Genetic analysis of tolerance to photo-oxidative stress induced by high light in winter wheat (Triticum aestivum L.)

Journal of Genetics and Genomics = Yi Chuan Xue Bao
Hongwei LiZhensheng Li

Abstract

High light induced photooxidation (HLIP) usually leads to leaf premature senescence and causes great yield loss in winter wheat. In order to explore the genetic control of wheat tolerance to HLIP stress, a quantitative trait loci (QTL) analysis was conducted on a set of doubled haploid population, derived from two winter wheat cultivars. Actual values of chlorophyll content (Chl), minimum fluorescence level (Fo), maximum fluorescence level (Fm), and the maximum quantum efficiency of photosystem II (Fv/Fm) under both HLIP and non-stress conditions as well as the ratios of HLIP to non-stress were evaluated. HLIP considerably reduced Chl, Fm, and Fv/Fm, but increased Fo, compared with that under non-stress condition. A total of 27, 16, and 28 QTLs were associated with the investigated traits under HLIP and non-stress and the ratios of HLIP to non-stress, respectively. Most of the QTLs for the ratios of HLIP to non-stress collocated or nearly linked with those detected under HLIP condition. HLIP-induced QTLs were mapped on 15 chromosomes, involving in 1A, 1B, 1D, 2A, 2B, 2D, 3A, 3B, 4A, 4D, 5B, 6A, 6B, 7A, and 7D while those expressed under non-stress condition involved in nine chromosomes, including 1B, 1D, 2A, 2B, 3B, 4A, 5A, 5B,...Continue Reading

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Citations

Sep 6, 2011·Functional & Integrative Genomics·Stuart J LucasHikmet Budak
Mar 26, 2011·Trends in Plant Science·Pádraic J FloodMark G M Aarts
Dec 8, 2015·Molecular Genetics and Genomics : MGG·Arnaud Cheuk, Mario Houde
Jan 25, 2014·Journal of Integrative Plant Biology·Hongwei LiZhensheng Li
Nov 22, 2011·Journal of Integrative Plant Biology·Hongwei LiZhensheng Li
Nov 6, 2018·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Benedict C OyigaAgim Ballvora
Oct 24, 2012·Applied Biochemistry and Biotechnology·Shweta Mehrotra, Vinod Goyal
Oct 19, 2017·Plant, Cell & Environment·Franklin Magnum de Oliveira SilvaAdriano Nunes-Nesi

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