Streptococcus: Is a bacterial genus of

Streptococcus is a bacterial genus of nonmotile, gram-positive cocci measuring between 0.5 and 2 µm and arranged in pairs or chains due to the unilateral direction of bacterial binary fission. 53 The Streptococcus genus belongs to the phylum Bacillota, order Lactobacillales, and family Streptococcaceae as seen in Table 1. 4 They are predominantly facultative anaerobes that are categorized according to their hemolytic properties. Alpha-hemolytic species induce partial haemolysis of red blood ... 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. Streptococci are microbiologically characterized as gram-positive and nonmotile. Streptococcus contains a variety of species, some of which cause disease in humans and animals, while others are important in the manufacture of certain fermented ... Streptococcus : Characteristics, Classification and Clinical Importance General Characteristics Streptococcus is a genus of Gram-positive, spherical bacteria (cocci) that typically arrange themselves in chains of varying lengths, though some may appear in pairs. These bacteria are facultative anaerobes, meaning they can survive in both oxygen-rich and oxygen-poor environments. They are catalase-negative, distinguishing them from Staphylococcus species, which are catalase-positive. The streptococci are a large heterogeneous group of gram-positive spherically shaped bacteria widely distributed in nature. They include some of the most important agents of human disease as well as members of the normal human flora. Some ...