Characterization of the Spectrum of Activity of IPD079Ea: A Protein Derived From Ophioglossum pendulum

Western corn rootworm (Diabrotica virgifera virgifera LeConte) is a major pest of corn in both North America and Europe and as such presents significant challenges for farmers. IPD079Ea protein is encoded by the ipd079Ea gene from Ophioglossum pendulum (a species of fern) and was found to have activ...

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Published in:Journal of economic entomology 2022-10, Vol.115 (5), p.1531
Main Authors: Boeckman, Chad J, Ballou, Stephan, Gunderson, Tim, Huang, Emily, Linderblood, Chris, Olson, Taylor, Stolte, Brian, LeRoy, Kristine, Walker, Carl, Wang, Yiwei, Woods, Rachel, Zhang, John
Format: Article
Language:English
Subjects:
Agricultural pests
Amino acids
Beetles
Corn
Pteridophytes
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container_issue 5
container_start_page 1531
container_title Journal of economic entomology
container_volume 115
creator Boeckman, Chad J
Ballou, Stephan
Gunderson, Tim
Huang, Emily
Linderblood, Chris
Olson, Taylor
Stolte, Brian
LeRoy, Kristine
Walker, Carl
Wang, Yiwei
Woods, Rachel
Zhang, John
description Western corn rootworm (Diabrotica virgifera virgifera LeConte) is a major pest of corn in both North America and Europe and as such presents significant challenges for farmers. IPD079Ea protein is encoded by the ipd079Ea gene from Ophioglossum pendulum (a species of fern) and was found to have activity against western corn rootworm in multiple corn events transformed to express the IPD079Ea protein. In chronic laboratory hazard studies, IPD079Ea protein was fed to eleven species in the order Coleoptera and four species in the order Lepidoptera to assess the spectrum of activity. Activity was observed on certain species of the Chrysomelidae and Coccinellidae families, with western corn rootworm as the most sensitive insect tested. No adverse effects on mortality or other sublethal endpoints were observed on any species within Lepidoptera. Overall, IPD079Ea protein appears not to have broad insecticidal properties and has potential value as an effective trait to control western corn rootworm in agricultural systems. Keywords: western corn rootworm, spectrum of activity, insecticidal protein, Coleoptera, Ophioglossum pendulum
doi_str_mv 10.1093/jee/toac079
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subjects Agricultural pests
Amino acids
Beetles
Corn
Pteridophytes
title Characterization of the Spectrum of Activity of IPD079Ea: A Protein Derived From Ophioglossum pendulum
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