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C. Glabrata Mutation into Filamentous Fungi
 
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Published: 6 years ago
 

C. Glabrata Mutation into Filamentous Fungi


http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4214790/

Continuous co-incubation of C. glabrata with a murine macrophage cell line for over six months resulted in a striking alteration in fungal morphology: The growth form changed from typical spherical yeasts to pseudohyphae-like structures – a phenotype which was stable over several generations without any selective pressure.

Transmission electron microscopy and FACS analyses showed that the filamentous-like morphology was accompanied by changes in cell wall architecture. This altered growth form permitted faster escape from macrophages and increased damage of macrophages.

In addition, the evolved strain (Evo) showed transiently increased virulence in a systemic mouse infection model, which correlated with increased organ-specific fungal burden
 

 
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