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Applied and Environmental Microbiology, September 2005, p. 5627-5629, Vol. 71, No. 9
0099-2240/05/$08.00+0     doi:10.1128/AEM.71.9.5627-5629.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.

SHORT REPORT

Common Receptor for Bacillus thuringiensis Toxins Cry1Ac, Cry1Fa, and Cry1Ja in Helicoverpa armigera, Helicoverpa zea, and Spodoptera exigua

Carmen Sara Hernández and Juan Ferré*

Departament de Genètica, Universitat de València, 46100 Burjassot, Valencia, Spain

Received 24 January 2005/ Accepted 23 March 2005

Binding studies using 125I-Cry1Ac and biotinylated Cry1Fa toxins indicate the occurrence of a common receptor for Cry1Ac, Cry1Fa, and Cry1Ja in Helicoverpa armigera, Helicoverpa zea, and Spodoptera exigua. Our results, along with previous binding data and the observed cases of cross-resistance, suggest that this pattern seems to be widespread among lepidopteran species.

* Corresponding author. Mailing address: Departament de Genètica, Universitat de València, Dr. Moliner 50, 46100 Burjassot, Valencia, Spain. Phone: 34-96-354-4506. Fax: 34-96-354-3029. E-mail: Juan.Ferre{at}uv.es.

Applied and Environmental Microbiology, September 2005, p. 5627-5629, Vol. 71, No. 9
0099-2240/05/$08.00+0     doi:10.1128/AEM.71.9.5627-5629.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.



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  • Rodrigo-Simon, A., de Maagd, R. A., Avilla, C., Bakker, P. L., Molthoff, J., Gonzalez-Zamora, J. E., Ferre, J. (2006). Lack of Detrimental Effects of Bacillus thuringiensis Cry Toxins on the Insect Predator Chrysoperla carnea: a Toxicological, Histopathological, and Biochemical Analysis. Appl. Environ. Microbiol. 72: 1595-1603 [Abstract] [Full Text]  


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