Capnophilic Enterobacteriaceae.

Bacteria use bicarbonate as substrate for crucial metabolic reactions. We report the first case of bacteremia by capnophilic E. coli without the YadF gene (also known as CynT2 or Can2) that needs high concentrations of CO to non-enzymatically produce bicarbonate.

[Cerebral phaeohyphomycosis: description of a case and review of the literature].

Cerebral phaeohyphomycosis is a rare invasive fungal infection with very few cases referenced in the literature. There is no standardized treatment, and it is associated with poor outcomes. Cladophialophora bantiana, a fungus with special tropism for the central nervous system, is one of the causal agents of phaeohyphomycosis.