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Clinical and Mycobacterium tuberculosis strain characteristics of tuberculosis patients with diabetes mellitus in Changping District, Beijing, China.
BMC Infect Dis
January 2025
Chinese Center for Disease Control and Prevention, National Tuberculosis Reference Laboratory, No. 155 Chang Bai Road, Changping District, Beijing, 102206, People's Republic of China.
Background: Diabetes mellitus (DM) is a major risk factor for tuberculosis (TB), However, limited research exists on their clinical and strain characteristics. This study aims to investigate the correlation between these factors in TB-DM patients in Changping District. METHODS: Whole genome sequencing (WGS) and drug susceptibility tests (DST) were performed on culture-positive strains.
View Article and Find Full Text PDFEmergence of antibiotic-specific phenotypes during prolonged treatment of mice.
Antimicrob Agents Chemother
January 2025
Rocky Mountain Regional VA Medical Center, Aurora, Colorado, USA.
A major challenge in tuberculosis (TB) therapeutics is that antibiotic exposure leads to changes in the physiology of (), which may enable the pathogen to withstand treatment. While antibiotic-treated has been evaluated in experiments it is unclear if and how long-term treatment with diverse antibiotics with varying treatment-shortening activity (sterilizing activity) affects physiologic processes differently. Here, we used SEARCH-TB, a pathogen-targeted RNA-sequencing platform, to characterize the transcriptome in the BALB/c high-dose aerosol infection mouse model following 4 weeks of treatment with three sterilizing and three non-sterilizing antibiotics.
View Article and Find Full Text PDFIsolation and Antibiotic Resistance Rates of complex in Mycolor TK System.
Infect Dis Clin Microbiol
December 2024
Department of Medical Pharmacology, Sivas Cumhuriyet University Faculty of Medicine, Sivas, Türkiye.
Objective: Tuberculosis (TB) is a public health problem. This study aimed to determine the growth rates and drug susceptibility levels of patients with complex (MTC) growth in cultures obtained and to compare the results with the growth rates and drug susceptibility levels found in our country and other countries. It also aimed to evaluate the results of supplementing classical methods such as Lowenstein-Jensen (LJ) with liquid TK MEDIUM and to determine the relationship between the growth rates obtained with both methods.
View Article and Find Full Text PDFRevisiting the potential of natural products in antimycobacterial therapy: advances in drug discovery and semisynthetic solutions.
Curr Opin Microbiol
December 2024
David Braley Centre for Antibiotic Discovery, M.G. DeGroote Institute for Infectious Disease Research, Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario, Canada. Electronic address:
Natural products have been pivotal in treating mycobacterial infections with early antibiotics such as streptomycin, forming the foundation of tuberculosis therapy. However, the emergence of multidrug-resistant and extensively drug-resistant Mycobacterium species has intensified the need for novel antimycobacterial agents. In this review, we revisit the historical contributions of natural products to antimycobacterial drug discovery and highlight recent advances in the field.
View Article and Find Full Text PDFEvaluation of susceptibility to pyrazinamide and streptomycin, isoniazid, rifampin and ethambutol of Mycobacterium caprae strains isolated from European bison (Bison bonasus caucasicus) in the Bieszczady Mountains (Southern Poland).
Pol J Vet Sci
September 2024
Department of Food Hygiene and Public Health Protection, Institute of Veterinary Medicine, Warsaw University of Life Sciences (SGGW), Nowoursynowska 159, 02-776 Warsaw, Poland.
The material for drug resistance testing was 28 strains of Mycobacterium caprae isolated from tissue collected post mortem from a free-living Bieszczady Mountain European bison (Bison bonasus caucasicus) herd. All drug susceptibility tests were carried out on an automated Bactec mycobacterial growth indicator tube (MGIT) 960 system, using Bactec MGIT 960 streptomycin, isoniazid, rifampin and ethambutol (S.I.
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