The chromosomal location of the embryo plus scutellum alcohol dehydrogenase isozymes in the hexaploid wheat kernel |
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Authors: | J Salinas M Pérez de la Vega C Benito |
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Institution: | (1) Departamento de Genética, Facultad de Biologia, Universidad Complutense, Madrid, Spain |
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Abstract: | 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 4A , 4BL and 4DS.A five subunit forming dimer hypothesis is postulated to explain the newly reported seven isozyme pattern. Subunits , and are coded by chromosome arms 4A , 4BL and 4DS respectively, and the newly postulated and are coded also by chromosome arm 4BL. |
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Keywords: | Triticum aestivum wheat Triticum turgidum durum wheat alcohol dehydrogenase |
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