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Plant Virus Ecology Network (PVEN) Research Coordination Network Profound advances in understanding the ecology of both viruses and higher organisms Plant.

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Presentation on theme: "Plant Virus Ecology Network (PVEN) Research Coordination Network Profound advances in understanding the ecology of both viruses and higher organisms Plant."— Presentation transcript:

1 Plant Virus Ecology Network (PVEN) Research Coordination Network Profound advances in understanding the ecology of both viruses and higher organisms Plant Virus Biodiversity & Ecology EPSCoR NSF Ecologists Vector specialists

2 Plant Virus Ecology Network (PVEN) What's Plant Virus Ecology? What's PVEN? What's PVEN done?

3 Plant Virus Ecology examines the balanced ecological roles of plant- associated viruses in managed and unmanaged ecosystems; investigates the reciprocal influence of ecosystem properties on the distribution and evolution of plant viruses. R. S. Redman et al., Science 298, 1581 (2002) C. Malmström

4 R. S. Redman et al., Science 298, 1581 (2002) Plant Virus Ecology Example: Thermotolerance

5 Plant Virus Ecology Example: Invasive Plants C.M. Malmström, R. Shu, E.W. Linton, L. A. Newton, M. A. Cook (2007) J. Ecology (on line) Native perennial bunchgrasses Exotic annual grasses Avena spp. Bromus spp. Lolium multiflorum Nassella spp. Elymus spp. Koeleria macrantha and many others….

6 Two Worlds of Biological Science Molecular mechanisms Ecological complexity Plant Virus Ecology

7 One World of Biological Science MolecularEcological Plant Virus Ecology

8 Within a plant species, do virus communities vary predictably according to environmental gradients? How do virus communities vary as a function of environmental gradients known to be important for vascular plants? Do common plant species have more virus species than rare plant species? Does 'distance decay' exist in virus communities? Do virus abundance distributions conform to expectation from the Unified Neutral Theory? Are virus abundance distributions lognormal? Are annuals less likely to have high viral loads? Are some habitats more conducive to high viral loads than others? Is virus species biodiversity related to plant biodiversity? Are native species likely to have higher viral loads than exotic species? Are successful invaders relatively virus-free? Are exotic plant species more or less prone to infection than native species? Does a diverse plant community confer protection from viruses? What is the role of viruses in the maintenance of plant biodiversity? Plant Virus Ecology Sample Questions

9 Plant Virus Ecology Societal issues: Emergence of new diseases GMO safety Biosecurity Preservation & Restoration

10 Plant Virus Ecology Barriers: Historic separation of fields Ecologists Virologists Tools Diagnostic Database infrastructure

11 Plant Virus Ecology Network (PVEN)--Who? Core participants (UPPER CASE) Other participants Co-coordinators: Carolyn Malmström, U. Melcher Coordinating committee: Anna Whitfield, Alison Power, Denis Fargette External advisory board: TBA

12 Plant Virus Ecology Network (PVEN)--What? Create community, world wide. Encourage new talent and public support. Intellectual, physical and informational infrastructure.

13 PVEN To-do List (Create Community) Recruit talent to PVE Ecologists: 2007 ESA meeting ✔ Plant virologists: 2007 ASV and APS meetings ✔✔ Develop relationships with allied groups International Plant Virus Epidemiology Symposium group ✔ Newsletter One issue sent ✔ Website Workshop

14 PVEN To-do List (Encourage Talent) Three levels BS: Summer internships created ✔ First intern ✔ K-12: Impression 5 Science Center contracted JQ Public: Website

15 Intellectual Infrastructure Workshop (April 2008, details TBA) Discuss questions and issues Prioritize International participation and NSF Local connections Attendance fee Website forum Videoconferencing (experiment under way as we speak) PVEN To-do List (Infrastructure)

16 Physical and Informational Infrastructure Database needs Lobbying US NPDN ✔ Supporting IVDN proposal ✔ Grant proposal Plant Virus Key ✔ NEON input (in progress) Workshop Diagnostics PVEN To-do List (Infrastructure)

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18 http://bioinfosu.biochem.okstate.edu/pve_rcn/

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21 ParameterAg. systemsNatural ecosystem Species diversityLowHigh Genotypic diversityLowHigh Cohort agesIdenticalVariable Resource competitionReducedUsually high HerbivoryReducedSubstantial Ecology in Agricultural & Natural Ecosystems C. Malmströms' view

22 Plant Virus Ecology and Epidemiology Epidemiologists: concerned about disturbances in equilibria between viruses & hosts in agricultural settings Ecologists: interested in understanding equilibria between viruses and hosts in agricultural and natural settings. Perspectives different, but questions and tools overlap.

23 Plant Virus Ecology Network (PVEN) What's Plant Virus Ecology? What's PVEN? What's PVEN done? Want to join us? Just give me or send me (biocukm@okstate.edu) your name. For those with no e-mail listed in the program and who give me a name: give an e-mail address, too.biocukm@okstate.edu

24 Plant Virus Ecology Network (PVEN) Research Coordination Network Profound advances in understanding the ecology of both viruses and higher organisms Plant Virus Biodiversity & Ecology EPSCoR NSF Ecologists Vector specialists

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