Induction of Expression Instability of the nptII Gene in Transgenic Tobacco Plants

Induction of Expression Instability of the nptII Gene in Transgenic Tobacco Plants A comparative analysis of the neomycin phosphotransferase (nptII) gene expression was performed in two groups of transformed tobacco plants, one of which included plants with direct and inverted tandem uidA gene repeats in the T-DNA insertion. This insertion of inverted repeats was shown to reduce the level of stable nptII gene expression to 20%, as compared with 65% in the control transformants. The level of unstable expression of this gene substantially increased (up to 71.4% vs. 5.5% in the control group) when homologous sequences were brought together with direct tandem repeats in the genome of hybrid plants. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Induction of Expression Instability of the nptII Gene in Transgenic Tobacco Plants

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2002 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1023/A:1015505405384
Publisher site
See Article on Publisher Site

Abstract

A comparative analysis of the neomycin phosphotransferase (nptII) gene expression was performed in two groups of transformed tobacco plants, one of which included plants with direct and inverted tandem uidA gene repeats in the T-DNA insertion. This insertion of inverted repeats was shown to reduce the level of stable nptII gene expression to 20%, as compared with 65% in the control transformants. The level of unstable expression of this gene substantially increased (up to 71.4% vs. 5.5% in the control group) when homologous sequences were brought together with direct tandem repeats in the genome of hybrid plants.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Oct 13, 2004

References

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