Research Symposium Proceedings

2007 Proceedings

• Host Plant Preference and Natural Infectivity of Insect Vectors of Xylella fastidiosa on Common Weeds and Crop Plants
  Project Leader: Kent Daane


• Exploration for Biological Control Agents in the Native Range of the Glassy-winged Sharpshooter
  Project Leaders: John Goolsby


• Determining the Day-Degree Requirements for Glassy-winged Sharpshooter Development and Quantification of Demographic Statistics at Five Temperatures
  Project Leader: Mark Hoddle


• Expressed Sequence Tags from the Black-winged Sharpshooter: Application to Biology and Vector Control
  Project Leaders: Wayne B. Hunter


• Genomic Sequencing, Discovery, and Characterization of Viral Pathogens in the Glassy-winged Sharpshooter
  Project Leader: Wayne B. Hunter


• Microarray Analysis of Gene Expression and Diapause in the Glassy-winged Sharpshooter
  Principal Leaders: Wayne B. Hunter


• Protein Identities from Graphocephala atropunctata Expressed Sequence Tags: Expanding Leafhopper Vector Biology
  Project Leaders: Wayne B. Hunter


• Spatial Population Dynamics and Overwintering Biology of the Glassy-winged Sharpshooter in California's San Joaquin Valley
  Project Leader: Marshall Johnson, Kent Daane, Russell Groves and Elaine Backus


• Assessing the Post-Winter Threat of Glassy-winged Sharpshooter Populations
  Project Leaders: Marshall Johnson, Kris Lynn-Patterson, Mark Sisterson and Russell Groves


• Dispersal and Movement of the Glassy-winged Sharpshooter and Associated Natural Enemies in a Continuous Deficit-Irrigated Agricultural Landscape
  Project Leaders: Rodrigo Krugner, Russell L. Groves, Marshall W. Johnson, Hannah Nadel, James Hagler, and Drake C. Stenger


• Cold Storage of the Adult Stage of Gonatocerus ashmeadi: The Impact on Maternal and Progeny Quality
  Project Leader: Roger A. Leopold


• Xylem Specialists Colonizing Texas Vineyards: Abundance and Distribution Studied Through Generalized Additive Models
  Project Leader: Forrest Mitchell and Isabelle Lauziere


• Improved Detection, Monitoring, and Management of the Glassy-winged Sharpshooter
  Project Leader: Russell F. Mizell III and Peter C. Andersen


• Seasonal Transmission of Xylella fastidiosa by the Glassy-winged Sharpshooter from Grapevines Infected for Various Lengths of Time
  Principal Investigators: Thomas M. Perring


• Against the Glassy-winged Sharpshooter and Preparing and Submitting for Publication a Pictorial Annotated Key to the Ater-Group Species of Gonatocerus î º Egg Parasitoids of the Proconiine Sharpshooters in the Neotropical Region
  Project Leaders: Serguei V. Triapitsyn


• Survey of Leafhoppers on Grapes in the Piedmont and Mountain Regions of North Carolina
  Project Leader: Raul Villanueva, Turner Sutton, and George Kennedy


• Importation of Parasitoids of Homalodisca and Other Proconiini Genera from Northwestern Mexico for Biological Control of the Glassy-winged Sharpshooter
  Project Leaders: Julio Bernal, Agustin Castillo, and Roman Rakitov


• Evaluation of the Impact of Neonicotinoid Insecticides on the Glassy-winged Sharpshooter and Its Egg Parasitoids
  Project Leaders: Frank J. Byrne


• Progress on Resolving the Gonatocerus tuberculifemur Complex: Neither COI nor ITS2 Sequence Data Alone Can Discriminate All the Species Within the Complex Whereas ISSR-PCR DNA Fingerprinting Can
  Project Leader: Jesse H. de Leon, Guillermo A. Logarzo, and Serguei V. Triapitsyn


• Development of Molecular Markers Toward Glassy-winged Sharpshooter (GWSS) Egg Parasitoids to Aid in Both Identifying Key Predators of the GWSS Egg Stage and in Taxonomic Identifications
  Project Leader: Jesse H. de Leon, James R. Hagler, and Marshall Johnson


• Evaluation of Molecular Markers for Discriminating Gonatocerus morrilli: A Biological Control Agent Imported from the Origin of the Glassy-winged Sharpshooter
  Principal Investigators: Jesse H. de Leon and David J.W. Morgan


• RNA-Interference and Control of the Glassy-winged Sharpshooter and Other Leafhopper Vectors of Pierce's Disease
  Project Leaders: Bryce W. Falk, Mysore R. Sudarshana, and Michael Parrella


• Should Neoclassical Biological Control Agents from Argentina Be Released in California for Control of the Glassy-winged Sharpshooter?
  Project Director: Mark Hoddle and Nic Irvin


• The Anagrus epos Complex: A Likely Source of Effective Classical Biological Agents for Glassy-winged Sharpshooter Control
  Project Leaders: Joseph Morse and Richard Stouthamer


• Laboratory and Field Evaluations of Neonicotinoid Insecticides Against the Glassy-winged Sharpshooter
  Project Leaders: Nick C. Toscano, Frank J. Byrne, and Ed Weber


• Riverside County Glassy-winged Sharpshooter Area-Wide Management Program in the Coachella and Temecula Valleys
  Principal Investigator: Nick C. Toscano and Carmen Gispert


• Biology of the Xylella fastidiosa-Vector Interface
  Principal Investigators: Rodrigo Almeida


• Evolution of Xylella fastidiosa Avirulence
  Project Leaders: Rodrigo Almeida


• Modeling Sharpshooter Transmission of Xylella fastidiosa
  Project Leader: Rodrigo Almeida


• Feeding Behaviors of the Glassy-winged Sharpshooter That Control Inoculation of Xylella fastidiosa
  Project Leader: Elaine Backus


• Beta-1, 4 Glucanase in Glassy-winged Sharpshooter Saliva and Its Possible Role in Infection and Movement of Xylella fastidiosa
  Principal Investigator: Elaine A. Backus and John M. Labavitch


• The Roles That Different Pili Classes in Xylella fastidiosa Play in Colonization of Grapevines and Pierce’s Disease Pathogenesis: Chemosensory Cluster Controlling Twitching Motility
  Project Leaders: Thomas J. Burr and Harvey C. Hoch


• Seasonal Behavior of Xylella fastidiosa Causing Almond Leaf Scorch Disease Under Field Conditions and Detection of the Bacteria by Means of Array-PCR
  Project Leader: Jianchi Chen


• Characterization of Regulatory Pathways in Xylella fastidiosa: Genes and Phenotypes Controlled by GacA
  Project Leader: Donald A. Cooksey


• Understanding Control of Xylella fastidiosa Cell Aggregation: Importance in Colonization and Biofilm Development in Grapevine and Sharpshooter Foregut
  Project Leaders: Harvey C. Hoch and Thomas J. Burr


• The Role of Type V Secretion Autotransporters in the Virulence of Xylella fastidiosa
  Project Leaders: Michelle M. Igo


• Hierarchical Analysis and Diversity Studies of Xylella fastidiosa Populations in California by Multi-Locus Simple Sequence Repeat Markers
  Project Leaders: Hong Lin


• Assessment of the Process of Movement of Xylella fastidiosa within Susceptible and Resistant Grape Varieties
  Project Leader: Steve Lindow


• Management of Pierce's Disease of Grape by Interfering with Cell-Cell Communication in Xylella fastidiosa
  Project Leaders: Steve Lindow


• Initial Genetic Analysis of Xylella fastidiosa in Texas
  Project Leader: Lisa D. Morano and Blake R. Bextine


• Plasmid Addiction as a Novel Approach to Develop a Stable Plasmid Vector for Xylella fastidiosa
  Project Leader: Glenn M. Young and Michele Igo


• The Iron Stimulon of Xylella fastidiosa Includes Genes for Type IV Pilus and Colicin V-Like Bacteriocins
  Project Leaders: Paulo A. Zaini and Aline Maria de Silva


• An Analysis of C-Di-GMP Signaling in Xylella fastidiosa Virulence
  Project Leaders: David Appel and Paul de Figueiredo


• Exploiting Xylella fastidiosa Proteins for Pierce's Disease Control
  Project Leaders: George Bruening and Edwin Civerolo


• Grape Rootstock Variety Influence on Pierce's Disease Symptoms in Chardonnay
  Project Leaders: Peter Cousins and John Goolsby


• Effects of Xylella fastidiosa Group Almond Cultivar and Climate on the Establishment and Persistence of Infections Causing Almond Leaf Scorch
  Project Leaders: Kent Daane


• Evaluation of Signal Sequences for the Delivery of Transgene Products into the Xylem of Grapevine
  Project Leaders: Abhaya M. Dandekar


• Ground Vegetation Surveys to Determine Reservoir Hosts of Xylella fastidiosa in North Carolina
  Project Leaders: Leah E. Floyd and Turner B. Sutton


• Role of Type I Secretion in Pierce's Disease
  Project Leaders: Dean W. Gabriel


• Manipulation of Endophytic Bacteria for Symbiotic Control of Xylella fastidiosa Causal Agent of Citrus Variegated Chlorosis
  Project Leaders: Claudia Santos Gai, Paulo Teixeira Lacava, Welington Luiz Araujo, and Joao Lucio Azevedo


• Environmentally Created Immunity Against Pierce's Disease
  Project Leaders: David Harshman, Arinder K. Arora, and Thomas A. Miller


• Seasonal Appearance of Xylella in Vineyards and Control of Pierce's Disease in Southern California
  Project Leaders: Barry L. Hill and Thomas A. Miller


• Biological Control of Pierce's Disease of Grapevine with Benign Strains of Xylella fastidiosa Subsp. piercei
  Project Leaders: Donald L. Hopkins


• Evaluation of Grapevine Endophytic Bacteria for Control of Pierce's Disease
  Project Leaders: Bruce Kirkpatrick


• Identification of Mechanisms Mediating Cold Therapy of Xylella fastidiosa Infected Grapevines
  Project Leaders: Bruce Kirkpatrick


• Inhibition of Xylella fastidiosa Polygalacturonase to Produce Pierce's Disease Resistant Grapevines
  Project Leaders: Bruce Kirkpatrick


• Isolation, Characterization and Genetic Manipulation of Xylella fastidiosa Hemagglutinin Genes
  Project Leaders: Bruce Kirkpatrick and Michele Igo


• Native Secretion Systems for the Grapevine Endophyte Pantoea agglomerans Useful for the Delivery of Anti- Xylella Effector Proteins
  Project Leaders: David Lampe


• Examination of Glassy-winged Sharpshooter Entry Points of a High-Risk Vineyard in the Temecula Valley
  Project Leaders: Thomas A. Miller


• Finding Pierce's Disease Infected Vines in Large Vineyards: A Proposed Pierce's Disease Sampling Program
  Project Leaders: Thomas M. Perring


• Assays of Texas Vineyard Soils for Effects on Pierce’s Disease of Grape
  Project Leaders: Mark C. Black and James S. Kamas


• Role of Alfalfa in the Epidemiology of Xylella fastidiosa in California
  Project Leaders: Rodrigo Almeida


• Significance of Riparian Plants in the Epidemiology of Pierce's Disease
  Project Leaders: Kendra Baumgartner


• Enabling Technologies for Grape Transformation
  Project Leaders: Alan B. Bennett


• Support for the Management of Intellectual Property within the Pierce's Disease Research Initiative and Research Community
  Project Leaders: Alan B. Bennett


• Functional Testing and Characterization of Pierce's Disease Induced Promoters from Grape
  Project Leaders: David Gilchrist


• Resistance to Pierce's Disease by Transgenic Expression of Plant-Derived Anti-Apoptotic Genes
  Project Leaders: David Gilchrist and James Lincoln


• The Pit Membrane Barrier to Xylella fastidiosa Movement in Grapevines: Biochemical and Physiological Analysis
  Project Leaders: John Labavitch


• Microarray Analysis of Global Gene Expression of Vitis vinifera in Response to Xylella fastidiosa Infection
  Project Leaders: Hong Lin


• Endophytic Bacterial Populations in Grapevines Resistant to Pierce's Disease of Grapevine
  Project Leaders: Thomas A. Miller and Jennifer Parker


• Xylella fastidiosa Transmission by Glassy-winged Sharpshooters and Smoketree Sharpshooters from Alternate Hosts to Grapevines
  Project Leaders: Thomas M. Perring


• Breeding Pierce's Disease Resistant Table and Raisin Grapes and the Development of Markers for Additional Sources of Resistance
  Project Leaders: David W. Ramming and Andrew Walker


• Mechanisms of Pierce's Disease Transmission in Grapevines: The Xylem Pathways and Movement of Xylella fastidiosa. Comparison of the Xylem Structure of Susceptible/Tolerant Grapevines and Alternate Plant Hosts
  Project Leaders: Thomas L. Rost and Mark A. Matthews


• Assessing the Potential of Forage Alfalfa Crops to Serve as Xylella fastidiosa Primary Inoculum Sources in the San Joaquin Valley
  Project Leaders: Mark Sisterson, Russell Groves, Kent Daane, and Shyamala Thammiraju


• Map-Based Identification and Positional Cloning of Xylella fastidiosa Resistance Genes from Known Sources of Pierce's Disease Resistance in Grape
  Project Leaders: Andrew Walker and Summaira Riaz


• Breeding Pierce's Disease Resistant Winegrapes
  Project Leaders: Andrew Walker and Alan Tenscher


• In Vitro Study of the Effects of Grape Xylem Saps and Cell-Wall Constituents on Growth and Virulence- Related Gene Expression of Xylella fastidiosa
  Project Leaders: Davis Chen and Hong Lin