mymedschoolNov 9

Learn key urease-positive organisms and their role in infection and diagnosis. #UreasePositive #Microbiology #Proteus #Klebsiella #HelicobacterPylori #StaphylococcusSaprophyticus #Ureaplasma #Nocardia #Cryptococcus #USMLE #MedicalEducation #ClinicalMicrobiology #BacterialMetabolism

https://mymedschool.org/portfolio/u01-03-008-urease-positive-organisms/?utm_source=mastodon&utm_medium=jetpack_social

Urease-Positive Organisms — Mechanism, Examples, and Diagnostic Importance

Discover the role of urease-positive organisms in disease pathogenesis and diagnosis. Learn how bacteria like Proteus, Klebsiella, H. pylori, and Staphylococcus saprophyticus use urease to survive hostile environments and cause infections.

mymedschool.org
mymedschoolNov 8

Understand catalase-positive organisms and their role in infections, especially in chronic granulomatous disease. #CatalasePositive #Microbiology #CGD #Immunology #Staphylococcus #Pseudomonas #Serratia #Nocardia #Aspergillus #USMLE #MedicalEducation #Pathogenesis #OxidativeBurst

https://mymedschool.org/portfolio/u01-03-008-catalase-positive-organisms/?utm_source=mastodon&utm_medium=jetpack_social

Chronic Granulomatous Disease (CGD) Pathophysiology: Catalase-Positive Infections Explained

Master the key features of chronic granulomatous disease (CGD) with this interactive drag-and-drop exercise. Learn why NADPH oxidase defects increase susceptibility to catalase-positive bacteria like Staphylococcus aureus and not Streptococcus. Ideal for USMLE Step 1 prep and clinical understanding.

mymedschool.org
Fco Javier Casas CiriaJul 9, 2025
Sputum culture from a patient with bronchiectasis. #Nocardia is identified.
StructBiolCommunicationsJan 18, 2024
Sequence and structural analysis of NCY-1 demonstrate that it is a class A1 β-lactamase and show its very high conservation with those from other human-pathogenic Nocardia. @umontpellier #Nocardia #ClassABetaLactamases #BetaLactamResistance https://doi.org/10.1107/S2053230X23010671
Biochemical and structural characterization of a class A β-lactamase from Nocardia cyriacigeorgica

The crystal structure of a class A β-lactamase from a clinical strain of Nocardia cyriacigeorgica is reported at high resolution.

Acta Crystallographica Section F