Publications by authors named "Sharon Downes"

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Disruption of HaVipR1 confers Vip3Aa resistance in the moth crop pest Helicoverpa armigera.
Andreas Bachler, Amanda Padovan, Craig J Anderson, Yiyun Wei, Yidong Wu, Sharon Downes

PLoS Biol· May 2025

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Global population genomic signature of Spodoptera frugiperda (fall armyworm) supports complex introduction events across the Old World.
Wee Tek Tay, Rahul V Rane, Amanda Padovan, Tom K Walsh, Samia Elfekih, Sharon Downes

Commun Biol· April 2022

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HearNPV susceptibility in Helicoverpa armigera and Helicoverpa punctigera strains resistant to Bt toxins Cry1Ac, Cry2Ab, and Vip3Aa.
Louisa C E Windus, Adele M Jones, Sharon Downes, Tom Walsh, Kristen Knight

J Invertebr Pathol· July 2021

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Governing evolution: A socioecological comparison of resistance management for insecticidal transgenic Bt crops among four countries.
Yves Carrière, Zachary S Brown, Sharon J Downes, Govind Gujar, Graham Epstein

Ambio· January 2020

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Multiple recombination events between two cytochrome P450 loci contribute to global pyrethroid resistance in Helicoverpa armigera.
Thomas K Walsh, Nicole Joussen, Kai Tian, Angela McGaughran, Craig J Anderson, Sharon Downes

PLoS One· April 2019

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ABC transporter mis-splicing associated with resistance to Bt toxin Cry2Ab in laboratory- and field-selected pink bollworm.
Lolita G Mathew, Jeyakumar Ponnuraj, Bheemanna Mallappa, Lingutla R Chowdary, Jianwei Zhang, Sharon Downes

Sci Rep· September 2018

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Analysis of cross-resistance to Vip3 proteins in eight insect colonies, from four insect species, selected for resistance to Bacillus thuringiensis insecticidal proteins.
Joaquín Gomis-Cebolla, Yuequin Wang, Yudong Quan, Kanglai He, Tom Walsh, Sharon Downes

J Invertebr Pathol· June 2018

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Isolating, characterising and identifying a Cry1Ac resistance mutation in field populations of Helicoverpa punctigera.
Tom Walsh, Bill James, Maissa Chakroun, Juan Ferré, Sharon Downes

Sci Rep· February 2018

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Spatio-Temporal Variation in Landscape Composition May Speed Resistance Evolution of Pests to Bt Crops.
Anthony R Ives, Cate Paull, Andrew Hulthen, Sharon Downes, David A Andow

PLoS One· September 2017

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A perspective on management of Helicoverpa armigera: transgenic Bt cotton, IPM, and landscapes.
Sharon Downes, Darren Kriticos, Hazel Parry, Cate Paull, Nancy Schellhorn

Pest Manag Sci· March 2017

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Mitochondrial DNA and trade data support multiple origins of Helicoverpa armigera (Lepidoptera, Noctuidae) in Brazil.
Wee Tek Tay, Thomas K Walsh, Sharon Downes, Craig Anderson, Lars S Jermiin

Sci Rep· March 2017

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Bt resistance in Australian insect pest species.
Sharon Downes, Tom Walsh, Wee Tek Tay

Curr Opin Insect Sci· June 2016

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Characterization of the resistance to Vip3Aa in Helicoverpa armigera from Australia and the role of midgut processing and receptor binding.
Maissa Chakroun, Núria Banyuls, Tom Walsh, Sharon Downes, Bill James

Sci Rep· April 2016

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Insect Resistance to Bacillus thuringiensis Toxin Cry2Ab Is Conferred by Mutations in an ABC Transporter Subfamily A Protein.
Wee Tek Tay, Rod J Mahon, David G Heckel, Thomas K Walsh, Sharon Downes

PLoS Genet· November 2015

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Toxicity and Cross-Resistance of Insecticides to Cry2Ab-Resistant and Cry2Ab-Susceptible Helicoverpa armigera and Helicoverpa punctigera (Lepidoptera: Noctuidae).
Lisa J Bird, Sharon J Downes

J Econ Entomol· October 2014

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Successes and challenges of managing resistance in Helicoverpa armigera to Bt cotton in Australia.
Sharon Downes, Rod Mahon

GM Crops Food· August 2014

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A brave new world for an old world pest: Helicoverpa armigera (Lepidoptera: Noctuidae) in Brazil.
Wee Tek Tay, Miguel F Soria, Thomas Walsh, Danielle Thomazoni, Pierre Silvie, Sharon Downes

PLoS One· July 2014

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Vip3A resistance alleles exist at high levels in Australian targets before release of cotton expressing this toxin.
Rod J Mahon, Sharon J Downes, Bill James

PLoS One· March 2013

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Evolution, ecology and management of resistance in Helicoverpa spp. to Bt cotton in Australia.
Sharon Downes, Rod Mahon

J Invertebr Pathol· July 2012

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Adaptive management of pest resistance by Helicoverpa species (Noctuidae) in Australia to the Cry2Ab Bt toxin in Bollgard II® cotton.
Sharon Downes, Rodney J Mahon, Louise Rossiter, Greg Kauter, Tracey Leven

Evol Appl· September 2010

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Incipient resistance of Helicoverpa punctigera to the Cry2Ab Bt toxin in Bollgard II cotton.
Sharon Downes, Tracey Parker, Rod Mahon

PLoS One· September 2010

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Binding site alteration is responsible for field-isolated resistance to Bacillus thuringiensis Cry2A insecticidal proteins in two Helicoverpa species.
Silvia Caccia, Carmen Sara Hernández-Rodríguez, Rod J Mahon, Sharon Downes, William James

PLoS One· April 2010

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An experimental study of the effects of weed invasion on lizard phenotypes.
Sharon Downes, Anke-Maria Hoefer

Oecologia· September 2007

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Monitoring and adaptive resistance management in Australia for Bt-cotton: current status and future challenges.
Sharon Downes, Rod Mahon, Karen Olsen

J Invertebr Pathol· July 2007

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Do incubation-induced changes in a lizard's phenotype influence its vulnerability to predators?
Sharon J Downes, Richard Shine

Oecologia· July 1999

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