title: Comparison of coat protein epitopes of two zucchini yellow mosaic virus isolates.
abstract: Serological differences between two zucchini yellow mosaic virus (ZYMV) isolates (ZYMV-169 and ZYMV-M) obtained from two distinct geographical locations in Japan were determined by mapping epitopes on the coat proteins (CPs) of the two isolates. A total of 45 monoclonal antibodies (MAbs) against the two isolates were produced and the epitopes on the CPs were delineated by reacting these MAbs with trypsin-treated ZYMV particles and Escherichia coli-expressed ZYMV CP fragments. Six MAbs of groups I-a and I-b, specific for ZYMV-169, recognised two epitopes in the N-terminal region at amino acids (aa) 1-28 and 6-41 of ZYMV-169 CP. Fourteen MAbs of group II, specific for ZYMV-M, recognised epitopes in the N-terminal region of ZYMV-M CP. Twenty-one MAbs of groups III-a, III-b(i), III-b(ii), and III-b(iii), reacting with both isolates, recognised four epitopes; one epitope was located in the N-terminal region at aa 6-28 and the remaining three epitopes were located in the core region at aa 42-95, 171-227 and 228-259 of ZYMV CPs.
authors.affiliation: Laboratory of Plant Virology, Faculty of Agriculture, Saga University, Japan.
authors.forename: A K
authors.initials: AK
authors.lastname: Kundu
authors.forename: K
authors.initials: K
authors.lastname: Ohshima
authors.forename: N
authors.initials: N
authors.lastname: Sako
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D000911:Antibodies, Monoclonal / Q000096:biosynthesis / Q000276:immunology; D000914:Antibodies, Viral / Q000096:biosynthesis; D000956:Antigens, Viral / Q000276:immunology; D015153:Blotting, Western; D002213:Capsid / Q000276:immunology*; D019662:Cucurbitaceae / Q000821:virology*; D018604:Epitope Mapping; D005260:Female; D051379:Mice; D008807:Mice, Inbred BALB C; D008969:Molecular Sequence Data; D010446:Peptide Fragments / Q000138:chemical synthesis; D010935:Plant Diseases / Q000821:virology; D017800:Potyvirus / Q000276:immunology* / Q000302:isolation & purification*; D011817:Rabbits
chemical_list: D000911:Antibodies, Monoclonal; D000914:Antibodies, Viral; D000956:Antigens, Viral; D010446:Peptide Fragments