1. 
   Microbe Pseudomonadota

   Rickettsia NameName close to Rickettsiaceae
2. 
   Microbe Pseudomonadota

   Rickettsiella NameName close to Rickettsiaceae
3. 
   Microbe Bacteroidota

   Tannerellaceae MeaningAbout Rickettsiaceae
4. 
   Microbe Bacillota

   Holdemanella MeaningAbout Rickettsiaceae
   23% of healthy people
5. 
   Microbe Bacillota

   Holdemania MeaningAbout Rickettsiaceae
   43% of healthy people
6. 
   Microbe Bacillota

   Evtepia MeaningAbout Rickettsiaceae
   39% of healthy people
7. 
   Microbe Pseudomonadota

   Pasteurellaceae MeaningAbout Rickettsiaceae
8. 
   Microbe Pseudomonadota

   Nevskiaceae MeaningAbout Rickettsiaceae
9. Research Microbiology spectrum · 2025 Animal study

   The bacterial diversity and potential pathogenic risks of giant panda-infesting ticks.

   Klebsiella pneumoniae

   MeaningAbout Rickettsiaceae
   PubMed ↗
10. Research Acta parasitologica · 2017 Animal study

    PCR denaturing gradient gel electrophoresis as a useful method to identify of intestinal bacteria flora in Haemaphysalis flava ticks.

    Klebsiella pneumoniae

    MeaningAbout Rickettsiaceae
    PubMed ↗
11. Research Veterinary dermatology · 2025 Animal study

    The cutaneous microbiota and Nannizziomycosis in bearded dragons (Pogona vitticeps): Associations between infectious Nannizziopsis species and common bacterial pathogens.

    Bifidobacterium adolescentis

    MeaningAbout Rickettsiaceae
    PubMed ↗
12. 
    Microbe Chlamydiota

    Chlamydia trachomatis MeaningAbout Rickettsiaceae
    under 1% of healthy people
13. Research Microbial pathogenesis · 2023 Animal study

    Co-infections of Klebsiella pneumoniae and Elizabethkingia miricola in black-spotted frogs (Pelophylax nigromaculatus).

    Klebsiella pneumoniae

    MeaningAbout Rickettsiaceae
    PubMed ↗
14. Research Journal of medical microbiology · 2025

    Identification of robust species-specific marker genes for the demarcation of the Klebsiella pneumoniae-quasipneumoniae-variicola complex.

    Klebsiella pneumoniae

    MeaningAbout Rickettsiaceae
    PubMed ↗
15. 
    Microbe Pseudomonadota

    Sulfuricellaceae MeaningAbout Rickettsiaceae
16. 
    Microbe Actinomycetota

    Stackebrandtia MeaningAbout Rickettsiaceae
17. 
    Microbe Pseudomonadota

    Gibbsiella MeaningAbout Rickettsiaceae
    under 1% of healthy people
18. Research Comparative immunology, microbiology and infectious diseases · 2019 Animal study

    Complex bacterial flora of imported pet tortoises deceased during quarantine: Another zoonotic threat?

    Escherichia coli

    MeaningAbout Rickettsiaceae
    PubMed ↗
19. 
    Microbe Pseudomonadota

    Wolbachia MeaningAbout Rickettsiaceae
20. 
    Microbe Bacillota

    Holdemania sp. 1001095H_141210_F2 Unnamed strain MeaningAbout Rickettsiaceae
    8.9% of healthy people
21. 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 Rickettsiaceae
    PubMed ↗
22. Research International journal of systematic and evolutionary microbiology · 2022

    Pararoseburia lenta gen. nov., sp. nov. isolated from human faeces.

    Roseburia faecisRoseburia hominis

    MeaningAbout Rickettsiaceae
    PubMed ↗
23. 
    Microbe Bacteroidota

    Weeksellaceae MeaningAbout Rickettsiaceae
24. Research Avicenna journal of medical biotechnology · 2024

    The Phenotypic and Molecular Identification of Phyllospheric Bacteria Possessing Antimicrobial Activity from Funtumia elastica (Preuss) Stapf.

    Klebsiella pneumoniae

    MeaningAbout Rickettsiaceae
    PubMed ↗
25. 
    Microbe Verrucomicrobiota

    Rubritaleaceae MeaningAbout Rickettsiaceae
26. 
    Microbe Bacillota

    Christensenellaceae MeaningAbout Rickettsiaceae
27. 
    Microbe Bacteroidota

    Prevotellaceae MeaningAbout Rickettsiaceae
28. Research The Journal of infectious diseases · 2017 Observational

    Entamoeba Species in South Africa: Correlations With the Host Microbiome, Parasite Burdens, and First Description of Entamoeba bangladeshi Outside of Asia.

    Segatella copri

    MeaningAbout Rickettsiaceae
    PubMed ↗
29. Research Veterinary research · 2021 Animal study

    Typhlitis induced by Histomonas meleagridis affects relative but not the absolute Escherichia coli counts and invasion in the gut in turkeys.

    Escherichia coliFaecalibacterium prausnitziiAlistipes putredinis

    MeaningAbout Rickettsiaceae
    PubMed ↗
30. 
    Microbe Bacillota

    Murdochiella MeaningAbout Rickettsiaceae
    under 1% of healthy people
31. 
    Microbe Actinomycetota

    Olsenella sp. oral taxon 807 Unnamed strain MeaningAbout Rickettsiaceae
    1.4% of healthy people
32. 
    Microbe Pseudomonadota

    Palleronia MeaningAbout Rickettsiaceae
33. 
    Microbe Pseudomonadota

    Erwinia billingiae MeaningAbout Rickettsiaceae
    under 1% of healthy people
34. 
    Microbe Pseudomonadota

    Lautropia MeaningAbout Rickettsiaceae
    under 1% of healthy people
35. 
    Microbe Pseudomonadota

    Neisseriaceae MeaningAbout Rickettsiaceae
36. 
    Microbe Thermodesulfobacteriota

    Syntrophus MeaningAbout Rickettsiaceae
37. 
    Microbe Pseudomonadota

    Coxiella MeaningAbout Rickettsiaceae
38. 
    Microbe Bacillota

    Siminovitchia MeaningAbout Rickettsiaceae
    under 1% of healthy people
39. 
    Microbe Pseudomonadota

    Thaumasiovibrio MeaningAbout Rickettsiaceae
40. 
    Microbe Pseudomonadota

    Anaplasma MeaningAbout Rickettsiaceae

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