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Corynebacterium (/ k ɔː ˈ r aɪ n ə b æ k ˌ t ɪər i ə m,-ˈ r ɪ n-/) is a genus of Gram-positive bacteria and most are aerobic. They are bacilli (rod-shaped), and in some phases of life they are, more specifically, club -shaped, which inspired the genus name ( coryneform means "club-shaped").
The primary value of Loeffler medium is in the growth and morphological characterization of members of the genus Corynebacterium. This formulation enhances the formation of metachromatic granules within the cells of the organisms. Due to its serum content, Loeffler medium can be used for the determination of proteolytic activities of ...
Corynebacterium ulcerans is a rod-shaped, aerobic, and Gram-positive bacterium. Most Corynebacterium species are harmless, but some cause serious illness in humans, especially in immunocompromised humans. C. ulcerans has been known to cause diphtheria and diphtheria-like infections in patients.
A corynebacteriophage (or just corynephage) is a DNA-containing bacteriophage specific for bacteria of genus Corynebacterium as its host. [1] Corynebacterium diphtheriae virus [2] strain Corynebacterium diphtheriae phage [2] (aka Corynephage β [3] or just β-phage [4] [5]) introduces toxigenicity into strains of Corynebacterium diphtheriae as it encodes diphtheria toxin, [6] [7] [8] [5] [4 ...
Hoyle's agar is a selective medium that uses tellurite to differentially select Corynebacterium diphtheriae from other upper respiratory tract flora. The medium appears cream to yellow colored, and takes the form of a free-floating powder. It is a modification of Neill's medium. [1] Hoyle's tellurite agar contains:
Treatment Drainage of abscesses, chemical cauterization, removal of external lymph nodes, antibiotics Caseous lymphadenitis ( CLA ) is an infectious disease caused by the bacterium Corynebacterium pseudotuberculosis , that affects the lymphatic system , resulting in abscesses in the lymph nodes and internal organs .
Erythrasma is caused by Corynebacterium minutissimum.This bacterium tends to thrive in mostly moist and warm environments. Great contributors are poor hygiene, obesity, hyperhidrosis (excessive sweating), aging, diabetes mellitus, and a poorly functioning immune system. [3]
Corynebacterium diphtheriae [a] is a Gram-positive pathogenic bacterium that causes diphtheria. [2] It is also known as the Klebs–Löffler bacillus because it was discovered in 1884 by German bacteriologists Edwin Klebs (1834–1912) and Friedrich Löffler (1852–1915). [ 3 ]