ArticlePorcine health management2025
Virulence characteristics and antibiotic resistance analysis of Klebsiella pneumoniae isolated from pig farms in Xinjiang, China: revealing potential zoonotic risks.
Article in Porcine health management, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Associations of Biofilm Capacity with Antimicrobial Resistance and Virulence Genes inAntibiotics (Basel, Switzerland) · 2026Article
- Pilot Room-Level Acoustic and Physiological Monitoring of Respiratory Disturbance in Pigs Following ExperimentalVeterinary sciences · 2026Article
- Study on drug resistance, biofilm formation, phylogenetic and virulence gene analysis of Escherichia coli from diarrheic lambs.BMC veterinary research · 2026Article
- Multidimensional characterization of a novel porcine Klebsiella pneumoniae phage Pkp-1.BMC microbiology · 2026Article
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6 authors.
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Abstract
backgroundThis study aimed to analyze the antimicrobial resistance and pathogenicity of Klebsiella pneumoniae(K. pneumoniae) isolates from pigs, evaluate their potential threat to pig farming and public health, and provide a theoretical basis for controlling K. pneumoniae infections in pig farms.
methodsNasal swabs collected from pigs were subjected to bacterial isolation, biochemical identification, species-specific PCR, and 16S rRNA sequencing to identify K. pneumoniae. Serotyping and multilocus sequence typing (MLST) were conducted using the wzi and MLST methods, respectively. Biofilm formation was assessed using crystal violet staining. Antimicrobial susceptibility was evaluated via the Kirby-Bauer disk diffusion method, and resistance and virulence genes were identified using PCR. Pathogenicity was determined through string testing and mouse infection models.
results21 strains of K. pneumoniae were isolated and identified from 50 swabs of pig nasal cavities. The isolates were classified into serotypes wzi 19 and wzi 81 and sequence types ST37 and ST967. Ten isolates exhibited strong biofilm-forming ability, while 11 showed moderate biofilm production. Antimicrobial susceptibility testing revealed resistance to β-lactams, aminoglycosides, quinolones, tetracyclines, sulfonamides, aminoalcohols, and glycopeptides, with sensitivity restricted to imipenem and polymyxins. Ten resistance genes and eight virulence genes were detected. Pathogenicity testing in mice revealed a moderate virulence level, with a median lethal dose (LD
conclusionThese findings highlight a potential risk to pig farming and public health, emphasizing the need for effective control measures against K. pneumoniae infections in pig farms.
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