A transgenic approach for controlling Lygus in cotton
Abstract
Lygus species of plant-feeding insects have emerged as economically important pests of cotton in the United States. These species are not controlled by commercial Bacillus thuringiensis (Bt) cotton varieties resulting in economic losses and increased application of insecticide. Previously, a Bt crystal protein (Cry51Aa2) was reported with insecticidal activity against Lygus spp. However, transgenic cotton plants expressing this protein did not exhibit effective protection from Lygus feeding damage. Here we employ various optimization strategies, informed in part by protein crystallography and modelling, to identify limited amino-acid substitutions in Cry51Aa2 that increase insecticidal activity towards Lygus spp. by >200-fold. Transgenic cotton expressing the variant protein, Cry51Aa2.834_16, reduce populations of Lygus spp. up to 30-fold in whole-plant caged field trials. One transgenic event, designated MON88702, has been selected for further development of cotton varieties that could potentially reduce or eliminate insecticide application for control of Lygus and the associated environmental impacts.
- Authors:
-
- Monsanto Company, Chesterfield, MO (United States)
- Monsanto Company, Chesterfield, MO (United States); Visterra Inc, Cambridge, MA (United States)
- Cornell Univ., Ithaca, NY (United States); Monsanto Company, Chesterfield, MO (United States)
- Publication Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1267458
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nature Communications
- Additional Journal Information:
- Journal Volume: 7; Journal Issue: 1; Journal ID: ISSN 2041-1723
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- ENGLISH
- Subject:
- 59 BASIC BIOLOGICAL SCIENCES; Agricultural genetics; Mutagenesis; Transgenic plants
Citation Formats
Gowda, Anilkumar, Rydel, Timothy J., Wollacott, Andrew M., Brown, Robert S., Akbar, Waseem, Clark, Thomas L., Flasinski, Stanislaw, Nageotte, Jeffrey R., Read, Andrew C., Shi, Xiaohong, Werner, Brent J., Pleau, Michael J., and Baum, James A. A transgenic approach for controlling Lygus in cotton. United States: N. p., 2016.
Web. doi:10.1038/ncomms12213.
Gowda, Anilkumar, Rydel, Timothy J., Wollacott, Andrew M., Brown, Robert S., Akbar, Waseem, Clark, Thomas L., Flasinski, Stanislaw, Nageotte, Jeffrey R., Read, Andrew C., Shi, Xiaohong, Werner, Brent J., Pleau, Michael J., & Baum, James A. A transgenic approach for controlling Lygus in cotton. United States. https://doi.org/10.1038/ncomms12213
Gowda, Anilkumar, Rydel, Timothy J., Wollacott, Andrew M., Brown, Robert S., Akbar, Waseem, Clark, Thomas L., Flasinski, Stanislaw, Nageotte, Jeffrey R., Read, Andrew C., Shi, Xiaohong, Werner, Brent J., Pleau, Michael J., and Baum, James A. Mon .
"A transgenic approach for controlling Lygus in cotton". United States. https://doi.org/10.1038/ncomms12213. https://www.osti.gov/servlets/purl/1267458.
@article{osti_1267458,
title = {A transgenic approach for controlling Lygus in cotton},
author = {Gowda, Anilkumar and Rydel, Timothy J. and Wollacott, Andrew M. and Brown, Robert S. and Akbar, Waseem and Clark, Thomas L. and Flasinski, Stanislaw and Nageotte, Jeffrey R. and Read, Andrew C. and Shi, Xiaohong and Werner, Brent J. and Pleau, Michael J. and Baum, James A.},
abstractNote = {Lygus species of plant-feeding insects have emerged as economically important pests of cotton in the United States. These species are not controlled by commercial Bacillus thuringiensis (Bt) cotton varieties resulting in economic losses and increased application of insecticide. Previously, a Bt crystal protein (Cry51Aa2) was reported with insecticidal activity against Lygus spp. However, transgenic cotton plants expressing this protein did not exhibit effective protection from Lygus feeding damage. Here we employ various optimization strategies, informed in part by protein crystallography and modelling, to identify limited amino-acid substitutions in Cry51Aa2 that increase insecticidal activity towards Lygus spp. by >200-fold. Transgenic cotton expressing the variant protein, Cry51Aa2.834_16, reduce populations of Lygus spp. up to 30-fold in whole-plant caged field trials. One transgenic event, designated MON88702, has been selected for further development of cotton varieties that could potentially reduce or eliminate insecticide application for control of Lygus and the associated environmental impacts.},
doi = {10.1038/ncomms12213},
journal = {Nature Communications},
number = 1,
volume = 7,
place = {United States},
year = {Mon Jul 18 00:00:00 EDT 2016},
month = {Mon Jul 18 00:00:00 EDT 2016}
}
Web of Science
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