Detection of quantitative trait loci controlling extremely early heading in rice

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik
Yasunori NonoueMasahiro Yano

Abstract

To clarify the genetic basis of extremely early heading in rice, we conducted quantitative trait locus (QTL) analyses using F2 populations from two genetically wide cross combinations, Hayamasari/Kasalath (HaF2) and Hoshinoyume/Kasalath (HoF2). Hayamasari and Hoshinoyume are extremely early-heading japonica cultivars. Photoperiod sensitivity is completely lost in Hayamasari and weak in Hoshinoyume. Three QTLs, QTL(chr6), QTL(chr7), and QTL(chr8), for days-to-heading (DTH) in HaF2 were detected on chromosomes 6, 7, and 8, respectively, and QTL(chr6) and QTL(chr7) were detected in HoF2. On the basis of the chromosomal locations, QTL(chr6), QTL(chr7), and QTL(chr8) may be likely to be Hd1, Hd4, and Hd5, respectively, which had been detected previously as QTLs for DTH in an F2 population of NipponbarexKasalath. Alleles of QTL(chr7) decreased DTH dramatically in both Hayamasari and Hoshinoyume, suggesting that QTL(chr7) has a major role in determining extremely early heading. In addition, allele-specific interactions were detected between QTL(chr6), QTL(chr7) and QTL(chr8). This result suggests that not only allelic differences but also epistatic interactions contribute to extremely early heading. QTL(chr8) was detected in HaF2, but...Continue Reading

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Citations

Aug 30, 2008·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·K MatsubaraM Yano
Jan 14, 2011·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Kaworu EbanaMasahiro Yano
Jul 12, 2011·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Kenji Fujino, Natsuko Iwata
Jul 27, 2011·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Taeko ShibayaMasahiro Yano
Oct 24, 2012·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Kenji FujinoMasahiro Yano
Jul 8, 2010·Molecular Genetics and Genomics : MGG·Kenji FujinoTakashi Matsumoto
Feb 11, 2014·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Hiroshi ShinadaKenji Fujino
Jan 21, 2009·Annual Review of Plant Biology·Kazuki Saito, Fumio Matsuda
Mar 25, 2011·Trends in Plant Science·Kotaro MiuraMakoto Matsuoka
Feb 3, 2011·The Plant Journal : for Cell and Molecular Biology·Kazuki MatsubaraMasahiro Yano
Apr 3, 2012·Journal of Integrative Plant Biology·Xufeng BaiYongzhong Xing
May 15, 2013·Plant, Cell & Environment·Choon-Tak KwonNam-Chon Paek
May 30, 2015·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Kenji FujinoKenichi Tamura
May 9, 2015·BMC Plant Biology·Kiyosumi HoriMasahiro Yano
Mar 22, 2019·G3 : Genes - Genomes - Genetics·Yohei KoideYuji Kishima
Feb 6, 2018·Breeding Science·Kenji FujinoTakashi Sato
Mar 16, 2019·Molecular Genetics and Genomics : MGG·Kenji FujinoTomohito Ikegaya
Nov 4, 2021·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Kenji FujinoKenta Shirasawa

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