10 research outputs found
Newborn Screening Quality Assurance Program for CFTR Mutation Detection and Gene Sequencing to Identify Cystic Fibrosis
A multicenter study on PIVKA reference interval of healthy population and establishment of PIVKA cutoff value for hepatocellular carcinoma diagnosis in China
Hospitalization length survey and relation with distribution of LasA protease and type III secretion system encoding-genes in multi-drug resistant Pseudomonas aeruginosa isolates from burn wounds in southwest of Iran
Identification of different faces of Pseudomonas aeruginosa isolates in burn patients by genetic fingerprinting
Antimicrobial resistance and plasmid replicons in Yersinia enterocolitica strains isolated in Brazil in 30 years
Epidemiology and antimicrobial susceptibility of non-typeable Haemophilus influenzae in otitis media in Taiwanese children
Endovascular shedding markers in patients with heart failure with reduced ejection fraction
Genomic comparison of multi-drug resistant invasive and colonizing <it>Acinetobacter baumannii </it>isolated from diverse human body sites reveals genomic plasticity
<p>Abstract</p> <p>Background</p> <p><it>Acinetobacter baumannii </it>has recently emerged as a significant global pathogen, with a surprisingly rapid acquisition of antibiotic resistance and spread within hospitals and health care institutions. This study examines the genomic content of three <it>A. baumannii </it>strains isolated from distinct body sites. Isolates from blood, peri-anal, and wound sources were examined in an attempt to identify genetic features that could be correlated to each isolation source.</p> <p>Results</p> <p>Pulsed-field gel electrophoresis, multi-locus sequence typing and antibiotic resistance profiles demonstrated genotypic and phenotypic variation. Each isolate was sequenced to high-quality draft status, which allowed for comparative genomic analyses with existing <it>A. baumannii </it>genomes. A high resolution, whole genome alignment method detailed the phylogenetic relationships of sequenced <it>A. baumannii </it>and found no correlation between phylogeny and body site of isolation. This method identified genomic regions unique to both those isolates found on the surface of the skin or in wounds, termed colonization isolates, and those identified from body fluids, termed invasive isolates; these regions may play a role in the pathogenesis and spread of this important pathogen. A PCR-based screen of 74 <it>A. baumanii </it>isolates demonstrated that these unique genes are not exclusive to either phenotype or isolation source; however, a conserved genomic region exclusive to all sequenced <it>A. baumannii </it>was identified and verified.</p> <p>Conclusions</p> <p>The results of the comparative genome analysis and PCR assay show that <it>A. baumannii </it>is a diverse and genomically variable pathogen that appears to have the potential to cause a range of human disease regardless of the isolation source.</p