Changes in glutathione S-transferase activity in DDT resistant natural Mexican populations of Anopheles albimanus under different insecticide resistance management strategies

Penilla, R. P., Rodriguez, A. D., Hemingway, Janet ORCID: https://orcid.org/0000-0002-3200-7173, Torres, J. L., Solis, F. and Rodriguez, M. H. (2006) 'Changes in glutathione S-transferase activity in DDT resistant natural Mexican populations of Anopheles albimanus under different insecticide resistance management strategies'. Pesticide Biochemistry and Physiology, Vol 86, Issue 2, pp. 63-71.

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Abstract

Biochemical assays on Anopheles albimanus collected for 3 years in southern Mexico villages after house spraying of a single insecticide [DDT or a pyrethroid (PYR)], a two insecticide mosaic [organophosphate (OP)/PYR] or a three insecticide annual rotation (OP-PYR-carbamate), defined he relative rates of selection of glutathione S-transferase-based resistance. After 3 years of rotation, mosaic and single PYR strategies, there was a decrease in the glutathione S-transferase (GST) activity, returning to susceptible levels, with few variations. In the rotation strategy, GST activity increased significantly in one group of villages, when OP treatment was replaced by the PYR in the 2nd treatment year. While, GST activity increased only in one village out of six continuously PYR-treated in the 1st year. In the DDT-treated villages, one group had increased activity in the 1 st year, but this declined in years 2 and 3; GST activity of the other DDT-treated group were unchanged during the trial. (c) 2006 Elsevier Inc. All rights reserved.

Item Type:	Article
Uncontrolled Keywords:	anopheles albimanus glutathione s-transferase resistance management strategies insecticide selection pressures vector control mosaic rotation mexico vector mosquito-control scale field trial heterologous expression musca-domestica gambiae dehydrochlorinase identification purification metabolism mechanisms
Subjects:	QX Parasitology > Insects. Other Parasites > QX 515 Anopheles QX Parasitology > Insects. Other Parasites > QX 600 Insect control. Tick control
Faculty: Department:	Groups (2002 - 2012) > Vector Group
Digital Object Identifer (DOI):	https://doi.org/10.1016/j.pestbp.2006.01.006
Depositing User:	Ms Julia Martin
Date Deposited:	07 Feb 2011 10:41
Last Modified:	06 Feb 2018 13:02
URI:	https://archive.lstmed.ac.uk/id/eprint/1576

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