1. 
   Microbe Pseudomonadota

   Betaproteobacteria bacterium SCN1 Unnamed strain NameBetaproteobacteria bacterium SCN1
   under 1% of healthy people
2. 
   Microbe Pseudomonadota

   Gammaproteobacteria bacterium MFB021 Unnamed strain NameName close to Betaproteobacteria
   under 1% of healthy people
3. 
   Microbe Bacillota

   Lentihominibacter MeaningAbout Betaproteobacteria
   45% of healthy people
4. 
   Microbe Pseudomonadota

   Cupriavidus KeywordIts page mentions Betaproteobacteria
   under 1% of healthy people
5. 
   Microbe Pseudomonadota

   Obesumbacterium proteus MeaningAbout Betaproteobacteria
   under 1% of healthy people
6. 
   Microbe Pseudomonadota

   Ralstonia mannitolilytica KeywordIts page mentions Betaproteobacteria
   under 1% of healthy people
7. 
   Microbe Pseudomonadota

   Paenalcaligenes KeywordIts page mentions Betaproteobacteria
   under 1% of healthy people
8. 
   Microbe Pseudomonadota

   Burkholderia sp. 4M9327F10 Unnamed strain KeywordIts page mentions Betaproteobacteria
   under 1% of healthy people
9. 
   Microbe Pseudomonadota

   Obesumbacterium MeaningAbout Betaproteobacteria
   under 1% of healthy people
10. 
    Microbe Pseudomonadota

    Sulfuritalea KeywordIts page mentions Betaproteobacteria
11. 
    Microbe Pseudomonadota

    Methylibium petroleiphilum KeywordIts page mentions Betaproteobacteria
    under 1% of healthy people
12. 
    Microbe Bacillota

    Peptoniphilaceae bacterium Unnamed strain MeaningAbout Betaproteobacteria
    under 1% of healthy people
13. Research BMC microbiology · 2018 Animal study

    The gut bacteria across life stages in the synanthropic fly Chrysomya megacephala.

    Faecalibacterium prausnitzii

    MeaningAbout Betaproteobacteria
    PubMed ↗
14. Research International journal of antimicrobial agents · 2018

    Composition of the intestinal microbiota in extended-spectrum β-lactamase-producing Enterobacteriaceae carriers and non-carriers in Thailand.

    Bacteroides uniformis

    MeaningAbout Betaproteobacteria
    PubMed ↗
15. Research Annals of intensive care · 2023

    Bridging gut microbiota composition with extended-spectrum beta-lactamase Enterobacteriales faecal carriage in critically ill patients (microbe cohort study).

    Sellimonas intestinalis

    MeaningAbout Betaproteobacteria
    PubMed ↗
16. 
    Microbe Pseudomonadota

    Lysobacteraceae bacterium NML93-0831 Unnamed strain MeaningAbout Betaproteobacteria
    under 1% of healthy people
17. Research Frontiers in microbiology · 2022

    Gut Microbiota and Psychiatric Disorders: A Two-Sample Mendelian Randomization Study.

    [Clostridium] innocuum

    MeaningAbout Betaproteobacteria
    PubMed ↗
18. Research BMC microbiology · 2023

    In vitro gut microbiome response to carbohydrate supplementation is acutely affected by a sudden change in diet.

    Ruminococcus bromiiBacteroides fragilisBifidobacterium adolescentis

    MeaningAbout Betaproteobacteria
    PubMed ↗
19. 
    Microbe Pseudomonadota

    Pelistega KeywordIts page mentions Betaproteobacteria
    under 1% of healthy people
20. 
    Microbe Pseudomonadota

    Tepidimonas fonticaldi KeywordIts page mentions Betaproteobacteria
21. Research Pharmaceuticals · 2021

    The Beta-Lactam Resistome Expressed by Aerobic and Anaerobic Bacteria Isolated from Human Feces of Healthy Donors.

    Phocaeicola vulgatusParabacteroides distasonisBacteroides ovatus

    MeaningAbout Betaproteobacteria
    PubMed ↗
22. Research MicrobiologyOpen · 2025

    Identification of a Differential Microbiological Signature of Extended-Spectrum ß-Lactamases Producing Escherichia Carriers in Spanish Community Children.

    Parabacteroides distasonisBifidobacterium longumBlautia obeum

    MeaningAbout Betaproteobacteria
    PubMed ↗
23. Research Frontiers in microbiology · 2023

    Causal relationship between gut microbiota with subcutaneous and visceral adipose tissue: a bidirectional two-sample Mendelian Randomization study.

    Lachnospira eligensAnaerobutyricum halliiFaecalicatena fissicatena

    MeaningAbout Betaproteobacteria
    PubMed ↗
24. 
    Microbe Bacillota

    Peptacetobacter hiranonis MeaningAbout Betaproteobacteria
    under 1% of healthy people
25. Research Sleep · 2024

    Identification of bidirectional causal links between gut microbiota and narcolepsy type 1 using Mendelian randomization.

    Lachnospira eligens

    MeaningAbout Betaproteobacteria
    PubMed ↗
26. Research Frontiers in cellular and infection microbiology · 2024

    Gut colonization and subsequent infection of neonates caused by extended-spectrum beta-lactamase-producing Escherichia coli and Klebsiella pneumoniae.

    Klebsiella pneumoniae

    MeaningAbout Betaproteobacteria
    PubMed ↗
27. 
    Microbe Pseudomonadota

    Tepidimonas KeywordIts page mentions Betaproteobacteria
28. Research Frontiers in microbiology · 2024

    Genetically supported causality between gut microbiota and frailty: a two-sample Mendelian randomization study.

    [Clostridium] innocuum

    MeaningAbout Betaproteobacteria
    PubMed ↗
29. 
    Microbe Pseudomonadota

    Methyloversatilis discipulorum KeywordIts page mentions Betaproteobacteria
    under 1% of healthy people
30. 
    Microbe Pseudomonadota

    Propionivibrio KeywordIts page mentions Betaproteobacteria
31. Research Molecular biology reports · 2020 Animal study

    WGS-based characterization of the potentially beneficial Enterococcus faecium EFD from a beehive.

    Enterococcus faecium

    MeaningAbout Betaproteobacteria
    PubMed ↗
32. 
    Microbe Pseudomonadota

    Methylophilus sp. 1 Unnamed strain KeywordIts page mentions Betaproteobacteria
33. Research The journal of prevention of Alzheimer's disease · 2024

    Evaluating Causal Effects of Gut Microbiome on Alzheimer's Disease.

    Bifidobacterium bifidum

    MeaningAbout Betaproteobacteria
    PubMed ↗
34. 
    Microbe Bacillota

    Proteocatella MeaningAbout Betaproteobacteria
35. Research Nutrients · 2024 Observational

    Changes in the Gut and Oral Microbiome in Children with Phenylketonuria in the Context of Dietary Restrictions-A Preliminary Study.

    Faecalibacterium prausnitzii

    MeaningAbout Betaproteobacteria
    PubMed ↗
36. Research Brain and behavior · 2025 Meta-analysis

    Multi-Omics Analyses Reveal Relationships Between Gut Microbiota and Frailty.

    [Clostridium] innocuum

    MeaningAbout Betaproteobacteria
    PubMed ↗
37. 
    Microbe Bacillota

    Peptoniphilus sp. BV3C26 Unnamed strain MeaningAbout Betaproteobacteria
    under 1% of healthy people
38. Research Data in brief · 2021

    Whole-genome sequence data of the proteolytic and bacteriocin producing strain Enterococcus faecalis PK23 isolated from the traditional Halitzia cheese produced in Cyprus.

    Enterococcus faecalisEnterococcus faecium

    MeaningAbout Betaproteobacteria
    PubMed ↗
39. 
    Microbe Pseudomonadota

    Enterobacter sp. RHBSTW-00175 Unnamed strain MeaningAbout Betaproteobacteria
    under 1% of healthy people
40. 
    Microbe Pseudomonadota

    Enterobacter sp. RHBSTW-00994 Unnamed strain MeaningAbout Betaproteobacteria
    under 1% of healthy people

Research: PubMed, U.S. National Library of Medicine · citations link to PubMed