Phylogenetically Pediococcus species belong glands, and the mucous membranes of to the L. casein-Pediococcus sub-cluster of mammals and birds. Some species, mainly the Lactobacillus cluster. The genus consists coagulase-negative staphylococci (CNS) currently of nine species, but only P. pento- such as Staphylococcus xylosus, S. carnosus, saceus is generally used as a starter culture S. equorum, and S. saprophyticus, are for meat fermentation. The species P. cerevi- frequently isolated from dry fermented siae, frequently mentioned as a starter culture, sausages, but other species occur, too. has now been reclassified as P. pentosaceus. Staphylococci are facultative anaerobes The genome-sequencing project of P. pento- capable of metabolizing a number of differ- saceus ATCC 25745 is complete (http:// ent sugars. Under anaerobic conditions, the genome.jgi-psf
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