Three QTLs from Lycopersicon peruvianum confer a high level of resistance to Clavibactermichiganensis ssp. michiganensis

Heusden, A.W. van; Koornneef, M.; Voorrips, Roeland E.; Brüggemann, Wolfgang; Pet, G.; Ginkel, R. Vrielink-van; Chen, X.; Lindhout, P.

doi:10.1007/s001220051416

Cited by 64 publications

(40 citation statements)

References 12 publications

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“…A distortion rate (55%) similar to our result was previously reported by Van Heusden et al (1999) using a different subset of F2 progeny from the same cross with S. arcanum LA2157. The aberrant segregation on chromosomes 2, 4, 7, and 8 toward S. arcanum alleles was also previously reported by Van Heusden et al (1999). Additionally, an excess in heterozygotes was observed on chromosome 9, as was also observed by Fulton et al (1997) in a cross with S. arcanum LA1708 (syn.…”

Section: Linkage Analysissupporting

confidence: 90%

“…L. pimpinellifolium), a species closely related with the cultivated tomato (Grandillo and Tanksley 1996;Chen and Foolad 1999). A distortion rate (55%) similar to our result was previously reported by Van Heusden et al (1999) using a different subset of F2 progeny from the same cross with S. arcanum LA2157. The aberrant segregation on chromosomes 2, 4, 7, and 8 toward S. arcanum alleles was also previously reported by Van Heusden et al (1999).…”

Section: Linkage Analysissupporting

confidence: 89%

“…In glasshouse tests, the average lesion size (LS) was only 1.4 mm 2 compared to 23.0-108.0 mm 2 on susceptible tomato accessions. S. arcanum LA2157 is known as resistance source to other pathogens, including bacterial canker (Sandbrink et al 1995;Van Heusden et al 1999), and root knot nematode (Veremis et al 1999). The cross with Solanum lycopersicum (syn.…”

Section: Introductionmentioning

confidence: 99%

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QTL identification for early blight resistance (Alternaria solani) in a Solanum lycopersicum × S. arcanum cross

Chaerani

Smulders²,

Linden³

et al. 2006

Theor Appl Genet

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Alternaria solani (Ellis and Martin) Sorauer, the causal agent of early blight (EB) disease, infects aerial parts of tomato at both seedling and adult plant stages. Resistant cultivars would facilitate a sustainable EB management. EB resistance is a quantitatively expressed character, a fact that has hampered effective breeding. In order to identify and estimate the effect of genes conditioning resistance to EB, a quantitative trait loci (QTL) mapping study was performed in F2 and F3 populations derived from the cross between the susceptible Solanum lycopersicum (syn. Lycopersicon esculentum) cv. 'Solentos' and the resistant Solanum arcanum (syn. Lycopersicon peruvianum) LA2157 and genotyped with AFLP, microsatellite and SNP markers. Two evaluation criteria of resistance were used: measurements of EB lesion growth on the F2 plants in glasshouse tests and visual ratings of EB severity on foliage of the F3 lines in a field test. A total of six QTL regions were mapped on chromosomes 1, 2, 5-7, and 9 with LOD scores ranging from 3.4 to 17.5. Three EB QTL also confer resistance to stem lesions in the field, which has not been reported before. All QTL displayed significant additive gene action; in some cases a dominance effect was found. Additive · additive epistatic interactions were detected between one pair of QTL. For two QTL, the susceptible parent contributed resistance alleles to both EB and stem lesion resistance. Three of the QTL showed an effect in all tests despite methodological and environmental differences.

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Section: Linkage Analysissupporting

confidence: 90%

Section: Linkage Analysissupporting

confidence: 89%

Section: Introductionmentioning

confidence: 99%

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QTL identification for early blight resistance (Alternaria solani) in a Solanum lycopersicum × S. arcanum cross

Chaerani

Smulders²,

Linden³

et al. 2006

Theor Appl Genet

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“…Such a strategy has been successfully applied for identifying quantitative resistance against several fungal and bacterial diseases in tomato (Bai et al 2003;Foolad et al 2002;van Heusden et al 1999). Once identiWed, desirable QTLs can be introgressed rapidly into elite cultivars by marker-assisted selection (MAS) (Tanksley et al 1998).…”

Section: Introductionmentioning

confidence: 99%

Three QTLs for Botrytis cinerea resistance in tomato

et al. 2006

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Tomato (Solanum lycopersicum) is susceptible to grey mold (Botrytis cinerea). Partial resistance to this fungus was identiWed in accessions of wild relatives of tomato such as S. habrochaites LYC4. In order to identify loci involved in quantitative resistance (QTLs) to B. cinerea, a population of 174 F 2 plants was made originating from a cross between S. lycopersicum cv. Moneymaker and S. habrochaites LYC4. The population was genotyped and tested for susceptibility to grey mold using a stem bioassay. Rbcq1, a QTL reducing lesion growth (LG) and Rbcq2, a QTL reducing disease incidence (DI) were identiWed. Rbcq1 is located on Chromosome 1 and explained 12% of the total phenotypic variation while Rbcq2 is located on Chromosome 2 and explained 15% of the total phenotypic variation. Both QTL eVects were conWrmed by assessing disease resistance in two BC 2 S 1 progenies segregating for either of the two QTLs. One additional QTL, Rbcq4 on Chromosome 4 reducing DI, was identiWed in one of the BC 2 S 1 progenies. F 2 individuals, homozygous for the Rbcq2 and Rbcq4 alleles of S. habrochaites showed a reduction of DI by 48%. QTLs from S. habrochaites LYC4 oVer good perspectives for breeding B. cinerea resistant tomato cultivars.

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“…The disease manifests itself by the wilting of leaves, reduced fruit production and early plants death (Sandbrink et al 1995). Van Heusden et al (1999) using RFLP and SCAR markers mapped three QTLs: Rcm5.0, Rcm7.1, Rcm9.0 located on chromosome 5, 7 and 9. Kabelka et al (2002) using RFLP markers, found two QTL: Rcm2.0 on chromosome 2 and Rcm5.1 on chromosome 5.…”

Section: Bacterial Diseasementioning

confidence: 99%

Tomato Molecular Markers

Szczechura

Staniaszek

Habdas

2011

Journal of Fruit and Ornamental Plant Research

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SummaryTomato (Solanum lycopersicum L.) is one of the most popular vegetable grown in many regions of the world. Due to its high taste quality and nutritional value increase interest in the cultivation of this species and its consumption. Using the latest achievements in fields of genetics, molecular biology and biotechnology, breeders can create new varieties with improved useful traits. Introduction of DNA markers, especially those based on the polymerase chain reaction (PCR) has led to breakthrough in the plants genetic research, including tomato. They are successfully used for plant genomes mapping, phylogenetics studies, selection of parental forms in plant breeding, and above all to identify the genes of important traits. For tomato have been identified and mapped 9309 molecular markers. High-density genetic maps development gives an opportunity to use them in genetic research and breeding programs. Identification of DNA markers closely linked to studied gene can significantly facilitate the identification of desirable traits in material breeding, or accelerate the plants selection for elimination of genotypes with undesirable genes. Material breeding selection using molecular markers, defined as MAS (marker-assisted-selection) is increasingly being used in tomato breeding programs, contributing to facilitated identification of genes or QTL and their transfer into the cultivated species from wild form.

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Three QTLs from Lycopersicon peruvianum confer a high level of resistance to Clavibactermichiganensis ssp. michiganensis

Cited by 64 publications

References 12 publications

QTL identification for early blight resistance (Alternaria solani) in a Solanum lycopersicum × S. arcanum cross

QTL identification for early blight resistance (Alternaria solani) in a Solanum lycopersicum × S. arcanum cross

Three QTLs for Botrytis cinerea resistance in tomato

Tomato Molecular Markers

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