''Pediococcus claussenii'' is a species of

Gram-positive In bacteriology, gram-positive bacteria are bacteria that give a positive result in the Gram stain test, which is traditionally used to quickly classify bacteria into two broad categories according to their type of cell wall. Gram-positive bacte ...

bacteria Bacteria (; singular: 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 ...

. Like other ''Pediococcus'' species, ''P. claussenii'' is implicated in the spoilage of

fermented beverage This is a list of fermented foods, which are foods produced or preserved by the action of microorganisms. In this context, fermentation typically refers to the fermentation of sugar to alcohol using yeast, but other fermentation processes involv ...

s due to its production of

diacetyl Diacetyl (IUPAC systematic name: butanedione or butane-2,3-dione) is an organic compound with the chemical formula (CH3CO)2. It is a yellow liquid with an intensely buttery flavor. It is a vicinal diketone (two C=O groups, side-by-side). Diacet ...

. Strains of this species were originally isolated from spoiled

beer Beer is one of the oldest and the most widely consumed type of alcoholic drink in the world, and the third most popular drink overall after water and tea. It is produced by the brewing and fermentation of starches, mainly derived from ce ...

. The genome of ''P. claussenii'' strain ATCC BAA-344 has been sequenced.

References

External links

Type strain of ''Pediococcus claussenii'' at Bac''Dive'' - the Bacterial Diversity Metadatabase
Lactobacillaceae Bacteria described in 2002 {{lactobacilli-stub