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  1. No Access

    Article

    Preliminary survey of taxonomical problems, pharmacognostical characteristics, and chloroplast DNA polymorphisms of the folk medicinal herb Artemisia campestris from the Ryukyu Islands, Japan

    Artemisia campestris L. (Compositae) occurs naturally along the coastline of the Ryukyu Islands and has been traditionally used as a folk medicine for the treatment of liver and kidney disorders. The authors obta...

    Motoyasu Minami, Minori Suzuki, Keizo Hosokawa, Seizo Kondo… in Journal of Natural Medicines (2010)

  2. No Access

    Article

    Genetic transformation of gentian using wild-type Agrobacterium rhizogenes

    Agrobacterium rhizogenes A4 harboring the agropine type root-inducing plasmid (pRiA4) induced hairy roots on stem sections of gentian plants. Transgenic gential plants were regenerated from the hairy roots at ...

    Keizo Hosokawa, Rikyu Matsuki, Yayoi Oikawa… in Plant Cell, Tissue and Organ Culture (1997)

  3. No Access

    Article

    Adventitious shoot regeneration from leaf, stem and root explants of commercial cultivars of Gentiana

    Several culture conditions were examined for promoting efficient plant regeneration from explants of Gentiana. Adventitious shoot regeneration from leaf explants of cv. WSP-3 was very superior on MS medium, compa...

    Keizo Hosokawa, Masaru Nakano, Yayoi Oikawa, Saburo Yamamura in Plant Cell Reports (1996)

  4. No Access

    Article

    Production of essential oils by flowers of Hyacinthus orientalis L. regenerated in vitro

    Essential oils were produced by flowers of Hyacinthus orientalis L. that had been regenerated in vitro. The production of these oils was affected by the concentration of gibberellic acid and sucrose in the medium...

    Keizo Hosokawa, Yukio Fukunaga in Plant Cell Reports (1995)

  5. No Access

    Article

    Plant regeneration from protoplasts of Gentiana by embedding protoplasts in gellan gum

    A protoplast-to-plant system was developed in Gentiana using a gellan gum-embedding culture. Viable protoplasts could be routinely isolated from in vitro-grown plantlets, and they were embedded in 0.2% gellan gum...

    Masaru Nakano, Keizo Hosokawa, Tomo Oomiya… in Plant Cell, Tissue and Organ Culture (1995)