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Journal of Virology 1975-Aug

Fish rhabdoviruses: comparative study of protein structure.

Ní féidir ach le húsáideoirí cláraithe ailt a aistriú
Logáil Isteach / Cláraigh
Sábháiltear an nasc chuig an gearrthaisce
G Lenoir
P de Kinkelin

Keywords

Coimriú

Proteins from four fish rhabdoviruses have been studied by sodium dodecyl sulfate-polyacrylamide gel electrophoresis. The viruses were: trout viral hemorrhagic septicemia (VHS), infectious hematopoietic necrosis virus (IHN), spring viremia virus of carp (SVC), and the pike fry rhabdovirus (PFR). For the two salmonid viruses (VHS-IHN), gel electrophoresis indicated the proteins, with molecular weights estimated to be 190,000, 80,000, 38,000, 25,000, and 19,000, respectively. The electrophoretic profile of the two other viruses (SVC-PFR) revealed four major proteins with molecular weights of 190,000 80,000 42,000 and 21,000, respectively. In this case a minor component with 50,000 daltons was found. For each virus only one protein was found to be glycosylated, i.e., the one with a molecular weight of 80,000. A major protein (molecular weight between 38,000 and 42,000) was found to be associated with the nucleocapsid. All these results revealed marked similarities in protein structure between the four fish rhabdoviruses and the previously well-characterized members of rhabdovirus group. However, one can distinguish two groups of viruses: the first one is composed of salmonid viruses (VHS and IHN) with a protein structure comparable to that of rabies virus and potato yellow dwarf virus; the second one is composed of carp and pike viruses, having a protein structure very similar to that of vesicular stomatitis virus.

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