Genetic Factors and Genotype-Environment Interactions Contribute to Variation in Melanin Production in the Fungal Pathogen Cryptococcus neoformans

H Samarasinghe, D Aceituno-Caicedo, M Cogliati… - Scientific reports, 2018 - nature.com
Cryptococcosis is a common opportunistic fungal infection that often disseminates into the
central nervous system, leading to meningitis. Production of melanin pigments during …

Unraveling melanin biosynthesis and signaling networks in Cryptococcus neoformans

D Lee, EH Jang, M Lee, SW Kim, Y Lee, KT Lee… - MBio, 2019 - Am Soc Microbiol
Melanin is an antioxidant polyphenol pigment required for the pathogenicity of many fungal
pathogens, but comprehensive regulatory mechanisms remain unidentified. In this study, we …

Melanization in Cryptococcus neoformans requires complex regulation

RJB Cordero, E Camacho, A Casadevall - MBio, 2020 - Am Soc Microbiol
The fungal human pathogen Cryptococcus neoformans undergoes melanization in
response to nutrient starvation and exposure to exogenous melanin precursors …

Novel gene functions required for melanization of the human pathogen Cryptococcus neoformans

FJ Walton, A Idnurm, J Heitman - Molecular microbiology, 2005 - Wiley Online Library
The ability to produce melanin is a key virulence factor in many fungal pathogens including
the human basidiomycete pathogen Cryptococcus neoformans, a major cause of life …

Transcriptomic analysis reveals the relationship of melanization to growth and resistance to gamma radiation in Cryptococcus neoformans

Z Schultzhaus, A Chen, S Kim, I Shuryak… - Environmental …, 2019 - Wiley Online Library
The pathogenic fungus Cryptococcus neoformans produces melanin within its cell wall for
infection and resistance against external stresses such as exposure to UV, temperature …

Variation in chromosome copy number influences the virulence of Cryptococcus neoformans and occurs in isolates from AIDS patients

G Hu, J Wang, J Choi, WH Jung, I Liu, AP Litvintseva… - BMC genomics, 2011 - Springer
Background The adaptation of pathogenic fungi to the host environment via large-scale
genomic changes is a poorly characterized phenomenon. Cryptococcus neoformans is the …

Phenotypic Plasticity in the Productions of Virulence Factors Within and Among Serotypes in the Cryptococcus neoformans Species Complex

Y Iyengar, J Xu - Mycopathologia, 2022 - Springer
The Cryptococcus neoformans species complex (CNSC) is a common opportunistic human
fungal pathogen and the most frequent cause of fungal meningitis. There are three major …

Melanin deposition in two Cryptococcus species depends on cell-wall composition and flexibility

C Chrissian, E Camacho, MS Fu… - Journal of Biological …, 2020 - ASBMB
Cryptococcus neoformans and Cryptococcus gattii are two species complexes in the large
fungal genus Cryptococcus and are responsible for potentially lethal disseminated …

The Role of Testosterone and Gibberellic Acid in the Melanization of Cryptococcus neoformans

JS Tucker, TE Guess, EE McClelland - Frontiers in Microbiology, 2020 - frontiersin.org
Cryptococcus neoformans, a spore-producing pathogenic yeast, affects
immunocompromised individuals causing meningoencephalitis. Once C. neoformans is …

Faster Cryptococcus Melanization Increases Virulence in Experimental and Human Cryptococcosis

HR de Sousa, GP de Oliveira Jr, SO Frazão… - Journal of Fungi, 2022 - mdpi.com
Cryptococcus spp. are human pathogens that cause 181,000 deaths per year. In this work,
we systematically investigated the virulence attributes of Cryptococcus spp. clinical isolates …