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Titolo:
Overcoming host- and pathogen-mediated resistance in tomato and tobacco maps to the M RNA of Tomato spotted wilt virus
Autore:
Hoffmann, K; Qiu, WP; Moyer, JW;
Indirizzi:
N Carolina State Univ, Dept Plant Pathol, Raleigh, NC 27695 USA N CarolinaState Univ Raleigh NC USA 27695 Pathol, Raleigh, NC 27695 USA DLO, Res Inst Plant Protect, Dept Virol, NL-6700 GW Wageningen, Netherlands DLO Wageningen Netherlands NL-6700 GW NL-6700 GW Wageningen, Netherlands Texas A&M Univ, Dept Plant Pathol & Microbiol, College Stn, TX 77843 USA Texas A&M Univ College Stn TX USA 77843 robiol, College Stn, TX 77843 USA
Titolo Testata:
MOLECULAR PLANT-MICROBE INTERACTIONS
fascicolo: 2, volume: 14, anno: 2001,
pagine: 242 - 249
SICI:
0894-0282(200102)14:2<242:OHAPRI>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
VIRAL NUCLEOCAPSID GENE; N-GENE; NICOTIANA-BENTHAMIANA; TOSPOVIRUS RESISTANCE; S-RNA; LYCOPERSICON-ESCULENTUM; NUCLEOTIDE-SEQUENCE; GENOME REASSORTMENT; DISEASE RESISTANCE; MOLECULAR-BIOLOGY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
70
Recensione:
Indirizzi per estratti:
Indirizzo: Moyer, JW N Carolina State Univ, Dept Plant Pathol, Box 7616, Raleigh, NC 27695 USA N Carolina State Univ Box 7616 Raleigh NC USA 27695 NC 27695 USA
Citazione:
K. Hoffmann et al., "Overcoming host- and pathogen-mediated resistance in tomato and tobacco maps to the M RNA of Tomato spotted wilt virus", MOL PL MICR, 14(2), 2001, pp. 242-249

Abstract

A viral genetic system was used to map the determinants of the ability of Tomato spotted wilt virus (TSWV) to overcome the R gene (Sw-5) in tomato and the resistance conferred by the nucleocapsid gene of TSWV (N gene) in tobacco. A complete set of reassortant genotypes was generated from TSWV isolates A and D. TSWV-A was able to overcome the Sw-5 gene in tomato and the TSWV N gene in tobacco, whereas TSWV-D was repressed by both forms of resistance. The ability to overcome both forms of resistance was associated with the M RNA segment of TSWV-A (M-A). Overcoming the Sw-5 gene was linked solely to the presence of M-A, and the ability of M-A to overcome the TSWV N gene was modified by the L RNA and the S RNA of TSWV-A, which is consistent with previous reports that suggest that the nucleocapsid gene is not the primary determinant for overcoming the nucleocapsid-mediated resistance. Sequence analysis of the M RNA segment of TSWV-A, -D, and the type isolate BR-01 revealed multiple differences in the coding and noncoding regions, which prevented identification of the resistance-breaking nucleotide sequences.

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Documento generato il 05/04/20 alle ore 11:21:20