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Rhodococcus equi is a Gram-positive coccobacillus bacterium. The organism is commonly found in dry and dusty soil and can be important for diseases of domesticated animals (horses and goats). The frequency of infection can reach near 60%. [1] R. equi is an important pathogen causing pneumonia in foals.
Coccobacillus: Oval and similar to coccus (circular shaped bacterium). [22] There is no connection between the shape of a bacterium and its color upon Gram staining; there are both gram-positive rods and gram-negative rods. MacConkey agar can be used to distinguish among gram-negative bacilli such as E. coli and salmonella. [23]
Rickettsia rickettsii is a Gram-negative, intracellular, cocco-bacillus bacterium that was first discovered in 1902. [1] Having a reduced genome, the bacterium harvests nutrients from its host cell to carry out respiration, making it an organo-heterotroph.
Gardnerella vaginalis was described in 1953 by Sidney Leopold as a nonmotile, nonencapsulated, pleomorphic gram-negative rod from the vaginas of women who showed symptoms of cervicitis. As though it's been suggested that the organism was related to the genus Haemophilus due to its morphology and growth conditions, the relation between this ...
Gram-positive and nonmotile acid-fast coccobacilli. Does not form spores, capsules or aerial hyphae. Colony characteristics. Dysgonic and nonphotochromogenic, pale yellow colonies on Löwenstein-Jensen agar. Physiology. Slow growth on Löwenstein-Jensen medium at temperatures between 22 and 31 °C (72 and 88 °F) after 2–3 weeks.
Violet-stained gram-positive cocci and pink-stained gram-negative bacilli. In bacteriology, gram-positive bacteria are bacteria that give a positive result in the Gram stain test, which is traditionally used to quickly classify bacteria into two broad categories according to their type of cell wall.
Cellulosimicrobium cellulans is a pleomorphic Gram-positive bacteria. Initially, C.cellulans are rod-shaped bacilli that become more coccoid as the bacteria grows and matures. [ 11 ] C. cellulans may also form branches or filaments, allowing the bacteria to better adhere to structures (including implanted devices and catheters) and allow for ...
Gram stain (Gram staining or Gram's method), is a method of staining used to classify bacterial species into two large groups: gram-positive bacteria and gram-negative bacteria. It may also be used to diagnose a fungal infection . [ 1 ]