Bacillus velezensis
Bacillus velezensis (species-level, undesignated strain) is a spore-forming soil bacterium studied primarily for agricultural biocontrol applications, including antifungal and antibacterial activity against crop pathogens. The indexed research for this entry spans plant growth promotion, production of lipopeptides with antimicrobial properties, and a 2025 in vitro and C. elegans model study in the context of post-weaning diarrhea pathogens in piglets. A regulatory safety and efficacy assessment by EFSA covers one designated strain (DSM 15544) for use in dairy ruminant feed. Human probiotic evidence is absent for this species-level entry. These are research topics, not findings; the papers do not establish that this strain treats or prevents any condition.
Where it's been studied Tags come from a conservative keyword scan of each paper's title, abstract, and summary. A tag is research coverage, not measured effect. How we classify this →
Share of this strain's 345 body-system-tagged papers that concern each system. Research coverage, not measured effect.
Symptoms in the research A tag means the paper's text names the symptom or condition — research coverage, not evidence of benefit. How we classify this →
Share of this strain's 56 symptom-tagged papers that mention each symptom or condition. Research coverage, not evidence of benefit.
Strains of this species
7 strains of Bacillus velezensis in the index, with 15 linked papers between them.
Bacillus velezensis A2
Bacillus velezensis A2 is a spore-forming soil bacterium whose research record is focused on a specific niche: zearalenone, a mycotoxin (mold-derived toxic compound) that can contaminate animal feed.
Bacillus velezensis MT9
Bacillus velezensis MT9 is a marine bacterium that has been studied for its interaction with synthetic polymers.
Bacillus velezensis EBL50
Bacillus velezensis EBL50 is a bacterial strain that has been studied in the context of environmental bioremediation rather than human probiotic use.
Bacillus velezensis GUIA
Bacillus velezensis GUIA is a designated strain of B.
Bacillus velezensis P63
Bacillus velezensis P63 belongs to a species known for producing diverse antimicrobial and bioactive compounds, with applications in both agricultural biocontrol and, to a lesser extent, aquaculture probiotics.
Bacillus velezensis C5
Bacillus velezensis C5 is an environmental isolate studied in the context of polyethylene plastic biodegradation, including research on its adaptive survival mechanisms on microplastic surfaces and chemically enhanced de…
Bacillus velezensis CMC-6 R
Bacillus velezensis CMC-6-R is a strain of B.
Research Study-type filters use AI-classified labels, audited but not guaranteed — check the paper itself before leaning on one. How we classify this →
2030 papers reference this strain in the probiotic database.
Discussion
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Citations
Selected papers that name this strain.
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[1]
PMID 42093011 →Bacillus velezensis mitigates chronic LPS-induced lung injury of broilers via microbiota-driven isoflavone production and NF-κB/PPAR-γ axis modulation· Journal of Animal Science and Biotechnology/Journal of animal science and biotechnology · 2026
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[2]
PMID 42035530 →Dietary supplementation with Bacillus velezensis enhances the intestinal health of broiler chickens challenged with necrotic enteritis via reshaping the structure and function of the intestinal flora· Poultry Science · 2026
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[3]
Source →Antagonistic activity of Bacillus velezensis L09 isolated from crocodile gut against Aeromonas dhakensis: Mechanisms and potential for aquaculture applications· Water Biology and Security · 2025
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[4]
PMID 40386616 →Bacillus velezensis inhibits azoxymethane/dextran sulphate sodium induced colitis associated colorectal cancer via the small molecule HeLM· Journal of Gastrointestinal Oncology · 2025
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[5]
PMID 40913980 →A novel subtilisin-producing Bacillus velezensis strain (BV-OLS1101) improves growth and mucosal immunity in broiler chickens under Clostridium perfringens challenge· Poultry Science · 2025
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[6]
PMID 41716821 →Bacillus velezensis CML532 supplementation improved growth performance, protein digestion, and gut health in broilers fed with corn-miscellaneous meal-based low-protein diets· Animal nutrition · 2025
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[7]
PMID 41025937 →Dietary Supplementation with the Probiotic Bacillus velezensis BV379 Decreases Abdominal Bloating Without Perturbing the Commensal Gut Microbiota: A Randomized, Double-Blind, Placebo-Controlled Trial in Healthy Adults· Journal of the American Nutrition Association · 2025
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[8]
Source →Exploring Bacillus velezensis in a biomedical context: a systematic review· Academia molecular biology and genomics. · 2025
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[9]
Source →Safety and efficacy of a feed additive consisting of protease and Bacillus velezensisNRRL B-50508, B. velezensisNRRL B-50509 and B. subtilisNRRL B-50510 (Syncra® SWI 201 TPT) for pigs for fattening and other growing porcine species (Danisco (UK) ltd.)· Utrecht University Repository (Utrecht University) · 2025
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[10]
PMID 41456030 →Activation of aryl hydrocarbon receptor signaling by indole-3-lactic acid from Bacillus velezensis DS2 reinforces gut mucosal immunity and attenuates inflammaging in aged mice· Immunity & Ageing · 2025