Expression of the enzyme-encoding genes under the influence of colchicine and triton X-100 in nongerminating seeds of sugarbeet (Beta vulgaris L.)

Expression of the enzyme-encoding genes under the influence of colchicine and triton X-100 in... The expression of the enzyme-coding genes, controlling glucose-phosphate isomerase (GPI), malate dehydrogenase (MDH), and alcohol dehydrogenase (ADH), was examined in nongerminating seeds of sugarbeet after Triton X-100 (TX-100) and colchicine treatment. Two types of changes revealed included modification of the enzymatic loci expression (change of the isozyme electrophoretic mobility) and inactivation of standard profiles. In the MDH and GPI systems, these processes were found to be associated. Complete isozyme modification was accompanied with the disappearance of standard profiles. In the ADH system, the treatment with TX-100 and colchicine gave rise to two independent processes, including silencing of the Adh1 locus and the appearance of the ADH isozymes with abnormal electrophoretic mobility, which were probably the products of the Adh2 locus. It was suggested that the effect of TX-100 and colchicine on the expression of the enzyme-encoding genes examined depended on the intracellular localization of the encoded enzymes. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Expression of the enzyme-encoding genes under the influence of colchicine and triton X-100 in nongerminating seeds of sugarbeet (Beta vulgaris L.)

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2011 by Pleiades Publishing, Ltd.
Subject
Biomedicine; Microbial Genetics and Genomics; Animal Genetics and Genomics; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795411010029
Publisher site
See Article on Publisher Site

Abstract

The expression of the enzyme-coding genes, controlling glucose-phosphate isomerase (GPI), malate dehydrogenase (MDH), and alcohol dehydrogenase (ADH), was examined in nongerminating seeds of sugarbeet after Triton X-100 (TX-100) and colchicine treatment. Two types of changes revealed included modification of the enzymatic loci expression (change of the isozyme electrophoretic mobility) and inactivation of standard profiles. In the MDH and GPI systems, these processes were found to be associated. Complete isozyme modification was accompanied with the disappearance of standard profiles. In the ADH system, the treatment with TX-100 and colchicine gave rise to two independent processes, including silencing of the Adh1 locus and the appearance of the ADH isozymes with abnormal electrophoretic mobility, which were probably the products of the Adh2 locus. It was suggested that the effect of TX-100 and colchicine on the expression of the enzyme-encoding genes examined depended on the intracellular localization of the encoded enzymes.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Jan 20, 2011

References

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