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Titolo:
Genome-wide dissection of Fusarium resistance in tomato reveals multiple complex loci
Autore:
Sela-Buurlage, MB; Budai-Hadrian, O; Pan, Q; Carmel-Goren, L; Vunsch, R; Zamir, D; Fluhr, R;
Indirizzi:
Weizmann Inst Sci, Dept Plant Sci, IL-76100 Rehovot, Israel Weizmann Inst Sci Rehovot Israel IL-76100 Sci, IL-76100 Rehovot, Israel Hebrew Univ Jerusalem, Fac Agr, Dept Field & Vegetable Crops, IL-76100 Rehovot, Israel Hebrew Univ Jerusalem Rehovot Israel IL-76100 , IL-76100 Rehovot, Israel Hebrew Univ Jerusalem, Fac Agr, Otto Warburg Ctr Biotechnol, IL-76100 Rehovot, Israel Hebrew Univ Jerusalem Rehovot Israel IL-76100 , IL-76100 Rehovot, Israel
Titolo Testata:
MOLECULAR GENETICS AND GENOMICS
fascicolo: 6, volume: 265, anno: 2001,
pagine: 1104 - 1111
SICI:
1617-4615(200108)265:6<1104:GDOFRI>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Soggetto:
F-SP LYCOPERSICI; DISEASE RESISTANCE; NUCLEOTIDE-BINDING; BACTERIAL WILT; GENE HOMOLOGS; EVOLUTION; ARABIDOPSIS; RACE; I2; IDENTIFICATION;
Keywords:
durable resistance; oligogenic resistance; resistance gene evolution; NBS-LRR;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
34
Recensione:
Indirizzi per estratti:
Indirizzo: Fluhr, R Weizmann Inst Sci, Dept Plant Sci, POB 26, IL-76100 Rehovot, Israel Weizmann Inst Sci POB 26 Rehovot Israel IL-76100 Rehovot, Israel
Citazione:
M.B. Sela-Buurlage et al., "Genome-wide dissection of Fusarium resistance in tomato reveals multiple complex loci", MOL GENET G, 265(6), 2001, pp. 1104-1111

Abstract

Resistance to different pathogenic races of Fusarium oxysporum f. sp. lycopersici (F. o. lycopersici) was explored at two genomic levels in tomato. Six independent Fusarium resistance loci were identified by comparing the responses of a complete set of 53 lines carrying different introgressed regions of the Lycopersicon pennellii genome in a L. esculentum background. The loci confer varying degrees of resistance to different races of the pathogen. Corresponding map positions from different tomato species were aligned and in some cases. revealed parallel resistance to F. o. lycopersici with qualitative changes in race specificities. One of the loci identified corresponds to the previously characterized complex resistance locus 12, which is involved in resistance to F. o. lycopersici race 2. A novel member of this locus, I2C-5, which belongs to the NBS-LRR family of resistance genes, was cloned and shown to confer partial resistance in transgenic plants. Thus, at a particular complex locus gene members can confer fall or partial resistance to F. o. lycopersici race 2. The results of our whole-genome mapping analysis underline the robust independent origin of resistance to a particular disease and demonstrate the conservation of resistance features at syntenic loci, together with the rapid diversification of genes for innate resistance within loci.

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Documento generato il 13/07/20 alle ore 12:33:33