Corynebacterium

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Corynebacterium

 [ko-ri″ne-bak-tēr´e-um]
a genus of gram-positive, nonmotile, straight to slightly curved rod-shaped bacteria. It includes both pathogenic and nonpathogenic organisms, which are widely distributed in nature. Species include C. ac´nes, found in acne lesions; C. diphthe´riae, the etiologic agent of diphtheria; C. haemoly´ticum, found in pharyngitis and skin ulcers; C. minutis´simum, the causative agent of erythrasma; C. pseudodiphtheri´ticum, a nonpathogenic inhabitant of the upper respiratory tract; C. te´nuis, the causative agent of trichomycosis axillaris; C. ul´cerans, which causes nasopharyngeal infections; and C. xero´sis, an opportunistic pathogen found on the skin and mucous membranes and in the conjunctival sac.

Corynebacterium

(kŏ-rī'nē-bak-tēr'ē-ŭm),
A genus of nonmotile (except for some plant pathogens), aerobic to anaerobic bacteria (family Corynebacteriaceae) containing irregularly staining, gram-positive, straight to slightly curved, often club-shaped rods that, as a result of snapping division, may show a picket fence arrangement. These organisms are widely distributed in nature. The best known species are parasites and pathogens of humans and domestic animals. The type species is Corynebacterium diphtheriae.
[G. coryne, a club, + bacterium, a small rod]

cor·y·ne·bac·te·ri·um

, pl.

cor·y·ne·bac·te·ri·a

(kŏ-rī'nē-bak-tēr'ē-ŭm, -ă),
A vernacular term used to refer to any member of the genus Corynebacterium.

Corynebacterium

/Co·ry·ne·bac·te·ri·um/ (-bak-tēr´e-um) a genus of bacteria including C. ac´nes, a species present in acne lesions, C. diphthe´riae, the etiologic agent of diphtheria, C. minutis´simum, the etiologic agent of erythrasma, and C. pseudodiphtheri´ticum, a nonpathogenic species present in the respiratory tract.

corynebacterium

(kôr′ə-nē-băk-tîr′ē-əm, kə-rĭn′ə-)
n. pl. corynebac·teria (-tîr′ē-ə)
Any of various gram-positive, rod-shaped bacteria of the genus Corynebacterium, which includes many animal and plant pathogens, such as the causative agent of diphtheria.

Corynebacterium

[kôr′inē′baktir′ē·əm]
Etymology: Gk, koryne, club, bakterion, small staff
a common genus of aerobic and facultative, anaerobic, gram-positive, nonmotile, rod-shaped curved bacilli that includes many species. The most common pathogenic species are C. acnes, commonly found in acne lesions, and C. diphtheriae, the cause of diphtheria. Nondiphtherial corynebacteria have been recognized as pathogenic, especially in immunocompromised patients. The most common infection with these organisms is bacteremia in association with infections involving devices such as heart valves, catheters, and neurological shunts. See also Propionibacterium.

Corynebacterium

A genus of small, nonmotile, gram-positive bacteria which come in a number of shapes from straight and curved rods to club shapes; most are facultative anaerobes with some similarities to mycobacteria and nocardiae

Cor·y·ne·bac·te·ri·um

(kŏ-rī'nē-bak-tēr'ē-ŭm)
A genus of nonmotile (except for some plant pathogens), aerobic to facultatively anaerobic bacteria (family Corynebacteriaceae) containing irregularly staining, gram-positive, straight to slightly curved, often club-shaped rods that, as a result of snapping division, show a picket fence arrangement. These organisms are widely distributed in nature. The best known species are parasites and pathogens of humans and domestic animals. The type species is C. diphtheriae.
[G. korynē, a club, + bacterium, a small rod]

cor·y·ne·bac·te·ri·um

, pl. corynebacteria (kŏ-rī'nē-bak-tēr'ē-ŭm, -ă)
A vernacular term used to refer to any member of the genus Corynebacterium.

Corynebacterium

Any species of the genus Corynebacterium . These are GRAM POSITIVE rod-shaped bacteria and include the organism that causes diphtheria, Corynebacterium diphtheriae .

Cor·y·ne·bac·te·ri·um

(kŏ-rī'nē-bak-tēr'ē-ŭm)
Genus of widely distributed aerobic to anaerobic bacteria containing irregularly staining, gram-positive, straight to slightly curved, often club-shaped rods; pathogenic in humans.
[G. coryne, a club, + bacterium, a small rod]

Corynebacterium (kor´ənēbakter´ēəm),

n a common genus of rod-shaped, curved bacilli. The most common pathogenic species are
C. acnes, commonly found in acne lesions, and
C. diphtheriae, the cause of diphtheria.

Corynebacterium

a genus of bacteria of the family corynebacteriaceae. They are gram-positive and show a variety of morphologies. They are short, slightly curved rods, sometimes club-shaped. Likely to be grouped into angled and palisade arrays of cells. The type species is Corynebacterium diphtheriae, the cause of diphtheria in humans.

Corynebacterium bovis
a common inhabitant of the bovine udder but not considered to be a pathogen. May have importance in protecting the udder from more damaging pathogens.
Corynebacterium (previously Eubacterium, now Actinobaculum) cystitidis
causes contagious bovine pyelonephritis.
Corynebacterium equi
now called rhodococcus equi.
Corynebacterium kutscheri
causes systemic abscessation in rodents similar to caseous lymphadenitis in sheep. Previously called C. murium.
Corynebacterium minutissimum
found in wound infections in lambs.
Corynebacterium parvum
now called Propionibacterium acnes.
Corynebacterium pseudotuberculosis
cause of caseous lymphadenitis of sheep and goats, ulcerative lymphangitis, and canadian horsepox and pectoral abscesses of horses. Previously called C. ovis.
Corynebacterium pyogenes
(now called Arcanobacterium) pyogenes, previously Actinomyces pyogenes.
Corynebacterium rathayi
Corynebacterium renale
previously classified as types I, II and III, but now allocated separate names of C. renale, C. pilosum and C. cystitidis, respectively. Causes contagious bovine pyelonephritis, and balanoposthitis of bulls, and plays a large part in causing enzootic balanoposthitis in sheep.
Corynebacterium suis
recently called Eubacterium suis; now called Actinobaculum suis.
Corynebacterium ulcerans
a rare cause of subacute bovine mastitis, but a recognized risk for people who drink raw milk.
References in periodicals archive ?
Characteristics and test results for 4 isolates of Corynebacterium bovis from patients with eye infections, Washington, USA, 2013 * Characteristic Isolates from this study F7181 F7545 F7275 F7551 Patient no.
4), siendo el Corynebacterium bovis (44,80%) la bacteria que se aislo con mayor frecuencia de manera pura, seguido del S.
Especies de bacterias aisladas Aislamiento Ocurrencia (#) (%) Staphylococcus aureus 13 12,15 Staphylococcus epidermidis 22 20,56 Staphylococcus intermedius 3 2,80 Staphylococcus saprophyticcus 3 2,80 Staphylococcus haemolyticcus 3 2,80 Staphylococcus hyicus 1 0,93 Streptococcus agalactiae 2 1,87 Streptococcus dysgalactiae 2 1,87 Arcanobacterium pyogenes 8 7,48 Corynebacterium bovis 50 46,73 Total 107 100 TABLA II DISTRIBUCION DE CUARTOS AFECTADOS POR MASTITIS SUBCLINCAS, SEGUN AGENTES BACTERIANOS AISLADOS SEGUN TIPO DE CRECIMIENTO EN LAS VACAS EN ESTUDIO/ DISTRIBUTION OF QUARTERS WITH SUBCLINICAL MASTITIS, PER ISOLATED BACTERIAL AGENT AND PER GROWTH TYPE.
2 aislamientos (7,14%) pertenecieron al genero Corynebacterium, siendo ambos de la especie Corynebacterium bovis.
Trabalho realizado no Reino Unido (4) com 159 cabras demonstrou que 53 apresentavam mastite subclinica, sendo que ECN foram os micro-organismos mais frequentes (47%), seguido pelo Corynebacterium bovis (31%) e Staphylococcus.

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