Burkholderia pseudomallei Δ tonB Δ hcp1 Live Attenuated Vaccine Strain Elicits Full Protective Immunity against Aerosolized Melioidosis Infection

Author:

Khakhum Nittaya1,Bharaj Preeti1,Myers Julia N.1,Tapia Daniel1,Kilgore Paul B.1,Ross Brittany N.1,Walker David H.2,Endsley Janice J.1,Torres Alfredo G.12

Affiliation:

1. Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, Texas, USA

2. Department of Pathology, University of Texas Medical Branch, Galveston, Texas, USA

Abstract

In recent years, an increasing number of melioidosis cases have been reported in several regions where melioidosis is endemic and in areas where melioidosis had not commonly been diagnosed. Currently, the estimated burden of disease is around 165,000 new cases annually, including 89,000 cases that have fatal outcomes. This life-threatening infectious disease is caused by B. pseudomallei , which is classified as a Tier 1 select agent. Due to the high case fatality rate, intrinsic resistance to multiple antibiotic treatments, susceptibility to infection via the aerosol route, and potential use as a bioweapon, we have developed an effective live attenuated PBK001 vaccine capable of protecting against aerosolized melioidosis.

Funder

DOD | Defense Threat Reduction Agency

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

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