Poster Abstract Session:
124. Bacterial Pathogenesis
Saturday, October 22, 2011: 11:45 AM-1:45 PM
Room: Poster Hall B1

Topical Category: B. Bacterial pathogenesis, studies in animal models, molecular pathogenicity

Tracks: Adult ID, Pediatric ID, Investigative ID


Role of Leptin in Modulating Inflammatory Responses During Clostridium difficile-associated Colitis
Rajat Madan, MD, PhD ; Xiaoti Guo, PhD ; Glynis L. Kolling, PhD ; Margo Roberts, Ph.D. ; William Petri, MD, PhD

Aging predisposes mice to acute symptomatic disease and prolonged weight loss in a murine model of Clostridium difficile infection
Sean Pawlowski, MD ; Glynis L. Kolling, PhD ; Gina M. Calabrese, BS ; Rosemayre S. Freire ; James Platts-Mills, MD ; Cirle AlcantaraWarren, MD ; Richard Guerrant, MD

Adenosine A2A Receptor Agonists Reduce Recurrence and Late Mortality in Clostridium difficile-infected Mice treated with Vancomycin
Yuesheng Li, MD, PhD ; Glynis L. Kolling, PhD ; Robert A. Figler, PhD ; Jayson Rieger, PhD ; Ralph W. Stevenson, PhD ; Joel Linden, PhD ; Richard Guerrant, MD ; Cirle Alcantara Warren, MD

Effect of Linezolid on Pulmonary Cytokines in a Murine Model of Post-influenza Methicilicn Resistant S.aureus (MRSA) Infection
Yaling He, MD ; Xinyan Liu, MD, PhD ; Dahlene Fusco, MD, PhD ; Genovefa Papanicolaou, MD

Infection with Staphylococcus aureus Alters Lipid Metabolism and Modulates Adipokine Secretion in Adipocytes
Frank Hanses, MD ; Andrea Kopp, PhD ; Bernd Salzberger, MD ; Andreas Schäffler, MD

Impact of Hypermutators on Pathoadaptation of Staphylococcus aureus to the Cystic Fibrosis Airway
Gregory Canfield, BS ; Kanitsak Boonanantanasarn, PhD ; Kelly Vore, BS ; Matthew Foley ; Ann Gill, MS ; Mark Sutton, PhD ; Steven Gill, PhD

Micro-Evolution of Staphylococcus aureus During Carriage and Disease
Bernadette Young, MBBS ; Rowena Fung ; Elizabeth Batty ; Rory Bowden ; Derrick Crook, MB BCh ; Daniel Wilson

Metagenomic Analysis of Anterior Nares Colonization in Nursing Home Residents
Mary-Claire Roghmann, MD, MS ; J. Kristie Johnson, PhD ; Emmanuel Mongodin, PhD

Evaluation of Gene Disruption Mutants of Enterococcus faecalis in a Rat Model of Foreign Body Osteomyelitis
Paschalis Vergidis ; Kristi L. Frank ; Gary M. Dunny ; Kerryl E. Greenwood Quaintance ; Patrick M. Schlievert ; Melissa J. Karau ; Suzannah M. Schmidt ; Jayawant N. Mandrekar ; Robin Patel

A novel mechanism that contributes to the virulence of an emerging hypervirulent (hypermucoviscous) variant of Klebsiella pneumoniae
Thomas Russo, MD, CM, FIDSA ; Janet Beanan, B. Sc. ; Ruth Olson, B. Sc. ; Ulrike MacDonald, B. Sc. ; Alexander Pomakov ; Mark Paul Visitacion, MD

Biofilm Formation by Clinical Strains Isolated from Patients in a Military Treatment Facility
Carlos Sanchez Jr., MS ; Katrin Mende, PhD ; Miriam Beckius, MPH ; Joseph Wenke, PhD ; Clinton K. Murray, MD

Comparative Profile of Iron Acquisition Genes in Nontypeable Haemophilus influenzae in Colonization and Disease
Nurul Hariadi, MD ; Sara Sandstedt, PhD ; Mayuri Patel ; Lixin Zhang, PhD ; Nathan LaCross ; William Nance ; Gregg Davis ; Carl Marrs, PhD ; Janet Gilsdorf, MD

Genetic diversity of non-O157 Shiga toxin-producing Escherichia coli (STEC) strains associated with disease in Michigan, Connecticut and Utah
Rebekah Mosci ; Jillian Tietjen ; David Lacher, PhD ; Lindsey Oullette ; Quyen Phan, MPH ; John Fontana, PhD ; Jim Hadler, MD, MPH ; James Rudrik, PhD ; Shannon Manning, PhD

Characterization of a Virulence Factor in the Mechanisms of Shigella Pathogenesis
Thomas G. Fox, MD ; Andrey Selyunin ; Neal M. Alto, PhD

Distribution of Multilocus Sequence Types among Invasive Group B Streptococcal Isolates from Adult, Elderly and Neonatal Populations in Canada
Rim Al Safadi, PhD ; Guangxi Wu ; A. Cody Springman ; Shannon D. Manning, PhD ; H. Dele Davies, MD

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Findings in the abstracts are embargoed until 12:01 a.m. EST Thursday, Oct. 20 with the exception of research findings presented at IDSA press conferences.