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  1. No Access

    Article

    Different contributions of PROG1 and TAC1 to the angular kinematics of the main culm and tillers of wild rice (Oryza rufipogon)

    PROG1 is necessary but insufficient for the main culm inclination while TAC1 partially takes part in it, and both genes promote tiller inclination in Asian wild rice.

    Yoshiki Tokuyama, Miku Omachi, Shiori Kushida, Kiwamu Hikichi, Shuhei Okada… in Planta (2023)

  2. Article

    Open Access

    Identification of a Saltol-Independent Salinity Tolerance Polymorphism in Rice Mekong Delta Landraces and Characterization of a Promising Line, Doc Phung

    The Mekong Delta River in Vietnam is facing salinity intrusion caused by climate change and sea-level rise that is severely affecting rice cultivation. Here, we evaluated salinity responses of 97 rice accessio...

    Tam Thanh Nguyen, Maria Stefanie Dwiyanti, Shuntaro Sakaguchi, Yohei Koide… in Rice (2022)

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  3. No Access

    Article

    Characterization of QTLs for grain weight from New Plant Type rice cultivars through the development of near-isogenic lines with an IR 64 background

    Grain weight (GW), one of the yield components of rice (Oryza sativa L.), is an important trait for improving rice productivity. In the 1990s, New Plant Type (NPT) rice breeding focused on improving the yield pot...

    Daisuke Fujita, Analiza G. Tagle, Yohei Koide, Eliza V. Simon… in Euphytica (2022)

  4. Article

    Open Access

    Responses of earliness and lateness genes for heading to different photoperiods, and specific response of a gene or a pair of genes to short day length in rice

    Heading time is an important trait for regional and seasonal adaptabilities in rice, and is controlled by genetic factors in relation with environmental factors, mainly day length and temperature. The followin...

    Birendra Bahadur Rana, Misa Kamimukai, Mukunda Bhattarai, Yohei Koide… in Hereditas (2019)

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  5. Article

    Open Access

    Anther culture in rice proportionally rescues microspores according to gametophytic gene effect and enhances genetic study of hybrid sterility

    To investigate plant hybrid sterility, we studied interspecific hybrids of two cultivated rice species, Asian rice (Oryza sativa) and African rice (O. glaberrima). Male gametes of these hybrids display complete s...

    Yoshitaka Kanaoka, Daichi Kuniyoshi, Eri Inada, Yohei Koide… in Plant Methods (2018)

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  6. No Access

    Article

    Identification of QTLs and candidate genes for days to heading in an upland New Rice for Africa (NERICA) variety

    To produce rice varieties adaptable to unfavorable environments in Africa, New Rice for Africa (NERICA) varieties have been developed by inter-specific crossings. The basic idea of NERICA was to combine the us...

    Yohei Koide, Akiko Kawasaki-Tanaka, Theophile Odjo, Mitsuhiro Obara… in Euphytica (2015)

  7. No Access

    Article

    Detection of novel blast resistance genes, Pi58(t) and Pi59(t), in a Myanmar rice landrace based on a standard differential system

    The use of broad-spectrum R genes is an effective way to achieve durable resistance against rice blast (Magnaporthe oryzae Couch, anamorph: Pyricularia oryzae Cavara) in rice (Oryza sativa L.). We previously surv...

    Yohei Koide, Mary Jeanie Telebanco-Yanoria, Yoshimichi Fukuta… in Molecular Breeding (2013)

  8. No Access

    Article

    QTL for spikelet number from a high-yielding rice variety, Hoshiaoba, detected in an introgression line with the genetic background of an indica rice variety, IR64

    Total spikelet number per panicle (TSN) is thought to be one of the most important agronomic traits associated with grain production in rice (Oryza sativa L.). We previously reported the development of 334 introg...

    Yohei Koide, Daisuke Fujita, Analiza G. Tagle, Kazuhiro Sasaki… in Euphytica (2013)

  9. No Access

    Article

    Fine map** and identification of tightly linked DNA markers of blast resistance gene Pia by using an introgression line

    An introgression line (INL) for a major rice blast resistance gene, Pia, was developed, with the genetic background of a blast susceptible variety, US-2. The reaction pattern of the INL was characterized by using...

    Yohei Koide, Mary Jeanie Telebanco-Yanoria, Daisuke Fujita… in Molecular Breeding (2011)

  10. No Access

    Article

    A set of near-isogenic lines of Indica-type rice variety CO 39 as differential varieties for blast resistance

    Twenty-seven near-isogenic lines (NILs) with the genetic background of a blast-susceptible variety, CO 39, were developed by repeated backcrossing as a first set of a large number of differential varieties (DV...

    Mary Jeanie Telebanco-Yanoria, Yohei Koide, Yoshimichi Fukuta… in Molecular Breeding (2011)

  11. No Access

    Article

    Two loosely linked genes controlling the female specificity for cross-incompatibility in rice

    Cross-incompatibility caused by endosperm abortion was found in advanced generations of backcrossing between the Asian wild (W593) and cultivated (T65wx) rice strains. The near isogenic line, T65WxS ...

    Yohei Koide, Mitsunobu Ikenaga, Yuhei Shinya, Kazuki Matsubara, Yoshio Sano in Euphytica (2008)

  12. No Access

    Chapter

    Genetics of Speciation in Rice

    One of the central issues of evolutionary biology is the origin of the species, although the definition of species is an endlessly debated issue (Coyne and Orr 2004). According to the biological species concep...

    Yohei Koide, Kazumitsu Onishi, Akira Kanazawa… in Rice Biology in the Genomics Era (2008)