Propionibacterium

Propionibacterium
	Propionibacterium acnes
Scientific classification
Kingdom:	Bacteria
Phylum:	Actinobacteria
Class:	Actinobacteria
Order:	Actinomycetales
Suborder:	Propionibacterineae
Family:	Propionibacteriaceae
Genus:	Propionibacterium
Species
	Propionibacterium acidifaciens; Propionibacterium acidipropionici; Propionibacterium acnes; Propionibacterium australiense; Propionibacterium avidum; Propionibacterium cyclohexanicum; Propionibacterium freudenreichii subsp. freudenreichii; Propionibacterium freudenreichii subsp. shermanii; Propionibacterium granulosum; Propionibacterium jensenii; Propionibacterium microaerophilum; Propionibacterium propionicum; Propionibacterium thoenii; and others;

Propionibacterium is a genus of bacteria named for their unique metabolism: They are able to synthesize propionic acid by using unusual transcarboxylase enzymes.^[2]

Its members are primarily facultative parasites and commensals of humans and other animals, living in and around the sweat glands, sebaceous glands, and other areas of the skin. They are virtually ubiquitous and do not cause problems for most people, but propionobacteria have been implicated in acne and other skin conditions.^[3]

The strain Propionibacterium freudenreichii subsp. shermanii is used in cheesemaking to create CO₂ bubbles that become "eyes", round holes in the cheese.^[4]

References

^

^ Cheung, Y.F., Fung, C., and Walsh, C. "Stereochemistry of propionyl-coenzyme A and pyruvate carboxylations catalyzed by transcarboxylase." 1975. Biochemistry 14(13), pg 2981.
^ Bojar, R., and Holland, K. "Acne and propionibacterium acnes." 2004. Clinics in Dermatology 22(5), pg. 375-379.
^ Making Swiss Cheese - David B. Fankhauser, Ph.D.

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National Center for Biotechnology Information
Databases
GenBank, PubMed, PubMed Central, Conserved Domain Database, dbSNP, Histone Database, Online Mendelian Inheritance in Man, Molecular Modeling Database, GenBank, NCBI Epigenomics, Entrez, RefSeq, Univec, Gene Expression Omnibus
people
Eugene Koonin, David Landsman, Stephen Altschul, Kim D. Pruitt

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[2] Cheung, Y.F., Fung, C., and Walsh, C. "Stereochemistry of propionyl-coenzyme A and pyruvate carboxylations catalyzed by transcarboxylase." 1975. Biochemistry 14(13), pg 2981.

[3] Bojar, R., and Holland, K. "Acne and propionibacterium acnes." 2004. Clinics in Dermatology 22(5), pg. 375-379.

[4] Making Swiss Cheese - David B. Fankhauser, Ph.D.

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