Expression of a Thermostable Bacterial Cellulase in Transgenic Tobacco Plants

Expression of a Thermostable Bacterial Cellulase in Transgenic Tobacco Plants The bacterial gene of the thermostable endo-β-1,4-glucanase (cellulase) was shown to retain its activity and substrate specificity when expressed in transgenic tobacco plants. The leader peptide of the carrot extensin was efficient in transferring the bacterial enzyme into the apoplast. The expression of the bacterial cellulase gene leads to changes in the plant tissue morphology. In the transgenic plant lines, regeneration of primary shoots from callus occurred at the three to five times higher cytokinin (6-BAP) concentration than in control plants. The transgenic plants that expressed the bacterial gene exhibited increased bushiness and altered leaf shape. The transgenic plants developed can be used as models for studying the cellulases role and function in plants. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Expression of a Thermostable Bacterial Cellulase in Transgenic Tobacco Plants

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2003 by MAIK “Nauka/Interperiodica”
Subject
Biomedicine; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1023/A:1023227802029
Publisher site
See Article on Publisher Site

Abstract

The bacterial gene of the thermostable endo-β-1,4-glucanase (cellulase) was shown to retain its activity and substrate specificity when expressed in transgenic tobacco plants. The leader peptide of the carrot extensin was efficient in transferring the bacterial enzyme into the apoplast. The expression of the bacterial cellulase gene leads to changes in the plant tissue morphology. In the transgenic plant lines, regeneration of primary shoots from callus occurred at the three to five times higher cytokinin (6-BAP) concentration than in control plants. The transgenic plants that expressed the bacterial gene exhibited increased bushiness and altered leaf shape. The transgenic plants developed can be used as models for studying the cellulases role and function in plants.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Oct 7, 2004

References

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