Features of development and reproduction of transgenic flax

Features of development and reproduction of transgenic flax Primary transformants carrying a genetic construct with the chimeric gfp-tua6 gene were obtained using biolistic transformation of hypocotyl explants of flax variety Vasilek. Viable modified plants were used as a basis for the production of inbred lines with confirmed inheritance of introduced genetic construct in three generations. The characteristics of phenological growth stages, plant height, number of bolls and meiosis were studied for transgenic plants. A comparison of transformed lines based on reproduction years revealed a significant decrease of seed production in one line. Meiotic analysis of this line at metaphase I and anaphase I stages was conducted. The percentage of cells with impaired meiosis was highest in transgenic plants of the line with the lowest seed production. Thus, the nonspecific incorporation of genetic construct into the flax genome using biolistic transformation impairs meiosis to a different extent and it is the main reason for unequal reproducibility of transgenic flax. The production of stably reproducing transgenic lines requires systematic analysis of meiosis. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Developmental Biology Springer Journals

Features of development and reproduction of transgenic flax

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Publisher
Pleiades Publishing
Copyright
Copyright © 2014 by Pleiades Publishing, Inc.
Subject
Life Sciences; Developmental Biology; Animal Anatomy / Morphology / Histology
ISSN
1062-3604
eISSN
1608-3326
D.O.I.
10.1134/S1062360414060083
Publisher site
See Article on Publisher Site

Abstract

Primary transformants carrying a genetic construct with the chimeric gfp-tua6 gene were obtained using biolistic transformation of hypocotyl explants of flax variety Vasilek. Viable modified plants were used as a basis for the production of inbred lines with confirmed inheritance of introduced genetic construct in three generations. The characteristics of phenological growth stages, plant height, number of bolls and meiosis were studied for transgenic plants. A comparison of transformed lines based on reproduction years revealed a significant decrease of seed production in one line. Meiotic analysis of this line at metaphase I and anaphase I stages was conducted. The percentage of cells with impaired meiosis was highest in transgenic plants of the line with the lowest seed production. Thus, the nonspecific incorporation of genetic construct into the flax genome using biolistic transformation impairs meiosis to a different extent and it is the main reason for unequal reproducibility of transgenic flax. The production of stably reproducing transgenic lines requires systematic analysis of meiosis.

Journal

Russian Journal of Developmental BiologySpringer Journals

Published: Nov 12, 2014

References

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