Fusobacterium necrophorum subsp. funduliformeおよびArcanobacterium pyogenesのマウス実験感染における共力作用

概要

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Synergism in vivo between Fusobacterium necrophorum subsp. funduliforme and Arcanobacterium pyogenes that are co-isolated from bovine liver abscess and heifer mastitis was investigated in three groups of two mono-infections and one mixed infection groups consisting of 5 mice each. Mortarity rate in the cases of F. necrophorum subsp. funduliforme mono-infection, A. pyogenes mono-infection and mixed sample infections was 0%,(0/5), 0%,(0/5)and 100%,(5/5), respectively. Liver abscess formation rate in the three groups was 40%,(2/5),20%,(1/5)and 100%,(5/5), respectively. Bacteria were recovered from one liver of an F. necrophorum subsp. funduliforme infected mouse, from two livers and one spleen, kidney and lung of an A. pyogenes infected mouse and from all livers, spleens, kidneys and lungs of mixed infectiongroup. It was suggested that there was synergism between F. necrophorum subsp. funduliforme and A.pyogenes in vivo.
宮崎大学の論文
2006-03-23