under growth conditions where late transcription was not fully initiated ( tsa58 at 41 degrees c ; wild-type sv40 in the presence of 1-beta-d-arabinofuranosylcytosine ) , no sas-rna was produced , indicating that the expression of the sas-rna is regulated by a mechanism related to the control of late transcription .
C0035668
sas-rna
C0040649
expression