Molecular identification of a major quantitative trait locus, qLTG3-1, controlling low-temperature germinability in rice.

Proceedings of the National Academy of Sciences of the United States of America
K FujinoMasahiro Yano

Abstract

Tolerance to abiotic stress is an important agronomic trait in crops and is controlled by many genes, which are called quantitative trait loci (QTLs). Identification of these QTLs will contribute not only to the understanding of plant biology but also for plant breeding, to achieve stable crop production around the world. Previously, we mapped three QTLs controlling low-temperature tolerance at the germination stage (called low-temperature germinability). To understand the molecular basis of one of these QTLs, qLTG3-1 (quantitative trait locus for low-temperature germinability on chromosome 3), map-based cloning was performed, and this QTL was shown to be encoded by a protein of unknown function. The QTL qLTG3-1 is strongly expressed in the embryo during seed germination. Before and during seed germination, specific localization of beta-glucuronidase staining in the tissues covering the embryo, which involved the epiblast covering the coleoptile and the aleurone layer of the seed coat, was observed. Expression of qLTG3-1 was tightly associated with vacuolation of the tissues covering the embryo. This may cause tissue weakening, resulting in reduction of the mechanical resistance to the growth potential of the coleoptile. These ...Continue Reading

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Citations

Feb 11, 2010·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Kiyosumi HoriMasahiro Yano
Apr 23, 2011·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Min LiSibin Yu
Jul 12, 2011·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Kenji Fujino, Natsuko Iwata
Jun 12, 2013·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Linfang LiJianmin Wan
Oct 24, 2009·Plant Molecular Biology·Kenji Fujino, Yasuyuki Matsuda
Mar 12, 2010·Proceedings of the National Academy of Sciences of the United States of America·Kazuhiko SugimotoMasahiro Yano
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Jul 4, 2009·The Plant Cell·Carlos Alonso-BlancoMaarten Koornneef
Oct 22, 2010·Genome Génome / Conseil National De Recherches Canada·Natsuko Iwata, Kenji Fujino
Mar 25, 2011·Trends in Plant Science·Kotaro MiuraMakoto Matsuoka
May 5, 2009·Journal of Plant Physiology·Kenji FujinoHiroshi Sekiguchi
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Jan 8, 2013·The Plant Journal : for Cell and Molecular Biology·Hiroki TakagiRyohei Terauchi
Mar 19, 2014·The Plant Journal : for Cell and Molecular Biology·Guangwen LuJianmin Wan
May 30, 2015·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Kenji FujinoKenichi Tamura
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Oct 14, 2014·Frontiers in Plant Science·Kenji FujinoKoji Sato
Apr 1, 2017·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Peng XuXinlian Shen
Dec 14, 2017·Journal of Experimental Botany·Xiang WangJian Hua
May 19, 2018·The Plant Journal : for Cell and Molecular Biology·Lin DuChengcai Chu
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Dec 12, 2018·The Plant Journal : for Cell and Molecular Biology·Yongqi HeZhoufei Wang

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