The nucleotide sequence of the region of human polyoma virus JC DNA between 0.5 and 0.7 map units from a unique EcoRI cleavage site was determined and compared with those of the corresponding regions of another human polyoma virus, BK, and simian virus 40 DNAs. Within this region consisting of 945 base pairs, we located the origin of DNA replication near 0.7 map units, the entire coding region ...

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We have isolated a simian virus 40 deletion mutant, F8dl, that lacks the sequences from 0.168 to 0.424 map units. The deleted sequences represent over 60% of the coding region for large T antigen. Despite this deletion, F8dl abortively transformed rat cells as efficiently as wild-type simian virus 40. From this result, we conclude that the region of the simian virus 40 genome between 0.168 and ...

A simple protocol for the rescue of a synthetic genome into a paramyxovirus has been developed. First, a synthetic Sendai virus-like RNA, containing the antisense coding region of the chloramphenicol acetyltransferase gene replacing the coding region of the Sendai virus genome, was transcribed from a cDNA. When introduced into cells that are infected with Sendai virus, this RNA construct was tr...

The pseudorabies virus vaccine strains Norden and Bartha each have been reported to have deletions in the small unique component of the genome (B. Lomniczi, M. L. Blankenship, and T. Ben-Porat, J. Virol. 49:970-979, 1984). The deletion in Norden was shown to delete the entire coding region for gI but not any of the coding sequences for gp63. However, gp63 in Norden-infected cells was only 36 ki...

Double-stranded cDNA synthesized from total polyadenylate-containing mRNA extracted from monkey kidney cells infected with canine distemper virus (CDV) was cloned into the PstI site of Escherichia coli plasmid pBR322. Clones containing CDV DNA were identified by hybridization to a CDV-specific 32P-labeled cDNA. A cDNA clone containing an insert 1,700 base pairs (CDV 364) has been identified as ...

A DNA complementary to the 3'-terminal 1168 nucleotides of the genome of the N strain of soybean mosaic virus (SMV) has been cloned and sequenced. cDNA sequence and coat protein analyses indicate that the SMV coat protein-coding region is at the 3' end of the genome, and that the coat protein is processed from a larger protein. The coat protein-coding sequence is predicted to be 795 nucleotides...