Insects, pathogens, and plant reprogramming: from effector molecules to ecology | LE STUDIUM
October 5, 2015 - October 7, 2015

Insects, pathogens, and plant reprogramming: from effector molecules to ecology

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Convenors :

  • Professor Marion Harris , LE STUDIUM® RESEARCH FELLOW
    on sabbatical leave from North Dakota State University, Fargo, ND - USA, in residence at IRBI (Institut de Recherche sur la Biologie de l'Insecte – UMR 7261 – CNRS/University François Rabelais of Tours) - Tours, France.
  • Doctor David Giron, CNRS Research Director
    IRBI (Institut de Recherche sur la Biologie de l'Insecte – UMR 7261 – CNRS/University François Rabelais of Tours) - Tours, France

Introduction:

The world’s rapidly expanding populations have created a sense of urgency regarding global agricultural output, which needs to expand by at least 70% by the year 2050. Plants will provide a significant proportion of the world’s food supply. This international conference focuses on a group of plant enemies that have an unique style of attack. Instead of simply removing plant tissue, survival, growth and reproduction are enhanced by manipulating the plant to create specialized nutritional resources. This attack strategy can have serious consequences for both natural and agro-ecosystems. Mechanisms of reprogramming host plants remain largely unknown but clearly involve secreted effectors that are applied during attack. Options for defense against reprogrammers include effector-triggered immunity. Historically the phylogenetically diverse plant enemies that reprogram plants have been studied by different groups. This interdisciplinary meeting will bring together the complementary strengths of key international laboratories to discuss advances in our understanding of the enemies that reprogram plants and their associated symbionts, the options that plants have for their defense, and the evolutionary potential of enemies to adapt to plant defense.

Confirmed Speakers: (more to be annouced)

  • Dr Pierre Abad 
    Institut Sophia Agrobiotech, Sophia Antipolis, France
  • Dr Heidi Appel
    University of Missouri/Bond Life Sciences Center, Columbia, United States of America
  • Dr Jérôme Casas
    CNRS─University François-Rabelais de Tours/ Institute of Research on Insect Biology, France
  • Dr G. Wilson Fernandes
    Universidad Federal de Minas Gerais/Institute of Biological Sciences, Belo Horizonte, Brazil
  • Dr Saskia Hogenhout
    John Innes Centre/Department of Cell and Developmental Biology, Norwich, United Kingdom
  • Dr Elisabeth Huguet
    CNRS─University François-Rabelais de Tours/ Institute of Research on Insect Biology, France
  • Dr Moshe Inbar 
    University of Haifa/Department of Evolutionary and Environmental Biology, Haifa, Israel
  • Dr Sophien Kamoun
    The Sainsbury Laboratory, Norwich, United Kingdom
  • Dr Paul Nabity 
    Washington State University/Department of Entomology, Pullman, United States of America
  • Dr Carlos Lopez-Vaamonde
    INRA/ Unité de recherche Zoologie Forestière, Orléans, France
  • Dr Issei Ohshima
    Kyoto Prefectural University/Department of Life and Environmental Sciences, Kyoto, Japan
  • Dr Sylvain Pincebourde
    CNRS─University François-Rabelais de Tours/ Institute of Research on Insect Biology, France
  • Dr Mauricio Quesada Avendano
    Centro de Investigaciones en Ecosistemas (CIECO)
  • Universidad Nacional Autónoma de México (UNAM)
    Morelia, Michoacan, Mexico.
  • Dr Jack Schultz
    University of Missouri/Bond Life Sciences Center, Columbia, United States of America
  • Dr Jean-Christophe Simon
    Institute for Genetics, Environment and Plant Protection, Rennes, France
  • Dr Graham Stone 
    The University of Edinburgh/Department of Evolutionary Biology, Edinburgh, United Kingdom
  • Dr Jeff Stuart
    Purdue University, West Lafayette, Indiana, United States of America
  • Dr Akiko Sugio 
    Institute for Genetics, Environment and Plant Protection, Rennes, France
  • Dr Noah Whiteman 
    University of Arizona/Department of Ecology and Evolutionary Biology, Tucson, United States of America

Main topics of the conference:

  • Enemy attack: identity and function of effectors produced by insects, nematodes, and pathogens

  • Plant responses: phytohormone signalling, nutrient mobilization, cellular reorganization, and defence

  • Ecological consequences of reprogramming plants and cascading effects in the ecosystem

  • Contributions of microbial symbionts to plant-reprogrammer interactions

Practical informations:

Programme:

5 OCTOBER 2015 

Enemy attack: identity and function of effectors produced by insects, nematodes, and pathogens

11h30    Registration/Welcome Lunch
13h00    Official opening 
Scientific director of LE STUDIUM, Pr Nicola Fazzalari
Pr Marion Harris & Dr David Giron
13h30     Dr Pierre Abad
Root knot Nematode effectors and modulation of plant cell machineryz
14h00     Dr Akiko Sugio
Plant-aphid-symbiont interactions: what are the factors maintaining their association?
14h30     Pr Sophien Kamoun
Pathogen Effectors as Probes to Study Plant Processes 
15h00     Coffee break
15h30     Pr Saskia Hogenhout
Multitasking, how single bacterial virulence proteins modulate plant development and attract insect vectors
16h00     Pr Jeff Stuart
The Hessian fly as a model for the discovery of effector-encoding Avr genes in insects
16h30     Pr Elisabeth Huguet
Unraveling candidate effectors expressed by plant manipulating insects
17h00     Poster session / Wine & Cheese
18.30    LE STUDIUM LECTURE
Dr David Giron
Insectes & Plantes: le secret de la jeunesse éternelle
20h00     Dinner

6 OCTOBER 2015

Plant responses: phytohormone signalling, nutrient mobilization, cellular reorganization, and defence

08h30     Opening
08h45     Pr Moshe Inbar
Host plant manipulation by gall-forming aphids: from functional ecology to mechanisms 
09h15     Dr David Giron
Converging strategies in plant-manipulating insects: insect-induced effects on plants and possible mechanisms used by leaf-miners to manipulate their host-plant. 
09h45     Coffee break
10h30     Dr Geraldo Wilson Fernandes
Biochemical and physiological mechanisms underlying plant responses to gall induction
11h00     Pr Marion Harris
Gall Midges and Grasses: What We Hope to Know Someday
11h30     Pr Graham Stone
Dissecting an extended phenotype: candidate genes for gall induction and formation by an oak cynipid gallwasp and its host
12h00     Poster / Lunch
14h00     Pr Jack Schultz
Darwin’s Peach: A molecular basis of insect gall development
14h30     Dr Paul Nabity
Genomic basis of insect-induced phenotypes within the Phylloxeridae
15h00     Coffee break
15h30     Pr Heidi Appel
Early plant responses to insect herbivores
16h00     Dr Noah Whiteman
Genomics studies reveal that plants use metabolic, apparency and defense traits as strategies to mitigate herbivores 
16h30     Panel discussion: fundings, next meeting, …
18h00     End of day 2
19h00     Departure for gala dinner
19h30     Gala dinner

7 OCTOBER 2015

Ecological consequences of reprogramming plants and cascading effects in the ecosystem

08h30     Opening
08h45     Dr Sylvain Pincebourde
Physical and physiological reprogramming of plants by insects: consequences in a changing climate
09h15     Dr Issey Ohshima
From Juglandaceae to Ericaceae: the genetic background of host shifting between distantly related host plants in a leaf mining moth Acrocercops transecta (Lepidoptera: Gracillariidae)
09h45     Coffee break
10h30     Dr Carlos Lopez-Vaamonde
Evolution of the tripartite association between leaf-mining moths, Wolbachia, and their host plants.
11h00     Dr Mauricio Quesada
Beetles as physical and biochemical ecosystem engineers: ecological and molecular evidence of trophic upgrading and consequences of branch removal to hosts
11h30     Jérôme Casas & Jean-Christophe Simon 
Summing up - General discussion 
12h30     Take away lunch
14h00     End of conference

Posters:

Participants are required to submit their application with an abstract (electronic format only –pdf files) of no more than 2000 characters (including spaces) by 4/09/2015. The abstracts will be published in the conference booklet and in digital proceedings (USB flash-drive).

Thank you for sending the title and your abstract together with your affiliation and contact details to registration@lestudium-ias.fr before 4/09/2015.

Insects, pathogens, and plant reprogramming: from effector molecules to ecology

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