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BACKGROUND Chlamydia trachomatis (Ct) and Chlamydia pneumoniae (Cp) are medically significant infectious agents associated with various chronic human pathologies. Nevertheless, specific roles in disease progression or initiation are incompletely defined. Both pathogens infect established cell lines in vitro and polymerase chain reaction (PCR) has detected(More)
An emerging body of evidence suggests that half of asthma in both children and adults is associated with chronic lung infection. The aim of the present study was to determine the frequency of viable Chlamydia pneumoniae (Cp) and C. trachomatis (Ct) in the respiratory tracts of paediatric patients with chronic respiratory diseases. Bronchoalveolar lavage(More)
BACKGROUND Previous studies indicated that recombinant gas vesicles (r-GV) from a mutant strain of Halobacterium sp. NRC-1 could express a cassette containing test sequences of SIVmac gag derived DNA, and function as an antigen display/delivery system. Tests using mice indicated that the humoral immune response to the gag encoded sequences evoked(More)
BACKGROUND Lipid raft domains form in plasma membranes of eukaryotic cells by the tight packing of glycosphingolipids and cholesterol. Caveolae are invaginated structures that form in lipid raft domains when the protein caveolin-1 is expressed. The Chlamydiaceae are obligate intracellular bacterial pathogens that replicate entirely within inclusions that(More)
Chlamydia trachomatis (C. trachomatis) is a clinically significant human pathogen and one of the leading causative agents of sexually transmitted diseases. As obligate intracellular bacteria, C. trachomatis has evolved strategies to redirect the host’s signaling and resources for its own survival and propagation. Despite the clinical notoriety of Chlamydia(More)
BACKGROUND Recombinant gas vesicles (r-GV) from Halobacterium sp. strain SD109 expressing cassettes with different SIVsm inserts, have potential utility as an effective antigen display system for immunogen testing in vivo and for initial epitope assessments in vitro. Previous mouse model studies demonstrated immunization with r-GV expressing selected(More)
BACKGROUND Obligate intracellular pathogens belonging to the Chlamydiaceae family possess a number of mechanisms by which to manipulate the host cell and surrounding environment. Such capabilities include the inhibition of apoptosis, down-regulation of major histocompatability complex (MHC) and CD1/d gene expression, and the acquisition of host-synthesized(More)
Upon close examination of the representative image depicted in 'figure 2' from [1] and a figure published elsewhere [2], we realized that the 'figure 2' of this work was a lower magnification of a section of the same microscope slide used in the previous manuscript [2]. The experiments leading to the data for these two manuscripts were generated during the(More)
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