Inheritance of marker and target genes in seed and vegetative progenies of transgenic tobacco plants carrying the buckwheat serine protease inhibitor gene

Inheritance of marker and target genes in seed and vegetative progenies of transgenic tobacco... The buckwheat serine protease inhibitor (BWI-1) target gene (ISP) was expressed under the control of the constitutive 35S promoter of the cauliflower mosaic virus was expressed in transgenic tobacco plants and conferred antibacterial resistance. A stable and linked inheritance and expression of the marker nptII and target genes were observed in a random sample of independent transgenic tobacco plants after longterm propagation by nodal segments or multiple (for 1.5 years) regenerations under nonselective conditions; the transgene insert was preserved in the T1 seed progeny. Transgenic plants displayed numerous alterations in microsporogenesis. A loss of kanamycin (Km) resistance was accompanied by a loss of antibacterial activity in two lines. Segregation was observed for Km resistance in line C7 and for seedling size in line C22. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Inheritance of marker and target genes in seed and vegetative progenies of transgenic tobacco plants carrying the buckwheat serine protease inhibitor gene

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Publisher
Springer Journals
Copyright
Copyright © 2010 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/S1022795410010084
Publisher site
See Article on Publisher Site

Abstract

The buckwheat serine protease inhibitor (BWI-1) target gene (ISP) was expressed under the control of the constitutive 35S promoter of the cauliflower mosaic virus was expressed in transgenic tobacco plants and conferred antibacterial resistance. A stable and linked inheritance and expression of the marker nptII and target genes were observed in a random sample of independent transgenic tobacco plants after longterm propagation by nodal segments or multiple (for 1.5 years) regenerations under nonselective conditions; the transgene insert was preserved in the T1 seed progeny. Transgenic plants displayed numerous alterations in microsporogenesis. A loss of kanamycin (Km) resistance was accompanied by a loss of antibacterial activity in two lines. Segregation was observed for Km resistance in line C7 and for seedling size in line C22.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Jan 12, 2010

References

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