Effects of auxin and cytokinin on induction of sister chromatid exchanges in cultured cells of wheat (Triticum aestivum L.)

M. Murata

    Research output: Contribution to journalArticlepeer-review

    18 Citations (Scopus)

    Abstract

    In order to know the mutagenic effects of synthetic auxins (NAA, 2,4-D, and 2,4,5-T) and a cytokinin (kinetin) in vitro, sister chromatid exchanges (SCEs) were analyzed in cultured cells of a hexaploid wheat (Triticum aestivum L.). In the MS medium supplemented with 2.0 mg/l 2,4-D, the mean number of SCEs per cell was 15.2, and per pg of DNA, 0.42. No significant effect was found in the treatments of NAA or 2,4-D at concentrations of 0.5-10.0 mg/l, whereas more than 2.0 mg/l of 2,4,5-T induced dramatic increases of SCEs. Kinetin itself had no significant effect on SCE induction, but there was a tendency that SCEs induced by 2,4,5-T were suppressed by kinetin.

    Original languageEnglish
    Pages (from-to)521-524
    Number of pages4
    JournalTheoretical and Applied Genetics
    Volume78
    Issue number4
    DOIs
    Publication statusPublished - Oct 1 1989

    Keywords

    • Auxin
    • Cytokinin
    • SCEs
    • Tissue culture
    • Triticum aestivum

    ASJC Scopus subject areas

    • Biotechnology
    • Agronomy and Crop Science
    • Genetics

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