Neutralizing and fusion-blocking antibodies induced by recombinant visna virus envelope glycoprotein.


A recombinant envelope glycoprotein derived from visna virus, a natural lentivirus pathogen of sheep, induced antibodies that neutralized cell-free virus and blocked virus-mediated cell-to-cell fusion. The visna virus envelope gene was subcloned into a baculovirus expression vector and was expressed in insect cells. A pair of guinea pigs were immunized with… (More)


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