Research theme for competitive and other funds (14):
2022 - 2025 発電と農業を融合した太陽光エネルギー有効利用システムの開発
2022 - 2023 高機能性とエネルギー資源性を持つ植物を用いたSDGs駆動型都市農業の提案
2018 - 2021 イネの地上部・地下部を区別した環境受容の分子メカニズム解明と育種への応用
2017 - 2018 ダイズの初期生育を支配する因子の解析と育種への応用
2015 - 2017 Analysis of mechanism of growth temperature and flowering signal in rice
2015 - 2016 イネの環境記憶能力を支配する因子の解析
2012 - 2014 Cross talk pathways between stress tolerance and promotion of flowering
2009 - 2011 Photo-thermal responses of rice panicle initiation and their modeling
2009 - 2010 Molecular basis of crosstalk between flowering and environmental stress signaling pathway and application for plant breeding.
2007 - 2009 Analysis of molecular mechanisms of perception of signaling and floral transition in rice.
2007 - 2009 Elucidation of speciation process of amphidiploid species in Brassica
2007 - 2008 小胞子培養を利用した植物の胚発生と種子形成に関与する因子の機能解析
2005 - 2006 イネにおける開花制御因子の分子生物学的解析
1998 - 1999 脂肪酸組成の遺伝子工学的改変による耐冷性イネの開発
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Papers (60):
Kumpei Shiragaki, Shuji Yokoi, Takahiro Tezuka. Abnormalities in juvenile-to-adult transition are associated with hybrid weakness in chili pepper (Capsicum). Plant Breeding. 2024. 143. 3. 403-411
Kumpei Shiragaki, Shonosuke Seko, Shuji Yokoi, Takahiro Tezuka. Capsicum annuum with causal allele of hybrid weakness is prevalent in Asia. PLOS ONE. 2022. 17. 7. e0271091-e0271091
Hai He, Kumi Sadahisa, Shuji Yokoi, Takahiro Tezuka. Parental Genome Imbalance Causes Hybrid Seed Lethality as Well as Ovary Abscission in Interspecific and Interploidy Crosses in Nicotiana. Frontiers in Plant Science. 2022. 13. 899206
Shuji Yokoi. The role of plant breeding in future urban farming. Breeding Research. 2022
世故捷之助, 横井修司, 手塚孝弘. Phylogenetic analysis of Capsicum using SSR markers and investigation of reproductive isolation including hybrid weakness in interspecific hybridization. 育種学研究. 2024. 26
永井翔大, 横井修司, 手塚孝弘. Genetic mapping of the HLA1 locus, a gene causing hybrid lethality, in Nicotiana interspecific hybrids by bulked segregant RNA-Seq. 育種学研究. 2024. 26
永井翔大, 松本果歩, 川口謙二, 横井修司, 横井修司, 手塚孝弘, 手塚孝弘. Deletion of the chromosomal region containing the hybrid lethality gene HLA1 in spontaneous viable hybrids from the cross Nicotiana amplexicaulis × N. tabacum. 育種学研究. 2023. 25
木田茉奈美, 横井修司, 横井修司, 手塚孝弘, 手塚孝弘. Genetic analysis of hybrid seed lethality and ovary abscission in interspecific-interploidy crosses in Nicotiana. 育種学研究. 2023. 25
西出七虹, 横井修司, 横井修司, 手塚孝弘, 手塚孝弘. Search for the origin of the HLA1 gene causing hybrid lethality in interspecific hybrids of tobacco species. 育種学研究. 2023. 25
Deletion of the chromosomal region containing the hybrid lethality gene HLA1 in spontaneous viable hybrids from the cross Nicotiana amplexicaulis × N. tabacum
(育種学研究 2023)
Genetic analysis of hybrid seed lethality and ovary abscission in interspecific-interploidy crosses in Nicotiana
(育種学研究 2023)
Search for the origin of the HLA1 gene causing hybrid lethality in interspecific hybrids of tobacco species
(育種学研究 2023)
Haplotype analysis of the region surrounding HLA1, a gene causing hybrid lethality in interspecific hybrids of Nicotiana
(育種学研究 2022)
Phylogeographic analysis of hybrid weakness in Capsicum
(日本進化学会大会プログラム・講演要旨集(Web) 2020)