The Epstein-Barr virus ( EBV ) ORI1yt enhancer is not B-cell specific and does not respond synergistically to the EBV transcription factors R and Z .
the epstein-barr virus ( ebv ) ori1yt enhancer is not b-cell specific and does not respond synergistically to the ebv transcription factors r and z .
O B-virus I-virus O B-virus O O O O O B-other_name I-other_name O O O O O O O O O O O O O O