Predicting the movement speeds of animals. The project seeks to reveal how marsupials modify their movement patterns and speeds as they navigate risky environments, and show how movement contributes to vulnerability and resilience. Movement is central to animal behaviour and the survival of species, because it underlies feeding, mating and the ability to escape from predators. However, we lack a framework for predicting how fast animals should move through their habitats given their needs to con ....Predicting the movement speeds of animals. The project seeks to reveal how marsupials modify their movement patterns and speeds as they navigate risky environments, and show how movement contributes to vulnerability and resilience. Movement is central to animal behaviour and the survival of species, because it underlies feeding, mating and the ability to escape from predators. However, we lack a framework for predicting how fast animals should move through their habitats given their needs to conserve energy, avoid detection by predators and minimise risks of injury or death. This project aims to develop mathematical models to predict how fast animals should move and then test these predictions using native species of conservation concern. This is expected to extend the field of performance ecology as well as inform management strategies for vulnerable marsupials.Read moreRead less
Can muscles tune foot stiffness to enhance efficiency of human locomotion? This project aims to understand the key role that muscles might play in supporting the arch of the foot and determine if this improves the efficiency of human walking and running. The human foot is known to act like a spring to store and return energy during walking and running. The project hypothesises that this function is enhanced by muscular contributions within the foot that act to tune the stiffness of the foot and ....Can muscles tune foot stiffness to enhance efficiency of human locomotion? This project aims to understand the key role that muscles might play in supporting the arch of the foot and determine if this improves the efficiency of human walking and running. The human foot is known to act like a spring to store and return energy during walking and running. The project hypothesises that this function is enhanced by muscular contributions within the foot that act to tune the stiffness of the foot and maximise efficiency of force production. Exploration of how foot stiffness is controlled during human movement is expected to improve our understanding of the evolution of human walking and running and contribute to improving the design of modern footwear.Read moreRead less
The essence of being an animal: sponge allorecognition and the evolution of individuality. The human genome encodes the ability to recognise self from nonself at the cellular level. In medicine, this innate ability results in the rejection of transplanted (grafted) tissues from unrelated individuals. This project seeks to get to the evolutionary foundation of self-nonself recognition by studying this process in a simple and tractable model - a sponge from the Great Barrier Reef. Like humans, spo ....The essence of being an animal: sponge allorecognition and the evolution of individuality. The human genome encodes the ability to recognise self from nonself at the cellular level. In medicine, this innate ability results in the rejection of transplanted (grafted) tissues from unrelated individuals. This project seeks to get to the evolutionary foundation of self-nonself recognition by studying this process in a simple and tractable model - a sponge from the Great Barrier Reef. Like humans, sponges reject cells and tissues derived from another individual. By defining the genetic basis of self-recognition in sponges we reveal the antiquity of this system and the core features of histocompatibility and immunity. Such insights can inform a range of regenerative medical pursuits.Read moreRead less
Origin of animal sensory and nervous systems: a case study in cell type evolution. The origin of the nerve cell and the nervous system allowed the first animals to interact with their biotic and abiotic environment in rapid and complex ways. These capabilities are the primary agents for success in the animal kingdom, underpinning the ability to capture food, avoid predation, and find a mate. These same nerve cells have bestowed on the human brain cognitive abilities that have driven our biologic ....Origin of animal sensory and nervous systems: a case study in cell type evolution. The origin of the nerve cell and the nervous system allowed the first animals to interact with their biotic and abiotic environment in rapid and complex ways. These capabilities are the primary agents for success in the animal kingdom, underpinning the ability to capture food, avoid predation, and find a mate. These same nerve cells have bestowed on the human brain cognitive abilities that have driven our biological and cultural evolution. Despite the phenomenal importance of the nerve cell, we know almost nothing about its origin and early evolution. This basic research project seeks to make a major contribution towards addressing this gap in knowledge.Read moreRead less
Seeing without eyes: the evolution of non-visual photoreceptors in vertebrates. Australia's underwater biodiversity is second to none with endemic species representing the earliest stages in vertebrate evolution, many of them relying heavily on vision for survival. Tracing the evolution of light detection and image formation will provide crucial information about the lifestyles of our vertebrate ancestors, the environmental selection pressures driving speciation and colour communication. Charact ....Seeing without eyes: the evolution of non-visual photoreceptors in vertebrates. Australia's underwater biodiversity is second to none with endemic species representing the earliest stages in vertebrate evolution, many of them relying heavily on vision for survival. Tracing the evolution of light detection and image formation will provide crucial information about the lifestyles of our vertebrate ancestors, the environmental selection pressures driving speciation and colour communication. Characterisation of optimal light environments and extra-ocular light detection will also help protect and manage endemic species in wild and captive environments. Read moreRead less
Aquatic eye design: sharks and rays as models of underwater colour and luminance vision. Sharks are usually assumed to be colour blind. We have discovered that they may in fact see colour very well and that the eyes of different species are adapted to their particular lifestyles. Our research will help to raise the profile of sharks and portray them as animals with advanced sensory systems and complex visual behaviours rather than just dangerous killing machines. Studying the vision of sharks m ....Aquatic eye design: sharks and rays as models of underwater colour and luminance vision. Sharks are usually assumed to be colour blind. We have discovered that they may in fact see colour very well and that the eyes of different species are adapted to their particular lifestyles. Our research will help to raise the profile of sharks and portray them as animals with advanced sensory systems and complex visual behaviours rather than just dangerous killing machines. Studying the vision of sharks may also help to reduce the number (currently >50,000) that are killed each year as bycatch by Australian long-line fisheries and make a valuable contribution to one of Australia's National Research Priorities (an Environmentally Sustainable Australia) for managing and conserving our biodiversity.Read moreRead less
Using performance to predict the survival of threatened mammals. This project aims to use a new mechanistic approach to quantify how the performance of cats and dingoes interacts with habitat complexity to drive population loss of prey species—namely, how the density of obstacles and refuges contributes to prey escape. Expected outcomes include discovering how rocky and savanna habitat structure affect the survival of threatened mammals hunted by cats and dingoes. It will provide a globally cust ....Using performance to predict the survival of threatened mammals. This project aims to use a new mechanistic approach to quantify how the performance of cats and dingoes interacts with habitat complexity to drive population loss of prey species—namely, how the density of obstacles and refuges contributes to prey escape. Expected outcomes include discovering how rocky and savanna habitat structure affect the survival of threatened mammals hunted by cats and dingoes. It will provide a globally customisable model, and inform management of an important Indigenous Protected Area.Read moreRead less
Understanding the koala microbiome: unlocking the secrets of koala health and dietary specialisation, and successful husbandry and translocation. This project aims to discover how the composition and function of koala gastrointestinal microbial communities differ in space and time in response to the varying nutritional quality and chemical composition of koala diets. Using detailed chemical analysis, cutting edge metagenomic and bioinformatic pipelines and powerful approaches to study enzyme fun ....Understanding the koala microbiome: unlocking the secrets of koala health and dietary specialisation, and successful husbandry and translocation. This project aims to discover how the composition and function of koala gastrointestinal microbial communities differ in space and time in response to the varying nutritional quality and chemical composition of koala diets. Using detailed chemical analysis, cutting edge metagenomic and bioinformatic pipelines and powerful approaches to study enzyme functions in the koala’s gut, the investigators aims to reveal the role of microbes in detoxification of plant toxins and degradation of recalcitrant fibre fractions. The outcomes aim to facilitate the use of faecal transplants to improve digestive function for translocated and rehabilitated koalas, enhancing options for koala management and conservation.Read moreRead less
Understanding the molecular basis of marine invertebrate larval settlement and metamorphosis using complementary molecular, developmental, chemical and ecological approaches. The colonisation and fouling of submerged structures is a major economic problem for maritime industries. This proposal will detail the molecular mechanisms underlying the first crucial steps of marine invertebrate colonisation - settlement and metamorphosis - and determine how natural anti-foulant chemicals impact on these ....Understanding the molecular basis of marine invertebrate larval settlement and metamorphosis using complementary molecular, developmental, chemical and ecological approaches. The colonisation and fouling of submerged structures is a major economic problem for maritime industries. This proposal will detail the molecular mechanisms underlying the first crucial steps of marine invertebrate colonisation - settlement and metamorphosis - and determine how natural anti-foulant chemicals impact on these developmental processes. By using complementary developmental, molecular, chemical and ecological approaches, we will obtain knowledge of key control points in settlement and metamorphosis, and thus identify potential pest management strategies. This proposal comprehensively delineates the role of novel anti-foulants, linking their effect on invertebrate development with their role in shaping marine communities on natural and built surfaces.Read moreRead less
The ecology of trace metal contamination in native Australian mammals. The ecology of trace metal contamination in native Australian mammals . This project aims to evaluate the impacts of mined trace metals on the health and performance of native Australian mammals in a northern tropical ecosystem and to determine how each species’ ecology contributes to their risk of contamination. The research also aims to give local Indigenous Rangers scientifically based strategies to improve wildlife conser ....The ecology of trace metal contamination in native Australian mammals. The ecology of trace metal contamination in native Australian mammals . This project aims to evaluate the impacts of mined trace metals on the health and performance of native Australian mammals in a northern tropical ecosystem and to determine how each species’ ecology contributes to their risk of contamination. The research also aims to give local Indigenous Rangers scientifically based strategies to improve wildlife conservation on their island. Australia’s long-term health relies on its ability to minimise the environmental costs of mining, particularly in areas characterised by high biodiversity, unique native species, or species of cultural or touristic value. Anticipated outcomes are better, more targeted strategies for conservation in mining areas.Read moreRead less