1887

Abstract

We present evidence that rice tungro spherical virus (RTSV) has a genome of polyadenylated single-stranded RNA of about 10 kb whereas rice tungro bacilliform virus (RTBV) contains double-stranded circular DNA. RTBV DNA has been mapped and shown to have two discontinuities, one in each strand, at specific sites; it thus resembles that of the caulimo-viruses. Gel electrophoresis of RTSV preparations revealed two protein bands ( 35K and 26K). RTBV yielded two major protein bands of 37K and 33K together with several minor species of higher and lower which react with antiviral serum.

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1991-04-01
2022-09-25
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