副鸡嗜血杆菌V因子（烟酰胺腺嘌呤二核苷酸）非依赖菌株的出现。
Occurrence of V-factor (NAD) independent strains of Haemophilus paragallinarum.
作者信息
Mouahid M, Bisgaard M, Morley A J, Mutters R, Mannheim W
机构信息
Department of Medical Microbiology, University of Marburg, Germany.
出版信息
Vet Microbiol. 1992 Jun 15;31(4):363-8. doi: 10.1016/0378-1135(92)90128-g.
Strains of Bisgaard taxon 31, isolated from chickens in South Africa suffering from a respiratory disease with clinical symptoms and gross lesions similar to infectious coryza, showed great phenotypical similarities with Haemophilus paragallinarum infection except for NAD requirement, beta-galactosidase activity and maltose fermentation. Deoxyribonucleic acid-deoxyribonucleic acid hybridization confirmed a high level of genetic relatedness (DNA binding value, 89%) with Haemophilus paragallinarum. Guanine + cytosine content and genome size data also support the classification of taxon 31 strains within the species Haemophilus paragallinarum.
从南非患有呼吸道疾病、临床症状和大体病变与传染性鼻炎相似的鸡中分离出的Bisgaard分类单元31菌株，除了对烟酰胺腺嘌呤二核苷酸（NAD）的需求、β-半乳糖苷酶活性和麦芽糖发酵外，与副鸡嗜血杆菌感染表现出极大的表型相似性。脱氧核糖核酸-脱氧核糖核酸杂交证实与副鸡嗜血杆菌有高度的遗传相关性（DNA结合值，89%）。鸟嘌呤+胞嘧啶含量和基因组大小数据也支持将分类单元31菌株归类于副鸡嗜血杆菌种内。
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