Listeria /Lis·te·ria/ (lis-tēr´e-ah) a genus of gram-negative bacteria (family Corynebacterium); L. monocyto´genes causes listeriosis.
Listeria [lis-tēr´e-ah]
Lis·te·ri·a (l -stîr  - )n. A genus of aerobic parasitic bacteria containing small, coccoid, gram-positive rods that tend to form chains of three to five members. They are found in the feces of humans and other animals, on vegetation, and in silage. |
Listeria [lis-tēr´e-ah]
a genus of gram-positive bacteria (family Corynebacterium). L. monocyto´genes causes listeriosis.
Listeria
a genus of gram-positive bacteria in the form of small rods which frequently resemble diphtheroids. The most important species, L. monocytogenes, is found chiefly in ruminants and can be divided into 16 serovars on the basis of somatic and flagellar antigens and there is considerable genetic diversity between serovars. Serovars 4b, 1/2a and 1/2b and 3 are most commonly isolated from diseased animals but there are geographical differences. It causes a multi-syndrome disease referred to as listeriosis. L. ivanovii causes abortion in cattle and sheep.
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