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DTSTART;TZID=Australia/Melbourne:20251007T140000
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DTSTAMP:20260502T055444
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SUMMARY:Talking Plant Science: Junko Kyozuka
DESCRIPTION:The ARC Centre of Excellence for Plant Success in Nature and Agriculture is proud to bring you the next seminar in our Talking Plant Science series\, presented by Distinguished Professor Junko Kyozuka. \nStep by step evolution of strigolactone signalling pathway\nStrigolactones (SLs) serve dual functions as hormones that regulate growth and development and as rhizosphere signalling molecules that promote symbiosis with arbuscular mycorrhizal fungi in flowering plants. How SLs acquired these dual roles remained unclear. We reported that the ancestral function of SLs was as rhizosphere signals\, which were later co-opted as hormones through the gradual evolution of signalling components. SLs are perceived by DWARF14 (D14)\, which interacts with the F-box protein MAX2 and SMXL repressors; D14 arose via duplication of KARRIKIN INSENSITIVE2 (KAI2)\, a receptor for the unidentified ligand KL\, in the common ancestor of seed plants. KAI2 itself likely originated via horizontal gene transfer prior to streptophyte evolution. Phylogenetic analysis indicates that KL signaling was established in the common ancestor of land plants. \nTo investigate the ancestral role of KL signaling\, we analyzed its function in two bryophytes\, the liverwort Marchantia polymorpha and the moss Physcomitrium patens. In both species\, KL signaling modulates growth by regulating cytokinin accumulation. We propose that the functions of KL signalling in bryophytes may reflect its original role in optimizing growth and development. \n \n  \nDistinguished Professor Junko Kyozuka\nTohoku University
URL:https://www.plantsuccess.org/event/talking-plant-science-junko-kyozuka/
CATEGORIES:Talking Plant Science
ORGANIZER;CN="Plant Success":MAILTO:admin@plantsuccess.org
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DTSTART;TZID=Australia/Melbourne:20251028T170000
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DTSTAMP:20260502T055444
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SUMMARY:Re-imagining (Re)production in Intellectual Property Law: Proprietary Fruit and the Making of Botanical Kinds
DESCRIPTION:Presented by Susannah Chapman. \nOver the past several decades\, many fruit breeding programs have begun to commercialize new varieties via the strategic use to two legal techniques: the use of plant variety protection—coupled with contracts to create small “clubs” of select growers—and the use of branding to foster ready consumer demand for the protected fruit that the club would produce. In these highly proprietary supply chains\, the production of new varieties is inextricably tied to the seasonal production of brand-compliant fruit. \nThis talk explores the work that is required to make an already-existing variety grow into to its varietal image year after year. In doing so\, it invites reflection on the distinction between creative production and mundane reproduction that permeate many accounts of plant breeding by exploring the work of “making” that comes after the “creation” of new botanical kinds. Implied in the internal infrastructure through which intellectual property law identifies its object is the idea that crop varieties are produced (bred or “created”)\, after which they are classified and named. Once bred and authored into the world\, the variety is effectively reproduced (cultivated)\, unless and until it is “bred” into something different. Such a distinction maps onto wider genealogical models of reproduction-as-generation. Cultivation here is generally not envisaged as a creative act\, but a reproductive—or copying—one. Rather\, it is only in certain instances of plant reproduction\, where there is a biological shift in the progeny that is deemed sufficient to create a break in botanical kind\, that the copying reproduction of cultivation is reclassified as a creative\, productive act of breeding. \nIn following the creative work of growing brand-compliant crop varieties\, this talk shows how emerging intellectual property arrangements are reworking\, in some ways\, the very distinctions between reproduction and production upon which they depend. Such re-imagining opens up space to consider\, however narrowly\, the ways in which plant reproduction—and reproduction more broadly—is always enmeshed in wider social\, ecological\, and technoscientific relations. \n \nBiography\nSusannah Chapman\nSusannah Chapman is a Lecturer in Sociocultural Anthropology at University College Cork. Trained as an environmental and legal anthropologist\, she has a keen interest in plant-human relations\, food systems\, and environmental governance. Her work asks questions about the signification and care of plants but also the coloniality\, biopolitics\, and translational practices of contemporary efforts to regulate\, conserve\, and transform plant life\, including trees. Her interest in these questions is rooted in her prior experience working on many different kinds of farms\, from diverse polycultures to simplified monocultures\, across the United States and a general love of plants. She has written on the loss and recuperation of apple tree diversity in the United States\, the propertization of horticultural supply chains in Australia\, and the regulation of plant life in The Gambia since the late nineteenth century. \nAbout People\, Plants and the Law Online Lecture Series\nThe People\, Plants\, and the Law lecture series explores the legal and lively entanglements of human and botanical worlds. \nToday people engage with and relate to plants in diverse and sometimes divergent ways. Seeds—and the plants that they produce—may be receptacles of memory\, sacred forms of sustenance\, or sites of resistance in struggles over food sovereignty. Simultaneously\, they may be repositories of gene sequences\, Indigenous knowledge\, bulk commodities\, or key components of economic development projects and food security programs. \nThis lecture series explores the special role of the law in shaping these different engagements\, whether in farmers’ fields\, scientific laboratories\, international markets\, or elsewhere.
URL:https://www.plantsuccess.org/event/re-imagining-reproduction-in-intellectual-property-law-proprietary-fruit-and-the-making-of-botanical-kinds/
LOCATION:Zoom
CATEGORIES:People Plants and the Law
ORGANIZER;CN="Plant Success":MAILTO:admin@plantsuccess.org
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