Research theme for competitive and other funds (9):
2022 - 2025 環境感受性の進化が駆動する植物の種分化機構の解明
2020 - 2023 Testing speciation caused by physiological characters of plant photoreceptor phytochrome
2017 - 2022 The origin and evolutionary history of the flora of Japanese Archipelago through on the phylogeographic analyses of grassland plants in the Northeast Asia
2014 - 2017 Analyses of origin of circumpolar arctic alpine plants ranging across Pacific rim and hypothesis testing of Beringea-refugia
2012 - 2016 Intraspecific differentiation reinforced by flowering time differentiation as local adaptation caused by the genotype polymorphisms
2010 - 2014 Adaptation and evolution along latitudinal cline of circumpolar element plants
2011 - 2012 Functional analysis of natural genetic variation of non-model species using model species
2009 - 2011 Analysis of intraspecific diversification caused by phytochrome gene evolution as photo-receptor
2007 - 2009 高山植物を例にした分断分布に伴うゲノム分化が引き起こす種分化機構の解明
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Papers (54):
Kana Magota, Eiji Gotoh, Shota Sakaguchi, Hajime Ikeda, Hiroaki Setoguchi. High-intensity light promotes adaptive divergence of photosynthetic traits between sun-exposed and shaded populations in Saxifraga fortunei. American Journal of Botany. 2024
Hajime Ikeda. Virtual issue: phylogeographic studies in the Japanese Archipelago: from geographic patterns of genetic variation to biodiversity in plants. Journal of Plant Research. 2023
Tomoka Sakaba, Akiko Soejima, Shinji Fujii, Hajime Ikeda, Takaya Iwasaki, Hiroaki Saito, Yoshihisa Suyama, Ayumi Matsuo, Andrey E. Kozhevnikov, Zoya V. Kozhevnikova, et al. Phylogeography of the temperate grassland plant Tephroseris kirilowii (Asteraceae) inferred from multiplexed inter-simple sequence repeat genotyping by sequencing (MIG-seq) data. Journal of Plant Research. 2023. 136. 4. 437-452
Samuele Voyron, Chiara Tonon, Laura Guglielmone, Luisella Celi, Cesare Comina, Hajime Ikeda, Naoko Matsumoto, Daniele Petrella, Joseph Ryan, Kazuhiro Sato, et al. Diversity and structure of soil fungal communities unveil the building history of a burial mound of ancient Japan (Tobiotsuka Kofun, Okayama Prefecture). Journal of Archaeological Science. 2022. 146. 105656-105656
Seikan Kurata, Shota Sakaguchi, Hajime Ikeda, Shun K. Hirota, Osamu Kurashima, Yoshihisa Suyama, Motomi Ito. From East Asia to Beringia: reconstructed range dynamics of Geranium erianthum (Geraniaceae) during the last glacial period in the northern Pacific region. Plant Systematics and Evolution. 2022. 308. 4