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  • 1
    Electronic Resource
    Electronic Resource
    RFLP-based mapping of the Sec-2 and Sec-5 loci encoding 75K γ-secalins of rye (1998)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 117 (1998), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: For mapping the Sec2 and Sec5 loci of rye which determine expression of 75K γ-secalins, a partial genetic map of chromosome 2R spanning 64 cM was constructed. The map was developed using an F2 population of 103 plants from a cross between two inbred lines. Both loci were mapped distally on the short arm of chromosome 2R and clearly tagged in relation to 12 restriction fragment length polymorphism (RFLP) markers. The Sec2 locus was localized between the Xiag57 and Xpsr109a loci in an 11 cM interval. The Sec5 locus co-segregated to Xiag57 and was tightly linked to the Sec2 locus at a map distance of 0.5cM.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0523.1998.tb01949.x
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  • 2
    Electronic Resource
    Electronic Resource
    Differences in recombination frequency during male and female gametogenesis in rye, Secale cereale L. (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 115 (1996), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0523.1996.tb00947.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Molecular mapping of major genes and quantitative trait loci determining flowering time in response to photoperiod in barley (2002)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 121 (2002), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Two major genes (eam8 and eam10) and two quantitative trait loci (QTL) determining flowering time in barley were associated with restriction fragment length polymorphism markers. The loci eam8 and eam10 were found to map in regions of chromosomes 1HL and 3HL, respectively, already estimated from previous classical linkage analyses. While investigating doubled haploid lines of a spring habit barley mapping population, two QTL for flowering time were detected on chromosomes 1HL and 7HS, respectively, when the material was grown under long photoperiod conditions. When growing the same lines under short photoperiod, no QTL were discernible. Allelic and homoeologous relationships with flowering time loci described earlier in barley and other Triticeae species are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1439-0523.2002.00691.x
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  • 4
    Electronic Resource
    Electronic Resource
    About the origin of 1RS.1BL wheat-rye chromosome translocations from Germany (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 116 (1997), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: In order lo investigate the origin of two of the German 1RS. 1BL wheat-rye translocations used world-wide in breeding, a number of DNA probes were considered which (a) were critical for the short arm of the rye chromosome 1 R and (b) should show a specificity for the gene pool of Petkus rye. The DNA probe CDO580 was revealed as a specific one. (1) It clearly differentiated 1RS.1AL (‘Amigo’). 1RS.lBL (‘Salmon’) and 1RS.1DL (‘Gabo’) from the two German sources. (2) Both translocation wheats deriving from the Weihenstephan (Munich) and from the Salzmünde (Halle/S.) origin showed an identical DNA fragment which was typical for the gene pool of Petkus rye. It is supposed that both German sources have one progenitor in common.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0523.1997.tb02186.x
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  • 5
    Electronic Resource
    Electronic Resource
    Intrachromosomal mapping of genes for dwarfing (Rht12) and vernalization response (Vrn1) in wheat by using RFLP and microsatellite markers (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 116 (1997), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: For intrachromosomal mapping of the dominant GA-sensitive dwarfing gene Rht12 and the vernalization response gene Vrn1 on chromosome 5 A, an F2 population was established using a wide (synthetic) wheat cross. In addition to restriction fragment length polymorphism (RFLP) probes four microsatellite markers were incorporated. Rht12 was mapped distally to four RFLP loci (Xmwg616, Xpsr164, Xwg114, Xpsr1201) and three microsatellite markers (Xgwm179, Xgwm410, Xgwm291), known to be located on the segment of chromosome SAL which was ancestrally translocated and is homoeologous to Triticeae 4 L. The map position of Rht12 suggests that it is homoeologous to the dominant GA-sensitive dwarfing gene Ddw1, present on chromosome 5RL. The vernalization response gene Vrn1 showed linkage to Xwg644, as might be expected from comparative maps.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0523.1997.tb00987.x
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  • 6
    Electronic Resource
    Electronic Resource
    Mapping the GA3-insensitive dwarfing gene ct1 on chromosome 7 in rye (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 114 (1995), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: A gibberellic acid-insensitive dwarfing gene in rye (ct1) was mapped in an F2 population on chromosome 7R close to the centromere. Two RFLP markers were found, which flank the gene at distances of 1 and 3 cM, respectively. A total of 11 markers were mapped on 7R of which six cluster around the centromere and show segregation distortion in the case of the codominant markers. The ct1 gene is closely linked to copies of both α-amylase and EmBP, as is the ct2 gene on chromosome 5R. Because of the different chromosomal locations of the GA3-insensitive dwarfing genes in rye and wheat it is concluded that these genes are not homoeologous. This is supported by further differences in their phenotypic and genotypic expressions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0523.1995.tb00773.x
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  • 7
    Electronic Resource
    Electronic Resource
    Microsatellite mapping of the induced sphaerococcoid mutation genes in Triticum aestivum (2000)
    Springer
    Theoretical and applied genetics 100 (2000), S. 686-689 
    Details
    ISSN: 1432-2242
    Keywords: Key words Triticum aestivum ; Sphaerococcoid mutation ; S1, S2, S3 ; Microsatellite map
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  The S1, S2 and S3 genes of the induced sphaerococcoid mutation in common wheat (Triticum aestivum) were mapped using three different F2 populations consisting of 71–96 individual plants. Twenty-four microsatellite markers from homeologous group 3 of T. aestivum were used to map the S1, S2 and S3 genes on chromosomes 3D, 3B and 3A, respectively. The S1 locus was found to be closely linked to the centromeric marker Xgwm456 of the long arm (2.9 cM) and mapped not far (8.0 cM) from the Xgdm72 marker of the short arm of chromosome 3D. The S2 gene was tightly linked to 2 centromeric markers (Xgwm566, Xgwm845) of chromosome 3B. S3 was located between Xgwm2 (5.1 cM), the marker of the short arm, and Xgwm720 (6.6 cM), the marker of the long arm, both of chromosome 3A. Mapping the S1, S2 and S3 loci of the induced sphaerococcoid mutation near the centromeric regions supports the hypothesis that the sphaerococcum type may be due to gene duplication resulting from DNA recombination in the centromeric region.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220051340
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  • 8
    Electronic Resource
    Electronic Resource
    Microsatellites confirm the authenticity of inter-varietal chromosome substitution lines of wheat (Triticum aestivum L.) (2000)
    Springer
    Theoretical and applied genetics 101 (2000), S. 95-99 
    Details
    ISSN: 1432-2242
    Keywords: Keywords Wheat ; Chromosome substitutions ; Microsatellite markers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  Ninety-five wheat microsatellite markers (WMS) were used to verify the authenticity of the set of Saratovskaya 29/Yanetzkis Probat inter-varietal wheat chromosome substitution lines developed using Saratovskaya 29 as the recipient variety. Polymorphic markers were available for all chromosome arms except 4DS, 6DS and 7DS. Each chromosome substitution line was tested by 2–8 microsatellite markers. The results demonstrate that most of the lines are correct. Out of 21 lines tested 17 showed the expected microsatellite pattern of the donor variety. Two entire chromosomes, 1B and 7A, and two chromosome arms, 3AL and 6DS, were not substituted with Yanetzkis Probat in their respective lines. Three microsatellite markers located in the distal regions of chromosome arms 4AL, 3BS and 5BL in the corresponding substitution lines did not reveal the expected microsatellite pattern of the recipient variety. The possible causes of the incorrect substitution line development and the appearance of incorrect distal microsatellite markers are discussed. The data confirm the idea that microsatellite markers provide ideal tools for testing the authenticity of genetic stocks of wheat.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220051455
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  • 9
    Electronic Resource
    Electronic Resource
    Microsatellite analysis of Aegilops tauschii germplasm (2000)
    Springer
    Theoretical and applied genetics 101 (2000), S. 100-106 
    Details
    ISSN: 1432-2242
    Keywords: Key words Aegilops tauschii ; D genome ; Microsatellite markers ; Genetic diversity ; Germplasm
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  The highly polymorphic diploid grass Aegilops tauschii isthe D-genome donor to hexaploid wheat and represents a potential source for bread wheat improvement. In the present study microsatellite markers were used for germplasm analysis and estimation of the genetic relationship between 113 accessions of Ae. tauschii from the gene bank collection at IPK, Gatersleben. Eighteen microsatellite markers, developed from Triticum aestivum and Ae. tauschii sequences, were selected for the analysis. All microsatellite markers showed a high level of polymorphism. The number of alleles per microsatellite marker varied from 11 to 25 and a total of 338 alleles were detected. The number of alleles per locus in cultivated bread wheat germplasm had previously been found to be significantly lower. The highest levels of genetic diversity for microsatellite markers were found in accessions from the Caucasian countries (Georgia, Armenia and the Daghestan region of Russia) and the lowest in accessions from the Central Asian countries (Uzbekistan and Turkmenistan). Genetic dissimilarity values between accessions were used to produce a dendrogram of the relationships among the accessions. The result showed that all of the accessions could be distinguished and clustered into two large groups in accordance with their subspecies taxonomic classification. The pattern of clustering of the Ae. tauschii accessions is according to their geographic distribution. The data suggest that a relatively small number of microsatellites can be used to estimate genetic diversity in the germplasm of Ae. tauschii and confirm the good suitability of microsatellite markers for the analysis of germplasm collections.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220051456
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  • 10
    Electronic Resource
    Electronic Resource
    Locating introgressions of Hordeum bulbosum chromatin within the H. vulgare genome (2000)
    Springer
    Theoretical and applied genetics 100 (2000), S. 27-31 
    Details
    ISSN: 1432-2242
    Keywords: Key words Hordeum vulgare ; Hordeum bulbosum ; Leaf rust resistance ; Gene introgression ; In situ hybridization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  Several disease-resistant recombinants between barley (Hordeum vulgare) and bulbous barley grass (H. bulbosum) have been obtained in recent years, but the process of characterization is often laborious and time-consuming. In order to improve the identification and chromosomal location of introgressed chromatin from H. bulbosum into the barley genome, we employed sequential genomic in situ hybridization (GISH) and fluorescence in situ hybridization (FISH). GISH enabled us to establish that an introgression was present in the disease-resistant recombinant line, and the subsequent use of FISH, with a short oligonucleotide sequence as probe, allowed us to locate the introgression on the long arm of barley chromosome 2H. These data were confirmed using RFLP probes that hybridize to barley chromosome 2HL.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00002904
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