The molecular mechanism and physiological role of cytoplasmic streaming

Motoki Tominaga, Kohji Ito

    研究成果: Article

    28 被引用数 (Scopus)

    抄録

    Cytoplasmic streaming occurs widely in plants ranging from algae to angiosperms. However, the molecular mechanism and physiological role of cytoplasmic streaming have long remained unelucidated. Recent molecular genetic approaches have identified specific myosin members (XI-2 and XI-K as major and XI-1, XI-B, and XI-I as minor motive forces) for the generation of cytoplasmic streaming among 13 myosin XIs in Arabidopsis thaliana. Simultaneous knockout of these myosin XI members led to a reduced velocity of cytoplasmic streaming and marked defects of plant development. Furthermore, the artificial modifications of myosin XI-2 velocity changed plant and cell sizes along with the velocity of cytoplasmic streaming. Therefore, we assume that cytoplasmic streaming is one of the key regulators in determining plant size.

    本文言語English
    ページ(範囲)104-110
    ページ数7
    ジャーナルCurrent Opinion in Plant Biology
    27
    DOI
    出版ステータスPublished - 2015 10 1

    ASJC Scopus subject areas

    • Plant Science

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