Your browser doesn't support javascript.
loading
Primary antibiotic resistance and its relationship with cagA and vacA genes in Helicobacter pylori isolates from Algerian patients
Bachir, Meryem; Allem, Rachida; Tifrit, Abedelkarim; Medjekane, Meriem; Drici, Amine El-Mokhtar; Diaf, Mustafa; Douidi, Kara Turki.
Afiliação
  • Bachir, Meryem; Hassiba Ben Bouali University of Chlef. Faculty of Natural and Life Sciences,. Department of Biology. Chlef. DZ
  • Allem, Rachida; Hassiba Ben Bouali University of Chlef. Faculty of Natural and Life Sciences,. Department of Biology. Chlef. DZ
  • Tifrit, Abedelkarim; Hassiba Ben Bouali University of Chlef. Faculty of Natural and Life Sciences,. Department of Biology. Chlef. DZ
  • Medjekane, Meriem; Hassiba Ben Bouali University of Chlef. Faculty of Natural and Life Sciences,. Department of Biology. Chlef. DZ
  • Drici, Amine El-Mokhtar; University of Djillali Liabes. Faculty of Natural and Life Sciences. Department of Biology. Sidi-Bel-Abbes. DZ
  • Diaf, Mustafa; University of Djillali Liabes. Faculty of Natural and Life Sciences. Department of Biology. Sidi-Bel-Abbes. DZ
  • Douidi, Kara Turki; University Hospital Hassani Abedelkader. Department of Gastroenterology. Sidi-Bel-Abbes. DZ
Braz. j. microbiol ; 49(3): 544-551, July-Sept. 2018. tab, graf
Artigo em Inglês | LILACS | ID: biblio-951820
Biblioteca responsável: BR1.1
ABSTRACT
Abstract The epidemiology of Helicobacter pylori resistance to antibiotics is poorly documented in Africa and especially in Algeria. The aim of our study was to determine the antibiotic resistance rates, as well as its possible relationship with VacA and CagA virulence markers of isolates from Algerian patients. One hundred and fifty one H. pylori isolate were obtained between 2012 and 2015 from 200 patients with upper abdominal pain. Antimicrobial susceptibility testing was performed for amoxicillin, clarithromycin, metronidazole, ciprofloxacin, rifampicin and tetracycline. Molecular identification of H. pylori and the detection of vacA and cagA genes were performed using specific primers. We found that H. pylori was present in 83.5% of collected biopsies, 54.9% of the samples were cagA positive, 49.67% were vacA s1m1, 18.30% were vacA s1m2 and 25.49% were vacA s2m2. Isolates were characterized by no resistance to amoxicillin (0%), tetracycline (0%), rifampicin (0%), a high rate of resistance to metronidazole (61.1%) and a lower rate of resistance to clarithromycin (22.8%) and ciprofloxacin (16.8%). No statically significant relationship was found between vagA and cagA genotypes and antibiotic resistance results (p > 0.5) except for the metronidazole, which had relation with the presence of cagA genotype (p = 0.001).
Assuntos


Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: LILACS Assunto principal: Proteínas de Bactérias / Helicobacter pylori / Infecções por Helicobacter / Farmacorresistência Bacteriana / Antibacterianos / Antígenos de Bactérias Limite: Adolescente / Adulto / Idoso / Idoso, 80 anos ou mais / Feminino / Humanos / Masculino País/Região como assunto: África Idioma: Inglês Revista: Braz. j. microbiol Assunto da revista: Microbiologia Ano de publicação: 2018 Tipo de documento: Artigo País de afiliação: Argélia Instituição/País de afiliação: Hassiba Ben Bouali University of Chlef/DZ / University Hospital Hassani Abedelkader/DZ / University of Djillali Liabes/DZ

Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: LILACS Assunto principal: Proteínas de Bactérias / Helicobacter pylori / Infecções por Helicobacter / Farmacorresistência Bacteriana / Antibacterianos / Antígenos de Bactérias Limite: Adolescente / Adulto / Idoso / Idoso, 80 anos ou mais / Feminino / Humanos / Masculino País/Região como assunto: África Idioma: Inglês Revista: Braz. j. microbiol Assunto da revista: Microbiologia Ano de publicação: 2018 Tipo de documento: Artigo País de afiliação: Argélia Instituição/País de afiliação: Hassiba Ben Bouali University of Chlef/DZ / University Hospital Hassani Abedelkader/DZ / University of Djillali Liabes/DZ
...