Gordon Research Conferences
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Conference Program
 
Spirochetes, Biology of
April 23-28, 2006
Il Ciocco Hotel and Resort
Lucca (Barga), Italy
Chair:
David A. Haake

Vice Chair:
Sven A. Bergström

The Gordon Research Conference on the Biology of Spirochetes is devoted to discussions on basic research of all medically important and biologically relevant spirochetes, a unique group of Eubacteria. Many spirochetes are pathogens and cause a variety of diseases, including syphilis, Lyme disease, relapsing fever, leptospirosis, periodontal disease, digital dermatitis of cattle, and swine and human dysentery. Certain nonpathogenic spirochetes are also of great interest, such as the termite gut symbionts. The goal of this GRC is to provide a forum for exchange of ideas among groups working on different spirochetes, particularly in the area of new techniques for genetic manipulation. The application of genetic advancements and the availability of genomic sequences for Borrelia burgdorferi, B. garinii, Treponema pallidum, T. denticola, Leptospira spp. and other spirochetes are providing a wealth of new information. Combined, these data are being integrated into ongoing studies on the physiology, structure, pathogenesis, and immunobiology of these bacteria.


Contributors
Many thanks to the following contributors to the 2006 Biology of Spirochetes GRC:

ARUP INSTITUTE FOR CLINICAL AND EXPERIMENTAL PATHOLOGY
EQUITECH-BIO
EUROIMMUN AG
GORDON RESEARCH CONFERENCES
IDEXX LABORATORIES
IMMUNETICS
NATIONAL INSTITUTES OF HEALTH
NEW ENGLAND BIOLABS
PIERCE BIOTECHNOLOGY
U.S. DEPARTMENT OF AGRICULTURE

SUNDAY
4:00 pm - 9:00 pmArrival and Check-in
6:00 pmDinner
7:30 pm - 9:30 pmHOST-PATHOGEN INTERACTIONS AND BACTERIAL PATHOGENESIS
7:30 pm - 7:40 pm Discussion Leader: Erol Fikrig (Yale Univ., New Haven, CT)
7:40 pm - 8:05 pm Magnus Höök (Texas A & M University, Houston, TX)
"MSCRAMMs of Bacterial Pathogens Including Spirochetes"
8:05 pm - 8:15 pmDiscussion
8:15 pm - 8:40 pm Jon Skare (Texas A&M University, College Station, TX)
"The Role of bbk32 in Borrelia burgdorferi Infectivity"
8:40 pm - 8:50 pmDiscussion
8:50 pm - 9:15 pm Linden Hu (Tufts Univ., Boston, MA)
"The Role of Matrix Metalloproteinases in the Pathogenesis of Lyme Arthritis"
9:15 pm - 9:25 pmDiscussion
MONDAY
7:30 am - 8:30 amBreakfast
9:00 am - 12:30 pmSPIROCHETES: THE GENOMIC PERSPECTIVE
9:00 am - 9:10 amDiscussion Leader: Tom Schwan (NIAID, Rocky Mountain Labs, Hamilton, MT)
9:10 am - 9:30 amSherwood Casjens (Univ. Utah, Salt Lake City, UT)
"Comparative Analysis of Borrelia Genomes"
9:30 am - 9:40 amDiscussion
9:40 am - 10:00 amWolfram Zückert (Univ. Kansas, Kansas City, KS)
"Spirochetal Protein Export Pathways"
10:00 am - 10:10 amDiscussion
10:10 am - 11:00 amCoffee Break / Photo Session
11:00 am - 11:20 amRichard Zuerner (National Animal Disease Center, Ames, IA)
"The Papillomatous Digital Dermatitis Treponeme - Genomic Insights"
11:20 am - 11:30 amDiscussion
11:30 am - 11:50 amArturo Centurion-Lara (Univ. Washington, Seattle, WA)
"The tprK System of Treponemal Species and Subspecies"
11:50 am - 12:00 pmDiscussion
12:00 pm - 12:20 pmDavid Šmajs (Masaryk University, Brno, Czech Republic)
"Comparative Genomics of Treponemes"
12:20 pm - 12:30 pmDiscussion
12:30 pmLunch
1:30 pm - 4:00 pmFree Time
4:00 pm - 5:30 pmPoster Session I
5:30 pm - 7:30 pmSPIROCHETE GENETICS AND GENETIC MANIPULATION
5:30 pm - 5:40 pmDiscussion Leader: Patti Rosa (NIAID, Rocky Mountain Labs, Hamilton, MT)
5:40 pm - 6:05 pmMathieu Picardeau (Pasteur Inst., Paris, France)
"Genetic Manipulation of Leptospires"
6:05 pm - 6:15 pmDiscussion
6:15 pm - 6:40 pmPhilip Stewart (NIAID, Rocky Mountain Labs, Hamilton, MT)
"Molecular Genetic Manipulation of Borrelia burgdorferi"
6:40 pm - 6:50 pm Discussion
6:50 pm - 7:15 pm Chris Fenno (Univ. Michigan, Ann Arbor, MI)
"Strategies for Genetic Manipulation of Treponema denticola"
7:15 pm - 7:25 pm Discussion
8:00 pmDinner
TUESDAY
7:30 am - 8:30 amBreakfast
9:00 am - 12:30 pmHOST IMMUNE RESPONSE AND BACTERIAL PERSISTENCE
9:00 am - 9:10 amDiscussion Leader: Sheila Lukehart (Univ. Washington, Seattle, WA)
9:10 am - 9:55 amStaffan Normark (Karolinska Institute, Stockholm, Sweden)
"Host and Microbial Factors Determining Disease Outcome: Carriage Versus Acute or Persistent Infection"
9:55 am - 10:05 amDiscussion
10:05 am - 10:30 amAlan Barbour (UC Irvine, Irvine, CA)
"Programming of Antigenic Variation in Relapsing Fever"
10:30 am - 10:40 amDiscussion
10:40 am - 11:20 amCoffee Break
11:20 am - 11:45 amJanis Weis (Univ. Utah, Salt Lake City, UT)
"Host Genetic Loci that Regulate the Outcome of Borrelia burgdorferi Infection"
11:45 am - 11:55 amDiscussion
11:55 am - 12:20 pmLinda Bockenstedt (Yale Univ., New Haven, CT)
"Genesis and Control of Lyme Borreliosis by Innate Immunity"
12:20 pm - 12:30 pmDiscussion
12:30 pmLunch
1:30 pm - 4:00 pmFree Time
4:00 pm - 5:30 pmPoster Session I
5:30 pm - 7:30 pmINVASIVE STRATEGIES OF SPIROCHETAL PATHOGENS
5:30 pm - 5:40 pm Discussion Leader: Rich Ellen (Univ. Toronto, Toronto, Canada)
5:40 pm - 6:05 pmJenifer Coburn (Tufts Univ., Boston, MA)
"Determinants of Borrelia burgdorferi Tissue Tropism"
6:05 pm - 6:15 pmDiscussion
6:15 pm - 6:40 pmJarlath Nally (University College Dublin, Belfield, Ireland)
"Adaptation of Pathogenic Leptospires to the Host Environment"
6:40 pm - 6:50 pm Discussion
6:50 pm - 7:15 pm Annette Moter (Charité University Medicine, Berlin, Germany)
"FISHing for Spirochetes: Treponemes in periodontitis and digital dermatitis"
7:15 pm - 7:25 pm Discussion
8:00 pmDinner
WEDNESDAY
7:30 am - 8:30 amBreakfast
9:00 am - 12:30 pmSPIROCHETE BIOLOGY AND DIVERSITY
9:00 am - 9:10 am Discussion Leader: Isabelle Saint Girons (Pasteur Inst., Paris, France)
9:10 am - 9:30 am Nyles Charon (West Virginia Univ., Morgantown, WV)
"Spirochete Motility and Chemotaxis"
9:30 am - 9:40 amDiscussion
9:40 am - 10:00 amSteve Norris (Univ. Texas, Houston, TX)
"Treponema pallidum: Physiology of an Obligate Parasite"
10:00 am - 10:10 amDiscussion
10:10 am - 10:50 amCoffee Break
10:50 am - 11:10 amJared Leadbetter (Caltech, Pasadena, CA)
"Metabolic Transformation of Plant Biomass by Termite Gut Spirochetes"
11:10 am - 11:20 amDiscussion
11:20 am - 11:40 amJonas Bunikis (UCI, Irvine, CA)
"The Enzootic Cycle of Lyme Borreliosis, Diversity and Maintenance"
11:40 am - 11:50 amDiscussion
11:50 am - 12:10 pmDarren Trott (Univ. Queensland, Brisbane, Australia)
"The Outer Membrane of Brachyspira Species"
12:10 pm - 12:20 pmDiscussion
12:30 pmLunch
1:30 pm - 4:00 pmFree Time
4:00 pm - 5:30 pmPoster Session II
5:30 pm - 7:30 pmCOMPLEMENT EVASION STRATEGIES OF SPIROCHETES
5:30 pm - 5:40 pmDiscussion Leader: Marina Cinco (Univ. Trieste, Trieste, Italy)
5:40 pm - 6:05 pmSakari Jokiranta (National Public Health Inst., Helsinki, Finland)
"Complement Evasion by Relapsing Fever Borreliae"
6:05 pm - 6:15 pmDiscussion
6:15 pm - 6:40 pmPeter Kraiczy (Univ. Hospital of Frankfurt, Frankfurt, Germany)
"Complement Regulator-Acquiring Surface Proteins (CRASPs) of Borrelia burgdorferi"
6:40 pm - 6:50 pmDiscussion
6:50 pm - 7:15 pmRich Marconi (Medical College of Virginia, Richmond, VA)
"Structure-Function Analysis of Spirochetal Complement Binding Proteins"
7:15 pm - 7:25 pmDiscussion
7:30 pm - 8:00 pmBusiness Meeting
(Nominations for the next Vice Chair; Fill out Conference Evaluation Forms; Discuss future Site & Scheduling preferences; Election of the next Vice Chair)
8:00 pmDinner
THURSDAY
7:30 am - 8:30 amBreakfast
9:00 am - 12:30 pmGENE REGULATION AND EXPRESSION IN SPIROCHETES
9:00 am - 9:10 amDiscussion Leader: Darrin Akins (Univ. of Oklahoma, Oklahoma City, OK)
9:10 am - 9:55 amLalita Ramakrishnan (Univ. Washington, Seattle, WA)
"The Dynamic Nature of Mycobacterium-Macrophage Interactions"
9:55 am - 10:05 amDiscussion
10:05 am - 10:25 amBen Adler (Monash Univ., Melbourne, Australia)
"Leptospiral Transcriptional Responses to Environmental Stimuli"
10:25 am - 10:35 amDiscussion
10:35 am - 10:50 amCoffee Break
10:50 am - 11:10 amBrian Stevenson (Univ. Kentucky, Lexington, KY)
"Molecular Mechanisms of Borrelia burgdorferi Gene Regulation"
11:10 am - 11:20 amDiscussion
11:20 am - 11:40 amScott Samuels (Univ. Montana, Missoula, MT)
"Engineering Borrelia burgdorferi Gene Regulation"
11:40 am - 11:50 amDiscussion
11:50 am - 12:10 pmFrank Yang (Indiana Univ., Indianapolis, IN)
"Function and regulation of Borrelia burgdorferi outer surface protein OspA"
12:10 pm - 12:20 pm Discussion
12:30 pmLunch
1:30 pm - 4:00 pmFree Time
4:00 pm - 5:30 pmPoster Session II
5:30 pm - 7:30 pmLATE BREAKING SESSION
Discussion Leaders: Caroline Cameron (Washington Univ., Seattle, WA) & James Matsunaga (UCLA / VA, Los Angeles, CA)
5:30 pm - 5:40 pmDouglas Botkin (Univ. Texas, Houston, TX)
"Identification of Potential Virulence Determinants by Himar1 Transposition of Infectious Borrelia burgdorferi B31"
5:40 pm - 5:45 pmDiscussion
5:45 pm - 5:55 pm Mary Brinkman (Baylor College of Medicine, Houston, TX)
"Antigen Identification and Characterization in Treponema pallidum"
5:55 pm - 6:00 pmDiscussion
6:00 pm - 6:10 pmMelissa Caimano (Univ. Connecticut Health Center, Farmington, CT)
"RpoS Coordinates the Reciprocal Upregulation and Repression of a Subset of Differentially Expressed Borrelial Genes Associated with the Mammalian and Tick Phases of the Enzootic Cycle"
6:10 pm - 6:15 pmDiscussion
6:15 pm - 6:25 pmCaroline Bamford (Univ. Bristol, Bristol, UK)
"Fibrinogen-binding by Treponema denticola is Mediated by the Chymotrypsin-like Protease Complex"
6:25 pm - 6:30 pmDiscussion
6:30 pm - 6:40 pm Michael Miller (West Virginia Univ., Morgantown, WV)
"Identification of Defined Chemoattractants for Borrelia burgdorferi Using a Modified Capillary Tube Assay"
6:40 pm - 6:45 pmDiscussion
6:45 pm - 6:55 pmChrister Larsson (UMEA Universitet, Sweden)
"Latent Infection in the Brain Facilitate Immune Evasion and Disease Reactivation by the Relapsing Fever Spirochete Borrelia duttonii"
6:55 pm - 7:00 pmDiscussion
7:00 pm - 7:10 pmHelene Louvel (Pasteur Inst., Paris, France)
"Iron Regulation by a Two-Component System in Leptospira"
7:10 pm - 7:15 pmDiscussion
7:15 pm - 7:25 pmVolker Fingerle (Univ. Munich, Munich, Germany)
"Complementation of an European Borrelia afzelii Mutant Lacking Outer Surface Protein C Highlights the Crucial Role of OspC for Dissemination of Borrelia afzelii in Ixodes ricinus"
7:25 pm - 7:30 pmDiscussion
8:00 pmDinner
FRIDAY
7:30 am - 8:30 amBreakfast
9:00 amDepart

 
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