Strain Profile
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Weissella cibaria CMU
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Food-origin
Where this strain was first isolated, curated from the literature and culture-collection catalogs. It describes provenance only — not suitability, and not benefit.
How we classify this →
Sequenced
Whether a public genome assembly is linked for this strain. Without one the genome screens cannot run. It is not a verdict on the organism.
How we classify this →
Public genome assembly available
Weissella cibaria CMU is an oral probiotic strain (isolated from human saliva) that has been evaluated specifically in the context of oral health. Multiple human RCTs have investigated this strain in the context of halitosis (bad breath), dental caries, and gingivitis. In vitro studies have examined its interactions with oral pathogens and biofilm formation on dental and implant surfaces, and phenotypic and genomic analyses have been used to characterize the strain. W. cibaria CMU is primarily an oral microbiome intervention; any outcomes described in the literature are specific to oral health endpoints and should not be interpreted as systemic or digestive health effects. 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 26 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 25 symptom-tagged papers that mention each symptom or condition. Research coverage, not evidence of benefit.
Research Study-type filters use AI-classified labels, audited but not guaranteed — check the paper itself before leaning on one. How we classify this →
33 papers reference this strain in the probiotic database.
Match confidence
How strongly this paper was matched to this strain when the corpus was linked. It orders the list — it says nothing about the study's quality or its findings.
How we classify this →
2026
RCT
2026
RCT
2026
RCT
2024
IN_VITRO
2023
IN_VITRO
2023
RCT
2022
ANIMAL
2022
ANIMAL
2021
IN_VITRO
2021
RCT
2021
IN_VITRO
2021
RCT
2020
RCT
2020
ANIMAL
2020
IN_VITRO
2020
RCT
2020
RCT
2019
IN_VITRO
2019
IN_VITRO
2018
IN_VITRO
Browse all 33 papers →
Exploratory randomized trial of Weissella cibaria CMU and oral microbiome changes in peri implant mucositis
· Scientific Reports
Oral probiotic Weissella cibaria improves halitosis and reduces periodontal pathogens: a randomized, double-blind, placebo-controlled trial
· BMC Oral Health
Clinical Efficacy of the Probiotic Weissella cibaria CMU in Adults with Gingivitis: A Randomized, Double-Blind, Placebo-Controlled Clinical Trial
· Journal of Medicinal Food
In Vitro Effects of Weissella cibaria CMU and CMS1 on Receptor Activator of NF-κB Ligand (RANKL)-Induced Osteoclast Differentiation
· Journal of Functional Biomaterials
In Vitro Preventive Effect and Mechanism of Action of Weissella cibaria CMU against Streptococcus mutans Biofilm Formation and Periodontal Pathogens
· Microorganisms
Improvement of halitosis by probiotic bacterium Weissella cibaria CMU: A randomized controlled trial
· Frontiers in Microbiology
Toxicological and safety evaluations of Weissella cibaria strain CMU in animal toxicity and genotoxicity
· Toxicological Research
Therapeutic Efficacy of Weissella cibaria CMU and CMS1 on Allergic Inflammation Exacerbated by Diesel Exhaust Particulate Matter in a Murine Asthma Model
· Medicina
In Vitro Evaluation of the Effect of Oral Probiotic Weissella cibaria on the Formation of Multi-Species Oral Biofilms on Dental Implant Surfaces
· Microorganisms
A Randomized, Double-Blind, Placebo-Controlled Trial to Assess the Acidogenic Potential of Dental Biofilms through a Tablet Containing Weissella cibaria CMU
· International Journal of Environmental Research and Public Health
Antimicrobial and Antibiofilm Activities of Weissella cibaria against Pathogens of Upper Respiratory Tract Infections
· Microorganisms
Effects of Oral Probiotics on Subjective Halitosis, Oral Health, and Psychosocial Health of College Students: A Randomized, Double-Blind, Placebo-Controlled Study
· International Journal of Environmental Research and Public Health
Halitosis Inhibitory Effect of Probiotic Bacterium Weissella cibaria CMU
프로바이오틱 세균인 Weissilla cibaria CMU의 구취 억제 효과
· 대한구강보건학회지
Effect of Weissella cibaria on the reduction of periodontal tissue destruction in mice
· Journal of Periodontology
Weissella cibaria CMU exerts an anti‑inflammatory effect by inhibiting Aggregatibacter actinomycetemcomitans‑induced NF‑κB activation in macrophages
· Molecular Medicine Reports
Inhibitory effect of the probiotic bacteria, Weissella cibaria CMU on halitosis: a randomized placebo-controlled study
· Journal of Korean Academy of Oral Health
Effects of probiotic bacterium Weissella cibaria CMU on periodontal health and microbiota: a randomised, double-blind, placebo-controlled trial
· BMC Oral Health
Safety Evaluation of Oral Care Probiotics Weissella cibaria CMU and CMS1 by Phenotypic and Genotypic Analysis
· International Journal of Molecular Sciences
Weissella cibaria CMU suppresses mgl gene expression and enzyme activity associated with bad breath
· International Journal of Oral Biology
Effect of Natural Extracts on Oral Care Probiotics Weissella cibaria CMU and Periodontal Pathogens
· International Journal of Oral Biology
Discussion
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Citations
Selected papers that name this strain.
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[1]
PMID 41817287 →Clinical Efficacy of the Probiotic Weissella cibaria CMU in Adults with Gingivitis: A Randomized, Double-Blind, Placebo-Controlled Clinical Trial· Journal of Medicinal Food · 2026
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[2]
Source →Antimicrobial Resistance and Transferability in Oral-Care Probiotic Strains and Products: A Narrative Review· Preprints.org · 2026
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[3]
PMID 41781692 →Exploratory randomized trial of Weissella cibaria CMU and oral microbiome changes in peri implant mucositis· Scientific Reports · 2026
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[4]
PMID 41782083 →Oral probiotic Weissella cibaria improves halitosis and reduces periodontal pathogens: a randomized, double-blind, placebo-controlled trial· BMC Oral Health · 2026
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[5]
PMID 36733919 →Improvement of halitosis by probiotic bacterium Weissella cibaria CMU: A randomized controlled trial· Frontiers in Microbiology · 2023
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[6]
PMID 35865276 →Toxicological and safety evaluations of Weissella cibaria strain CMU in animal toxicity and genotoxicity· Toxicological Research · 2022
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[7]
Source →Halitosis Inhibitory Effect of Probiotic Bacterium Weissella cibaria CMU프로바이오틱 세균인 Weissilla cibaria CMU의 구취 억제 효과· 대한구강보건학회지 · 2020
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[8]
Source →Inhibitory effect of the probiotic bacteria, Weissella cibaria CMU on halitosis: a randomized placebo-controlled study· Journal of Korean Academy of Oral Health · 2020
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[9]
PMID 32878603 →Effects of probiotic bacterium Weissella cibaria CMU on periodontal health and microbiota: a randomised, double-blind, placebo-controlled trial· BMC Oral Health · 2020
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[10]
Source →Clinical studies on the dental caries prevention effects of the ability of Weissella cibaria CMU to adhere to the oral cavity· Indian Journal of Public Health Research & Development · 2018