Abstract:
:An immunological relationship was detected between the coat protein of the common (U1) strain of tobacco mosaic virus (TMV) and the large subunit of the ubiquitous CO2-fixing host enzyme, ribulose-1,5-biphosphate carboxylase (RuBisCo). When assayed by Western immunoblotting or indirect ELISA, polyclonal antisera to TMV coat protein and to RuBisCo reacted with both antigens. In addition, a monoclonal antibody specific for the C-terminal antigenic determinant of TMV coat protein reacted with RuBisCo. Conversely, several monoclonal antibodies generated to the large subunit of RuBisCo reacted with TMV coat protein. This cross-reactivity was verified by an examination of the amino acid sequences of both proteins. A region of homology was found between the carboxy proximal portion of coat protein and the sequence 60-73 residues from the amino terminus of RuBisCo large subunit. This homology was not mirrored at the nucleic acid level because of different codon usages for the two proteins.
journal_name
Virologyjournal_title
Virologyauthors
Dietzgen RG,Zaitlin Mdoi
10.1016/0042-6822(86)90186-8subject
Has Abstractpub_date
1986-11-01 00:00:00pages
262-6issue
1eissn
0042-6822issn
1096-0341journal_volume
155pub_type
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