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Biochemical and genetic characterization of the sugarcane glutathione S-transferases (GSTs) involved in the disintoxication of herbicides

Abstract

Glutathione S-transferases (GST) is an enzyme which has the capability of conferring resistance to the harmful effects of herbicides in various crops, principally gramineous. In the same way, synthetic compounds called safeners (protectors) have the capability of inducing the expression of GSTs in gramineous plants which, in turn, protect the crop from the application of certain herbicides. In sugarcane, preliminary results suggest the potential of the GSTs for tolerance to some herbicides used in cultivation. Sucest identified countless presumable transcripts of the main classes of this enzyme, but functional studies of the GSTs in response to the herbicides have yet to be undertaken. Therefore, the identification and characterization of the isoforms of sugarcane GSTsthat are associated to the response to the application of herbicides and safeners offer potential in the possible selection of cultivars with a differential expression or isoforms which increase tolerance to herbicides, or even their use for direct manipulation in transgenic plants. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
RENATO RODRIGUES FERREIRA; FABRÍCIO TADEU RODRIGUES DE OLIVEIRA; FABRÍCIO DE SOUZA DELITE; RICARDO ANTUNES AZEVEDO; MARCELO NICOLAI; SAUL JORGE PINTO DE CARVALHO; PEDRO JACOB CHRISTOFFOLETI; ANTONIO VARGAS DE OLIVEIRA FIGUEIRA. Tolerância diferencial de variedades de cana-de-açúcar a estresse por herbicidas. Bragantia, v. 69, n. 2, p. 395-404, 2010.

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