Diagnostic methods of mycobacterial species can lead to significant problems. This article aims at guiding through the great number of mycobacteriaceae, differentiating between atypical and tuberculous mycobacterials, answering diagnostic questions, therefore making early specific therapy possible.
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http://dx.doi.org/10.1007/s10354-003-0004-5 | DOI Listing |
Infection
January 2025
Infectious Diseases Service, Lausanne University Hospital, Lausanne, Switzerland.
Purpose: To evaluate the performance of the Duke clinical criteria of the European Society of Cardiology (ESC; 2015 and 2023 versions) and the 2023 International Society for Cardiovascular Infectious Diseases (ISCVID) in diagnosing infective endocarditis (IE) among patients with bacteraemia/candidaemia by pathogens introduced for the first time as typical microorganisms by ISCVID.
Methods: Retrospective study.
Setting: This study included adult patients with bacteraemia/candidaemia by such pathogens (coagulase negative staphylococci, Abiotrophia spp.
Infect Drug Resist
January 2025
The Institute of Medical Research, The Fifth Hospital of Shijiazhuang, Shijiazhuang, Hebei, People's Republic of China.
Latent tuberculosis infection (LTBI) is a critical stage of tuberculosis infection in which Mycobacterium tuberculosis (MTB) is dormant and does not cause active disease. Traditionally, the most commonly used clinical methods for diagnosing LTBI have been the tuberculin skin test (TST) and the interferon-gamma release assay (IGRA). Recently, however, novel skin tests, molecular biology techniques, and cytokine biomarkers have been developed.
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December 2024
Department of Infectious Diseases, University of Tsukuba Hospital, Tsukuba, JPN.
is a ubiquitous organism classified as a nontuberculous mycobacterium that rarely causes indolent skin or soft-tissue infections, especially in immunocompromised patients. Given the rarity of infection, diagnosis can be difficult because cutaneous lesions may be considered a worsening of the underlying disease or a benign condition. Here, we report a case of a rapidly progressing cutaneous infection in a patient with nephrotic syndrome.
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January 2025
Division of Infectious Diseases and Tropical Medicine, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, 110 Intavaroros Rd., Muaeng, Chiang Mai, 50200, Thailand.
Early diagnosis and appropriate treatment are essential for reducing morbidity and mortality in tuberculous meningitis (TBM). This study aimed to evaluate the diagnostic performance of the Xpert MTB/RIF assay for the diagnosis of TBM in patients with subacute lymphocytic meningitis. This cross-sectional study included 65 cerebrospinal fluid (CSF) specimens from patients at Maharaj Nakorn Chiang Mai University Hospital, Thailand, between January 2015 and March 2016.
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January 2025
Institute of Medical Microbiology, University of Zurich, Zurich, Switzerland.
The mycobacterial ABC transporter IrtAB features an ABC exporter fold, yet it imports iron-charged siderophores called mycobactins. Here, we present extensive cryo-EM analyses and DEER measurements, revealing that IrtAB alternates between an inward-facing and an outward-occluded conformation, but does not sample an outward-facing conformation. When IrtAB is locked in its outward-occluded conformation in nanodiscs, mycobactin is bound in the middle of the lipid bilayer at a membrane-facing crevice opening at the heterodimeric interface.
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