Researchers have solved the structure of a novel insecticidal protein that is effective in protecting major crop plants like corn and soybean from pests and is naturally produced by ferns.
Professor Marilyn Anderson at La Trobe University said the discovery could lead to plant-made protein pest control for crop plants that are essential to global food production.
The newfound proteins offer an alternative mode of action and a potential solution to the problem of pest resistance to existing insecticidal methods. to produce insecticidal proteins for protection against major insect pests. The search for alternative solutions has been motivated by concerns that pests could develop resistance to these proteins.
The proteins were very effective in artificial diet-based assays against six of the major lepidopteran pests of maize and soybeans. Furthermore, maize and soybean plants producing IPD113 proteins were more resistant to insect damage to leaves, stems and ears, compared to control plants. For home gardeners and farmers, herbivorous insects present a major threat. The predator insects that feed on these bugs emit odors that pests can sense, which changes the pests' behavior and ...
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