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Article
The gametocidal chromosome as a tool for chromosome manipulation in wheat
Many alien chromosomes have been introduced into common wheat (the genus Triticum) from related wild species (the genus Aegilops). Some alien chromosomes have unique genes that secure their existence in the host ...
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Article
Characterization of genetic variation in and phylogenetic relationships among diploid Aegilops species by AFLP: incongruity of chloroplast and nuclear data
Intra- and inter-specific genetic variation was investigated in seven diploid Aegilops species using the amplified fragment length polymorphism (AFLP) technique. Of the seven species, the cross-pollinating Aegilo...
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Article
Transfer of rye chromosome segments to wheat by a gametocidal system
A gametocidal chromosome derived from Aegilops triuncialis (3C) induces chromosome mutations in gametes lacking the 3C chromosome in common wheat (Triticum aestivum L.). We combined 3C with chromosome 1R of rye (
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Article
Deletion-based physical map** of barley chromosome 7H
Chromosomal mutations in barley (Hordeum vulgare, 2n=2x=14, HH) chromosome 7H added to the common wheat (Triticum aestivum, 2n=6x=42, AABBDD) cultivar Chinese Spring were induced genetically by the gametocidal ac...
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Chapter
Expanding genetic maps: reevaluation of the relationship between chiasmata and crossovers
The paradigm of a 1:1 relationship between cytological chiasmata and genetic crossovers is widely accepted (see Jones, 1987, for review). Extensive literature on meiosis will not be reviewed here, but John (19...
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Article
Variation of starch granule proteins and chromosome map** of their coding genes in common wheat
Starch granule proteins (SGPs) of common wheat (Triticum aestivum L.) were analyzed by two electrophoretic techniques: sodium dodecyl sulphate polyacrylamide-gel electrophoresis (SDS-PAGE) and two-dimensional ele...
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Article
Cytologically based physical maps of the group 3 chromosomes of wheat
Cytologically based physical maps for the group 3 chromosomes of wheat were constructed by map** 25 Triticum aestivum deletion lines with 29 T. tauschii and T. aestivum RFLP probes. The deletion lines divide ch...
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Article
Cytologically based physical maps of the group-2 chromosomes of wheat
We have constructed cytologically based physical maps (CBPMs), depicting the chromosomal distribution of RFLP markers, of the group-2 chromosomes of common wheat (Triticum aestivum L. em Thell). Twenty-one homozy...
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Article
Characterization of deletions in common wheat induced by an Aegilops cylindrica chromosome: detection of multiple chromosome rearrangements
An Aegilops cylindrica chromosome induces terminal deletions of chromosomes in wheat as identified by C-banding. We are constructing high-density physical maps of wheat chromosomes and have detected additional ch...
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Article
Comparison of wheat physical maps with barley linkage maps for group 7 chromosomes
Comparative genetic maps among the Triticeae or Gramineae provide the possibility for combining the genetics, map** information and molecular-marker resources between different species. Dense genetic linkage...
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Article
A cytogenetic ladder-map of the wheat homoeologous group-4 chromosomes
We report the results of chromosome maps of wheat homoeologous chromosomes 4A, 4B, and 4D using 40 RFLP markers and 39 homozygous deletion lines. Deletion breakpoints divide the chromosomes into 45 subarm inte...
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Article
Waxy protein deficiency and chromosomal location of coding genes in common wheat
Deficiency of the wheat waxy (Wx) proteins (Wx-A1, Wx-B1 and Wx-D1) was studied in 1,960 cultivars derived from several countries. Gel electrophoretic analyses revealed that the null allele for the Wx-A1 prote...
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Article
A chromosome region-specific map** strategy reveals gene-rich telomeric ends in wheat
A strategy is described for rapid chromosome region-specific map** in hexaploid wheat (Triticum aestivum L. em. Thell., 2n=6x=42, AABBDD). The method involves allocation of markers to specific chromosome region...
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Article
Physical map** of the 18S.26S rRNA multigene family in common wheat: Identification of a new locus
In situ hybridization in conjunction with deletion map** was used to map physically the 18S.26S multigene rRNA family in Triticum aestivum L. cv. Chinese Spring. Using in situ hybridization, we report a new loc...