While all the M10 -expressing cell lines remained infectable by HIV-1 , these same cells failed to support a productive replication cycle when infected with a cloned isolate of HIV-1 .
while all the m10 -expressing cell lines remained infectable by hiv-1 , these same cells failed to support a productive replication cycle when infected with a cloned isolate of hiv-1 .
O O O B-protein_molecule O O O O O O B-virus O O O O O O O O O O O O O O O O O O B-virus O