ArticleApplied microbiology and biotechnology2019
The impact of Paenibacillus polymyxa HY96-2 luxS on biofilm formation and control of tomato bacterial wilt.
Article in Applied microbiology and biotechnology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 38 citations in OpenAlex.
- Whole-genome sequence and functional insights into the salt-tolerant plant growth-promoting bacterium Priestia aryabhattai MS3.BMC genomics · 2026Article
- From Biocontrol to Synthesis: Innovative Progress ofInternational journal of molecular sciences · 2025Review
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- Analysis of the complete genome sequence of Paenibacillus sp. lzh-N1 reveals its antagonistic ability.BMC genomics · 2024Article
- Comparative Transcriptome Analysis and Genetic Methods Revealed the Biocontrol Mechanism ofInternational journal of molecular sciences · 2022Article
- Article
- Genome sequencing of biocontrol strain Bacillus amyloliquefaciens Bam1 and further analysis of its heavy metal resistance mechanism.Bioresources and bioprocessing · 2022Article
- Alleviating Soil Acidification Could Increase Disease Suppression of Bacterial Wilt by Recruiting Potentially Beneficial Rhizobacteria.Microbiology spectrum · 2022Article
- EndophyticFrontiers in plant science · 2022Article
- Effect of exopolysaccharides of Paenibacillus polymyxa rhizobacteria on physiological and morphological variables of wheat seedlings.Journal of microbiology (Seoul, Korea) · 2021Article
- Draft Genome Sequences of Seven Strains ofMicrobiology resource announcements · 2020Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
The focus of this study was to investigate the effects of luxS, a key regulatory gene of the autoinducer-2 (AI-2) quorum sensing (QS) system, on the biofilm formation and biocontrol efficacy against Ralstonia solanacearum by Paenibacillus polymyxa HY96-2. luxS mutants were constructed and assayed for biofilm formation of the wild-type (WT) strain and luxS mutants of P. polymyxa HY96-2 in vitro and in vivo. The results showed that luxS positively regulated the biofilm formation of HY96-2. Greenhouse experiments of tomato bacterial wilt found that from the early stage to late stage postinoculation, the biocontrol efficacy of the luxS deletion strain was the lowest with 50.70 ± 1.39% in the late stage. However, the luxS overexpression strain had the highest biocontrol efficacy with 75.66 ± 1.94% in the late stage. The complementation of luxS could restore the biocontrol efficacy of the luxS deletion strain with 69.84 ± 1.09% in the late stage, which was higher than that of the WT strain with 65.94 ± 2.73%. Therefore, we deduced that luxS could promote the biofilm formation of P. polymyxa HY96-2 and further promoted its biocontrol efficacy against R. solanacearum.
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