Nucleic Acids Research, 1984, Vol. 12, No. 2 933-943
© 1984
MOLECULAR BIOLOGY |
Translational strategy of Solanum nodiflorum mottle virus RNA: synthesis of a coal protein precursor in vitro and in vivo
MRC Laboratory of Molecular Biology Hills Road, Cambridge, CB2 2QH, UK
Received November 4, 1983. Accepted November 28, 1983.
Solanum nodiflorum mottle virus RMA (M=1.5 x 106) was translated in vitro in a wheat embryo extract. Four major products were synthesized: 2 related proteins of molecular weight 100K (P100) and 67K (P67), a protein of molecular weight 38K (p38), and a methionine-lacking protein of molecular weight 28K (p28). P38 was synthesized by a minor RNA component (N
0.4 x 106 ) and comigrated with the only viral product detected in SNMV-infected N. clevelandii protoplasts. Antiserum raised against purified SNMV virions precipitated both in vitro and in vivo-synthesized P38, suggesting that it is either a precursor to or an intact form of SNMV coat protein whose apparent molecular weight in purified virus preparations is 30K.
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