Journal ArticleDOI
RFLP-based genetic maps of wheat homoeologous group 7 chromosomes
TLDR
Restriction fragment length polymorphism (RFLP) mapping was attempted using 18 cDNA clones, 14 anonymous and 4 of known function, which had been shown to have homologous DNA sequences on the group 7 chromosomes of wheat.Abstract:
Restriction fragment length polymorphism (RFLP) mapping was attempted using 18 cDNA clones, 14 anonymous and 4 of known function, which had been shown to have homologous DNA sequences on the group 7 chromosomes of wheat. The loci identified by these probes have been mapped on one or more chromosomes in this homoeologous group using linkage data derived from various F2, random inbred, doubled haploid and single chromosome recombinant populations. The maps also include three isozyme loci, five disease resistance loci, two anthocyanin pigment loci and a vernalisation response locus. The mapping data have been used to determine the extent of map co-linearity over the A, B and D genomes, the degree of RFLP variability in the three genomes and the relative efficiency of various restriction enzymes in detecting RFLPs in wheat. The strategy for future mapping in wheat, particularly the use of “alien” genomes or segments, such as that from Aegilops ventricosa used here, is discussed.read more
Citations
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Journal ArticleDOI
A microsatellite map of wheat.
Marion S. Röder,V. Korzun,Katja Wendehake,Jens Plaschke,M. H. Tixier,Philippe Leroy,Martin W. Ganal +6 more
TL;DR: The isolation of microsatellite-containing clones from hypomethylated regions of the wheat genome increased the proportion of useful markers almost twofold and the development of highly polymorphic micros Satellite markers using procedures optimized for the large wheat genome is reported.
Journal ArticleDOI
A high-density microsatellite consensus map for bread wheat (Triticum aestivum L.)
TL;DR: This consensus map represents the highest-density public microsatellite map of wheat and is accompanied by an allele database showing the parent allele sizes for every marker mapped, which enables users to predict allele sizes in new breeding populations and develop molecular breeding and genomics strategies.
Journal ArticleDOI
The wheat and barley vernalization gene VRN3 is an orthologue of FT
Liuling Yan,Daolin Fu,Chin-Shang Li,Ann E. Blechl,G. Tranquilli,M. Bonafede,Alexandra Sanchez,Miroslav Valárik,S. Yasuda,Jorge Dubcovsky +9 more
TL;DR: It is shown that in these species, the vernalization gene VRN3 is linked completely to a gene similar to Arabidopsis FLOWERING LOCUS T (FT), which results in a transmissible signal that promotes flowering.
Journal ArticleDOI
Comparative genetics in the grasses
Michael D. Gale,Katrien M. Devos +1 more
TL;DR: In this paper, a detailed analysis of the comparative maps of seven species, belonging to three subfamilies, and their applications are described, together with their applications, are described.
Journal ArticleDOI
Cereal Genome Evolution: Grasses, line up and form a circle
TL;DR: The genomes of six major grass species can be aligned by dissecting the individual chromosomes into segments and rearranging these linkage blocks into highly similar structures.
References
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Molecular mapping of rice chromosomes.
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TL;DR: It is discovered that rice DNA is less C-methylated than tomato or maize DNA, suggesting the notion that a large fraction of the rice genome (approximately 50%) is single copy.
Journal ArticleDOI
RFLP Maps Based on a Common Set of Clones Reveal Modes of Chromosomal Evolution in Potato and Tomato.
TL;DR: Linkage maps based on a common set of restriction fragment length polymorphism markers provide a basis for uniting the previously separate disciplines of tomato and potato genetics and may now be possible to test theories about homologies or orthologies of other genes, including those coding for disease resistance and stress tolerances.