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1.
Antibiotics (Basel) ; 13(2)2024 Feb 02.
Artigo em Inglês | MEDLINE | ID: mdl-38391535

RESUMO

This study investigated the genetic diversity, antimicrobial resistance profiles, and virulence characteristics of Acinetobacter non-baumannii isolates obtained from four hospitals in southern Thailand. Clinical data, genome information, and average nucleotide identity (ANI) were analyzed for eight isolates, revealing diverse genetic profiles and novel sequence types (STs). Minimum spanning tree analysis indicated potential clonal spread of certain STs across different geographic regions. Antimicrobial resistance genes (ARGs) were detected in all isolates, with a high prevalence of genes conferring resistance to carbapenems, highlighting the challenge of antimicrobial resistance in Acinetobacter spp. infections. Mobile genetic elements (MGEs) carrying ARGs were also identified, emphasizing the role of horizontal gene transfer in spreading resistance. Evaluation of virulence-associated genes revealed a diverse range of virulence factors, including those related to biofilm formation and antibiotic resistance. However, no direct correlation was found between virulence-associated genes in Acinetobacter spp. and specific clinical outcomes, such as infection severity or patient mortality. This complexity suggests that factors beyond gene presence may influence disease progression and outcomes. This study emphasizes the importance of continued surveillance and molecular epidemiological studies to combat the spread of multidrug-resistant (MDR) Acinetobacter non-baumannii strains. The findings provide valuable insights into the epidemiology and genetic characteristics of this bacteria in southern Thailand, with implications for infection control and antimicrobial management efforts.

2.
Microbiol Resour Announc ; 12(7): e0045523, 2023 Jul 18.
Artigo em Inglês | MEDLINE | ID: mdl-37318327

RESUMO

Clostridioides difficile is a Gram-positive, obligate anaerobic, toxin-producing bacillus that is linked to antibiotic-associated diarrhea. Here, we report the whole-genome sequence of a C. difficile strain isolated from stool from a patient, using next-generation sequencing (MGISEG-2000). De novo assembly revealed a genome length of 4,208,266 bp. Multilocus sequence typing (MLST) results showed that the isolate belonged to sequence type 23 (ST23).

3.
Microbiol Resour Announc ; 11(12): e0060522, 2022 Dec 15.
Artigo em Inglês | MEDLINE | ID: mdl-36318019

RESUMO

Enterococcus gallinarum is a rare causative agent of hospital-acquired bacteremia. Here, we reported the complete genome of E. gallinarum strain WKB01, which was directly isolated from a positive hemoculture in Siriraj Hospital, Thailand. Comprehensive analysis demonstrated the clinically relevant tetM gene presenting in its genome.

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