November
2006
, Volume
96
, Number
11
Pages
1,175
-
1,178
Authors
A. A.
Bazzini
,
H. E.
Hopp
,
R. N.
Beachy
,
and
S.
Asurmendi
Affiliations
First, third, and fourth authors: Donald Danforth Plant Science Center, 975 North Warson Road, St. Louis, MO 6313; and first, second, and fourth authors: Instituto de Biotecnología, INTA Castelar, Las Cabañas y Los Reseros, B1712WAA Buenos Aires, Argentina
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RelatedArticle
Accepted for publication 16 June 2006.
Abstract
ABSTRACT
The expression of a gene that encodes coat protein (CP) of Potato virus X (PVX) in transgenic tobacco plants confers a high level of CP-mediated rresistance (CP-MR) against PVX infection. To determine if posttranscriptional gene silencing (PTGS) plays a role in resistance, transgenic plants expressing PVX CP were challenged against PVX under conditions in which PTGS was suppressed by low temperatures or using viruses carrying PTGS suppressors. The data demonstrate that PTGS does not play a significant role in PVX CP-MR.
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ArticleCopyright
The American Phytopathological Society, 2006
