Use of antibodies directed against synthetic peptides for identifying cDNA clones, establishing reading frames, and deducing the gene order of measles virus

C. D. Richardson, A. Berkovich, S. Rozenblatt, W. J. Bellini

Research output: Contribution to journalArticlepeer-review

Abstract

A number of cDNA clones complementary to measles virus mRNA and 50S genome RNA have been generated. These clones have been mapped by restriction enzyme analysis and were subsequently sequenced by the method of Maxam and Gilbert (A.M. Maxam and W. Gilbert, Methods Enzymol. 65:499-560, 1980). Computer analysis of these DNA sequences revealed open reading frames which potentially could code for a number of gene products. Portions of these putative polypeptides were synthesized, and rabbit antibodies directed against peptide-hemocyanin conjugates were produced. These antibodies were used to immunoprecipitate virus-specific polypeptides which were identified by sodium dodecyl sulfate-polyacrylamide gel electrohoresis. For each of the antisera tested, a unique protein was precipitated whose migration on polyacrylamide gel corresponded to standard gene products identified by monoclonal antibodies and antisera against measles virus. By using this method, we were able to assign the coding regions of cDNA clones to specific protein products and, subsequently, to order the genes of the 3'-terminal third of measles genome RNA.

Original languageEnglish
Pages (from-to)186-193
Number of pages8
JournalJournal of Virology
Volume53
Issue number4
StatePublished - 1985
Externally publishedYes

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