Bacillus thuringiensis: en el manejo del agente de la pudrición blanda de la papa Erwinia carotovora

Diana Daniela Portela-Dussán; Alejandro Chaparro-Giraldo; Silvio Alejandro López-Pazos

doi:10.22490/24629448.1024

Vol. 11 No. 20 (2013)

Published

2013-12-15

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Bacillus thuringiensiscontrol of the potato soft rot Erwinia carotovora

DOI: https://doi.org/10.22490/24629448.1024

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Research Article (before OJS)

Diana Daniela Portela-Dussán Universidad Nacional de Colombia

Alejandro Chaparro-Giraldo Universidad Nacional de Colombia

Silvio Alejandro López-Pazos Universidad Nacional de Colombia. Facultad de Ciencias de la Salud, Universidad Colegio Mayor de Cundinamarca,

In Colombia the potato crop is the fourth in importance in the economy of the country, its production reached 300 million tons. Erwinia carotovora is a Gram-negative bacterium, facultative anaerobic which causes the soft rotting of the potato; it can potentially generate up to 100% damage in the crop, which causes large economic losses. It has been established that the bacterium Bacillus thuringiensis is able to suppress the virulence of E. caratovora because it produces N-acyl-homoserine-lactonasa, a powerful enzyme that degrades of N-acyl-homoserinolactonas, which are indispensable in the quorum-sensing mechanism of E. caratovora. This can be an important alternative for the control of the disease of the soft rotting of the potato. Considering the above, this article describes the process used by the bacterium B. thuringiensis to inhibit the activity of E. caratovora.

Bacillus thuringiensis, Erwinia carotovora, Quorum-sensing, potato soft rot.

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Portela-Dussán, D. D., Chaparro-Giraldo, A., & López-Pazos, S. A. (2013). Bacillus thuringiensiscontrol of the potato soft rot Erwinia carotovora. NOVA Biomedical Sciences Journal, 11(20), 39-44. https://doi.org/10.22490/24629448.1024

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Bacillus thuringiensiscontrol of the potato soft rot Erwinia carotovora

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