Molecular Differences between Alleles Adh1-F and Adh1-Sin Sugar Beet Beta vulgaris L.

Molecular Differences between Alleles Adh1-F and Adh1-Sin Sugar Beet Beta vulgaris L. We compared nucleotide sequences of exon 4 and part of exon 5 of alleles F and S of the Adh1 locus controlling alcohol dehydrogenase in sugar beet. The Adh1-F and Adh1-S sequences of the examined fragment were shown to differ by two nucleotides. Adenine (A) and cytosine (C) of Adh1-F were substituted by respectively thymine (T) and adenine (A) in Adh1-S. Consequently, glutamine and asparagine from the F subunit of ADH1 are replaced by valine and lysine, respectively. Because of differences in the amino acid content, the F subunit is by two elementary charges more negatively charged electrically than the S subunit, which correlates with differences in their electrophoretic mobility. Comparison of the examined Adh1 fragment of sugar beet with its counterparts in other plants showed that the sites bearing substitutions in the former species are classed as variable. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Molecular Differences between Alleles Adh1-F and Adh1-Sin Sugar Beet Beta vulgaris L.

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2004 by MAIK “Nauka/Interperiodica”
Subject
Biomedicine; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1023/B:RUGE.0000016991.44399.7d
Publisher site
See Article on Publisher Site

Abstract

We compared nucleotide sequences of exon 4 and part of exon 5 of alleles F and S of the Adh1 locus controlling alcohol dehydrogenase in sugar beet. The Adh1-F and Adh1-S sequences of the examined fragment were shown to differ by two nucleotides. Adenine (A) and cytosine (C) of Adh1-F were substituted by respectively thymine (T) and adenine (A) in Adh1-S. Consequently, glutamine and asparagine from the F subunit of ADH1 are replaced by valine and lysine, respectively. Because of differences in the amino acid content, the F subunit is by two elementary charges more negatively charged electrically than the S subunit, which correlates with differences in their electrophoretic mobility. Comparison of the examined Adh1 fragment of sugar beet with its counterparts in other plants showed that the sites bearing substitutions in the former species are classed as variable.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Oct 18, 2004

References

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