November
1997
, Volume
10
, Number
8
Pages
1,015
-
1,018
Authors
Hiroshi
Hamamoto
,
1
Yuichiro
Watanabe
,
2
Hiroshi
Kamada
,
1
and
Yoshimi
Okada
2
Affiliations
1Gene Experiment Center, University of Tsukuba, Ten-noh Dai 1-1-1, Tsukuba, Ibaraki 305; 2Department of Biosciences, Faculty of Science and Engineering, Teikyo University, Toyosatodai 1-1, Utsunomiya, To-chigi 320, Japan
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Accepted 16 July 1997.
Abstract
Introduction of a single amino acid substitution (Gln979 to Ile) into the 130- and 180-kDa proteins of tomato mosaic tobamovirus (ToMV) rendered the mutant virtually unable to replicate in tomato cells while it replicated perfectly in tobacco cells. The mechanism of this change in host specificity is discussed.
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© 1997 The American Phytopathological Society
