A Secreted Peptide Growth Factor, Phytosulfokine, Acting as a Stimulatory Factor of Carrot Somatic Embryo Formation

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概要

• 論文の詳細を見る

• Somatic embryogenesis of the carrot (Daucus carota L.) depends on a set of factors, some of which accumulate in culture medium (conditioned medium, CM). When embryogenic cell clusters were transferred to an embryo-in-ducing medium, addition of CM derived from somatic embryo culture markedly stimulated somatic embryo formation. The active principles were purified using simple bioassay system and identified to be phytosulfokines (PSKs), sulfated oligopeptide growth factors originally isolated from a CM derived from asparagus (Asparagus officinalis L.) mesophyll culture. Quantification studies using a competition ELISA system employing an anti-PSK-α polyclonal antibody showed that PSK production might be related to growth of cells, rather than development of somatic embryos. Thus the stimulatory effect of PSK on somatic embryo formation might be due to promotion of cell proliferation.

• 日本植物生理学会の論文

著者

• Kamada H

  Univ. Tsukuba Tsukuba Jpn

• KAMADA Hiroshi

  Institute of Biological Sciences, University of Tsukuba

• Hanai Hidetoshi

  Laboratory of Bioactive Natural Products Chemistry, Graduate School of Bioagricultural Sciences, Nag

• Matsuno Takuya

  Laboratory of Bioactive Natural Products Chemistry, Graduate School of Bioagricultural Sciences, Nag

• Yamamoto Manabu

  Laboratory of Bioactive Natural Products Chemistry, Graduate School of Bioagricultural Sciences, Nag

• Matsubayashi Yoshikatsu

  Laboratory of Bioactive Natural Products Chemistry, Graduate School of Bioagricultural Sciences, Nag

• Kobayashi Toshihiro

  Institute of Biological Sciences, University of Tsukuba

• Sakagami Youji

  Laboratory of Bioactive Natural Products Chemistry, Graduate School of Bioagricultural Sciences, Nag

• Matsuno Takuya

  Laboratory Of Bioactive Natural Products Chemistry Graduate School Of Bioagricultural Sciences Nagoy

• Hanai Hidetosi

  Graduate School Of Bioagricultural Sciences Nagoya Univ.

• Higashi K

  Gene Research Center University Of Tsukuba

• Higashi K

  Gene Research Center Institute Of Biological Sciences University Of Tsukuba

• Yamakawa Seiyei

  Graduate School Of Biological Science Nara Institute Of Science And Technology

• Yamakawa Seiyei

  Technology Department Research Association For Biotechnology

• Sakagami Y

  Nagoya Univ.

• Matsubayashi Yoshikatsu

  School Of Agricultural Sciences Nagoya University

• Kamada Hiroshi

  Institute Of Biological Sciences Univ.

• Kobayashi T

  Institute Of Biological Sciences University Of Tsukuba

• Hoshino Kaori

  Showa Women's University

• Sakagami Youji

  Laboratory Of Bioactive Natural Product Chemistry Graduate School Of Bio-agricultural Sciences Nagoy

• Yamakawa Seiyei

  School Of Agricultural Sciences Nagoya University

• Yamamoto Manabu

  Laboratory Of Bioactive Natural Products Chemistry Graduate School Of Bioagricultural Sciences Nagoy

• Kamada Hiroshi

  Institute Of Biological Sciences Tsukuba University

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