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Advanced backcross QTL analysis for the identification of quantitative trait loci alleles from wild relatives of wheat (Triticum aestivum L.).
Theor Appl Genet. 2003 May; 106(8):1379-89.TA

Abstract

Advanced backcross QTL (AB-QTL) analysis was used to identify quantitative trait loci (QTLs) for yield and yield components in a BC(2)F(2) population derived from a cross between the German winter wheat variety 'Prinz' and the synthetic wheat line W-7984 developed by CIMMYT. Two hundred and ten microsatellite markers were employed to genotype 72 pre-selected BC(2)F(2) plants and phenotypic data were collected for five agronomic traits from corresponding BC(2)F(3) families that were grown at four locations in Germany. Using single-marker regression and interval mapping, a total of 40 putative QTLs derived from W-7984 were detected, of which 11 were for yield, 16 for yield components, eight for ear emergence time and five for plant height. For 24 (60.0%) of them, alleles from the synthetic wheat W-7984 were associated with a positive effect on agronomic traits, despite the fact that synthetic wheat was overall inferior with respect to agronomic appearance and performance. The present study indicated that favorable QTL alleles could be transferred from wild relatives of wheat into an elite wheat variety for improvement of quantitative trait loci like yield by the advanced backcross QTL strategy and molecular breeding. To our knowledge, the results presented here were the first report on AB-QTL analysis in wheat.

Authors+Show Affiliations

Institut für Pflanzengenetik und Kulturpflanzenforschung (IPK), Corrensstrasse. 3, D-06466 Gatersleben, Germany.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

12750781

Citation

Huang, X Q., et al. "Advanced Backcross QTL Analysis for the Identification of Quantitative Trait Loci Alleles From Wild Relatives of Wheat (Triticum Aestivum L.)." TAG. Theoretical and Applied Genetics. Theoretische Und Angewandte Genetik, vol. 106, no. 8, 2003, pp. 1379-89.
Huang XQ, Cöster H, Ganal MW, et al. Advanced backcross QTL analysis for the identification of quantitative trait loci alleles from wild relatives of wheat (Triticum aestivum L.). Theor Appl Genet. 2003;106(8):1379-89.
Huang, X. Q., Cöster, H., Ganal, M. W., & Röder, M. S. (2003). Advanced backcross QTL analysis for the identification of quantitative trait loci alleles from wild relatives of wheat (Triticum aestivum L.). TAG. Theoretical and Applied Genetics. Theoretische Und Angewandte Genetik, 106(8), 1379-89.
Huang XQ, et al. Advanced Backcross QTL Analysis for the Identification of Quantitative Trait Loci Alleles From Wild Relatives of Wheat (Triticum Aestivum L.). Theor Appl Genet. 2003;106(8):1379-89. PubMed PMID: 12750781.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Advanced backcross QTL analysis for the identification of quantitative trait loci alleles from wild relatives of wheat (Triticum aestivum L.). AU - Huang,X Q, AU - Cöster,H, AU - Ganal,M W, AU - Röder,M S, Y1 - 2003/02/11/ PY - 2002/05/21/received PY - 2002/10/18/accepted PY - 2003/5/17/pubmed PY - 2004/2/5/medline PY - 2003/5/17/entrez SP - 1379 EP - 89 JF - TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik JO - Theor Appl Genet VL - 106 IS - 8 N2 - Advanced backcross QTL (AB-QTL) analysis was used to identify quantitative trait loci (QTLs) for yield and yield components in a BC(2)F(2) population derived from a cross between the German winter wheat variety 'Prinz' and the synthetic wheat line W-7984 developed by CIMMYT. Two hundred and ten microsatellite markers were employed to genotype 72 pre-selected BC(2)F(2) plants and phenotypic data were collected for five agronomic traits from corresponding BC(2)F(3) families that were grown at four locations in Germany. Using single-marker regression and interval mapping, a total of 40 putative QTLs derived from W-7984 were detected, of which 11 were for yield, 16 for yield components, eight for ear emergence time and five for plant height. For 24 (60.0%) of them, alleles from the synthetic wheat W-7984 were associated with a positive effect on agronomic traits, despite the fact that synthetic wheat was overall inferior with respect to agronomic appearance and performance. The present study indicated that favorable QTL alleles could be transferred from wild relatives of wheat into an elite wheat variety for improvement of quantitative trait loci like yield by the advanced backcross QTL strategy and molecular breeding. To our knowledge, the results presented here were the first report on AB-QTL analysis in wheat. SN - 0040-5752 UR - https://www.unboundmedicine.com/medline/citation/12750781/Advanced_backcross_QTL_analysis_for_the_identification_of_quantitative_trait_loci_alleles_from_wild_relatives_of_wheat__Triticum_aestivum_L___ L2 - https://dx.doi.org/10.1007/s00122-002-1179-7 DB - PRIME DP - Unbound Medicine ER -