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Prevalence and Molecular Mapping of Multidrug-resistant Mycobacterium tuberculosis in Sokoto, North-Western Nigeria

سال انتشار: 1401
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 187

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شناسه ملی سند علمی:

JR_JCMI-9-3_003

تاریخ نمایه سازی: 28 تیر 1402

چکیده مقاله Prevalence and Molecular Mapping of Multidrug-resistant Mycobacterium tuberculosis in Sokoto, North-Western Nigeria

Background: The emergence of multidrug-resistant tuberculosis tuberculosis (MDR-TB) poses a significant danger to Nigeria’s TB control efforts. Nigeria records 570 000 new TB cases each year, and it is one of the world’s greatest TB-burden countries as well as one of the top ten countries with MDR-TB. This study aimed to determine the MDR prevalence, phylogenetic analysis, and molecular mapping as well as the link between MDR prevalence and demographic data. Methods: The study comprised 100 TB patients recruited consecutively. The proportion method on Lowenstein-Jensen (LJ) medium was used for drug susceptibility testing. Conventional polymerase chain reaction (PCR) was used, and the rrs genes were amplified and sequenced. Multiple sequence alignment techniques were used to compare the PCR product sequences to reference sequences retrieved from GenBank. Results: Rifampicin (RIF) resistance was found in 29% (22.75), ethambutol resistance was found in 20% (15.75), and isoniazid (INH) resistance was found in 28% (21.75). Further, RIF and INH resistance were found in 20% (15.75) of the samples. At nucleotide position 892, four isolates (31%) contained a G-A transition, and the most prevalent mutation found in the rrs gene was S531L (80%, 12.15). The phylogenetic analysis indicated that three of the Sokoto isolates are closely linked to reference isolates from Iran, Germany, China, and Sudan in terms of geographical relatedness. Conclusions: The obtained data revealed that acquired resistance is a major factor in the establishment of MDR-TB in Sokoto, which could be owing to poor adherence to medication or poor treatment of TB patients.

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نویسندگان مقاله Prevalence and Molecular Mapping of Multidrug-resistant Mycobacterium tuberculosis in Sokoto, North-Western Nigeria

Shuaibu Abdullahi Hudu

Department of Medical Microbiology and Parasitology, Faculty of Basic Clinical Sciences, College of Health Sciences, Usmanu Danfodiyo University Sokoto, ۸۴۰۲۳۲ Sokoto State, Nigeria

Abdulgafar Olayiwola Jimoh

Department of Pharmacology and Therapeutics, Faculty of Basic Clinical Sciences, College of Health Sciences, Usmanu Danfodiyo University, Sokoto, Nigeria

Yahaya Mohammed

Department of Medical Microbiology and Parasitology, Faculty of Basic Clinical Sciences, College of Health Sciences, Usmanu Danfodiyo University Sokoto, ۸۴۰۲۳۲ Sokoto State, Nigeria