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The majority of Streptococcus anginosus strains produce acetoin from glucose, ferment lactose, trehalose, salicin, and sucrose, and hydrolyze esculin and arginine. Carbon dioxide can stimulate growth or is even required for growth in certain strains. Streptococcus anginosus may be beta-hemolytic or nonhemolytic. The small colonies often give ...
The anginosus group streptococci are members of the viridans streptococci group. [1] They have been implicated as etiologic agents in a variety of serious purulent infections, but because of their heterogeneous characteristics, these organisms may be unrecognized or misidentified by clinical laboratorians. [ 2 ]
Streptococcus anginosus in the gut was independently associated with 20% higher odds of stroke after controlling for vascular risk factors. Anaerostipes hadrus—a gut bacteria associated with ...
Streptococcus is a genus of gram-positive or spherical bacteria that belongs to the family Streptococcaceae, within the order Lactobacillales (lactic acid bacteria), in the phylum Bacillota. [2] Cell division in streptococci occurs along a single axis , thus when growing they tend to form pairs or chains, which may appear bent or twisted.
In fact, the amount of streptococcus anginosus in the saliva and the gut was associated with both a higher risk of stroke and worse outcomes, including death and other major cardiovascular events ...
The distinction from the Streptococcus anginosus group (Lancefield A, C, G or F) can be made by colony size and Voges Proskauer test (VP); the S.anginosus group being VP positive. Streptococcus equi contains Lancefield group C, and Streptococcus canis harbours group G, but unlike S. dysgalactiae, they are both Hyaluronidase negative. [34]
Streptococcus bovis is a group of strains of Gram-positive bacteria, originally described as a species, [5] [6] that in humans is associated with urinary tract infections, endocarditis, sepsis, [7] and colorectal cancer. [8] S. bovis is commonly found in the alimentary tract of cattle, sheep, and other ruminants, [9] and may cause ruminal acidosis.
Toxic shock syndrome (TSS) is a condition caused by bacterial toxins. [1] Symptoms may include fever, rash, skin peeling, and low blood pressure. [1] There may also be symptoms related to the specific underlying infection such as mastitis, osteomyelitis, necrotising fasciitis, or pneumonia.