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Types of Streptococcus

Group A ​Streptococcus​
Group A ​Streptococcus​

Group A Streptococcus (group A strep) is a type of bacterium that can cause many different infections that range from minor illnesses to very serious and deadly diseases.

source: cdc.gov
Streptococcus ​Agalactiae​
Streptococcus ​Agalactiae​

Streptococcus agalactiae (also known as group B streptococcus or GBS) is a gram-positive coccus (round bacterium) with a tendency to form chains (as reflected by the genus name Streptococcus). It is a beta-hemolytic, catalase-negative, and facultative anaerobe.

Streptococcus ​Anginosus​
Streptococcus ​Anginosus​

Streptococcus anginosus is a species of Streptococcus. This species, Streptococcus intermedius, and Streptococcus constellatus constitute the anginosus group, which is sometimes also referred to as the milleri group after the previously assumed but later refuted idea of a single species Streptococcus milleri.

Streptococcus ​Bovis​
Streptococcus ​Bovis​

Streptococcus gallolyticus, formerly Streptococcus bovis (S. bovis), is a species of Gram-positive bacteria that in humans is associated with urinary tract infections, endocarditis and colorectal cancer.

Streptococcus ​Canis​
Streptococcus ​Canis​

Streptococcus canis is a group G beta-hemolytic species of Streptococcus. It was first isolated in dogs, giving the bacterium its name. These bacteria are characteristically different from Streptococcus dysgalactiae, which is a human-specific group G species that has a different phenotypic chemical composition.

Streptococcus ​Constellatus​
Streptococcus ​Constellatus​

Streptococcus constellatus is a species of Streptococcus part of the normal flora in the oral cavity, urogenital region, and intestinal tract. However, it can frequently cause purulent infections in other parts of the body.

Streptococcus ​Cricetus​
Streptococcus ​Cricetus​

Streptococcus cricetus is a species of Streptococcus. References This Lactobacillales-related article is a stub. You can help Wikipedia by expanding it ...

Streptococcus ​Dysgalactiae​
Streptococcus ​Dysgalactiae​

Streptococcus dysgalactiae is a gram positive, beta-haemolytic, coccal bacterium belonging to the family Streptococcaceae. It is capable of infecting both humans and animals, but is most frequently encountered as a commensal of the alimentary tract, genital tract, or less commonly, as a part of the skin flora.

Streptococcus ​Equisimilis​
Streptococcus ​Equisimilis​

Streptococcus equisimilis is a species of Streptococcus, initially described by Frost in 1936. As a result of several DNA hybridization studies in 1983, the species was merged into Streptococcus dysgalactiae.

Streptococcus ​Gordonii​
Streptococcus ​Gordonii​

Streptococcus gordonii is good candidate for a “live bacterial mucosal vaccine vector.” Since S. gordonii is a commensal bacteria whose natural habitat is the oral cavity, its use as a vaccine will ensure the safety of humans (6).

image: flickr.com
Streptococcus ​Iniae​
Streptococcus ​Iniae​

Streptococcus iniae is a species of Gram-positive, sphere-shaped bacterium belonging to the genus Streptococcus. Since its isolation from an Amazon freshwater dolphin in the 1970s, S. iniae has emerged as a leading fish pathogen in aquaculture operations worldwide, resulting in over US$100M in annual losses.

Streptococcus ​Intermedius​
Streptococcus ​Intermedius​

Streptococcus intermedius is an aerotolerant anaerobic commensal bacterium and a member of the Streptococcus anginosus group. The S. anginosus group, occasionally termed “Streptococcus milleri group” (SMG) display hemolytic and serologic diversity, yet share core physiological traits.

Streptococcus ​Mitis​
Streptococcus ​Mitis​

Bergstrom, N., Jansson, P.E., Kilian, M., Skov Sorensen, U.B. Structures of two cell wall-associated polysaccharides of a Streptococcus mitis biovar 1 strain. A unique teichoic acid-like polysaccharide and the group O antigen which is a C-polysaccharide in common with pneumococci.

Streptococcus ​Mutans​
Streptococcus ​Mutans​

Streptococcus mutans is a facultatively anaerobic, gram-positive coccus (round bacterium) commonly found in the human oral cavity and is a significant contributor to tooth decay.

Streptococcus ​Oralis​
Streptococcus ​Oralis​

Streptococcus oralis Description and significance Streptococcus oralis is a commensal bacteria that belongs to the Mitis group, which contains the major human pathogen S. pneumoniae, and is found in the human oral cavity (2).

Streptococcus ​Parasanguinis​
Streptococcus ​Parasanguinis​

Streptococcus parasanguinis is a gram-positive bacterium of the genus Streptococcus that is classified as a member of the Streptococcus viridans group. S. parasanguinis is one of the major early colonizers of dental surfaces in the human oral cavity.

Streptococcus ​Pneumoniae​
Streptococcus ​Pneumoniae​

Pneumococcal disease is an infection caused by Streptococcus pneumoniae bacteria (“pneumococcus”). These bacteria can cause many types of illnesses, including: pneumonia (infection of the lungs), ear infections, sinus infections, meningitis (infection of the covering around the brain and spinal cord), and bacteremia (blood stream infection). Pneumococcus bacteria are spread through coughing, sneezing, and close contact with an infected person.

source: wwwnc.cdc.gov
Streptococcus ​Pseudopneumoniae​
Streptococcus ​Pseudopneumoniae​

Streptococcus pseudopneumoniae is a gram-positive coccus that may cause pneumonia in humans. It was first described in 2004. The organism is often mistaken for S. pneumoniae and its clinical importance is as yet uncertain.

image: scielo.cl
Streptococcus ​Salivarius​
Streptococcus ​Salivarius​

Streptococcus salivarius subsp. thermophilus Andrewes & Horder 1906 Streptococcus salivarius is a species of spherical, gram-positive, facultative anaerobic bacteria that is both catalase and oxidase negative.

Streptococcus ​Sanguinis​
Streptococcus ​Sanguinis​

Streptococcus sanguinis White and Niven 1946 Streptococcus sanguinis, formerly known as Streptococcus sanguis, is a Gram-positive facultative anaerobic coccus species of bacteria and a member of the Viridans Streptococcus group.

Streptococcus ​Sobrinus​
Streptococcus ​Sobrinus​

Streptococcus sobrinus. Description and significance. From the genus Streptococcus, Streptococcus sobrinus is an anaerobic, spherical shaped, Gram positive bacteria. They grow in pairs or chains and are nonmotile, nonsporeforming.

Streptococcus ​Suis​
Streptococcus ​Suis​

Streptococcus suis is a peanut-shaped, Gram-positive bacterium, and an important pathogen of pigs. Endemic in nearly all countries with an extensive pig industry, S. suis is also a zoonotic disease, capable of transmission to humans from pigs.

image: dmdp.org
Streptococcus ​Thermophilus​
Streptococcus ​Thermophilus​

Streptococcus thermophilus also known as Streptococcus salivarius subsp. thermophilus is a gram-positive bacterium, and a fermentative facultative anaerobe, of the viridans group. It tests negative for cytochrome, oxidase, and catalase, and positive for alpha-hemolytic activity.

Streptococcus ​Uberis​
Streptococcus ​Uberis​

Streptococcus parauberis, Streptococcus uberis, Streptococcus viridans explanation free. What is Streptococcus parauberis, Streptococcus uberis, Streptococcus viridans? Meaning of Streptococcus parauberis, Streptococcus uberis, Streptococcus viridans medical term.

Streptococcus ​Zooepidemicus​
Streptococcus ​Zooepidemicus​

Streptococcus zooepidemicus Streptococcus zooepidemicus is a Lancefield group C streptococcus that was first isolated in 1934 by P. R. Edwards, and named Animal pyogens A. It’s a mucosal commensal and opportunistic pathogen that infects several animals and humans, but most commonly isolated from the uterus of Mares.

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