Intracellular bacteria

Rickettsia rickettsii (stained red) within tick haemolymph cells.

Intracellular bacteria are bacteria that have the capability to enter and survive within the cells of the host organism.[1] Many of them are capable of growth extracellularly, but some of them can grow and reproduce only intracellularly (obligate intracellular parasites). Besides bacteria, there are other kinds of intracellular microorganisms.

Examples of non-obligate intracellular bacteria include members of the genera Brucella, Legionella, Listeria, and Mycobacterium. Examples of obligate intracellular bacteria include members of the order Rickettsiales and members of the genus Mycoplasma.[1]

## See also

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* Endosymbiont

## References

[edit]

1. ^ a b Levinson, Warren (2018). Review of medical microbiology and immunology (15th ed.). New York. ISBN 978-1-259-64450-4. OCLC 1225889723.`{{cite book}}`: CS1 maint: location missing publisher (link)

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Microbiology: Bacteria

Medical
microbiology|

* Infection
* Exotoxin
* Lysogenic cycle
* Pathogenic bacteria
* Resistance

Biochemistry
and ecology|

| Oxygen
preference|

* Aerobic
* Obligate
* Facultative
* Anaerobic
* Facultative
* Obligate
* Microaerophile
* Nanaerobe
* Aerotolerant

|

Other|

* Extremophile
* Human microbiome
* Gut
* Lung
* Mouth
* Skin
* Vaginal (in pregnancy)
* Placental
* Uterine
* Salivary
* Microbial metabolism
* Nitrogen fixation
* Microbial ecology
* Primary nutritional groups
* Substrate preference
* Lipophilic
* Saccharophilic

Shape|

* Bacterial cellular morphologies
* cell structure
* plasticity
* Cocci
* Bacilli
* Coccobacilli
* Spiral

Structure|

| Cell
envelope|

* Cell membrane
* Cell wall: Peptidoglycan
* NAM
* NAG
* DAP
* Gram-positive bacteria only: Teichoic acid
* Lipoteichoic acid
* Endospore
* Gram-negative bacteria only: Bacterial outer membrane
* Porin
* Lipopolysaccharide
* Periplasmic space
* Mycobacteria only: Arabinogalactan
* Mycolic acid

|

Outside
envelope|

* Bacterial capsule
* Slime layer
* S-layer
* Glycocalyx
* Pilus
* Fimbria
* Non-motile bacteria

Composite|

* Biofilm

Taxonomy
and evolution|

* Bacteria (classifications)
* Bacterial phyla
* Former groupings: Schizomycetes
* Monera
* Prokaryota
* Gracilicutes
* Firmicutes
* Mollicutes
* Mendosicutes

* Category
* Commons

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Infectious disease and microbiology

Disciplines and pathogens|

* Bacteriology
* bacteria
* Virology
* viruses
* prions
* Mycology
* fungi
* Parasitology
* protozoa
* helminths
* Entomology
* ectoparasites

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