Ary A Hoffmann

University of Melbourne, Melbourne, Victoria, Australia

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Publications (296)1215.23 Total impact

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    ABSTRACT: Chromosomal inversion polymorphisms are common in animals and plants and recent models suggest that alternative arrangements spread by capturing different combinations of alleles acting additively or epistatically to favour local adaptation. It is also thought that inversions typically maintain favoured combinations for a long time by suppressing recombination between alternative chromosomal arrangements. Here, we consider patterns of linkage disequilibrium and genetic divergence in an old inversion polymorphism in Drosophila melanogaster (In(3R)Payne) known to be associated with climate change adaptation and a recent invasion event into Australia. We extracted, karyotyped and sequenced whole chromosomes from two Australian populations so that changes in the arrangement of the alleles between geographically separated tropical and temperate areas could be compared. Chromosome-wide linkage disequilibrium (LD) analysis revealed strong LD within the region spanned by In(3R)Payne. This genomic region also showed strong differentiation between the tropical and the temperate populations but no differentiation between different karyotypes from the same population, after controlling for chromosomal arrangement. Patterns of differentiation across the chromosome arm and in gene ontologies were enhanced by the presence of the inversion. These data support the notion that inversions are strongly selected by bringing together combinations of genes but it is still not clear if such combinations act additively or epistatically. Our data suggest that climatic adaptation through inversions can be dynamic, reflecting changes in the relative abundance of different forms of an inversion and ongoing evolution of allelic content within an inversion. This article is protected by copyright. All rights reserved. This article is protected by copyright. All rights reserved.
    Molecular Ecology 03/2015; DOI:10.1111/mec.13161 · 5.84 Impact Factor
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    ABSTRACT: Measuring biological responses in resident biota is a commonly used approach to monitoring polluted habitats. The challenge is to choose sensitive and, ideally, stressor-specific endpoints that reflect the responses of the ecosystem. Metabolomics is a potentially useful approach for identifying sensitive and consistent responses since it provides a holistic view to understanding the effects of exposure to chemicals upon the physiological functioning of organisms. In this study, we exposed the aquatic non-biting midge, Chironomus tepperi, to two concentrations of zinc chloride and measured global changes in polar metabolite levels using an untargeted gas chromatography-mass spectrometry (GC-MS) analysis and a targeted liquid chromatography-mass spectrometry (LC-MS) analysis of amine-containing metabolites. These data were correlated with changes in the expression of a number of target genes. Zinc exposure resulted in a reduction in levels of intermediates in carbohydrate metabolism (i.e., glucose 6-phosphate, fructose 6-phosphate and disaccharides) and an increase in a number of TCA cycle intermediates. Zinc exposure also resulted in decreases in concentrations of the amine containing metabolites, lanthionine, methionine and cystathionine, and an increase in metallothionein gene expression. Methionine and cystathionine are intermediates in the transsulfuration pathway which is involved in the conversion of methionine to cysteine. These responses provide an understanding of the pathways affected by zinc toxicity, and how these effects are different to other heavy metals such as cadmium and copper. The use of complementary metabolomics analytical approaches was particularly useful for understanding the effects of zinc exposure and importantly, identified a suite of candidate biomarkers of zinc exposure useful for the development of biomonitoring programs. Copyright © 2015 Elsevier B.V. All rights reserved.
    Aquatic toxicology (Amsterdam, Netherlands) 03/2015; 162. DOI:10.1016/j.aquatox.2015.03.009 · 3.51 Impact Factor
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    ABSTRACT: The effects of climate change on biodiversity are increasingly well documented, and many methods have been developed to assess species' vulnerability to climatic changes, both ongoing and projected in the coming decades. To minimize global biodiversity losses, conservationists need to identify those species that are likely to be most vulnerable to the impacts of climate change. In this Review, we summarize different currencies used for assessing species' climate change vulnerability. We describe three main approaches used to derive these currencies (correlative, mechanistic and trait-based), and their associated data requirements, spatial and temporal scales of application and modelling methods. We identify strengths and weaknesses of the approaches and highlight the sources of uncertainty inherent in each method that limit projection reliability. Finally, we provide guidance for conservation practitioners in selecting the most appropriate approach(es) for their planning needs and highlight priority areas for further assessments.
    Nature Climate Change 02/2015; 5:215-224. DOI:10.1038/nclimate2448 · 15.30 Impact Factor
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    ABSTRACT: Elevated global temperatures are expected to alter vegetation dynamics by interacting with physiological processes, biotic relationships and disturbance regimes. However, few studies have explicitly modeled the effects of these interactions on rates of vegetation change, despite such information being critical to forecasting temporal patterns in vegetation dynamics. In this study, we build and parameterize rate-change models for three dominant alpine life forms using data from a 7-year warming experiment. These models allowed us to examine how the interactions between experimental warming, the abundance of bare ground (a measure of past disturbance) and neighboring life forms (a measure of life form interaction) affect rates of cover change in alpine shrubs, graminoids and forbs. We show that experimental warming altered rates of life form cover change by reducing the negative effects of neighboring life forms and positive effects of bare ground. Furthermore, we show that our models can predict the observed direction and rate of life form cover change at burned and unburned long-term monitoring sites. Model simulations revealed that warming in unburned vegetation is expected to result in increased forb and shrub cover and decreased graminoid cover. In contrast, in burned vegetation, warming is predicted to slow post-fire regeneration in both graminoids and forbs and facilitate rapid expansion in shrub cover. These findings illustrate the applicability of modeling rates of vegetation change using experimental data. Our results also highlight the need to account for both disturbance and the abundance of other life forms when examining and forecasting vegetation dynamics under climatic change.
    Oecologia 02/2015; DOI:10.1007/s00442-015-3261-2 · 3.25 Impact Factor
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    ABSTRACT: The management of livestock breeds and threatened natural population share common challenges, including small effective population sizes, high risk of inbreeding, and the potential benefits and costs associated with mixing disparate gene pools. Here, we consider what has been learnt about these issues, the ways in which the knowledge gained from one area might be applied to the other, and the potential of genomics to provide new insights. Although there are key differences stemming from the importance of artificial versus natural selection and the decreased level of environmental heterogeneity experienced by many livestock populations, we suspect that information from genetic rescue in natural populations could be usefully applied to livestock. This includes an increased emphasis on maintaining substantial population sizes at the expense of genetic uniqueness in ensuring future adaptability, and on emphasizing the way that environmental changes can influence the relative fitness of deleterious alleles and genotypes in small populations. We also suspect that information gained from cross-breeding and the maintenance of unique breeds will be increasingly important for the preservation of genetic variation in small natural populations. In particular, selected genes identified in domestic populations provide genetic markers for exploring adaptive evolution in threatened natural populations. Genomic technologies in the two disciplines will be important in the future in realizing genetic gains in livestock and maximizing adaptive capacity in wildlife, and particularly in understanding how parts of the genome may respond differently when exposed to population processes and selection.
    Frontiers in Genetics 02/2015; 6(38). DOI:10.3389/fgene.2015.00038
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    ABSTRACT: To cope with the increasing and less predictable temperature forecasts under climate change, many terrestrial ectotherms will have to migrate or rely on adaptation through plastic or evolutionary means. Studies suggest that some ectotherms have a limited potential to change their upper thermal limits via evolutionary shifts, but research has mostly focused on adult life stages under laboratory conditions. Here we use replicate populations of Drosophila melanogaster and a nested half sib/full sib quantitative genetic design to estimate heritabilities and genetic variance components for egg-to-adult viability under both laboratory and semi-natural field conditions, encompassing cold, benign and hot temperatures in two separate populations. The results demonstrated temperature-specific heritabilities and additive genetic variances for egg-to-adult viability. Heritabilities and genetic variances were higher under cold and benign compared to hot temperatures when tested under controlled laboratory conditions. Tendencies towards lower evolutionary potential at higher temperatures were also observed under semi-natural conditions although the results were less clear in the field setting. Overall the results suggest that ectotherms that already experience temperatures close to their upper thermal tolerance limits have a restricted capacity to adapt to higher temperatures by evolutionary means. This article is protected by copyright. All rights reserved. This article is protected by copyright. All rights reserved.
    Evolution 02/2015; DOI:10.1111/evo.12617 · 4.66 Impact Factor
  • Climatic Change 01/2015; DOI:10.1007/s10584-014-1312-z · 4.62 Impact Factor
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    ABSTRACT: Climate warming is expected to increase the exposure of insects to hot events (involving a few hours at extreme high temperatures). These events are unlikely to cause widespread mortality but may modify population dynamics via impacting life history traits such as adult fecundity and egg hatching. These effects and their potential impact on population predictions are still largely unknown. In this study, we simulated a single hot event (maximum of 38°C lasting for 4 h) of a magnitude increasingly found under field conditions and examined its effect in the oriental fruit moth, Grapholitha molesta. This hot event had no impact on the survival of G. molesta adults, copulation periods or male longevity. However, the event increased female lifespan and the length of the oviposition period, leading to a potential increase in lifetime fecundity and suggesting hormesis. In contrast, exposure of males to this event markedly reduced the net reproductive value. Male heat treatment delayed the onset of oviposition in the females they mated with, as well as causing a decrease in the duration of oviposition period and lifetime fecundity. Both male and female stress also reduced egg hatch. Our findings of hormetic effects on female performance but concurrent detrimental effects on egg hatch suggest that hot events have unpredictable consequences on the population dynamics of this pest species with implications for likely effects associated with climate warming.
    PLoS ONE 12/2014; 9(12):e116339. DOI:10.1371/journal.pone.0116339 · 3.53 Impact Factor
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    ABSTRACT: Integrated pest management in Australian winter grain crops is challenging, partly because the timing and severity of pest outbreaks cannot currently be predicted, and this often results in prophylactic applications of broad spectrum pesticides. We developed a simple model to predict the median emergence in autumn of pest populations of the redlegged earth mite, Halotydeus destructor, a major field crop and pasture pest in southern Australia. Previous data and observations suggest that rainfall and temperature are critical for post-diapause egg hatch. We evaluated seven models that combined rainfall and temperature thresholds derived using three approaches against previously recorded hatch dates and 2013 field records. The performance of the models varied between Western Australia and south-eastern Australian States. In Western Australia, the key attributes of the best fitting model were more than 5 mm rain followed by mean day temperatures of below 20.5 °C for 10 days. In south-eastern Australia, the most effective model involved a temperature threshold reduced to 16 °C. These regional differences may reflect adaptation of H. destructor in south-eastern Australia to varied and uncertain temperature and rainfall regimes of late summer and autumn, relative to the hot and dry Mediterranean-type climate in Western Australia. Field sampling in 2013 revealed a spread of early hatch dates in isolated patches of habitat, ahead of predicted paddock scale hatchings. These regional models should assist in monitoring and subsequent management of H. destructor at the paddock scale.
    Enperimental and Applied Acarology 12/2014; 65(3). DOI:10.1007/s10493-014-9876-x · 1.82 Impact Factor
  • Aston L. Arthur, Ary A. Hoffmann, Paul A. Umina
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    ABSTRACT: BackgroundA key component for spray decision-making in IPM programmes is the establishment of economic injury levels (EIL) and economic thresholds (ET). We aimed to establish an EIL for the redlegged earth mite (Halotydeus destructor Tucker) on canola.ResultsComplex interactions between mite numbers, feeding damage and plant recovery were found, highlighting the challenges in linking H. destructor numbers to yield. A guide of 10 mites per plant was established at the 1st true leaf stage; however simple relationships were not evident at other crop development stages, making it difficult to establish reliable EILs based on mite number. Yield was however strongly associated with plant damage and plant densities, reflecting the impact of mite feeding damage and indicating a plant-based alternative for establishing thresholds for H. destructor. Drawing on data from multiple field trials, we show that plant densities below 30–40 per m2 could be used as a proxy for mite damage when reliable estimates of mite densities are not possible.Conclusion This plant-based threshold provides a practical tool that avoids the difficulties of accurately estimating mite densities. The approach may be applicable to other situations where production conditions are unpredictable and interactions between pests and plant hosts are complex.
    Pest Management Science 12/2014; DOI:10.1002/ps.3952 · 2.74 Impact Factor
  • Aston L. Arthur, Ary A. Hoffmann, Paul A. Umina
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    ABSTRACT: Development of sampling techniques to effectively estimate invertebrate densities in the field is essential for effective implementation of pest control programs, particularly when making informed spray decisions around economic thresholds. In this article, we investigated the influence of several factors to devise a sampling strategy to estimate Halotydeus destructor Tucker densities in a canola paddock. Direct visual counts were found to be the most suitable approach for estimating mite numbers, with higher densities detected than the vacuum sampling method. Visual assessments were impacted by the operator, sampling date, and time of day. However, with the exception of operator (more experienced operator detected higher numbers of mites), no obvious trends were detected. No patterns were found between H. destructor numbers and ambient temperature, relative humidity, wind speed, cloud cover, or soil surface conditions, indicating that these factors may not be of high importance when sampling mites during autumn and winter months. We show further support for an aggregated distribution of H. destructor within paddocks, indicating that a stratified random sampling program is likely to be most appropriate. Together, these findings provide important guidelines for Australian growers around the ability to effectively and accurately estimate H. destructor densities.
    Journal of Economic Entomology 12/2014; 107(6). DOI:10.1603/EC14021 · 1.61 Impact Factor
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    ABSTRACT: The bacterial endosymbiont Wolbachia blocks the transmission of dengue virus by its vector mosquito Aedes aegypti, and is currently being evaluated for control of dengue outbreaks. Wolbachia induces cytoplasmic incompatibility (CI) that results in the developmental failure of offspring in the cross between Wolbachia-infected males and uninfected females. This increases the relative success of infected females in the population, thereby enhancing the spread of the beneficial bacterium. However, Wolbachia spread via CI will only be feasible if infected males are sufficiently competitive in obtaining a mate under field conditions. We tested the effect of Wolbachia on the competitiveness of A. aegypti males under semi-field conditions. In a series of experiments we exposed uninfected females to Wolbachia-infected and uninfected males simultaneously. We scored the competitiveness of infected males according to the proportion of females producing non-viable eggs due to incompatibility. We found that infected males were equally successful to uninfected males in securing a mate within experimental tents and semi-field cages. This was true for males infected by the benign wMel Wolbachia strain, but also for males infected by the virulent wMelPop (popcorn) strain. By manipulating male size we found that larger males had a higher success than smaller underfed males in the semi-field cages, regardless of their infection status. The results indicate that Wolbachia infection does not reduce the competitiveness of A. aegypti males. Moreover, the body size effect suggests a potential advantage for lab-reared Wolbachia-males during a field release episode, due to their better nutrition and larger size. This may promote Wolbachia spread via CI in wild mosquito populations and underscores its potential use for disease control.
    PLoS neglected tropical diseases 12/2014; 8(12):e3294. DOI:10.1371/journal.pntd.0003294 · 4.72 Impact Factor
  • Rachel Slatyer, Michael Nash, A. A. Hoffmann
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    ABSTRACT: Alpine species are distributed across steep environmental gradients and turnover of closely related species along these clines is common. Thermal tolerance is frequently inferred as a proximal driver of both high- and low-elevation range limits across a wide range of species, as temperature decreases rapidly with elevation. Furthermore, locally adaptive genetic variation within species can be maintained where populations exist along an environmental gradient. Three species of alpine-endemic grasshopper (Kosciuscola genus) occupy overlapping elevation zones in the mountains of southeastern Australia. We explored role of thermal tolerance in shaping distribution patterns of the Kosciuscola in the NSW alpine region, and the potential for local adaptation in thermal limits. All species showed remarkable thermal tolerance ranges of over 50°C, reflecting the highly variable and unpredictable climate of the Australian alpine region. There were marked differences in cold tolerance between species but little variation in upper thermal limits. Species occupied thermal environments close to their cold-tolerance limit, suggesting a role for thermal adaptation in shaping patterns of species turnover. Within species, however, high-elevation populations showed greater heat tolerance than low-elevation populations. Contrasting patterns of between- and within-species thermal tolerance variation point to different selective forces acting at the two ecological scales.
    Entomological Society of America Annual Meeting 2014; 11/2014
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    ABSTRACT: The rate of biological invasions is expected to increase as the effects of climate change on biological communities become widespread. Climate change enhances habitat disturbance which facilitates the establishment of invasive species, which in turn provides opportunities for hybridization and introgression. These effects influence local biodiversity that can be tracked through genetic and genomic approaches. Metabarcoding and metagenomic approaches provide a way of monitoring some types of communities under climate change for the appearance of invasives. Introgression and hybridization can be followed by the analysis of entire genomes so that rapidly changing areas of the genome are identified and instances of genetic pollution monitored. Genomic markers enable accurate tracking of invasive species’ geographic origin well beyond what was previously possible. New genomic tools are promoting fresh insights into classic questions about invading organisms under climate change, such as the role of genetic variation, local adaptation and climate pre-adaptation in successful invasions. These tools are providing managers with often more effective means to identify potential threats, improve surveillance, and assess impacts on communities. We provide a framework for the application of genomic techniques within a management context, and also indicate some important limitations in what can be achieved.This article is protected by copyright. All rights reserved.
    Evolutionary Applications 11/2014; 8(1). DOI:10.1111/eva.12234 · 4.57 Impact Factor
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    ABSTRACT: Background Mountain landscapes are topographically complex, creating discontinuous `islands¿ of alpine and sub-alpine habitat with a dynamic history. Changing climatic conditions drive their expansion and contraction, leaving signatures on the genetic structure of their flora and fauna. Australia¿s high country covers a small, highly fragmented area. Although the area is thought to have experienced periods of relative continuity during Pleistocene glacial periods, small-scale studies suggest deep lineage divergence across low-elevation gaps. Using both DNA sequence data and microsatellite markers, we tested the hypothesis that genetic partitioning reflects observable geographic structuring across Australia¿s mainland high country, in the widespread alpine grasshopper Kosciuscola tristis (Sjösted).ResultsWe found broadly congruent patterns of regional structure between the DNA sequence and microsatellite datasets, corresponding to strong divergence among isolated mountain regions. Small and isolated mountains in the south of the range were particularly distinct, with well-supported divergence corresponding to climate cycles during the late Pliocene and Pleistocene. We found mixed support, however, for divergence among other mountain regions. Interestingly, within areas of largely contiguous alpine and sub-alpine habitat around Mt Kosciuszko, microsatellite data suggested significant population structure, accompanied by a strong signature of isolation-by-distance.Conclusions Consistent patterns of strong lineage divergence among different molecular datasets indicate genetic breaks between populations inhabiting geographically distinct mountain regions. Three primary phylogeographic groups were evident in the highly fragmented Victorian high country, while within-region structure detected with microsatellites may reflect more recent population isolation. Despite the small area of Australia¿s alpine and sub-alpine habitats, their low topographic relief and lack of extensive glaciation, divergence among populations was on the same scale as that detected in much more extensive Northern hemisphere mountain systems. The processes driving divergence in the Australian mountains might therefore differ from their Northern hemisphere counterparts.
    BMC Evolutionary Biology 10/2014; 14(1):204. DOI:10.1186/s12862-014-0204-1 · 3.41 Impact Factor
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    ABSTRACT: Australia's ecosystems are the basis of our current and future prosperity, and our national well-being. A strong and sustainable Australian ecosystem science enterprise is vital for understanding and securing these ecosystems in the face of current and future challenges. This Plan defines the vision and key directions for a national ecosystem science capability that will enable Australia to understand and effectively manage its ecosystems for decades to come. The Plan's underlying theme is that excellent science supports a range of activities, including public engagement, that enable us to understand and maintain healthy ecosystems. Those healthy ecosystems are the cornerstone of our social and economic well-being. The vision guiding the development of this Plan is that in 20 years' time the status of Australian ecosystems and how they change will be widely reported and understood, and the prosperity and well-being they provide will be secure. To enable this, Australia's national ecosystem science capability will be coordinated, collaborative and connected. The Plan is based on an extensive set of collaboratively generated proposals from national town hall meetings that also form the basis for its implementation. Some directions within the Plan are for the Australian ecosystem science community itself to implement, others will involve the users of ecosystem science and the groups that fund ecosystem science. We identify six equal priority areas for action to achieve our vision: (i) delivering maximum impact for Australia: enhancing relationships between scientists and end-users; (ii) supporting long-term research; (iii) enabling ecosystem surveillance; (iv) making the most of data resources; (v) inspiring a generation: empowering the public with knowledge and opportunities; (vi) facilitating coordination, collaboration and leadership. This shared vision will enable us to consolidate our current successes, overcome remaining barriers and establish the foundations to ensure Australian ecosystem science delivers for the future needs of Australia.
    Austral Ecology 10/2014; 39(7). DOI:10.1111/aec.12188 · 1.74 Impact Factor
  • Isabel Valenzuela, Ary A Hoffmann
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    ABSTRACT: We review yield effects caused by aphid feeding and associated virus injury to cereal, oilseed and pulse crops, and estimate the potential economic loss caused by aphids in Australia. Potential yield reduction due to aphids was determined through a survey of quantitative data from experiments that assessed aphids' effect on grain yield. In cereals, four aphids caused damage; on barley, feeding injury caused by Rhopalosiphum padi + Rhopalosiphum maidis was most damaging in terms of yield reduction (25.5%) with an economic loss of $19/ha. Barley yellow dwarf virus transmitted by R. padi + Sitobion miscanthi was more damaging than direct feeding, causing a yield reduction of 39% and economic loss of $21/ha for wheat. On canola, beet western yellow virus transmitted by Myzus persicae caused the highest yield reduction of 34% and economic loss of $115/ha, although this was measured through artificial inoculations. Feeding injury was high in Brevicoryne brassicae which caused an average yield reduction of 34% and associated economic loss of $88.5/ha, while Lipaphis erysimi and M. persicae had negligible economic effects but more data are needed. On pulses, the most economically damaging (unidentified) aphids feeding on lupins caused a yield reduction of 43% and economic loss of $24/ha. The aphids M. persicae + Aphis craccivora + Acyrthosiphon kondoi reduced lupin yields by 13% and economic returns by $7.40/ha. On field peas, a 14% reduction in yield was caused by transmitted viruses such as pea seed-borne mosaic virus which caused economic losses of $20.50/ha. In total, feeding and virus injuries resulted in potential economic costs of $241 and $482 million/year, respectively. Although this review provides estimates of potential yield and economic losses due to aphids, few data were available for some crops, aphid species or regions (e.g. oats). Nevertheless, economic costs associated with aphids appear substantial.
    Austral Entomology 10/2014; DOI:10.1111/aen.12122 · 0.80 Impact Factor
  • Ian M. Smith, Ary A. Hoffmann, Linda J. Thomson
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    ABSTRACT: Hymenopteran parasitoids are important natural enemies of pest species in many agricultural crops, including grapes, and there is increasing interest in using habitat manipulation to enhance populations.In the present study, we investigated which vegetation variables of shelterbelts are associated with increased hymenopteran family abundance by screening 60 shelterbelts adjacent to vineyards or pasture near Melbourne, Australia.Associations between vegetation characteristics and parasitoid abundance, sampled five times at monthly intervals using canopy sticky traps, were investigated.The presence of vineyard or pasture adjacent to the shelterbelt had no impact on hymenopteran family abundance within the shelterbelt. The availability of floral resources influenced a single family; the abundance of the Trichogrammatidae was doubled by the presence of canopy floral resources. By contrast, an increased abundance of some large Hymenoptera families was associated with a decreasing leaf litter depth and the proportion of introduced ground cover, an increased grass height and the amount of ground with vegetated cover.These findings suggest that specific manipulations of shelterbelts could increase populations of beneficials to some degree, with potential effects on pests.
    Agricultural and Forest Entomology 09/2014; DOI:10.1111/afe.12086 · 1.56 Impact Factor
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    ABSTRACT: The wMel infection of Drosophila melanogaster was successfully transferred into Aedes aegypti mosquitoes where it has the potential to suppress dengue and other arboviruses. The infection was subsequently spread into two natural populations at Yorkeys Knob and Gordonvale near Cairns, Queensland in 2011. Here we report on the stability of the infection following introduction and we characterize factors influencing the ongoing dynamics of the infection in these two populations. While the Wolbachia infection always remained high and near fixation in both locations, there was a persistent low frequency of uninfected mosquitoes. These uninfected mosquitoes showed weak spatial structure at both release sites although there was some clustering around two areas in Gordonvale. Infected females from both locations showed perfect maternal transmission consistent with patterns previously established pre-release in laboratory tests. After >2 years under field conditions, the infection continued to show complete cytoplasmic incompatibility across multiple gonotrophic cycles but persistent deleterious fitness effects, suggesting that host effects were stable over time. These results point to the stability of Wolbachia infections and their impact on hosts following local invasion, and also highlight the continued persistence of uninfected individuals at a low frequency most likely due to immigration.
    PLoS Neglected Tropical Diseases 09/2014; 8(9):e3115. DOI:10.1371/journal.pntd.0003115 · 4.49 Impact Factor

Publication Stats

8k Citations
1,215.23 Total Impact Points


  • 2005–2015
    • University of Melbourne
      • • Department of Zoology
      • • Department of Genetics
      • • Centre for Environmental Stress and Adaptation
      Melbourne, Victoria, Australia
    • Victoria University Melbourne
      Melbourne, Victoria, Australia
  • 2013
    • James Cook University
      • School of Public Health, Tropical Medicine and Rehabilitation Sciences
      Townsville, Queensland, Australia
    • Chinese Academy of Agricultural Sciences
      • State Key Lab for Biology of Plant Disease & Insect Pests
      Peping, Beijing, China
  • 2006–2013
    • Monash University (Australia)
      • School of Biological Sciences, Clayton
      Melbourne, Victoria, Australia
    • University of Western Australia
      • School of Animal Biology
      Perth, Western Australia, Australia
  • 2011
    • University of Chicago
      Chicago, Illinois, United States
  • 1994–2011
    • La Trobe University
      • • Department of Genetics
      • • Department of Biochemistry
      Melbourne, Victoria, Australia
  • 2009–2010
    • C.E.S.A.R.
      Arrecife, Pernambuco, Brazil
  • 2008
    • University of Illinois, Urbana-Champaign
      Urbana, Illinois, United States
  • 2007
    • Aarhus University
      • Department of Ecology and Genetics
      Aars, Region North Jutland, Denmark
  • 2004
    • Bogor Agricultural University
      • Faculty of Agriculture
      Bogor, Provinsi Banten, Indonesia
  • 2000
    • University of Nebraska at Lincoln
      • Department of Biological Sciences
      Lincoln, NE, United States