Results 91 to 100 of about 17,754 (214)

A Novel Variant of CORO1A Gene Contributing to the Development of Primary Immunodeficiency in Children

open access: yesCase Reports in Immunology, Volume 2026, Issue 1, 2026.
Introduction The case report describes a novel finding of a homozygous variant in the coronin 1A (CORO1A) gene, associated with atypical severe combined immunodeficiency (SCID) in a 9‐year‐old female patient with recurrent infections and unique immunological features, including periodic T‐cell lymphocytosis and T‐ and B‐cell lymphopenia.
Alanoud Aljohani   +6 more
wiley   +1 more source

Corynebacterium diphtheria, Adhesion, Type and Biofilm Cultures

open access: yesЭпидемиология и вакцинопрофилактика, 2019
Relevance. It is now known that toxigenic strains of Corynebacterium diphtheriae are capable not only of adhesion, but also of invasion into epithelial cells of the upper respiratory tract.
G. G. Kharseeva   +4 more
doaj   +1 more source

Cell Structure of Corynebacterium diphtheriae [PDF]

open access: yesJournal of General Microbiology, 1951
SUMMARY: When examined by phase-contrast microscopy living diphtheria bacilli generally appear fairly transparent. They are sometimes unicellular but are frequently divided into compartments by readily visible cross-septa. In gravis and mitis strains the cross septa are usually few in number and the compartments long, but in intermedius strains there ...
openaire   +2 more sources

Potential Antitonsillitis Metabolites From Endophytic Bacteria Associated With Aporosa octandra var. malesiana: A Metabolomic and Molecular Docking Study

open access: yesInternational Journal of Microbiology, Volume 2026, Issue 1, 2026.
Aporosa octandra var. malesiana is a native Sumatran plant traditionally used in treating throat‐related conditions, indicating a rich reservoir of bioactive constituents. Endophytic microorganisms are known to produce metabolites similar to those found in medicinal plants.
Zulfarina   +5 more
wiley   +1 more source

Silica Nanoparticles as Multifunctional Platforms for Vaccine Delivery and Immune Modulation in Infectious Diseases

open access: yesAdvanced NanoBiomed Research, Volume 5, Issue 12, December 2025.
Overview of the use of silica nanoparticles in vaccines against pathogens. Different kinds of vaccines against infectious diseases are currently using solid or mesoporous silica nanoparticles in their formulation. Silica microparticles and nanoparticles (SiNPs) have been studied as vehicles for vaccines.
Noe Juvenal Mendoza‐Ramírez   +3 more
wiley   +1 more source

Characterization of Pilin A and Thioredoxin A Mutant Strains of Acinetobacter baumannii, From a Transposon Insertion Library, for Pili Production and Virulence‐Associated Properties

open access: yesMicrobiologyOpen, Volume 14, Issue 6, December 2025.
Acinetobacter baumannii transposon insertion mutant strains ΔpilA and ΔtrxA display marked reductions of surface pili. The PilA (a major pilin protein) and TrxA (thioredoxin A) deficient bacteria also show attenuation in pathogenesis including the reduction of intestinal bacterial attachment, increased phagocytic uptake and decreased mortality from ...
Jadelynn Aki   +11 more
wiley   +1 more source

Corynebacterium ulcerans 0102 carries the gene encoding diphtheria toxin on a prophage different from the C. diphtheriae NCTC 13129 prophage

open access: yesBMC Microbiology, 2012
Background Corynebacterium ulcerans can cause a diphtheria-like illness, especially when the bacterium is lysogenized with a tox gene-carrying bacteriophage that produces diphtheria toxin. Acquisition of toxigenicity upon phage lysogenization is a common
Sekizuka Tsuyoshi   +8 more
doaj   +1 more source

Corynebacterium ulcerans cutaneous diphtheria

open access: yesThe Lancet Infectious Diseases, 2015
We describe the case of a patient with cutaneous diphtheria caused by toxigenic Corynebacterium ulcerans who developed a right hand flexor sheath infection and symptoms of sepsis such as fever, tachycardia, and elevated C-reactive protein, after contact with domestic cats and dogs, and a fox.
Moore, LS   +5 more
openaire   +3 more sources

Image_5_Distinct Genomic Features Characterize Two Clades of Corynebacterium diphtheriae: Proposal of Corynebacterium diphtheriae Subsp. diphtheriae Subsp. nov. and Corynebacterium diphtheriae Subsp. lausannense Subsp. nov..TIFF [PDF]

open access: yes, 2018
Corynebacterium diphtheriae is the etiological agent of diphtheria, a disease caused by the presence of the diphtheria toxin. However, an increasing number of records report non-toxigenic C. diphtheriae infections. Here, a C.
Angela Koutsokera (288854)   +6 more
core   +1 more source

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