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About Chris
Associate Professor Chris Cazzonelli is a distinguished plant molecular biologist at the Hawkesbury Institute for the Environment, Western Sydney University, where he heads the Environmental Epigenetics Laboratory and lectures in plant science. He earned a Bachelor of Science with First Class Honours and a PhD in Botany from the University of Queensland in 2002, supported by an Australian Postgraduate Award on plant stress acclimation at the molecular level. From 2003 to 2005, he held a United States Department of Agriculture Postdoctoral Fellowship, pioneering synthetic biology techniques to engineer gene regulatory systems enhancing plant genetics. Recruited in 2006 by the ARC Centre of Excellence in Plant Energy Biology at the Australian National University, he investigated regulation of carotenoid metabolites in crops. His career trajectory reflects expertise in plant energy biology and epigenetics.
Cazzonelli's research elucidates genetic regulatory mechanisms and metabolic feedback loops between plastids and the nucleus that prime plants for stress acclimation via memory formation in response to light quality, mechanical stimulation, bioacoustics, and cell vibrations. He advances carotenoid regulation for improved photoprotection, photosynthesis, crop yield, and nutritional quality under variable light. Key publications include 'Source to sink: regulation of carotenoid biosynthesis in plants' (Trends in Plant Science, 2010), 'Carotenoids in nature: insights from plants and beyond' (Functional Plant Biology, 2011), and 'A cis-carotene derived apocarotenoid regulates etioplast and chloroplast development' (Nature Plants, 2020). Awarded the 2010 Goldacre Medal by the Australian Society of Plant Biologists, he serves on the editorial board of MDPI journals and leads grants on light-mediated carotenoids, protected cropping films, and acoustic pollination for sustainable horticulture. With over 3,500 citations, his work impacts crop biofortification and environmental adaptation.
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