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Rosanna
P
Baker
, MSc

Assistant Scientist

Rosanna Baker, MSc, studies the interdependent regulation of multiple virulence factors expressed by the fungal pathogen, Cryptococcus neoformans.

Contact Info

Research Interests

Cryptococcus neoformans; fungal melanin; polysaccharide capsule; urease-produced ammonia; host-pathogen interactions

Experiences & Accomplishments
Education
MSc
University of Alberta
1996
BS
Dalhousie University
1993
Select Publications
  • Baker RP, Liu AZ and Casadevall A (2024). Cell wall melanin impedes growth of the Cryptococcus neoformans polysaccharide capsule by sequestering calcium. Proc Natl Acad Sci U S A. 121(38):e2412534121
    https://pubmed.ncbi.nlm.nih.gov/39259590

    Baker RP, Schachter M, Phillips S, Kandiah S, Farrque M, Casadevall A and Kandiah PA (2024). Host and fungal factors both contribute to cryptococcosis-associated hyperammonemia (cryptammonia). Microbiol Spectr. 12(7):e0390223
    https://pubmed.ncbi.nlm.nih.gov/38842310

    Baker RP and Casadevall A (2023). Reciprocal modulation of ammonia and melanin production has implications for cryptococcal virulence. Nat Commun. 14(1):849. 
    https://pubmed.ncbi.nlm.nih.gov/36792633

    Baker RP, Chrissian C, Stark RE and Casadevall A (2022). Cryptococcus neoformans melanization incorporates multiple catecholamines to produce polytypic melanin. J Biol Chem. 298(1):101519. 
    https://pubmed.ncbi.nlm.nih.gov/34942148