Research theme for competitive and other funds (21)：
2018 - 2021 Elucidation of genome-to-genome cross-talk mechanism in the flowering-time gene pathway of hexaploid wheat and its breeding use
2015 - 2018 Validation of hypothesis that mitochondria play as vernalizaiton sensor
2012 - 2015 Mechanism of homoeolog-number counting in polypoid plant species
2012 - 2014 ミトコンドリアゲノムによる核遺伝子のエピジェネティック制御機構の解明
2009 - 2012 Molecular basis of mitochondrial retrograde signaling and its Application for breeding
2006 - 2009 Studies on the genome interaction in polyploid plants
2005 - 2007 Molecular basis and its application of cytoplasmic-homeosis in wheat
2005 - 2005 植物に特微的な倍数性ゲノム間相互作用に関する研究
2001 - 2004 Development of practical photoperiod-sensitive cytoplasmic male sterility lines for hybrid wheat breeding
2001 - 2003 Development of breeding system with functional genomics of wheat by using cDNA microarray
2002 - 2002 倍数性コムギの比較ゲノム解析
2000 - 2002 Analyses on the mitochondrial genome structure and gene expression in common wheat
2000 - 2002 Molecular basis of photoperiod-sensitive cytoplasmic male sterility in wheat
2001 - 2001 倍数性コムギの比較ゲノム解析
1999 - 2000 湛水性ムギ類の育成
1998 - 1999 Determination of the entire structure of wheat chloroplast genome
1996 - 1996 コムギにおける花器官形成調節遺伝子の単離と機能解析
植物における核-細胞質相互作用に関する研究
植物の生殖成長に関する研究
Study on nuclear-cytoplasm interaction in plant
Study on plant reproductive growth
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Papers (26)：
Junpei Ueda, Yusuke Kazama, Tomoko Abe, Koji Murai. Characterization of late heading 1, a Heavy-Ion Beam Irradiation-Induced Mutant in Einkorn Wheat (Triticum monococcum) that Suppresses an Early-Flowering Phenotype in Plants with Deletion of PHYTOCLOCK 1. CYTOLOGIA. 2023. 88. 1. 61-67
Kasumi Hashimoto, Yusuke Kazama, Hiroyuki Ichida, Tomoko Abe, Koji Murai. Einkorn Wheat (Triticum monococcum) Mutant Extra-Early Flowering 4, Generated by Heavy-Ion Beam Irradiation, Has a Deletion of the LIGHT-REGULATED WD1 Homolog. CYTOLOGIA. 2021. 86. 4. 297-302
Ayaka Matsuta, Takahiro Mayuzumi, Hajime Katano, Masanori Hatashita, Keiichi Takagi, Yoriko Hayashi, Tomoko Abe, Koji Murai, Yusuke Kazama. The Effect of Heavy-Ion Beams with High Linear Energy Transfer on Mutant Production in M1 Generation of Torenia fournieri. CYTOLOGIA. 2021. 86. 4. 317-322
Shigeo Takumi, Seito Mitta, Shoya Komura, Tatsuya M Ikeda, Hitoshi Matsunaka, Kazuhiro Sato, Kentaro Yoshida, Koji Murai. Introgression of chromosomal segments conferring early heading date from wheat diploid progenitor, Aegilops tauschii Coss., into Japanese elite wheat cultivars. PloS one. 2020. 15. 1. e0228397
MURAI Koji. Trials for hybrid seed production and estimation of wheat F1 hybrids produced by outcrossing using photoperiod-sensitive cytoplasmic male sterile (PCMS) system with elite lines. J. Agr. Crop Res. 2019. 7. 119-126
村井耕二, 野村文希, 多田博子, 笛木麗奈, 荒井里実, 阿部知子. Development of a wheat mutant lacking the photoperiod response gene Ppd-D1 by heavy ion-beam irradiation. 育種学研究. 2023. 25
笛木麗奈, 畑下昌範, 村井耕二. Development of an early-flowering mutant in “Fukui-kendai 3 (Fukukomugi)” by heavy ion-beam irradiation. 育種学研究. 2023. 25
村井耕二, 多田博子, 竹之内悠. Pollinator lines of hybrid wheat utilizing photoperiod-sensitive cytoplasmic male sterility. 育種学研究. 2023. 25
笛木麗奈, 畑下昌範, 村井耕二. Gene structure analysis of the Puroindoline gene in hard grain mutants of the bread wheat cultivar “Fukui-kendai3 (Fukukomugi)” produced by heavy ion-beam. 育種学研究. 2023. 25
上田純平, 風間裕介, 阿部知子, 村井耕二. late-heading1, an einkorn wheat mutant which suppresses the early-heading phenotype of early-heading mutant with a deletion of clock gene WPCL1. 育種学研究. 2022. 24
