Streptococcus, from Ancient Greek στρεπτός (streptós), meaning "twisted", and κόκκος (kókkos), meaning "sphere", is a genus of gram-positive or spherical bacteria that belongs to the family Streptococcaceae, within the order Lactobacillales (lactic acid bacteria), in …

Mar 13, 2025 · 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.

Oct 15, 2022 · There are a number of different streptococci, which create symptoms ranging from a mild throat infection to a life-threatening infection of the blood or organs. Anyone...

Nov 30, 2022 · Strep throat is caused by infection with a bacterium known as Streptococcus pyogenes, also called group A streptococcus. Streptococcal bacteria are contagious. They can spread through droplets when someone with the infection …

Streptococci are gram-positive aerobic organisms that cause many disorders, including pharyngitis, pneumonia, wound and skin infections, sepsis, and endocarditis. Symptoms vary with the organ infected. Sequelae of infections due to group A beta-hemolytic streptococci may include rheumatic fever and glomerulonephritis.

Oct 21, 2016 · Streptococcal is a type of bacteria that can cause strep throat (group A) or blood infections (group B). Learn how they can be prevented and treated.

Group A streptococcal (GAS) infections occur when a microorganism (bacteria) enters your body and causes an illness, most often in your skin and throat. There are more than 120 strains of group A Streptococcus bacteria, which is the bacteria that causes group A …

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) …

Streptococcus is a genus of bacteria responsible for many human infections. Known for its diverse types and the array of diseases it can cause, understanding streptococcus is crucial for effective diagnosis, treatment, and prevention.

Jan 19, 2025 · Streptococcus bacteria, a diverse group of gram-positive organisms, are responsible for a range of human infections from mild throat ailments to severe invasive diseases. Their adaptability and ability to cause widespread illness make them a …