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Distribution of Ciprofloxacin- and Azithromycin-Resistant Genes among Salmonella Typhi Isolated from Human Blood.
Dola, Nigha Zannat; Shamsuzzaman, S M; Islam, Saiful; Rahman, Asma; Mishu, Nafisa Jabin; Nabonee, Modina Ansaree.
Afiliación
  • Dola NZ; Department of Microbiology, Green Life Medical College, Dhaka, Bangladesh.
  • Shamsuzzaman SM; Department of Microbiology, Dhaka Medical College, Dhaka, Bangladesh.
  • Islam S; Department of Anaesthesia, Green Life Medical College, Dhaka, Bangladesh.
  • Rahman A; Department of Microbiology, Ad-Din Medical College, Dhaka, Bangladesh.
  • Mishu NJ; Department of Microbiology, Army Medical College, Bogura, Bangladesh.
  • Nabonee MA; Department of Microbiology, Shahabuddin Medical College, Dhaka, Bangladesh.
Int J Appl Basic Med Res ; 12(4): 254-259, 2022.
Article en En | MEDLINE | ID: mdl-36726659
Context: Salmonella Typhi has developed resistance to different groups of antibiotics. Aims: The purpose of the present study was to assess the distribution of ciprofloxacin- and azithromycin-resistant genes among Salmonella Typhi isolated from human blood. Settings and Design: This cross-sectional study was conducted in the Department of Microbiology of a tertiary care hospital in Bangladesh from July 2019-June 2020. Subjects and Methods: Clinically suspected enteric fever patients, irrespective of age and gender, who attended the laboratory of the Department of Microbiology and outpatient department of Medicine of tertiary care hospital. Blood culture and sensitivity tests were done. The positive growth of Salmonella Typhi was identified by Gram staining, colony morphology, and biochemical test. Then, Salmonella Typhi was identified by using Salmonella-specific antisera. Final identification was made by using 16s rRNA by polymerase chain reaction (PCR). PCR was also done to detect quinolone and azithromycin resistance genes. Results: A total number of 83 samples yielded positive cultures, of which 50 isolated organisms were identified as Salmonella species; however, among these isolates, Salmonella Typhi was detected in 40 (48.2%) isolates. Among 12 ciprofloxacin-resistant isolates, 8 (66.67%) were positive for the gyrA gene, 1 (8.33%) was positive for the qnrB gene and qnrS gene, 2 (16.67%) were positive for aac (6´)-Ib-cr. Among 12 azithromycin-resistant isolates, 2 (16.66%) were positive for mphA and mefA genes, respectively. Conclusion: In conclusion, the gyrA, aac (6´)-Ib-cr, mphA, and mefA genes are found for the first time in tertiary care hospitals from the quinolones and azithromycin-resistant Salmonella Typhi.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Observational_studies Idioma: En Revista: Int J Appl Basic Med Res Año: 2022 Tipo del documento: Article País de afiliación: Bangladesh Pais de publicación: India
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Observational_studies Idioma: En Revista: Int J Appl Basic Med Res Año: 2022 Tipo del documento: Article País de afiliación: Bangladesh Pais de publicación: India