Sequence homology within the morbilliviruses

S. Rozenblatt, O. Eizenberg, R. Ben-Levy, V. Lavie, W. J. Bellini

Research output: Contribution to journalArticlepeer-review


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 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 the reverse transcript of the mRNA coding for the nucleocapsid protein. The size of the mRNA species complementary to this insert is 1,850 nucleotides, as determined by the Northern technique. Hybridization experiments and heteroduplex mapping indicated homology between the central region of the CDV and measles virus nucleocapsid gene. The completion of the nucleotide sequence analysis of the measles virus gene allowed the reconstruction of the entire coding region of the measles virus gene and a comparison with the counterpart sequence of CDV. This comparison delineated three regions: (i) a region of high homology (nucleotides 501 to 1215), in which 77% of the nucleotides and 88% of the encoded amino acids are identical; (ii) a region of moderate homology at the 5' end of the message (nucleotides 1 to 500), in which 59% of the nucleotides and 66% of the encoded amino acids are identical; (iii) a region of little or no homology (nucleotides 1216 to 1625) near the 3' end of message.

Original languageEnglish
Pages (from-to)684-690
Number of pages7
JournalJournal of Virology
Issue number2
StatePublished - 1985
Externally publishedYes


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