Acinetobacter baumannii

Molecular characterization of carbapenemase genes in Acinetobacter baumannii in China

F. Fang, Wang, S., Dang, Y. X., Wang, X., Yu, G. Q., Fang, F., Wang, S., Dang, Y. X., Wang, X., Yu, G. Q., Fang, F., Wang, S., Dang, Y. X., Wang, X., and Yu, G. Q., Molecular characterization of carbapenemase genes in Acinetobacter baumannii in China, vol. 15, p. -, 2016.

Acinetobacter baumannii is an aerobic non-motile Gram-negative coccobacillus, and it is one of the most important nosocomial pathogens worldwide. The aim of this study was to determine the molecular epidemiology of the outbreak strains. Between March 2011 and March 2014, a total of 205 strains of A. baumannii were isolated from patients at the Nanyang City Center Hospital. The blaOXA-23, blaOXA-24, blaOXA-51, and blaOXA-58 genes were amplified by multiplex polymerase chain reaction.

Investigations on the genomic diversity of OXA from isolated Acinetobacter baumannii

Z. Ma, Zhou, L. Q., Wang, H., and Luo, L. P., Investigations on the genomic diversity of OXA from isolated Acinetobacter baumannii, vol. 14, pp. 14711-14716, 2015.

We distinguished the four OXA-type carbapenemase subgroup alleles present in 120 strains of Acinetobacter baumannii by using polymerase chain reaction (PCR) and investigated the distributions of the OXA subgroups in clinically isolated samples. Amplification of the OXA genes blaOXA-23, blaOXA-24, blaOXA-51, and blaOXA-58 was performed by multiplex PCR. Antibiotics susceptibility test was conducted for determine the sensitivity of the A. baumannii to clinical common used antibiotics by Kirby-Bauer method.

Analysis of drug-resistant gene detection of blaOXA-like genes from Acinetobacter baumannii

D. K. Yang, Liang, H. J., Gao, H. L., Wang, X. W., and Wang, Y., Analysis of drug-resistant gene detection of blaOXA-like genes from Acinetobacter baumannii, vol. 14, pp. 18999-19004, 2015.

Our study determines the resistance gene profile of a set of Acinetobacter baumannii hospital isolates. A. baumannii is responsible for nosocomial outbreaks and sporadic infections. We extracted and PCR amplified bacterial DNA isolated from patients with ages below 60 years (23.36%) and above 60 years (76.64%). Most of the patients were admitted in the ICU (36.13%) and pneumology departments (28.47%). Of 164 isolated strains, 16 (9.75%) contained OXA-51, 8 (4.88%) contained OXA-58, and 140 (85.37%) contained both OXA-51 and OXA-23.

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