Persistent and Severe Mpox Keratitis Despite Systemic and Topical Treatment.

Purpose: The purpose of this study was to report a case of peripheral ulcerative keratitis in a patient diagnosed with corneal polymerase chain reaction (PCR) and a positive mpox culture.

Methods: This is a case report.

Results: An immunocompetent 54-year-old man was diagnosed with conjunctivitis in his left eye 15 days after being diagnosed with mucocutaneous monkeypox.

Digestive exophagy of biofilms by intestinal amoeba and its impact on stress tolerance and cytotoxicity.

The human protozoan parasite Entamoeba histolytica is responsible for amebiasis, a disease endemic to developing countries. E. histolytica trophozoites colonize the large intestine, primarily feeding on bacteria.

Molecular characterization of the N-terminal half of TasA during amyloid-like assembly and its contribution to Bacillus subtilis biofilm formation.

Biofilms are bacterial communities that result from a cell differentiation process leading to the secretion of an extracellular matrix (ECM) by part of the population. In Bacillus subtilis, the main protein component of the ECM is TasA, which forms a fiber-based scaffold that confers structure to the ECM. The N-terminal half of TasA is strongly conserved among Bacillus species and contains a protein domain, the rigid core (RcTasA), which is critical for the structural and functional properties of the recombinant protein.