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Abstract
Ten strains of small, motile, gram-positive rods were isolated from vegetation. These strains were aerobic, facultatively anaerobic, catalasepositive, and resembled Listeria monocytogenes. One strain was identified as Listeria grayi. The nine other strains, which were mannitol-fermenting, nitrate-reducing, avirulent organisms, were compared with L. monocytogenes, L. grayi, and L. denitrificans and found sufficiently different from them. Thus, a new species, Listeria murrayi, is proposed. Strain F-9 is designated as the type strain and is available from the American Type Culture Collection as ATCC 25401.
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Copyright © 1971 International Association of Microbiological Societies