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The chromosomal location of the embryo plus scutellum alcohol dehydrogenase isozymes in the hexaploid wheat kernel

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Summary

Analysis of individual parts of Triticum aestivum L. and T. turgidum var. durum kernels showed two classes of alcohol dehydrogenase patterns: 1) A three banded pattern (ADH-1, ADH-2 and ADH-3) for endosperm (Ed) and 2) a seven banded pattern (ADH-F1, ADH-F2, ADH-1, ADH-2, ADH-3, ADH-S1 and ADH-S2) for embryo (E), scutellum (S) and embryo plus scutellum (E+S). The use of nullitetrasomic and ditelosomic series of Chinese Spring wheat allows alcohol dehydrogenase to be associated with arms 4Aα, 4BL and 4DS.

A five subunit forming dimer hypothesis is postulated to explain the newly reported seven isozyme pattern. Subunits α, β and δ are coded by chromosome arms 4Aα, 4BL and 4DS respectively, and the newly postulated ɛ and γ are coded also by chromosome arm 4BL.

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Authors and Affiliations

  1. Departamento de Genética, Facultad de Biologia, Universidad Complutense, Madrid, Spain

    J. Salinas, M. Pérez de la Vega & C. Benito

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  1. J. Salinas
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  2. M. Pérez de la Vega
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  3. C. Benito
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Salinas, J., de la Vega, M.P. & Benito, C. The chromosomal location of the embryo plus scutellum alcohol dehydrogenase isozymes in the hexaploid wheat kernel. Euphytica 30, 729–734 (1981). https://doi.org/10.1007/BF00038801

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  • DOI: https://doi.org/10.1007/BF00038801

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