Haemophilus parainfluenzae

Haemophilus parainfluenzae
Scientific classification
Kingdom:	Bacteria
Phylum:	Proteobacteria
Class:	Gammaproteobacteria
Order:	Pasteurellales
Family:	Pasteurellaceae
Genus:	Haemophilus
Species:	H. parainfluenzae
Binomial name
	Haemophilus parainfluenzae; Rivers 1922 (Approved Lists 1980)

Haemophilus parainfluenzae is a species of Haemophilus.

It is one of the HACEK organisms.^[2] H. parainfluenzae is an opportunistic pathogen that has been associated with endocarditis, bronchitis, otitis, conjunctivitis, pneumonia, abscesses and genital tract infections.

Natural genetic transformation[]

H. parainfluenzae biotypes I and II are capable of natural genetic transformation.^[3] Natural genetic transformation is a bacterial adaptation for DNA transfer. In order for a bacterium to bind, take up and recombine exogenous DNA into its genome it must enter a special physiological state termed natural competence. In H. parainfluenzae, competence is induced during the late stationary phase of growth.^[3] Natural DNA transformation may play a major role in the exchange of genetic information among H. parainfluenzae isolates.

References[]

^ "Species: Haemophilus parainfluenzae". lpsn.dsmz.de.
^ HACEK Group Infections at eMedicine
^ ^a ^b Gromkova RC, Mottalini TC, Dove MG (1998). "Genetic transformation in Haemophilus parainfluenzae clinical isolates". Curr. Microbiol. 37 (2): 123–6. PMID 9662612.

External links[]

"Haemophilus parainfluenzae". NCBI Taxonomy Browser. 729.
Type strain of Haemophilus parainfluenzae at BacDive - the Bacterial Diversity Metadatabase

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[1] "Species: Haemophilus parainfluenzae". lpsn.dsmz.de.

[2] HACEK Group Infections at eMedicine

[pmid9662612-3] Gromkova RC, Mottalini TC, Dove MG (1998). "Genetic transformation in Haemophilus parainfluenzae clinical isolates". Curr. Microbiol. 37 (2): 123–6. PMID 9662612.

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