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Body size in the 21st century: integrating evolution, economics and culture. This project will study how evolution and biology interact with culture and economics to shape two important aspects of our world and our lives: the unfolding global obesity crisis and the complex, nuanced judgments people make about body shape. This research will inform the public health issues of obesity and body image problems.
Environmentally Induced Non-genetic Effects on Ageing and Fitness over Multi-generations and the Evolution of Life-history Trade-offs. This project will study trade-offs among growth, lifespan and fecundity, and test the following three predictions by employing a short-lived fish model and cutting-edge statistical and computational modelling. First, different dietary conditions not only affect the fitness of the organism, but also that of subsequent generations. Second, different nutritional eff ....Environmentally Induced Non-genetic Effects on Ageing and Fitness over Multi-generations and the Evolution of Life-history Trade-offs. This project will study trade-offs among growth, lifespan and fecundity, and test the following three predictions by employing a short-lived fish model and cutting-edge statistical and computational modelling. First, different dietary conditions not only affect the fitness of the organism, but also that of subsequent generations. Second, different nutritional effects and transgenerational effects on fitness-related traits are underpinned by epigenetic (or non-genetic) modifications. Third, such epigenetic modifications and their inheritance influence the evolution of life-history trade-offs. This project will link the emerging field of epigenetics with evolutionary theory, and reveal mechanisms of transgenerational epigenetic inheritance. Read moreRead less
Social insect behaviour: the importance of individual-decision making and information transfer. Insect societies are complex systems. Understanding complex systems is often hampered by our inability to study the individual units that comprise the system without also disturbing the system. Insect societies are unique in that the individual insects can be studied within their natural setting. This project will study foraging behaviour of honey bees with respect to individual decision-making and in ....Social insect behaviour: the importance of individual-decision making and information transfer. Insect societies are complex systems. Understanding complex systems is often hampered by our inability to study the individual units that comprise the system without also disturbing the system. Insect societies are unique in that the individual insects can be studied within their natural setting. This project will study foraging behaviour of honey bees with respect to individual decision-making and information transfer. In doing so we will obtain insights in the working of other, less accessible, complex systems such as the mammalian brain or the Australian economy.Read moreRead less
Evolutionary limits. This project aims to understand the processes that limit adaptation to rapid environmental change. Adaption to rapid environmental change determines population persistence. Species with restricted distributions may lack the genetic variation necessary to adapt to changing environments, although they represent the vast majority of biodiversity. Understanding why they lack the necessary genetic variation for adaptation is important for identifying and managing vulnerable biolo ....Evolutionary limits. This project aims to understand the processes that limit adaptation to rapid environmental change. Adaption to rapid environmental change determines population persistence. Species with restricted distributions may lack the genetic variation necessary to adapt to changing environments, although they represent the vast majority of biodiversity. Understanding why they lack the necessary genetic variation for adaptation is important for identifying and managing vulnerable biological systems. This project will empirically determine the contribution of mutations to key traits to better understand what limits evolutionary adaptation. Better prediction of extinction risk should inform conservation and biodiversity management.Read moreRead less
Integrating evolution and plasticity into predictions of population persistence in a changing climate: adaptation or extinction? To effectively manage biodiversity at a time of rapid environmental change, Australia needs accurate predictions of how human alterations to climate and habitat will affect species. This project integrates evolution and spatial ecology to develop new tools for predicting and understanding how species will respond to environmental change.
Functional evolution and therapeutic potential of snake venom coagulotoxins. This project aims to identify and understand the factors that influence the useful function of key residues (parts of larger compounds) in Australian snake venom coagulotoxins, which alter blood-clotting ability. In recent years, snake venom compounds have been demonstrated as useful models from which to synthesise therapeutic drugs to improve health and well-being. This project will test these important toxins on model ....Functional evolution and therapeutic potential of snake venom coagulotoxins. This project aims to identify and understand the factors that influence the useful function of key residues (parts of larger compounds) in Australian snake venom coagulotoxins, which alter blood-clotting ability. In recent years, snake venom compounds have been demonstrated as useful models from which to synthesise therapeutic drugs to improve health and well-being. This project will test these important toxins on model systems that represent natural prey items in order to determine the molecular and functional evolution of blood-clot forming enzymes. Expected outcomes include substantial contributions to the body of evolutionary biology knowledge, as well as narrowing the search for the ultimate drug candidates.Read moreRead less
Experimental evolution in the mitochondrion. This project aims to discover if the genetic variation in mitochondria (our energy centres) contributes to evolutionary adaptation. This is a long-debated hypothesis in evolutionary biology. This project will take an inter-disciplinary approach, involving experimental evolution, an ecological framework, the measurement of organismal physiologies, and fruit fly genetics. The outcomes could change how biologists view the mitochondria, reveal mitochondri ....Experimental evolution in the mitochondrion. This project aims to discover if the genetic variation in mitochondria (our energy centres) contributes to evolutionary adaptation. This is a long-debated hypothesis in evolutionary biology. This project will take an inter-disciplinary approach, involving experimental evolution, an ecological framework, the measurement of organismal physiologies, and fruit fly genetics. The outcomes could change how biologists view the mitochondria, reveal mitochondria’s role in adaptation to climatic stress, and their contribution to shaping evolutionary trade-offs and conflict between the sexes.Read moreRead less
The nutritional geometry of parental diet. This project aims to investigate the effects of ancestors’ diet on descendants’ development and performance. Recognition that an individual’s diet can affect its descendants’ features and health influences biology and medicine, but limitations of conventional research methodologies make understanding such effects incomplete. The Nutritional Geometry framework enables researchers to analyse effects of diet composition as complex response surfaces, and ha ....The nutritional geometry of parental diet. This project aims to investigate the effects of ancestors’ diet on descendants’ development and performance. Recognition that an individual’s diet can affect its descendants’ features and health influences biology and medicine, but limitations of conventional research methodologies make understanding such effects incomplete. The Nutritional Geometry framework enables researchers to analyse effects of diet composition as complex response surfaces, and has recently been used in research on parental diet effects. Building on this breakthrough, this project intends to analyse the effects of ancestors’ diet, and test hypotheses relevant to evolution, ecology and human health.Read moreRead less
The oxygen paradox and the evolution of sex differences. Free radicals are reactive molecules linked to the onset of ageing, cancers and infertility. By advancing an emerging paradigm that contends that 'free radicals' are important drivers of evolutionary change, this project will lead the field and provide an excellent platform on which to train students to the highest standards.
Mitochondria, maternal inheritance and the evolution of male life-histories. This project aims to unravel the extent to which maternal inheritance of the mitochondrial DNA renders it susceptible to accumulating mutations that are harmful only to males; an evolutionary theory called ‘Mother’s Curse’. Left unchecked, Mother’s Curse could threaten the long-term viability of populations. This project will combine experimental techniques in ecology, fruit fly genetics and a platform for measuring phy ....Mitochondria, maternal inheritance and the evolution of male life-histories. This project aims to unravel the extent to which maternal inheritance of the mitochondrial DNA renders it susceptible to accumulating mutations that are harmful only to males; an evolutionary theory called ‘Mother’s Curse’. Left unchecked, Mother’s Curse could threaten the long-term viability of populations. This project will combine experimental techniques in ecology, fruit fly genetics and a platform for measuring physiological phenotypes to test three hypotheses central to the theory. By testing these hypotheses, the project intends to understand the causes of sex differences in physiology, longevity and reproductive health, and improve awareness of evolutionary concepts that may ultimately affect human health.Read moreRead less