Section 46
Chapter 45,631

Construction and analysis of transgenic plants of Nicotiana tabacum L. expressing a bacterial gene for beta-1,3-glucanase. II. Transgenic tobacco plants expressing the bacterial beta-glucanase gene from Clostridium thermocellum,--a model for studying the differential expression of stress response-related genes

Darbinian, N.S.; Popov, I.G.; Mochul'skiĭ, A.V.; Oming, D.; Piruzian, E.S.; Vasilevko, V.T.

Genetika 32(2): 204-210


ISSN/ISBN: 0016-6758
PMID: 8713621
Accession: 045630823

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The modified hybrid beta-1,3-glucanase gene (glc) of Clostridium thermocellum was expressed in tobacco Nicotiana tabacum. The glc gene was cloned into two plasmids, pC27-glc and pC29-glc, in which its expression was controlled by the TR2' promoter of the 2' gene of T-DNA and the rbcS promoter of Arabidopsis, respectively. These constructions were used for transformation of agrobacteria followed by transfer into plants. In transformed plants, each plasmid caused a high level of activity of thermostable bacterial glucanase not observed in reference plants. The plants obtained were used to study activation of some defense-related genes induced by their interaction with either tobacco mosaic virus (TMV) or a pathogenic fungus.