Phosphorus deficiency-induced root elongation and its QTL in rice (Oryza sativa L.)

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik
Akifumi ShimizuHiroshi Ikehashi

Abstract

A significant level of root elongation was induced in rice (Oryza sativa) grown under phosphorus-deficient conditions. The root elongation clearly varied among a total of 62 varieties screened under two different phosphorus levels. Two contrasting varieties, 'Gimbozu', with a low elongating response and 'Kasalath', with a high elongating response, were chosen and crossed to produce a hybrid population for QTL analyses. QTLs for the phosphorus deficiency-induced root elongation were detected by two linkage maps, i.e., one with 82 F3 families constructed by 97 simple sequence repeat (SSR) and sequence-tag site markers and another with 97 F8 lines by 790 amplified fragment length polymorphism and SSR markers. A single QTL for the elongation response was detected on chromosome 6, with a LOD score of 4.5 in both maps and explained about 20% of total phenotypic variance. In addition, this QTL itself, or a region tightly linked with it, partly explained an ability to reduce accumulation of excess iron in the shoots. The identified QTL will be useful to improve rice varieties against a complex nutritional disorder caused by phosphorus deficiency and iron toxicity.

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Citations

Jul 22, 2008·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Akifumi ShimizuHiroshi Ikehashi
Dec 26, 2009·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Joong Hyoun ChinSigrid Heuer
Mar 11, 2010·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Mei YangJinling Meng
Apr 15, 2010·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Mitsuhiro ObaraTomoyuki Yamaya
Aug 19, 2007·Plant Molecular Biology·Abdelbagi M IsmailMatthias Wissuwa
Nov 2, 2012·AoB Plants·K K Vinod, Sigrid Heuer
Mar 19, 2013·Journal of Experimental Botany·Sarah M Rich, Michelle Watt
Jun 6, 2008·Plant Physiology·Nicholas C CollinsRoberto Tuberosa
May 10, 2008·Plant Physiology·James T WardKashchandra G Raghothama
Mar 10, 2009·Biotechnology Advances·Madhusmita PanigrahyN Sarla
Mar 24, 2009·Journal of Genetics and Genomics = Yi Chuan Xue Bao·Junzhou LiZichao Li
Dec 6, 2014·The Plant Journal : for Cell and Molecular Biology·Yukika WadaTakashi Aoyama
Jan 15, 2014·Journal of Integrative Plant Biology·Zhaoliang ZhangWilliam J Lucas
Jun 19, 2013·Physiologia Plantarum·Jia ZhouXiurong Wang
Oct 16, 2015·Journal of Integrative Plant Biology·Xinxin LiHong Liao
May 18, 2016·Journal of Experimental Botany·Lili SunHong Liao
Dec 26, 2012·Annals of Botany·Yao Fang NiuYong Song Zhang
Aug 19, 2015·Scientific Reports·Poonam MehraJitender Giri
Sep 21, 2017·Biotechnology & Genetic Engineering Reviews·Sudip DasJulia S Yumnam
Jun 15, 2018·International Journal of Molecular Sciences·Jauhar AliZhikang Li
Jan 21, 2020·Journal of Experimental Botany·Sascha WaidmannJürgen Kleine-Vehn
Jan 11, 2020·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Zhihua ZhangChengcai Chu
Dec 6, 2018·BMC Plant Biology·Yan DingYulong Wang
Jan 12, 2021·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·V NirubanaJ Ramalingam
Jun 19, 2021·Planta·Bipin K PandeyPoonam Mehra
Mar 13, 2021·Journal of Integrative Plant Biology·Dong Liu

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