The inheritance of alcohol dehydrogenase isozymes in seeds of hexaploid Echinochloa crus-galli Beauv.

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To clarify the mode of inheritance of alcohol dehydrogenase (ADH) isozymes in <i>Echinochloa crus-galli</i>, we induced single-banded mutant lines for ADH by gamma-ray irradiation; the irradiation of the 5-banded <i>E. crus-galli</i> var. formosensis (phenotype A<sub>1</sub>A<sub>2</sub>A<sub>3</sub>A<sub>4</sub>A<sub>5</sub>) produced two single-banded mutant lines, A<sub>1</sub> and A<sub>5</sub>. All pairwise reciprocal crosses were made among the single-banded mutant lines and the naturally occurring single-banded type <i>E. crus-galli</i> var. <i>praticola</i> that displays only band A<sub>3</sub>. The ADH zymograms from the resulting F<sub>1</sub> progenies were identified by polyacrylamide gel electrophoresis and the relative staining densities of the bands were determined by densitometer scanning for several important <i>E. crus-galli</i> phenotypes and F<sub>1</sub> individuals. All F<sub>1</sub> seeds displayed both parental bands plus an additional band located intermediate to the parental bands. Moreover, the ratios of the band densities were in agreement with those expected from the kinetics of ADH dimer formation. The results can be accounted for by three loci encoding three ADH subunits. Also, the data indicate that the A<sub>3</sub> band of the 5-banded phenotype consists of two different dimeric products, homo- and hetero-dimers.<br>

収録刊行物

  • Genes & genetic systems

    Genes & genetic systems 73(3), 159-162, 1998-06

    The Genetics Society of Japan

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各種コード

  • NII論文ID(NAID)
    10003762514
  • NII書誌ID(NCID)
    AA11077421
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13417568
  • NDL 記事登録ID
    4549976
  • NDL 雑誌分類
    ZR1(科学技術--生物学)
  • NDL 請求記号
    Z53-W539
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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