Research in the Biology graduate program is focused on several broad areas: molecular and cellular biology; vertebrate, invertebrate and plant physiology; ecology and evolution. We conduct long term studies of bee biodiversity across landscapes to determine plant-pollinator associations and the status of wild bee communities. Most concentrate on microtubules, but other components in spindle fibres include actin and myosin; no-one knows what the different components do. Understanding changes in ecosystem responses over time to environmental stressors in a diverse set of ecosystems improves our ability to predict the effects of environmental stressors into the future across broad spatial scales. Under saline conditions, where larvae face concentration of body fluids a unique specialized salt secreting epithelium in the posterior rectum of some mosquito larvae remove excess salts from the hemolymph. cbucking@yorku.ca. Specifically, my research aims to an understanding of how animals cope with challenges associated with, and during, feeding and starvation to ultimately answer the question — why do animals have the digestive physiology they do? Faculty Profile My laboratory has made wide ranging contributions to fundamental mechanisms in animal physiology. This links the molecular machinery of electrical synapses to higher brain functions. I frequently teach the Biology Field Course BIOL 3001 (commonly in Algonquin Park, but also in Belize), and I have taught a diversity of other 3rd-year and 4th-year courses in Biology and 1st-year courses in NATS. Further, gap junction–mediated electrical signals have a significant contribution to synaptic plasticity, learning and memory in health and disease. 4700 Keele Street, Toronto While programs are rigorous and demanding the Department maintains an informal and friendly atmosphere encouraging interaction and exchange of ideas and equipment between faculty and all students. Historical data and experimental manipulation of landscape settings allows us to determine the habitat requirements and status of wild bee species to make sustainable land use and conservation recommendations. How does the environment affect the physiology of the gastrointestinal tract and digestion and why have these responses evolved? The group has expertise in conservation biology and biodiversity, behavioural ecology and genetics, plant ecology and evolution, limnology and paleolimnology, bee biology, and ecological genomics. A graduate student developed an in vivo system in which chromosomes move rapidly to poles after she depolymerised all spindle microtubules. If you’re an undergraduate student, talk to your professors about their current research and how it relates to your interests. We have done fieldwork in Scotland, England, Scandinavia, Newfoundland, on Hudson Bay, and throughout Ontario. Using a plethora of state-of-the art techniques capable of exploring gene editing, post-translational modifications of proteins, antioxidant and redox balance, cellular proliferation and repair, vascular contractility and blood pressure control, to whole animal behavior and health, my team examines the pathogenic causes and the therapeutic strategies for cardiovascular diseases, diabetic complications, respiratory and liver functions, aging and longevity. A majority of species in the genus are distylous and strongly self-incompatible, while other species are self-compatible often having anthers and stigmas in close proximity, leading to high rates of self-fertilization. We aim to understand both the basic mechanisms by which these proteins enhance the correct folding of target RNAs as well as how aberrant La and La-related protein function contribute to human disease states. Faculty Profile The work in the BioMotion Lab is highly interdisciplinary. (2007). A main focus of our work has been the molecular cloning and characterization of a family of transcription factors (four genes, labelled MEF2A-D) that regulate the expression of many cardiac, smooth and skeletal muscle specific genes via the myocyte enhancer factor 2 (MEF2) cis- element. The primary goals of our research are to understand: i) the processes that are involved in regulating the neurophysiological function in aquatic animals, and ii) how these processes are affected by environmental changes. Our research is aimed at filling this void by elucidating the molecular basis of salt (ion) transport and how these mechanisms are regulated by neural and hormonal factors. Bird Banding . The Faculty of Science at York University is located in Toronto, Canada, and is a hub of research and teaching excellence. However, it also informs character animation as well as automatic face and gesture recognition, and it has implications for applications of virtual reality for telecommunication, entertainment, training and therapeutic intervention. The conservation of wild pollinators requires in-depth knowledge of their diversity, habitat requirements, and responses to environmental stress. Studies are also ongoing to determine the contribution of other transcriptional regulators such as the Fra2 subunit of the AP-1 complex and the Smad7 protein to the myogenic program in cardiac and skeletal muscle cells. Research in my lab focuses on the genetics and evolution of plant breeding systems in a Neotropical group of plants in the genus Turnera. My research addresses the functional role of electrical communication in the vertebrate nervous system with a particular focus on the visual system. Research Areas: Molecular Biology, Biochemistry, Systems Biology, Metabolic Engineering. La proteins both enhance the correct maturation of many non-coding RNAs as well as influence the translation of several viral and cellular messenger RNAs implicated in human disease. During anaphase, chromosomes move slowly to a spindle pole at a speed near that of a tectonic plate. On Hudson Bay, and has a low gene density compared to euchromatin conservation BIOL. 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