Last updated on May 30th, 2021Clostridioides (formerly Clostridium) difficile causes life-threatening diarrhea. Clostridioides difficile infection (CDI) is a leading cause of hospital-associated gastrointestinal illness. This infection mostly occurs in people who have had recent medical care […]
Last updated on June 11th, 2021Staphylococcus and Micrococcus both are Gram-positive cocci (GPC). Both of these cocci are non-motile, non-sporing, and catalase positive. Both of these organisms are normal flora of the skin and mucous membranes […]
Last updated on June 11th, 2021Neisseria gonorrhoeae and Neisseria meningitides are Gram negative diplococci (kidney bean-shaped) with flattened sides. They are characteristically found inside polymorphonuclear leucocytes. They are non-sporing, non-motile and oxidase positive. They have […]
Last updated on June 2nd, 2021Elek test is an in vitro immunoprecipitation (immunodiffusion) test to determine whether or not a strain of Corynebacterium diphtheriae is toxigenic. A test strip of filter paper containing diphtheria antitoxin […]
Last updated on June 11th, 2021All living cells can be classified as either prokaryotic or eukaryotic. Bacteria are prokaryotic, while fungi, protozoa, and other organisms are eukaryotic. Eukaryotic cells contain a nucleus with a nuclear […]
Last updated on May 30th, 2021Popularly known as “flesh-eating bacteria”, Streptococcus pyogenes is one of the pathogenic gram-positive cocci. Streptococcus pyogenes, or Group A streptococcus (GAS) is mostly known for streptococcal sore throat (strep throat). It […]
Last updated on June 11th, 2021Staphylococcus and Streptococcus are the two most common pathogenic gram-positive cocci of medical importance. They share some of the important properties. Common characteristics shared by these gram-positive cocci are: Nonmotile, […]
Last updated on May 6th, 2021“Gram positive cocci in clusters” may suggest Staphyloccocus species.“Gram positive cocci in pairs and chains” may suggest Streptococcus species or Enterococcus species. “Gram positive diplococci” may suggest Streptococcus pneumoniae.“Gram negative coccobacilli” […]
Copyright © microbeonline
