to investigate the role of 5 ' noncoding leader sequence of herpes simplex virus type 1 ( hsv-1 ) mrna in infected cells , the promoter for the 65,000-dalton virion stimulatory protein ( vsp ) , a beta-gamma polypeptide , was introduced into plasmids bearing the chloramphenicol acetyltransferase ( cat ) gene together with various lengths of adjacent viral leader sequences .
C0600493
leader sequence
C0007634
cells