Resistance and Evolving Biology in Mycobacteria: Multidisciplinarity as a Contemporary Approach

A special issue of Antibiotics (ISSN 2079-6382). This special issue belongs to the section "Antibiotic Therapy in Infectious Diseases".

Deadline for manuscript submissions: 31 May 2026 | Viewed by 1660

Special Issue Editors


E-Mail Website
Guest Editor
Institute of Microbiology and Immunology, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
Interests: tuberculosis; drug resistance; evolutionary biology; molecular diagnostics

E-Mail Website
Guest Editor
Institute of Microbiology and Immunology, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
Interests: tuberculosis; drug resistance; molecular diagnostics

Special Issue Information

Dear Colleagues,

Drug resistance has widely been recognized as a major challenge to effective tuberculosis (TB) control worldwide, and Mycobacterium tuberculosis is considered the leading cause of drug-resistant airborne epidemics globally. Single-nucleotide polymorphisms (SNPs), insertions, and deletions are recognized as the key drivers of M. tuberculosis’ resistance to antituberculosis drugs. The absence of evidence for horizontal gene transfer among TB pathogens has made identifying the genetic foundations of drug resistance somewhat more straightforward; however, the evolutionary complexity of M. tuberculosis, particularly in relation to resistance development, still demands thorough investigation, with a need for attention to be given both to the bacterium itself and its interactions with humans as hosts. Presently, M. tuberculosis strains are classified into seven primary phylogenetic lineages and multiple sublineages, each of which has co-evolved with its host population, resulting in differing propensities for resistance development and, consequently, varied therapeutic outcomes. Despite this, many mutations observed in resistant strains have not yet been conclusively linked to resistance, and numerous resistant strains remain uncharacterized at the molecular genetic level. Even with the availability of potent last-line anti-TB drugs, around half of those infected still succumb to the disease.

The global rise in infections caused by non-tuberculous mycobacteria (NTM), coupled with their increasing resistance to antibiotics—especially anti-TB drugs—poses a significant public health threat. The lack of targeted treatments and the growing difficulty in discovering new antibiotics further exacerbate the challenge. Resistant NTM strains are now infecting not only immunocompromised individuals but also those previously considered healthy. This alarming trend highlights the urgent need for intensified research efforts to develop novel therapeutic strategies and effective drug combinations to combat these resilient pathogens.

In this Special Issue, we will highlight original and review articles that explore the diverse aspects of M. tuberculosis and NTM evolutionary biology in the context of resistance, emphasizing a multidisciplinary research approach. We are looking forward to receiving your papers, and are very grateful to have the opportunity to collaborate with you in this way.

Dr. Irena Arandjelovic
Prof. Dr. Dragana Vukovic
Guest Editors

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Keywords

  • tuberculosis
  • drug resistance
  • evolutionary biology
  • pathogen-host interactions

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Published Papers (1 paper)

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Research

13 pages, 3333 KB  
Article
Genomic Surveillance of 3R Genes Associated with Antibiotic Resistance in Mycobacterium tuberculosis Isolates from Kazakhstan
by Savva Timochshuk, Aldan Shamukhan, Bakhtiyar Yakupov, Dana Auganova, Ulan Zein, Aigerim Turgimbayeva, Pavel Tarlykov and Sailau Abeldenov
Antibiotics 2026, 15(1), 26; https://doi.org/10.3390/antibiotics15010026 - 30 Dec 2025
Viewed by 1061
Abstract
Background/Objectives: Multidrug-resistant tuberculosis remains a critical public health challenge in Kazakhstan, yet the genomic determinants contributing to its emergence are still insufficiently understood. Although the quantity of genomic studies from Central Asia and the wider post-Soviet region has increased in recent years, the [...] Read more.
Background/Objectives: Multidrug-resistant tuberculosis remains a critical public health challenge in Kazakhstan, yet the genomic determinants contributing to its emergence are still insufficiently understood. Although the quantity of genomic studies from Central Asia and the wider post-Soviet region has increased in recent years, the involvement of DNA repair and genome maintenance pathways in the development of resistance within Kazakhstan has not been comprehensively explored. Methods: In this study, we performed whole-genome analysis of 175 Mycobacterium tuberculosis clinical isolates collected across Kazakhstan between 2010 and 2022 to evaluate the contribution of single-nucleotide polymorphisms in DNA replication, repair, and recombination (3R) genes to the evolution of drug resistance. Results: Alongside well-established resistance mutations in gyrA, we identified recurrent variants in 3R-associated loci (genes involved in DNA replication, repair, and recombination)—including polA, uvrC and ligC—that were enriched among drug-resistant isolates, suggesting a broader role for genome maintenance pathways in facilitating resistance evolution under treatment pressure. Conclusions: These findings provide the first region-specific genomic insights into 3R gene variation in Kazakhstani M. tuberculosis isolates. Full article
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