Orienting Linkage Maps on the Chromosomes of Barley<sup>1</sup>

Kramer, H. H.; Blander, Barbara A. Swomley

doi:10.2135/cropsci1961.0011183x000100050012x

Cited by 33 publications

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“…The three microsatellites HVWAXYG, HVCMA and HVPRP1B mapped on barley chromosome 1 as expected based upon the location of the underlying genes [14,22,38]. H V R C A B G and H V L E U were mapped on barley chromosome 4 and 7, respectively.…”

Section: Mappingsupporting

confidence: 60%

Barley microsatellites: allele variation and mapping

Becker¹,

Heun²

1995

Plant Mol Biol

235

104

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Microsatellites have developed into a powerful tool for mapping mammalian genomes and first reports about their use in plants have been published. A database search of 228 barley sequences from GenBank and EMBL was made to determine which simple sequence repeat (SSR) motif prevails in barley. Nearly all types of SSRs were found. The (A)n and (T)n SSRs occurred more often than (C)n and (G)n for n > or = 10. Among the dinucleotide repeats, the (CG)n SSRs occurred least often. Trinucleotide repeats did not occur with n > 7 and there is no correlation between the GC content in the trinucleotide motifs and the number of observed SSRs. Analysing 15 different microsatellites with 11 barleys yielded 2.1 alleles per microsatellite. Sequencing 25 putative microsatellites showed that the resolution capacity of high-quality agarose gels was sufficient to determine differences of only three base pairs. Five microsatellites were mapped on three different chromosomes of a barley RFLP map.

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Section: Mappingsupporting

confidence: 60%

Barley microsatellites: allele variation and mapping

Becker¹,

Heun²

1995

Plant Mol Biol

235

104

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“…Hanson & Kramer (1950) give a theoretical maximum of 3 % recombination between the breakpoint and the centromere, and Kramer & Blander (1961) report data from experiments by Ramage showing that such recombination in chromosome 6 rarely exceeded 2-3 % even when the breakpoint was in the distally located satellite region of the chromosome. Hanson & Kramer (1950) give a theoretical maximum of 3 % recombination between the breakpoint and the centromere, and Kramer & Blander (1961) report data from experiments by Ramage showing that such recombination in chromosome 6 rarely exceeded 2-3 % even when the breakpoint was in the distally located satellite region of the chromosome.…”

Section: Introductionmentioning

confidence: 99%

The production and assay of segmental substitution lines in barley

Gale

Rees

1971

Genet. Res.

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SUMMABYThe usual systems of assay using techniques of chromosome substitution demonstrated in Drosophila and wheat are not applicable to barley (Hordeum vulgare). Chromosomal material for assay may, however, be substituted from one variety into another by using translocations to mark and restrict crossing over in the chromosomes to be transferred. This paper describes the isolation and assay of lines derived in this way.Seven substitution lines derived from the donor variety Maris Badger and the recipient variety Mars have been scored for quantitative characters in two field trials.The results indicate that variation in flowering time and other associated characters is largely determined by genes on chromosome 2 and that chromosome 4 is involved in the control of plant height.The feasibility of the technique as a method of assaying the contributions of chromosomes to qualitative characters by substitution in a diploid is discussed.

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“…Two crosses of the same combination were studied in the present work and the recombination frequency was found to be 11.3 and 13.0 %, respectively (Table 16). If the correct value is about 13 %, Nn must be located distal to the breakpoint in Tl-5a because the crosses lack the marked reduction of crossing-over which is expected for genes proximal to the breakpoint (KRAMER and BLANDER, 1961 Tl-3e, Tl-3f and Tl-5i respectively (Table 12). Since all these translocations are broken in the long arm and since practically no crossovers occur in the interstitial segments, the crossover values must be an estimate of the A,2ac2-centromere region.…”

mentioning

confidence: 99%

An Attempt to Find Suitable Genetic Markers for Dense Ear Loci in Barley I

Persson¹

2009

Hereditas

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Orienting Linkage Maps on the Chromosomes of Barley¹

Cited by 33 publications

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Barley microsatellites: allele variation and mapping

Barley microsatellites: allele variation and mapping

The production and assay of segmental substitution lines in barley

An Attempt to Find Suitable Genetic Markers for Dense Ear Loci in Barley I

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Orienting Linkage Maps on the Chromosomes of Barley1

Cited by 33 publications

References 0 publications

Barley microsatellites: allele variation and mapping

Barley microsatellites: allele variation and mapping

The production and assay of segmental substitution lines in barley

An Attempt to Find Suitable Genetic Markers for Dense Ear Loci in Barley I

Contact Info

Product

Resources

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Orienting Linkage Maps on the Chromosomes of Barley¹