1. 
   Microbe Actinomycetota

   Streptomyces NameName close to Streptomycetaceae
   under 1% of healthy people
2. 
   Microbe Actinomycetota

   Streptomyces diacarni NameName close to Streptomycetaceae
   under 1% of healthy people
3. 
   Microbe Actinomycetota

   Streptomyces rutgersensis NameName close to Streptomycetaceae
   under 1% of healthy people
4. 
   Microbe Actinomycetota

   Streptomyces paludis NameName close to Streptomycetaceae
5. 
   Microbe Actinomycetota

   Streptomyces hiroshimensis NameName close to Streptomycetaceae
   under 1% of healthy people
6. 
   Microbe Actinomycetota

   Streptacidiphilus NameIn the family Streptomycetaceae
7. 
   Microbe Actinomycetota

   Actinomycetaceae MeaningAbout Streptomycetaceae
8. 
   Microbe Actinomycetota

   Schaalia turicensis MeaningAbout Streptomycetaceae
   2.3% of healthy people
9. 
   Microbe Actinomycetota

   Sporichthyaceae MeaningAbout Streptomycetaceae
10. 
    Microbe Bacillota

    Staphylococcaceae MeaningAbout Streptomycetaceae
11. 
    Microbe Bacillota

    Erysipelotrichaceae bacterium 7770_A6 Unnamed strain MeaningAbout Streptomycetaceae
    2.5% of healthy people
12. 
    Microbe Bacillota

    Drancourtella MeaningAbout Streptomycetaceae
    2.4% of healthy people
13. Research Probiotics and antimicrobial proteins · 2019

    Actinomycin-Producing Endophytic Streptomyces parvulus Associated with Root of Aloe vera and Optimization of Conditions for Antibiotic Production.

    Klebsiella pneumoniae

    MeaningAbout Streptomycetaceae
    PubMed ↗
14. 
    Microbe Actinomycetota

    Kitasatospora NameIn the family Streptomycetaceae
15. Research Antonie van Leeuwenhoek · 2020 Animal study

    Lactococcus protaetiae sp. nov. and Xylanimonas protaetiae sp. nov., isolated from gut of larvae of Protaetia brevitarsis seulensis.

    Lactococcus lactis

    MeaningAbout Streptomycetaceae
    PubMed ↗
16. Research Journal of personalized medicine · 2021

    Streptococcus australis and Ralstonia pickettii as Major Microbiota in Mesotheliomas.

    Streptococcus australis

    MeaningAbout Streptomycetaceae
    PubMed ↗
17. 
    Microbe Bacteroidota

    Alloprevotella MeaningAbout Streptomycetaceae
    under 1% of healthy people
18. Research Microbiology resource announcements · 2026

    Whole genome sequences of novel Staphylococcus epidermidis, Streptococcus salivarius, and Streptococcus anginosus strains isolated from human gastric biopsy tissue.

    Streptococcus salivarius

    MeaningAbout Streptomycetaceae
    PubMed ↗
19. Research PeerJ · 2020

    Description of a new member of the family Erysipelotrichaceae: Dakotella fusiforme gen. nov., sp. nov., isolated from healthy human feces.

    [Clostridium] innocuum

    MeaningAbout Streptomycetaceae
    PubMed ↗
20. 
    Microbe Actinomycetota

    Actinoplanes MeaningAbout Streptomycetaceae
21. Research European journal of obstetrics, gynecology, and reproductive biology · 2025 Systematic review

    Deciphering the relationship between adenomyosis and the microbiota: a systematic review.

    Segatella copri

    MeaningAbout Streptomycetaceae
    PubMed ↗
22. Research bioRxiv · 2026

    A widespread gut bacterial lineage distinguished by redox metabolism and phage defense.

    Eggerthella lenta

    MeaningAbout Streptomycetaceae
    PubMed ↗
23. 
    Microbe Planctomycetota

    Schlesneria MeaningAbout Streptomycetaceae
24. 
    Microbe Pseudomonadota

    Stappiaceae MeaningAbout Streptomycetaceae
25. Research Nutrients · 2023 Review

    The Interplay between Medical Plants and Gut Microbiota in Cancer.

    Mediterraneibacter gnavus

    MeaningAbout Streptomycetaceae
    PubMed ↗
26. 
    Microbe Bacteroidota

    Lentimicrobiaceae MeaningAbout Streptomycetaceae
27. 
    Microbe Bacillota

    Erysipelotrichaceae MeaningAbout Streptomycetaceae
28. Research mSystems · 2025 Animal study

    Phylogenetic intermixing reveals stable fly-mediated circulation of mastitis-associated bacteria in dairy settings.

    Klebsiella pneumoniae

    MeaningAbout Streptomycetaceae
    PubMed ↗
29. 
    Microbe Fusobacteriota

    Streptobacillus MeaningAbout Streptomycetaceae
30. Research Expert review of endocrinology & metabolism · 2025 Review

    Gut microbiota alterations and their role in the pathophysiology of obesity following bariatric surgery.

    Akkermansia muciniphila

    MeaningAbout Streptomycetaceae
    PubMed ↗
31. 
    Microbe Bacillota

    Streptococcus vestibularis MeaningAbout Streptomycetaceae
    8.1% of healthy people
32. Research Saudi journal of gastroenterology · 2023

    Composition of the gut microbiota in patients with inflammatory bowel disease in Saudi Arabia: A pilot study.

    Mediterraneibacter gnavusDorea formicigeneransBifidobacterium adolescentis

    MeaningAbout Streptomycetaceae
    PubMed ↗
33. Research PLoS neglected tropical diseases · 2024 Animal study

    Comparative analysis of the microbiota of sand fly vectors of Leishmania major and L. tropica in a mixed focus of cutaneous leishmaniasis in southeast Tunisia; ecotype shapes the bacterial community structure.

    Enterococcus faecalis

    MeaningAbout Streptomycetaceae
    PubMed ↗
34. 
    Microbe Actinomycetota

    Schaalia odontolytica MeaningAbout Streptomycetaceae
    15% of healthy people
35. 
    Microbe Bacillota

    Bacillaceae MeaningAbout Streptomycetaceae
36. Research Marine drugs · 2022

    Gut and Gill-Associated Microbiota of the Flatfish European Plaice (Pleuronectes platessa): Diversity, Metabolome and Bioactivity against Human and Aquaculture Pathogens.

    Enterococcus faecium

    MeaningAbout Streptomycetaceae
    PubMed ↗
37. 
    Microbe Bacillota

    Christensenellaceae MeaningAbout Streptomycetaceae
38. Research BMC microbiology · 2026

    Identification and functional characterization of Pseudomonas fluorescens as a novel intratumoral bacterium in colorectal cancer.

    Anaerotignum faecicolaBacteroides

    MeaningAbout Streptomycetaceae
    PubMed ↗
39. 
    Microbe Bacteroidota

    Prevotellaceae MeaningAbout Streptomycetaceae
40. 
    Microbe Actinomycetota

    Actinomyces radicidentis MeaningAbout Streptomycetaceae
    under 1% of healthy people

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