Genetic analysis of commelina yellow mottle virus (CoYMV)
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Minnesota: Faculty of the Graduate School of the University of Minnesota, 1993. 72 p.
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E. E. Santa Catalina
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2 p.
Abstract
Commelina yellow mottle virus (CoYMV) is the type member
of the badnavirus group, a newly-recognized plant virus genus
whose members have a circular noncovalently closed dsDNA
genome encapsidated in non-enveloped bacilliform particles.
The CoYMV genome is 7.4 kb in size and contains three open
reading frames (ORF's) , designated as ORF I, ORF II and ORF
III, respectively. Only a portion of ORF III has a known
function. Using site-directed mutagenesis, possible functions
for ORF I, ORF II and the N-terminal portion of ORF III were
investigated. Deletions at the beginning and at the end of
ORF I did not have a significant effect on major virus
functions (replication and movement).