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Is Streptococcus a pathogen?
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Streptococcus is a genus of gram-positive coccus ( pl.: cocci) or spherical bacteria that belongs to the family Streptococcaceae, within the order Lactobacillales (lactic acid bacteria), in the phylum Bacillota. [2] .
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The viridans streptococci are a large group of commensal...
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The salivary microbiome consists of the nonpathogenic,...
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- Streptococcus Dysgalactiae
Streptococcaceae are a family of Gram-positive bacteria, placed within the order Lactobacillales. Representative genera include Lactococcus, Lactovum, and Streptococcus. References
streptococcus, (genus Streptococcus), group of spheroidal bacteria belonging to the family Streptococcaceae. The term streptococcus (“twisted berry”) refers to the bacteria’s characteristic grouping in chains that resemble a string of beads.
- The Editors of Encyclopaedia Britannica
Streptococci are Gram-positive, nonmotile, nonsporeforming, catalase-negative cocci that occur in pairs or chains. Older cultures may lose their Gram-positive character. Most streptococci are facultative anaerobes, and some are obligate (strict) anaerobes. Most require enriched media (blood agar).
- Maria Jevitz Patterson
- 1996
May 31, 2022 · Streptococcus pyogenes is a strict human pathogen responsible for a wider variety of human diseases than perhaps any other microorganism. The classical diseases of the group A streptococci are now known by newer names.
- Joseph J. Ferretti
- 2022/11/19
The genus Streptococcus currently comprises 99 recognized species, many of which are associated with disease in humans and animals ( www.bacterio.net/streptococcus.html ). The streptococci are gram-positive cocci that are usually arranged in chains of varying lengths and in some cases pairs.
Jun 8, 2018 · Streptococcus (family Streptococcaceae) A genus of Gram-positive, non-motile bacteria in which the cells are spherical to ovoid, and often occur in pairs or chains. There are many species, found chiefly as parasites and pathogens in warm-blooded animals, including humans.
