1. 
   Microbe Pseudomonadota

   Gammaproteobacteria bacterium MFB021 Unnamed strain NameName close to Alphaproteobacteria
   under 1% of healthy people
2. 
   Microbe Pseudomonadota

   Betaproteobacteria bacterium SCN1 Unnamed strain NameName close to Alphaproteobacteria
   under 1% of healthy people
3. 
   Microbe Pseudomonadota

   Erythrobacter KeywordIts page mentions Alphaproteobacteria
4. 
   Microbe Bacillota

   Lentihominibacter MeaningAbout Alphaproteobacteria
   45% of healthy people
5. 
   Microbe Pseudomonadota

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

   Afipia KeywordIts page mentions Alphaproteobacteria
   under 1% of healthy people
7. 
   Microbe Pseudomonadota

   Sphingobium limneticum KeywordIts page mentions Alphaproteobacteria
   under 1% of healthy people
8. 
   Microbe Bacillota

   Agathobaculum butyriciproducens MeaningAbout Alphaproteobacteria
   77% of healthy people
9. 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 Alphaproteobacteria
   PubMed ↗
10. 
    Microbe Pseudomonadota

    Lysobacteraceae bacterium NML93-0831 Unnamed strain MeaningAbout Alphaproteobacteria
    under 1% of healthy people
11. 
    Microbe Pseudomonadota

    Enterobacter sp. SA187 Unnamed strain MeaningAbout Alphaproteobacteria
    under 1% of healthy people
12. Research BMC microbiology · 2018 Animal study

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

    Faecalibacterium prausnitzii

    MeaningAbout Alphaproteobacteria
    PubMed ↗
13. 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 Alphaproteobacteria
    PubMed ↗
14. 
    Microbe Pseudomonadota

    Camelimonas KeywordIts page mentions Alphaproteobacteria
15. 
    Microbe Pseudomonadota

    Acetobacter peroxydans KeywordIts page mentions Alphaproteobacteria
16. 
    Microbe Pseudomonadota

    Rhodobacter KeywordIts page mentions Alphaproteobacteria
17. Research Translational psychiatry · 2019 Animal study

    Antidepressants affect gut microbiota and Ruminococcus flavefaciens is able to abolish their effects on depressive-like behavior.

    Adlercreutzia equolifaciens

    MeaningAbout Alphaproteobacteria
    PubMed ↗
18. 
    Microbe Pseudomonadota

    Enterobacteriaceae MeaningAbout Alphaproteobacteria
19. Research AIMS microbiology · 2024

    Antibacterial activity of Arthrobacter strains isolated from Great Gobi A Strictly Protected Area, Mongolia.

    Klebsiella pneumoniae

    MeaningAbout Alphaproteobacteria
    PubMed ↗
20. Research Food research international · 2019

    Leaf-associated microbiota on perilla (Perilla frutescens var. frutescens) cultivated in South Korea to detect the potential risk of food poisoning.

    Klebsiella pneumoniae

    MeaningAbout Alphaproteobacteria
    PubMed ↗
21. 
    Microbe Pseudomonadota

    Enterobacter sp. RHBSTW-00175 Unnamed strain MeaningAbout Alphaproteobacteria
    under 1% of healthy people
22. Research Frontiers in microbiology · 2023

    Mendelian randomization supports causality between gut microbiota and chronic hepatitis B.

    Eubacterium ventriosum

    MeaningAbout Alphaproteobacteria
    PubMed ↗
23. 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 Alphaproteobacteria
    PubMed ↗
24. 
    Microbe Pseudomonadota

    Enterobacter cancerogenus MeaningAbout Alphaproteobacteria
    under 1% of healthy people
25. 
    Microbe Pseudomonadota

    Enterobacter sp. RHBSTW-00994 Unnamed strain MeaningAbout Alphaproteobacteria
    under 1% of healthy people
26. 
    Microbe Pseudomonadota

    Pelagibacterium KeywordIts page mentions Alphaproteobacteria
27. Research Antibiotics · 2025

    Antimicrobial Resistance Profiles of Clinically Relevant Enterobacteriaceae Isolates: A Retrospective Study at a Southern Italian Hospital.

    Klebsiella pneumoniae

    MeaningAbout Alphaproteobacteria
    PubMed ↗
28. 
    Microbe Pseudomonadota

    Enterobacteriaceae bacterium Unnamed strain MeaningAbout Alphaproteobacteria
    under 1% of healthy people
29. Research American journal of reproductive immunology · 2024

    Causal relationship between gut microbiome and sex hormone-binding globulin: A bidirectional two-sample Mendelian randomization study.

    Faecalicatena fissicatena

    MeaningAbout Alphaproteobacteria
    PubMed ↗
30. 
    Microbe Pseudomonadota

    Rhodomicrobium KeywordIts page mentions Alphaproteobacteria
31. 
    Microbe Pseudomonadota

    Ensifer KeywordIts page mentions Alphaproteobacteria
32. 
    Microbe Pseudomonadota

    Rhodopseudomonas KeywordIts page mentions Alphaproteobacteria
33. Research Frontiers in immunology · 2024

    Exploring gut microbiota's role in rheumatic valve disease: insights from a Mendelian randomization study and mediation analysis.

    Lachnospira eligens

    MeaningAbout Alphaproteobacteria
    PubMed ↗
34. 
    Microbe Actinomycetota

    Asaccharobacter MeaningAbout Alphaproteobacteria
35. 
    Microbe Actinomycetota

    Ellagibacter MeaningAbout Alphaproteobacteria
    12% of healthy people
36. 
    Microbe Bacillota

    Staphylococcus argenteus MeaningAbout Alphaproteobacteria
    under 1% of healthy people
37. Research Biology · 2022

    Bioprospecting for Novel Probiotic Strains from Human Milk and Infants: Molecular, Biochemical, and Ultrastructural Evidence.

    Lactobacillus gasseri

    MeaningAbout Alphaproteobacteria
    PubMed ↗
38. Research Frontiers in medicine · 2024

    Causal relationship between gut microbiota and pathological scars: a two-sample Mendelian randomization study.

    Faecalicatena fissicatena

    MeaningAbout Alphaproteobacteria
    PubMed ↗
39. 
    Microbe Pseudomonadota

    Candidatus Riegeria KeywordIts page mentions Alphaproteobacteria
40. 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 Alphaproteobacteria
    PubMed ↗

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