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Streptococcus faecalis

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Definition

Noun

A gram-positive nonmotile and spherical facultative anaerobic bacterium that undergo fermentative metabolism involved in nosocomial infections.

Supplement

Streptococcus faecalis appears in pairs, singly or in short chains that usually present in the large intestine which able to grow at temperature ranging from 10’C-42’C. It can ferment glycerol under aerobic and microaerophilic conditions. It is a diverse species which interacts with other several organisms.

Streptococcus faecalis is able to ferment glucose without gas production and catabolize various energy sources such as lactate, malate, arginine, citrate, agmatine and keto acids. It can survive in very harsh environment including high alkaline pH and elevated salt concentration.

Streptococcus faecalis is implicated in various human infections including bacteremia, endocarditis, meningitis and urinary tract infections. It is associated in nosocomial infections particularly after surgery. Some of its strains used in manufacturing of foods and treatment must be more antibiotic resistance due to its multiple drug resistance ability.

Scientific classification:

Domain: Bacteria

Kingdom: Eubacteria

Phylum: Firmicutes

Class: Bacilli

Order: Lactobacillales

Family: Enterococcaceae

Genus: Enterococcus

Species: Streptococcus faecalis

See also:

• Bacteria

• Endocarditis

• Bacteremia