025Article
- Article
- Biocontrol of Crown Gall Disease of Cherry Trees byPlants (Basel, Switzerland) · 2025Article
- Bacillus velezensis: a versatile ally in the battle against phytopathogens-insights and prospects.Applied microbiology and biotechnology · 2024Review
- Endophytic bacteria inFrontiers in microbiology · 2024Article
- Biological control potential of worrisome wheat blast disease by the seed endophytic bacilli.Frontiers in microbiology · 2024Article
- Article
- Genomic insights on fighting bacterial wilt by a novel Bacillus amyloliquefaciens strain Cas02.Microbial biotechnology · 2022Article
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
Abstract
Beneficial rhizobacteria can inhibit soilborne pathogens by secreting an array of polyketides, lipopeptides and dipeptides, but the effect of polyketides on crown gall disease caused by Agrobacterium tumefaciens C58 is unclear. In this study, the antagonistic compounds of the plant growth-promoting rhizobacterium Bacillus velezensis CLA178 was sorted with different organic phases, purified by high-pressure liquid chromatography, and detected by a liquid chromatography ionization-mass spectrometry system. Macrolactins were found to be the compounds with antagonistic activity against A. tumefaciens C58. When the macrolactin synthesis pathway was disrupted, the mutant △mlnA only showed slight antagonistic activity against A. tumefaciens C58. Transmission electron microscopy showed that the inhibition of C58 cell division by cell-free culture from the mutant △mlnA was weaker than that by cell-free culture from CLA178. The mutant deficient in production of macrolactin showed a weaker transcription of genes involved in attachment of C58 to plant and lower biocontrol of crown gall disease in rose than the wild-type strain CLA178. The effect of macrolactins on pathogen C58 has been also confirmed by the purified macrolactins. These results reveal that macrolactins contribute to the biocontrol activity of C58 by inhibiting cell division and downregulating the transcription of chvB and chvE.
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