Barley root hydraulic conductivity and aquaporins expression in relation to salt tolerance

Maki Katsuhara, Mineo Shibasaka

    Research output: Contribution to journalArticlepeer-review

    18 Citations (Scopus)

    Abstract

    Root hydraulic conductivity (Lpr) and aquaporins were investigated in barley seedlings under salt stress of 100 mmol L-1 NaCl in hydroponic culture for 24 and 48 h. No reduction in root elongation was observed in stressed seedlings, and more that 75% of root and shoot growth was maintained under salt stress of 100 mmol L-1 NaCl. A slight increase in HvPIP2;1 transcript, which was the most abundant of the three aquaporins investigated, was observed. No significant changes in Lpr and HvPIP2;1 protein were detected. The possible reason for these complicated results and the function of aquaporins in Lprunder salt stress are discussed.

    Original languageEnglish
    Pages (from-to)466-470
    Number of pages5
    JournalSoil Science and Plant Nutrition
    Volume53
    Issue number4
    DOIs
    Publication statusPublished - Aug 2007

    Keywords

    • Aquaporin
    • Barley
    • Root hydraulic conductivity
    • Salt stress

    ASJC Scopus subject areas

    • Soil Science
    • Plant Science

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