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KMID : 0311119750160010044
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Yonsei Medical Journal
1975 Volume.16 No. 1 p.44 ~ p.49
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Neisseria subflava Infections
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Chong, Yunsop
Song, Kyong Soon/Lee, Samuel Y.
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Abstract
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Nonpathogenic Neisseria, normal inhabitants of the human nasopharynx, are known to cause occasional infections including such severe ones as septicemia, meningitis and endocarditis. Recently two strains of so called nonpathogenic Neisseria, identified as N. subflava, were isolated from blood specimens of two different patients. One patient. had meningitis, septicemia and subacute bacterial endocarditis while the other had septicemia.
Pigment production by both of the strains was not definite and only a light yellow color was observed after prolonged incubation. However, the isolates showed bacteriological characteristics of N. subflava, namely gramnegative diplococci which were oxidase positive, acid production from fructose, glucose, maltose and sucrose but not from lactose or mannitol; and iodine reacting polysaccharide production from sucrose. One of the patients revealed serum agglutinin titers up to 1 : 640 against the isolate.
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