Evaluation of salt tolerance of transgenic tobacco plants bearing the P5CS1 gene of Arabidopsis thaliana

Evaluation of salt tolerance of transgenic tobacco plants bearing the P5CS1 gene of Arabidopsis... Arabidopsis thaliana Δ1-pyrroline-5-carhoxylate synthetase 1 (P5CS1) cDNA was cloned under the control of the potent constitutive 35S RNA promoter of the cauliflower mosaic virus and transferred into genome of tobacco cv. Petit Havana SR-1 (Nicotiana tabacum L.) plants. It is shown that the constitutive level of proline in the transgenic plants T0 exceeds that of the SR1 reference line by 1.5 to 4 times. Under conditions of salt stress (200, 300 mM NaCl) T1-generation transgenic plants in early stages of development formed a large biomass, developed more quickly, and had a higher rate of root growth compared to the control, which confirms the involvement of the P5CS1 gene in molecular mechanisms of stress resistance in plants. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Evaluation of salt tolerance of transgenic tobacco plants bearing the P5CS1 gene of Arabidopsis thaliana

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Publisher
Springer Journals
Copyright
Copyright © 2015 by Pleiades Publishing, Inc.
Subject
Biomedicine; Human Genetics; Animal Genetics and Genomics; Microbial Genetics and Genomics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795415120078
Publisher site
See Article on Publisher Site

Abstract

Arabidopsis thaliana Δ1-pyrroline-5-carhoxylate synthetase 1 (P5CS1) cDNA was cloned under the control of the potent constitutive 35S RNA promoter of the cauliflower mosaic virus and transferred into genome of tobacco cv. Petit Havana SR-1 (Nicotiana tabacum L.) plants. It is shown that the constitutive level of proline in the transgenic plants T0 exceeds that of the SR1 reference line by 1.5 to 4 times. Under conditions of salt stress (200, 300 mM NaCl) T1-generation transgenic plants in early stages of development formed a large biomass, developed more quickly, and had a higher rate of root growth compared to the control, which confirms the involvement of the P5CS1 gene in molecular mechanisms of stress resistance in plants.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Dec 16, 2015

References

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