Search Results - "DOWNES, Sharon"

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

“…Crops engineered to produce insecticidal crystal (Cry) proteins from the soil bacterium Bacillus thuringiensis (Bt) have revolutionised pest control in…”
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A brave new world for an old world pest: Helicoverpa armigera (Lepidoptera: Noctuidae) in Brazil by Tay, Wee Tek, Soria, Miguel F, Walsh, Thomas, Thomazoni, Danielle, Silvie, Pierre, Behere, Gajanan T, Anderson, Craig, Downes, Sharon

“…The highly polyphagous Old World cotton bollworm Helicoverpa armigera is a quarantine agricultural pest for the American continents. Historically H. armigera…”
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Insect Resistance to Bacillus thuringiensis Toxin Cry2Ab Is Conferred by Mutations in an ABC Transporter Subfamily A Protein by Tay, Wee Tek, Mahon, Rod J, Heckel, David G, Walsh, Thomas K, Downes, Sharon, James, William J, Lee, Sui-Fai, Reineke, Annette, Williams, Adam K, Gordon, Karl H J

“…The use of conventional chemical insecticides and bacterial toxins to control lepidopteran pests of global agriculture has imposed significant selection…”
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Governing evolution: A socioecological comparison of resistance management for insecticidal transgenic Bt crops among four countries by Carrière, Yves, Brown, Zachary S., Downes, Sharon J., Gujar, Govind, Epstein, Graham, Omoto, Celso, Storer, Nicholas P., Mota-Sanchez, David, Jørgensen, Peter Søgaard, Carroll, Scott P.

“…Cooperative management of pest susceptibility to transgenic Bacillus thuringiensis (Bt) crops is pursued worldwide in a variety of forms and to varying degrees…”
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Incipient resistance of Helicoverpa punctigera to the Cry2Ab Bt toxin in Bollgard II cotton by Downes, Sharon, Parker, Tracey, Mahon, Rod

“…Combinations of dissimilar insecticidal proteins ("pyramids") within transgenic plants are predicted to delay the evolution of pest resistance for…”
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Toxicity and Cross-Resistance of Insecticides to Cry2Ab-Resistant and Cry2Ab-Susceptible Helicoverpa armigera and Helicoverpa punctigera (Lepidoptera: Noctuidae) by Bird, Lisa J., Downes, Sharon J.

“…Since 2004–2005 cotton expressing Cry1Ac and Cry2Ab insecticidal proteins from the bacterium Bacillus thuringiensis has been commercially available in…”
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Multiple recombination events between two cytochrome P450 loci contribute to global pyrethroid resistance in Helicoverpa armigera by Walsh, Thomas K, Joussen, Nicole, Tian, Kai, McGaughran, Angela, Anderson, Craig J, Qiu, Xinghui, Ahn, Seung-Joon, Bird, Lisa, Pavlidi, Nena, Vontas, John, Ryu, Jaeeun, Rasool, Akhtar, Barony Macedo, Isabella, Tay, Wee Tek, Zhang, Yongjun, Whitehouse, Mary E A, Silvie, Pierre Jean, Downes, Sharon, Nemec, Lori, Heckel, David G

“…The cotton bollworm, Helicoverpa armigera (Hübner) is one of the most serious insect pest species to evolve resistance against many insecticides from different…”
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Trading Heat and Food for Safety: Costs of Predator Avoidance in a Lizard by Downes, Sharon

“…I examined the long-term consequences of a trade-off between predation risk and resource acquisition for the garden skink (Lampropholis guichenoti) by rearing…”
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Stay or move: how Bt‐susceptible Helicoverpa armigera neonates behave on Bt cotton plants by Luong, Tuyet Thi Anh, Cribb, Bronwen W., Downes, Sharon J., Perkins, Lynda E., Zalucki, Myron P.

“…Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) larvae occasionally have been reported to survive at management threshold levels in fields of Bollgard…”
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Spatio-Temporal Variation in Landscape Composition May Speed Resistance Evolution of Pests to Bt Crops by Ives, Anthony R, Paull, Cate, Hulthen, Andrew, Downes, Sharon, Andow, David A, Haygood, Ralph, Zalucki, Myron P, Schellhorn, Nancy A

“…Transgenic crops that express insecticide genes from Bacillus thuringiensis (Bt) are used worldwide against moth and beetle pests. Because these engineered…”
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Successes and challenges of managing resistance in Helicoverpa armigera to Bt cotton in Australia by Downes, Sharon, Mahon, Rod

“…Bt cotton has been gradually released and adopted by Australian growers since 1996. It was initially deployed in Australia primarily to control the polyphagous…”
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Global population genomic signature of Spodoptera frugiperda (fall armyworm) supports complex introduction events across the Old World by Tay, Wee Tek, Rane, Rahul V., Padovan, Amanda, Walsh, Tom K., Elfekih, Samia, Downes, Sharon, Nam, Kiwong, d’Alençon, Emmanuelle, Zhang, Jianpeng, Wu, Yidong, Nègre, Nicolas, Kunz, Daniele, Kriticos, Darren J., Czepak, Cecilia, Otim, Michael H., Gordon, Karl H. J.

“…Native to the Americas, the invasive Spodoptera frugiperda (fall armyworm; FAW) was reported in West Africa in 2016, followed by its chronological detection…”
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Binding Site Alteration Is Responsible for Field-Isolated Resistance to Bacillus thuringiensis Cry2A Insecticidal Proteins in Two Helicoverpa Species by Caccia, Silvia, Hernández-Rodríguez, Carmen Sara, Mahon, Rod J, Downes, Sharon, James, William, Bautsoens, Nadine, Rie, Jeroen Van, Ferré, Juan

“…Background: Evolution of resistance by target pests is the main threat to the long-term efficacy of crops expressing Bacillus thuringiensis (Bt) insecticidal…”
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Feeding behaviour and survival of Bacillus thuringiensis‐resistant and Bacillus thuringiensis‐susceptible larvae of Helicoverpa armigera (Lepidoptera: Noctuidae) exposed to a diet with Bacillus thuringiensis toxin by Luong, Tuyet T A, Zalucki, Myron P, Perkins, Lynda E, Downes, Sharon J

“…Although higher than expected numbers of surviving larvae of Helicoverpa spp. are reported in some Bollgard II cotton fields from time to time, there is no…”
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Does Responsiveness to Predator Scents Affect Lizard Survivorship? by Downes, Sharon J.

“…Many prey organisms respond to predator scent by shifting behaviour. These alterations to behaviour are often assumed to increase an animal's chances of…”
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Can Pregnant Lizards Adjust Their Offspring Phenotypes to Environmental Conditions? by Shine, Richard, Downes, Sharon J.

“…We exposed females of a highly placentotrophic viviparous scincid lizard (Pseudemoia pagenstecheri) to various environmental factors during pregnancy, and…”
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Antibiotic and pesticide susceptibility and the Anthropocene operating space by Jørgensen, Peter Søgaard, Aktipis, Athena, Brown, Zachary, Carrière, Yves, Downes, Sharon, Dunn, Robert R., Epstein, Graham, Frisvold, George B., Hawthorne, David, Gröhn, Yrjö T., Gujar, Govind Tikaramsa, Jasovský, Dušan, Klein, Eili Y., Klein, Franziska, Lhermie, Guillaume, Mota-Sanchez, David, Omoto, Celso, Schlüter, Maja, Scott, H. Morgan, Wernli, Didier, Carroll, Scott P.

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Does social behaviour reliably reflect temperature-dependent physiological capacity in geckos? by Kondo, Junko, Downes, Sharon J.

“…Animals with low energy budgets may attempt to deceive their opponents during contests by producing social displays that falsely indicate their physiological…”
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Do Incubation-Induced Changes in a Lizard's Phenotype Influence Its Vulnerability to Predators? by Downes, Sharon J., Shine, Richard

“…Strong evidence affirms that incubation temperatures can influence the phenotype of hatchling reptiles, but few studies have examined the fitness consequences…”
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Does Reproductive State Affect a Lizard's Behavior toward Predator Chemical Cues? by Downes, Sharon J., Bauwens, Dirk

“…We examined how reproductive state affected shifts in behavior of adult female Podarcis sicula toward chemical cues from a natural snake predator (Coronella…”
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