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・ Corynaea
・ Corynanthe
・ Corynanthera
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・ Coryne eximia
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Corynebacterium amycolatum
・ Corynebacterium bovis
・ Corynebacterium diphtheriae
・ Corynebacterium efficiens
・ Corynebacterium granulosum
・ Corynebacterium jeikeium
・ Corynebacterium macginleyi
・ Corynebacterium matruchotii
・ Corynebacterium minutissimum
・ Corynebacterium renale
・ Corynebacterium urealyticum
・ Coryneliales
・ Coryneliella
・ Corynellus
・ Corynellus aureus


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Corynebacterium amycolatum : ウィキペディア英語版
Corynebacterium amycolatum


''Corynebacterium amycolatum'' is a Gram-positive, nonspore-forming, aerobic or facultatively anaerobic bacillus capable of fermentation with propionic acid as the major end product of its glucose metabolism. One of its best known relatives is ''Corynebacterium diphtheriae'', the causative agent of diphtheria. ''C. amycolatum'' is a common component of the natural flora found on human skin and mucous membranes, and as such, is often disregarded by physicians as a contaminant when found in blood cultures. However, ''C. amycolatum'' is actually an opportunistic pathogen capable of causing serious human disease such as endocarditis and sepsis.
==Identification==
First described in 1988, ''C. amycolatum'' is one of the diphtheroids most often isolated from clinical samples. However, it is often difficult to differentiate from other fermentative corynebacteria such as ''C. minutissimum'' and ''C. xerosis'', both of which are known human pathogens. One method of differentiation, however, is by observing the cell wall. Unlike other members of this genus, ''C. amycolatum'' lacks mycolic acid, long fatty acids usually found in the cell wall. ''C. amycolatum'' also differs in its colony morphology; the species characteristically produces flat, whitish-gray, matte or waxy colonies on Schaedler blood agar. Its antibiotic sensitivity may also aid in its identification; the organism is generally resistant to multiple antibiotics. Because of its relatively new status as a pathogen, however, no standard laboratory tests yet identify ''C. amycolatum''.〔

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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