Research Article | Volume: 5, Issue: 1, Jan-Feb, 2017

Control of Fusarium oxysporum infection in transgenic tobacco carrying oxalate descarboxilase gene

Danielle L. A. S. Amaral Natália dos Anjos Pinto Vinicius Carius de Souza Francisco José Lima Aragão Marcelo de Oliveira Santos   

Open Access   

Published:  Jan 20, 2017

DOI: 10.7324/JABB.2017.50114

Fusarium oxysporum is a widespread necrotrophic plant pathogen. Its infection affects several crop plants such as potato, tomato, cotton, banana, coffee, strawberry and sugarcane. The fungus produces oxalic acid, which triggers apoptosis in plants by a reactive oxygen species-dependent mechanism. Tobacco plants were genetically modified to express a gene coding for the enzyme oxalate descarboxilase (OxDc), isolated from Flammulina velutipes. The transgenic plants showed tolerance to Fusarium oxysporum. Even under lower expression of the gene, plants were able to control F. oxysporum infection. Thus, we demonstrated that the expression of the oxdc gene is a good alternative for the development of F. oxysporum resistant crops.

Keyword:     Oxalate Descarboxilase Necrotrophic Genetic Transformation.


Amaral DLAS, Pinto NA, Souza VC, Aragão FJL, Santos MO. Control of Fusarium oxysporum infection in transgenic tobacco carrying oxalate descarboxilase gene. J App Biol Biotech. 2017; 5 (01): 079-083. DOI: 10.7324/JABB.2017.50114

Copyright: Author(s). This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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