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  2. List of clinically important bacteria - Wikipedia

    en.wikipedia.org/wiki/List_of_clinically...

    This is a list of bacteria that are significant in medicine. For viruses, see list of viruses A ...

  3. Bacteria - Wikipedia

    en.wikipedia.org/wiki/Bacteria

    Bacteria (/ b æ k ˈ t ɪər i ə / ⓘ; sg.: bacterium) are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria were among the first life forms to appear on Earth, and are present in most of its habitats.

  4. Microorganism - Wikipedia

    en.wikipedia.org/wiki/Microorganism

    Microorganisms are useful in producing foods, treating waste water, creating biofuels and a wide range of chemicals and enzymes. They are invaluable in research as model organisms . They have been weaponised and sometimes used in warfare and bioterrorism .

  5. List of bacteria genera - Wikipedia

    en.wikipedia.org/wiki/List_of_bacteria_genera

    High G+C Gram-positive bacteria Terrabacteria "Margulisiibacteriota" corrig. Anantharaman et al. 2016 "Saganbacteria" Terrabacteria: Cyanobacteriota: Oren, Mares & Rippka 2022 Blue-green algae "Blackallbacteria" "Vampirovibrionia" "Tanganyikabacteria" Terrabacteria "Bipolaricaulota" Hao et al. 2018 KB1 "Acetothermia" (OP1) "Fraserbacteria ...

  6. List of human microbiota - Wikipedia

    en.wikipedia.org/wiki/List_of_human_microbiota

    The oral microbiota consists of all the microorganisms that exist in the mouth. It is the second largest of the human body and made of various bacteria, viruses, fungi and protozoa. [14] These organisms play an important role in oral and overall health. Anthony Van Leeuwenhoek was the first to view these organisms using a microscope he created ...

  7. Human microbiome - Wikipedia

    en.wikipedia.org/wiki/Human_microbiome

    Graphic depicting the human skin microbiota, with relative prevalences of various classes of bacteria. The human microbiome is the aggregate of all microbiota that reside on or within human tissues and biofluids along with the corresponding anatomical sites in which they reside, [1] [2] including the gastrointestinal tract, skin, mammary glands, seminal fluid, uterus, ovarian follicles, lung ...

  8. Pathogenic bacteria - Wikipedia

    en.wikipedia.org/wiki/Pathogenic_bacteria

    Pathogenic bacteria are bacteria that can cause disease. [1] This article focuses on the bacteria that are pathogenic to humans. Most species of bacteria are harmless and many are beneficial but others can cause infectious diseases. The number of these pathogenic species in humans is estimated to be fewer than a hundred. [2]

  9. Actinomycetota - Wikipedia

    en.wikipedia.org/wiki/Actinomycetota

    The Actinomycetota (or Actinobacteria) are a diverse phylum of Gram-positive bacteria with high GC content. [4] They can be terrestrial or aquatic. [5] They are of great importance to land flora because of their contributions to soil systems. In soil they help to decompose the organic matter of dead organisms so the molecules can be taken up ...