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6TH INTERNATIONAL CONFERENCE

CRYPTOCOCCUS & CRYPTOCOCCOSIS
June 24-28, 2005

Boston Marriott Long Wharf
Boston, MA


Scientific Program

Friday, June 24, 2005
1:00pm W1. Genomics Workshop
6:30pm Opening Address: "The Uniqueness of Cryptococcus neoformans"
Arturo Casadevall, Albert Einstein College of Medicine, Bronx, NY, USA
SOCIAL EVENT: Welcome Reception
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Saturday, June 25, 2005
8:10am Announcements
S1. Virulence
Conveners: John Perfect and Jennifer Lodge
8:15am S1.1. Cryptococcus neoformans: The Yeast That Likes It Hot!!!!!
John Perfect, Duke University, Durham, NC, USA
8:40am S1.2. Mechanisms of Resistance to Oxidative and Nitrosative Stress
Jennifer Lodge, St. Louis University, St. Louis, MO, USA
9:05am S1.3. Phenotypic Switching in Cryptococcus neoformans: Implications for Pathogenesis
Bettina Fries, Albert Einstein College of Medicine, Bronx, NY, USA
9:30am S1.1.Oral: A Calcium-Selective Voltage-Gated Channel in the Plasma Membrane of Cryptococcus neoformans
Presenter: Angie Gelli
9:45am S1.2.Oral: Mass Spectrometry Reveals Novel Structural Elements in Glucuronoxylomannan that Imply the Potential for Enormous Antigenetic Variation
Presenter: Diane C. McFadden
10:00am Coffee Break
S2. Insights from Clinical Studies
Conveners: Jack Bennett and Peter Pappas
10:30am S2.1. Immune Reconstitution Inflammatory Syndrome During AIDS-associated Cryptococcosis
Olivier Lortholary, Institut Pasteur, Paris, France
10:55am S2.2. Quantitative Cultures for Assessment of the Fungicidal Activity of Novel Regimens
Thomas Harrison, St. George's Hospital, London, England
11:20am S2.3. Cryptococcosis in Transplant Recipients
Peter Pappas, University of Alabama School of Medicine, Birmingham, AL, USA
11:45am S2.1.Oral: Genotyping by Multilocus Sequence Typing Reveals Three Genetically Distinct Subpopulations of Cryptococcus neoformans var. grubii (serotype A), Including a Unique, Possibly Recombining, Population in Botswana
Presenter: Anastasia P. Litvintseva
12:00pm Lunch Break
S3.Capsule
Conveners: Tamara Doering and Thomas Kozel
1:50pm S3.1. Capsule Biosynthesis
Guihem Janbon, Institut Pasteur, Paris, France
2:15pm S3.2. The Ins and Outs of Capsule Synthesis
Tamara Doering, Washington University, St. Louis, MO, USA
2:40pm S3.3. Capsule, Complement and Antibody Interactions
Thomas Kozel, University of Nevada, Reno, NV, USA
3:05pm S3.4. GXM as an Immunosuppressive Agent
Anna Vecchiarelli, University of Perugia, Perugia, Italy
3:30pm Coffee Break
S4. Sex, Signaling, and the Mating Type Locus
Conveners: June Kwon-Chung and Joseph Heitman
4:00pm S4.1. Sex, MAT, and Virulence of Cryptococcus neoformans
Joseph Heitman, Duke University, Durham, NC, USA
4:25pm S4.2. Biology of the Mating System on Cryptococcus Virulence: Is MATa Functionally the Male, While MATa is a Female?
June Kwon-Chung, National Institutes of Health, Bethesda, MD, USA
4:50pm S4.3. Regulators of G-Protein Signaling in Cryptococcal Virulence
Ping Wang, Children's Hospital, New Orleans, LA, USA
5:15pm S4.4. G-Protein Signaling in Cryptococcal Virulence
Andrew Alspaugh, Duke University, Durham, NC, USA
5:40pm S4.1.Oral: Sexual Reproduction Between Partners of the Same Mating-Type in Cryptococcus neoformans
Presenter: Xiaorong Lin
5:55pm Adjourn
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Sunday, June 26, 2005
8:10am Announcements
S5. Pathogenesis
This session is sponsored by the Ellison Medical Foundation.
Conveners: Frank Coenjaerts and Maurizio del Poeta
8:10am S5.1. Novel Aspects in Cryptococcal Pathogenesis
Frank Coenjaerts, University Medical Centre Utrecht, Utrecht, The Netherlands
8:40am S5.2. Interacting Regulators of Fungal Virulence
Peter Williamson, University of Illinois - Chicago, Chicago, IL, USA
9:05am S5.3. Sphingolipid-Mediated Host-Pathogen Interaction: The Role of Ceramides
Maurizio del Poeta, Medical University of South Carolina, Charleston, SC, USA
9:30am S5.1.Oral: Secretion of Cryptococcal Phospholipase B1 (PLB1) is regulated by a Glycosylphosphatidylinositol (GPI) Anchor
Presenter: Julianne T. Djordjevic
9:45am S5.2.Oral: CD63 is Selectively Recruited to Phagosomes Containing Cryptococcus neoformans in Primary Mouse Bone Marrow Dendritic Cells
Presenter: Jatin M. Vyas
10:00am Coffee Break
S6. Cryptococcus neoformans: One, Two, or More Species
Convener: Ira Salkin
10:30am S6.1. Molecular Characterization of the Cryptococcus neoformans Species Complex
Wieland Meyer, University of Sydney, Sydney, Australia
10:55am S6.2. Is it a One, Two, or More Species System Supported by the Major Species Concept?
June Kwon-Chung, National Institutes of Health, Bethesda, MD, USA
11:10am S6.3. How Many Species?
Teun Boekhout, Centraalbureau voor Schimmelcultures, Utrecht, The Netherlands
11:25am S6.4. Debate: How Many Species and Varietal States Are There?
June Kwon-Chung, National Institutes of Health, Bethesda, MD, USA
Teun Boekhout, Centraalbureau voor Schimmelcultures, Utrecht, The Netherlands
Wieland Meyer, University of Sydney, Sydney, Australia
12:15pm Lunch Break
S7. Model Systems from Worms to Rodents to Humans
Conveners: Arturo Casadevall and Thomas Harrison
2:00pm S7.1. Cryptococcus neoformans and Asthma
David Goldman, Albert Einstein College of Medicine, Bronx, NY, USA
2:25pm S7.2. Worms, Flies, and the Pursuit of Cryptococcal Pathogenesis: Heterologous Hosts and the Study of Cryptococcal Host/Pathogen Interactions
Eleftherios Mylonakis, Massachusetts General Hospital, Boston, MA, USA
2:50pm S7.3. Mechanisms of Direct Lymphocyte-Mediated Anticryptococcal Activity
Christopher Mody, University of Calgary, Calgary, Canada
3:15pm S7.1.Oral: Protection Against Cryptococcosis Using a Cytokine Secreting Cryptococcus neoformans Strain
Presenter: Floyd L. Wormley, Jr.
3:30pm S8. Poster Session 1
5:30pm Adjourn
SOCIAL EVENT: Harbor Cruise
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Monday, June 27, 2005
8:10am Announcements
S9. The Road from the Lung to the Brain
Conveners: Tania Sorrell and Françoise Dromer
8:15am S9.1. Lung Adherent Cells - Their Responses During Pulmonary Cryptococcosis
Juneann Murphy, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
8:40am S9.2. How Do Cryptococcal Cells Invade the Central Nervous System?
Yun Chang, National Institutes of Health, Bethesda, MD, USA
9:05am S9.3. What NMR Spectroscopy Has Revealed About Cryptococcus and Cryptococcosis
Tania Sorrell, University of Sydney, Sydney, Australia
9:30am S9.4. Cryptococcus neoformans Crossing of the Blood Brain Barrier
Françoise Dromer, Institut Pasteur, Paris, France
9:55am Coffee Break
S10. Innate and Acquired Host Immune Responses
Conveners: Kazuyoshi Kawakami and Juneann Murphy
10:25am S10.1. The Dynamics of Cell-Mediated Immunity to Cryptococcus
Gary Huffnagle, University of Michigan, Ann Arbor, MI, USA
10:50am S10.2. DC-Based Host Protection from Lethal Infection with Cryptococcus neoformans
Kazuyoshi Kawakami, University of the Ryukyus, Okinawa, Japan
11:15am S10.3. Immunoprotective Cryptococcal Proteins
Giuseppe Teti, Universita di Messina, Messina, Italy
11:40am S10.4. How Dendritic Cells Recognize Mannoproteins to Initiate a Cell-Mediated Immune Response
Stuart Levitz, Boston University, Boston, MA, USA
12:05pm Luncheon Session:
Optimizing Antifungal Therapy

Convener: Marianna Viviani
Supported by an unrestricted educational grant from ENZON Pharmaceuticals, Inc.
1. How Will Prospective Databases Help Us Manage Our Patients with Cryptococcosis and Other Mycoses?
John Perfect, Duke University, Durham, NC, USA
2. Antifungal Susceptibility Testing
Mahmoud Ghannoum, Case Western Reserve University, Cleveland, OH, USA
2:00pm S11. Poster Session 2
S12. Genomics: Proteomics and Glycomics
Conveners: Jim Kronstad and Fred Dietrich
3:50pm S12.1. Transcriptional Analysis of Cryptococcus neoformans by Arbitrary-Primed PCR
Brian Wickes, University of Texas Health Sciences Center, San Antonio, TX, USA
4:15pm S12.2. Exploring the Serotype A Genome
Fred Dietrich, Duke University, Durham, NC, USA
4:40pm S12.3. Characterization of Iron-Regulated Genes That Encode Sensing and Uptake Functions
Jim Kronstad, University of British Columbia, Vancouver, Canada
5:05pm S12.4. Chitin and Chitosan Synthesis for the Cryptococcal Cell Wall
Charles Specht, Boston University, Boston, MA, USA
5:30pm Adjourn
6:00pm SOCIAL EVENT: Closing Banquet
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Tuesday, June 28, 2005
8:10am Announcements
S13. Ecology and Epidemiology
Conveners: David Ellis and Shigeru Khono
8:15am S13.1. Canadian Cryptococcus gattii - Temporary Visa or Landed Immigrant?
Karen Bartlett, University of British Columbia, Vancouver, Canada
8:40am S13.2. The Contribution of Veterinary Medicine to Understanding the Global Epidemiology of Cryptococcosis
Richard Malik, University of Sydney, Sydney, Australia
9:05am S13.3. Sex and the Natural Ecology of Cryptococcus: How Can We Prove It and Why Do We Want To Know?
Dee Carter, University of Sydney, Sydney, Australia
9:30am S13.1.Oral: Direct and Indirect Analysis Identifies Recombination and Mating in Australian Cryptococcus gattii Isolates
Presenter: Leona Campbell
9:45am S13.2.Oral: Gene Genealogies Indicate Multiple Recent Migrations and a Clonal Propagation of at Least Two Distinct Evolutionary Lineages of Cryptococcus gattii Isolates in British Columbia
Presenter: S.E. Kidd
10:00am Coffee Break
S14. New Agents and Therapeutic Approaches
Conveners: Marianne Viviani and Itzhack Polacheck
10:30am S14.1. Variety in Cryptococcal Pathogenesis
Shigeru Kohno, Nagasaki University, Nagasaki, Japan
10:55am S14.2. Opportunities for Research and Treatment of Cryptococcosis in Tanzania
Gary Cox, Duke University, Durham, NC, USA
11:20am S14.3. Towards a Vaccine for Cryptococcus neoformans
Liise-anne Pirofski, Albert Einstein College of Medicine, Bronx, NY, USA
11:45am S14.1.Oral: Radiobiological and Immune Mechanisms of Radioimmunotherapy of Cryptococcus neoformans Infection
Presenter: E. Dadachova
12:00pm Adjourn
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