ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik1996
Genetic localization of four genes for nematode (Heterodera schachtii Schm.) resistance in sugar beet (Beta vulgaris L.).
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 38 citations in OpenAlex.
- A complete physical map of a wild beet (Beta procumbens) translocation in sugar beet.Molecular genetics and genomics : MGG · 2006Article
- Cloning and functional analyses of a gene from sugar beet up-regulated upon cyst nematode infection.Plant molecular biology · 2004Article
- Linkage mapping of Hsa-1(Og), a resistance gene of African rice to the cyst nematode, Heterodera sacchari.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2003Article
- Painting of parental chromatin in Beta hybrids by multi-colour fluorescent in situ hybridization.Annals of botany · 2002Article
- High-resolution mapping of YACs and the single-copy gene Hs1(pro-1) on Beta vulgaris chromosomes by multi-colour fluorescence in situ hybridization.Plant molecular biology · 2001Article
- Detection of alien chromatin conferring resistance to the beet cyst nematode (Heterodera schachtii Schm.) in cultivated beet (Beta vulgaris L.) using in situ hybridization.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 1997Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sugar beet (Beta vulgaris L.) is highly susceptible to the beet cyst nematode (Heterodera schachtii Schm.). Three resistance genes originating from the wild beets B. procumbens (Hs1 (pro-1)) and B. webbiana (Hs1 (web-1), Hs2 (web-7)) have been transferred to sugar beet via species hybridization. We describe the genetic localization of the nematode resistance genes in four different sugar beet lines using segregating F2 populations and RFLP markers from our current sugar beet linkage map. The mapping studies yielded a surprising result. Although the four parental lines carrying the wild beet translocations were not related to each other, the four genes mapped to the same locus in sugar beet independent of the original translocation event. Close linkage (0-4.6 cM) was found with marker loci at one end of linkage group IV. In two populations, RFLP loci showed segregation distortion due to gametic selection. For the first time, the non-randomness of the translocation process promoting gene transfer from the wild beet to the sugar beet is demonstrated. The data suggest that the resistance genes were incorporated into the sugar beet chromosomes by non-allelic homologous recombination. The finding that the different resistance genes are allelic will have major implications on future attempts to breed sugar beet combining the different resistance genes.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.