Streptococcus mutans- An Overview
Streptococcus mutans is a Gram-positive coccus that is a major inhabitant of the oral cavity and is considered a significant contributor of tooth decay and cavities. Streptococci are spherical or … Read more
Bacteriology is a branch or discipline of science that studies different characteristics of bacteria and their association with other organisms or disciplines.
Streptococcus mutans is a Gram-positive coccus that is a major inhabitant of the oral cavity and is considered a significant contributor of tooth decay and cavities. Streptococci are spherical or … Read more
Escherichia coli as Pathogens The effectiveness of E. coli as a pathogen is illustrated by the fact that: Pathotypes of E. coli Source: DOI: 10.1128/CMR.00022-13 A. Enterotoxigenic E. coli (ETEC) B. … Read more
Habitat of Chlamydia trachomatis It is an obligate intracellular human pathogens. Humans are the only natural host. It cannot survive outside of a eukaryotic host. Chlamydia trachomatis is transmitted by … Read more
What is Salmonella? Salmonella is one of the major food-borne pathogens that cause systemic or enteric infection affecting approximately 2 million people worldwide each year. The first organism, Salmonella choleraesuis … Read more
Neisseria meningitidis and Neisseria gonorrhoeae, are obligate human pathogens that cause distinctly different disease syndromes. They are both Gram negative diplococci, non-sporing, oxidase positive and difficult to differentiate on morphological and cultural characteristics. … Read more
What is Campylobacteriosis? Campylobacter infection causes human gastroenteritis and vibriosis affecting people worldwide. It is a common bacterial disease that usually occurs in both developed and developing countries. The disease … Read more
Streptococcus pneumoniae can be differentiated from Viridans streptococci by various features: S.N. Properties Pneumococcus Viridans streptococci 1 Morphology Lanceolate or flame-shaped Round/oval 2 Arrangement Gram-positive cocci in pairs Gram-positive cocci … Read more
What is Streptococcus mitis? Streptococcus mitis is a Gram-positive coccus belonging to the viridians group of Streptococci as well as the mitis group. It is a commensal organism that colonizes … Read more
Difference between O Antigen and H Antigen The surface structures of bacteria have considerable antigenic heterogeneity. Often these antigens are used as part of a serologic classification system for the … Read more
Specimen: Blood, tissues from cardiac valve Culture Culture can be performed in tissue culture cells using human embryonic lung fibroblast cell lines, and recently in a cell-free medium; however, culture … Read more