Effect of altitude on the genetic structure of an Alpine grass, Poa hiemata (2009)
Byars, Sean G., Parsons, Yvonne, Hoffmann, Ary A.
Background and Aims The persistence of plants inhabiting restricted alpine areas under climate change will depend upon many factors including levels of genetic variation in adaptive traits,...
Kearney, Michael, Porter, Warren P., Williams, Craig, Ritchie, Scott, Hoffmann, Ary A.
1. Climate change will alter the distribution and abundance of many species, including those of concern to human health. Accurate predictions of these impacts must be based on an understanding of the...
Towards an Integrated Framework for Assessing the Vulnerability of Species to Climate Change (2008)
Stephen E. Williams, Luke P. Shoo, Joanne L. Isaac, Ary A. Hoffmann, Gary Langham
Towards an integrated framework for assessing the vulnerability of species to climate change (2008)
Williams, Stephen E., Shoo, Luke P., Isaac, Joanne L., Hoffmann, Ary A., Langham, Gary
This publication does not have an abstract.
DNA identification of urban Tanytarsini chironomids (Diptera:Chironomidae) (2007)
Melissa E. Carew, Vincent Pettigrove, Renee L. Cox, Ary A. Hoffmann
Ecologically Sustainable Chemical Recommendations for Agricultural Pest Control? (2007)
Linda J. Thomson, Ary A. Hoffmann
Effective pest control remains an essential part of food production, and it is provided both by chemicals and by natural enemies within agricultural ecosystems. These methods of control are often in...
Sean G. Byars, Warwick Papst, Ary A. Hoffmann
Alpine environments are particularly susceptible to environmental changes associated with global warming but there is potential for alpine plants to adapt to warming if local adaptation occurs and...
Commercial Agrochemical Applications in Vineyards Do Not Influence Ant Communities (2007)
Chee Seng Chong, Ary A. Hoffmann, Linda J. Thomson
Ants have been widely used as bioindicators for various terrestrial monitoring and assessment programs but are seldom considered in evaluation of nontarget pesticide effect. Much chemical assessment...
From Parasite to Mutualist: Rapid Evolution of Wolbachia in Natural Populations of Drosophila (2007)
Andrew R. Weeks, Michael Turelli, William R. Harcombe, K. Tracy Reynolds, Ary A. Hoffmann
Wolbachia are maternally inherited bacteria that commonly spread through host populations by causing cytoplasmic incompatibility, often expressed as reduced egg hatch when uninfected females mate...
HSP90 AND THE QUANTITATIVE VARIATION OF WING SHAPE IN DROSOPHILA MELANOGASTER (2006)
Vincent Debat, Claire C. Milton, Suzannah Rutherford, Christian Peter Klingenberg, Ary A. Hoffmann
Michele Schiffer, A. Stuart Gilchrist, Ary A. Hoffmann
Divergence among populations can occur via additive genetic effects and/or because of epistatic interactions among genes. Here we use line-cross analysis to compare the importance of epistasis in...
Djoko Prijono, Michelle Robinson, Aunu Rauf, Tracey Bjorksten, Ary A. Hoffmann
Liriomyza huidobrensis (Blanchard) and Liriomyza sativae (Blanchard) are important pests of vegetable crops in Indonesia and are likely to spread to neighboring countries. Three pesticides (dimehypo,...
Martina B. Bernard, Paul A. Horne, Ary A. Hoffmann
Laboratory bioassays for testing the effect of agrochemicals on Euseius victoriensis (Womersley) and Galendromus occidentalis (Nesbitt) on detached leaves of Glycine max (L.) (soybean) and Phaseolus...
Bradley J. Rundle, Linda J. Thomson, Ary A. Hoffmann
Delaying emergence of Trichogramma spp. is critical for commercial production. Here, diapause induction was considered for three species (Trichogramma nr. brassicae Bezdenko, Trichogramma carverae...
Swarna Hewa-Kapuge, Sandra McDougall, Ary A. Hoffmann
Trichogramma nr. brassicae is a common egg parasitoid of Helicoverpa species in Australian processing tomatoes, but its effectiveness can be severely curtailed by insecticide applications. To...
Bradley J. Rundle, Ary A. Hoffmann
Overwintering of Trichogramma (Trichogrammanza) funiculatum Carver was studied under seminatural temperate conditions by considering development time within eggs of the light brown apple moth,...
Kolliker-Ott, Ursula M., Blows, Mark W., Hoffmann, Ary A.
The effects of wing shape, wing size, and fluctuating asymmetry in these measures oil the field fitness of T. nr. brassicae and T. pretiosum were investigated. Trichogramma wasps mass-reared on eggs...
Kolliker-Ott, Ursula M., Blows, Mark W., Hoffmann, Ary A.
The effects of wing shape, wing size, and fluctuating asymmetry in these measures oil the field fitness of T. nr. brassicae and T. pretiosum were investigated. Trichogramma wasps mass-reared on eggs...
Ary A. Hoffmann, Eveline Collins, Richard Woods
Changes in the mean, variance and developmental instability of morphological traits have often been used to detect environmental stress in insects. Studies have focused on linear measurements,...
David M. Bennett, Kathleen T. Reynolds, Linda J. Thomson, Ary A. Hoffmann
As is the case with many egg parasitoids, parasitism rates in Trichogramma spp. vary markedly among individuals. Here we test whether this individual variability in Trichogramma carverae (Oatman and...
Linda J. Thomson, Ary A. Hoffmann
Laboratory fecundity assessments are routinely used to determine the quality of commercially reared Trichogramma egg parasitoids before release for pest control, but there is little information on...
RESPONSE TO NATURAL AND LABORATORY SELECTION AT THE DROSOPHILA HSP70 GENES (2002)
Brian R. Bettencourt, InYoung Kim, Ary A. Hoffmann, Martin E. Feder
To determine whether and how laboratory and natural selection act on the hsp70 (70-Kd heat-shock protein) genes of Drosophila melanogaster, we examined hsp70 allele frequencies in two sets of...
Michelle T. Robinson, Andrew R. Weeks, Ary A. Hoffmann
Patterns of clonal diversity in parthenogenetic species can be influenced by occasional sexual reproduction, selection due to environmental heterogeneity, and genetic drift. Here we investigate...
GEOGRAPHIC VARIATION FOR WING SHAPE IN DROSOPHILA SERRATA (2002)
Ary A. Hoffmann, Jennifer Shirriffs
Geographic variation in wing shape in female Drosophila serrata was examined by characterizing isofemale strains from 19 localities collected along a transect on the eastern coast of Australia. Shape...
Ary A. Hoffmann, R. Hallas, C. Sinclair, P. Mitrovski
Stress resistance traits in Drosophila often show clinal variation. Although these patterns suggest selection, there is generally no attempt to test how large differences at the geographical level...
Swarna Hewa-Kapuge, Ary A. Hoffmann
Trichogramma are egg parasitoids that are widely cultured for the control of moth pests in commercial insectaries. Stock quality is often maintained by releasing wasps from a mass culture in an area...
Ary A. Hoffmann, Rebecca Hallas, Chantelle Sinclair, Linda Partridge
We investigate changes in resistance to desiccation and starvation during adaptation of Drosophila melanogaster to laboratory culture. We test the hypothesis that resistance to environmental stresses...
Evolutionary genetics and environmental stress / Ary A. Hoffmann and Peter A. Parsons (1991)
Incluye bibliografía e índice
McKechnie, Stephen W., Halford, Michael M., McColl, Gawain, Hoffmann, Ary A.
Inducible heat shock genes are considered a major component of the molecular mechanisms that confer cellular protection against a variety of environmental stresses, in particular high temperature...
Milton, Claire C., Huynh, Brandon, Batterham, Philip, Rutherford, Suzanne L., Hoffmann, Ary A.
The Hsp90 chaperone buffers development against a wide range of morphological changes in many organisms and in Drosophila masks the effects of hidden genetic variation. Theory predicts that genetic...
Cohan, Frederick M., Hoffmann, Ary A.
We have tested the hypothesis that genetic differences among conspecific populations may result in diverse responses to selection, using natural populations of Drosophila melanogaster. Selection for...
Kennington, W. Jason, Partridge, Linda, Hoffmann, Ary A.
The cosmopolitan inversion In(3R)Payne in Drosophila melanogaster decreases in frequency with increasing distance from the equator on three continents, indicating it is subject to strong natural...
Milton, Claire C., Batterham, Philip, McKenzie, John A., Hoffmann, Ary A.
The Hsp90 protein encoded by the Hsp83 gene is required for the development of many traits in Drosophila. Hsp83 is also thought to play a role in the expression of phenotypic and genetic variability...
Reynolds, K Tracy, Thomson, Linda J, Hoffmann, Ary A
Because of their obligate endosymbiotic nature, Wolbachia strains by necessity are defined by their phenotypic effects upon their host. Nevertheless, studies on the influence of host background and...
McKechnie, Stephen W., Halford, Michael M., McColl, Gawain, Hoffmann, Ary A.
Inducible heat shock genes are considered a major component of the molecular mechanisms that confer cellular protection against a variety of environmental stresses, in particular high temperature...
Milton, Claire C., Huynh, Brandon, Batterham, Philip, Rutherford, Suzanne L., Hoffmann, Ary A.
The Hsp90 chaperone buffers development against a wide range of morphological changes in many organisms and in Drosophila masks the effects of hidden genetic variation. Theory predicts that genetic...
Cohan, Frederick M., Hoffmann, Ary A.
We have tested the hypothesis that genetic differences among conspecific populations may result in diverse responses to selection, using natural populations of Drosophila melanogaster. Selection for...
Kennington, W. Jason, Partridge, Linda, Hoffmann, Ary A.
The cosmopolitan inversion In(3R)Payne in Drosophila melanogaster decreases in frequency with increasing distance from the equator on three continents, indicating it is subject to strong natural...
Milton, Claire C., Batterham, Philip, McKenzie, John A., Hoffmann, Ary A.
The Hsp90 protein encoded by the Hsp83 gene is required for the development of many traits in Drosophila. Hsp83 is also thought to play a role in the expression of phenotypic and genetic variability...
Reynolds, K Tracy, Thomson, Linda J, Hoffmann, Ary A
Because of their obligate endosymbiotic nature, Wolbachia strains by necessity are defined by their phenotypic effects upon their host. Nevertheless, studies on the influence of host background and...
From Parasite to Mutualist: Rapid Evolution of Wolbachia in Natural Populations of Drosophila
Weeks, Andrew R, Turelli, Michael, Harcombe, William R, Reynolds, K. Tracy, Hoffmann, Ary A
Wolbachia are maternally inherited bacteria that commonly spread through host populations by causing cytoplasmic incompatibility, often expressed as reduced egg hatch when uninfected females mate...
Kennington, W. Jason, Hoffmann, Ary A., Partridge, Linda
Associations between genotypes for inversions and quantitative traits have been reported in several organisms, but little has been done to localize regions within inversions controlling variation in...
Kristensen, Torsten Nygaard, Loeschcke, Volker, Hoffmann, Ary A
Artificially selected lines are widely used to investigate the genetic basis of quantitative traits and make inferences about evolutionary trajectories. Yet, the relevance of selected traits to field...
Costs and benefits of cold acclimation in field-released Drosophila
Kristensen, Torsten N., Hoffmann, Ary A., Overgaard, Johannes, Sørensen, Jesper G., Hallas, Rebecca, Loeschcke, Volker
One way animals can counter the effects of climatic extremes is via physiological acclimation, but acclimating to one extreme might decrease performance under different conditions. Here, we use field...
Van Heerwaarden, Belinda, Willi, Yvonne, Kristensen, Torsten N., Hoffmann, Ary A.
According to neutral quantitative genetic theory, population bottlenecks are expected to decrease standing levels of additive genetic variance of quantitative traits. However, some empirical and...
Towards an Integrated Framework for Assessing the Vulnerability of Species to Climate Change
Williams, Stephen E, Shoo, Luke P, Isaac, Joanne L, Hoffmann, Ary A, Langham, Gary
Climate change is a major threat to global biodiversity. A novel integrated framework to assess vulnerability and prioritize research and management action aims to improve our ability to respond to...
Frequency-dependent selection maintains clonal diversity in an asexual organism
Weeks, Andrew R., Hoffmann, Ary A.
Asexual organisms can be genetically variable and evolve through time, yet it is not known how genetic diversity is maintained in populations. In sexual organisms, negative frequency-dependent...
A high incidence of parthenogenesis in agricultural pests
Hoffmann, Ary A, Tracy Reynolds, K, Nash, Michael A, Weeks, Andrew R
Parthenogenetic species are assumed to represent evolutionary dead ends, yet parthenogenesis is common in some groups of invertebrates particularly in those found in relatively constant environments....