Evaluation of Multi-antibiotic Resistance Index (MAR) and Molecular Characterization of Pseudomonas aeruginosa Isolated in Pathological Products from Chad

Ahmat Mahamat Ahmat

Ecole Doctorale Sciences Techniques et Environnement, Université de N’Djamena, BP 1117, Tchad and Faculté des Sciences de la Santé Humaine, Université de N’Djamena, BP 1117, Tchad.

Djibrine Adoum Oumar

Ecole Doctorale Sciences Techniques et Environnement, Université de N’Djamena, BP 1117, Tchad and Faculté des Sciences Exactes et Appliquées (FSEA), Université de N’Djamena, BP 1117, Tchad.

Hissein Ousman Abdoullahi

Ecole Doctorale Sciences Techniques et Environnement, Université de N’Djamena, BP 1117, Tchad and Faculté des Sciences de la Santé Humaine, Université de N’Djamena, BP 1117, Tchad.

Cissé Hama *

Laboratoire de Biochimie et Immunologie Appliquées, Université Joseph KI-ZERBO, 03 BP 7021 Ouaga 03, Burkina Faso.

Fissou Henry Yandai

Centre Hospitalier Universitaire la Renaissance (CHU-R), N’Djamena, Tchad.

Kadidja Gamougam

Faculté des Sciences de la Santé Humaine, Université de N’Djamena, BP 1117, Tchad.

Abdelsalam Tidjani

Ecole Doctorale Sciences Techniques et Environnement, Université de N’Djamena, BP 1117, Tchad and Faculté des Sciences de la Santé Humaine, Université de N’Djamena, BP 1117, Tchad.

Savadogo Aly

Laboratoire de Biochimie et Immunologie Appliquées, Université Joseph KI-ZERBO, 03 BP 7021 Ouaga 03, Burkina Faso.

Choua Ouchemi

Ecole Doctorale Sciences Techniques et Environnement, Université de N’Djamena, BP 1117, Tchad and Faculté des Sciences de la Santé Humaine, Université de N’Djamena, BP 1117, Tchad.

*Author to whom correspondence should be addressed.


Abstract

Pseudomonas aeruginosa is a bacterium present in several ecological niches causing opportunistic infections in humans. In developing countries like Chad, this bacteria is responsible for various human pathologies. High-priority pathogens, such as Salmonella and Shigella, represent a particularly heavy burden in low- and middle-income countries, as do Pseudomonas aeruginosa and Staphylococcus aureus, which pose serious problems in health centers. The objective of this study was to evaluate the multi-antibiotic resistance index and to carry out a molecular characterization of Pseudomonas aeruginosa isolated in pathological products from Chad using by rep-PCR (GTG)5. Antibiotic resistance phenotypes were obtained by interpreting the results of our previous study on antimicrobial resistance of Pseudomonas aeruginosa isolated from human infections in N'Djamena, Chad. In this study, two phenotypes were obtained that is XDR and MDR. Thus, 24/36 of strains came from urine and 29/36 strains were MDR. The multi-antibiotic resistance (MAR) indexes varied from 0.33 to 0.86. The rep-PCR allowed good discrimination of Pseudomonas aeruginosa strains in this study. These isolates were grouped based on characteristic bands appearing in their genetic fingerprint profiles. In this study, Pseudomonas aeruginosa strains isolated from urinary tract infections and pus were classified as XDR and MDR type strains.

Keywords: Urinary tract infections, pus, Pseudomonas aeruginosa, molecular characterization, Chad


How to Cite

Ahmat, Ahmat Mahamat, Djibrine Adoum Oumar, Hissein Ousman Abdoullahi, Cissé Hama, Fissou Henry Yandai, Kadidja Gamougam, Abdelsalam Tidjani, Savadogo Aly, and Choua Ouchemi. 2024. “Evaluation of Multi-Antibiotic Resistance Index (MAR) and Molecular Characterization of Pseudomonas Aeruginosa Isolated in Pathological Products from Chad”. Microbiology Research Journal International 34 (11):17-28. https://doi.org/10.9734/mrji/2024/v34i111495.