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Identification Of Molecular Mechanisms Of Resistance To Transgenic Maize Producing The Cry1fa Protein In Different Spodoptera Frugiperda Populations, Rahul Banerjee
Doctoral Dissertations
The use of transgenic maize event TC1507 producing the Cry1Fa insecticidal protein from the bacterium Bacillus thuringiensis has been very useful to control the target lepidopteran insect pest Spodoptera frugiperda. The extensive use of this transgenic maize event resulted in high selection pressure for development of Cry1Fa resistance in field insects in multiple locations, including Brazil, Puerto Rico and the southeastern USA. Resistance developed in Puerto Rico was characterized in the 456LS3 strain originated from that island as monogenic, autosomal recessive and associated with reduced expression of a membrane bound alkaline phosphatase (SfmALP2). Currently, we focused on identifying the …