Pathogenic roles for fungal melanins

ES Jacobson - Clinical microbiology reviews, 2000 - Am Soc Microbiol
… properties of melanin, beginning with biosynthesis from ortho… to quinones, polymerize
spontaneously to melanin. It follows … holds that in Cryptococcus neoformans, an important function …

Microstructure of Cell Wall-Associated Melanin in the Human Pathogenic Fungus Cryptococcus neoformans

HC Eisenman, JD Nosanchuk, JBW Webber… - Biochemistry, 2005 - ACS Publications
… After 21 days, infected mice were sacrificed and melanin ghosts were isolated from infected
neoformans can synthesize melanin from a variety of substrates, we evaluated the porosity …

Fungal melanin and the mammalian immune system

S Liu, S Youngchim, D Zamith-Miranda, JD Nosanchuk - Journal of Fungi, 2021 - mdpi.com
… We will particularly focus on Cryptococcus neoformans and … oxidized and polymerized to
produce DOPA melanin [8]. … Melanin synthesis needs to occur in a contained environment …

Vesicle-associated melanization in Cryptococcus neoformans

HC Eisenman, S Frases, AM Nicola… - …, 2009 - microbiologyresearch.org
… due to the proximity of lipid membranes to the site of melanin polymerization. Purified …
Based on these data we propose a model for melanization in which melanin synthesis occurs in …

Synthesis of Melanin-Like Pigments by Sporothrix schenckii In Vitro and during Mammalian Infection

R Morris-Jones, S Youngchim, BL Gomez… - Infection and …, 2003 - Am Soc Microbiol
… and are formed by the oxidative polymerization of phenolic and/or … In the human fungal
pathogen Cryptococcus neoformans melanin is … Briefly, adult female BALB/c mice received five …

The role of melanin in fungal pathogenesis for animal hosts

DFQ Smith, A Casadevall - Fungal physiology and immunopathogenesis, 2019 - Springer
… , DOPA-melanin through the polymerization of dihydroxyindole (… Camacho are Cryptococcus
neoformans (top left) and C. … neoformans requires exogenous precursors for the synthesis

Budding of melanized Cryptococcus neoformans in the presence or absence of l-dopa

JD Nosanchuk, A Casadevall - Microbiology, 2003 - microbiologyresearch.org
… to form a ‘shell’ of polymerized melanin over this period of time. … of de novo synthesis of
melanin and capsule by buds of C. … melanin-binding mAbs prolong survival in mice infected with …

Pathogenesis of Cryptococcus neoformans

EE McClelland, A Casadevall, HC Eisenman - New insights in medical …, 2007 - Springer
… One capsule synthesis model proposed envisions capsule biosynthesismice and show
numerous defects in melanin production, capsule formation, urease production or growth at 37 C

Melanin and virulence in Cryptococcus neoformans

A Casadevall, AL Rosas, JD Nosanchuk - Current opinion in microbiology, 2000 - Elsevier
neoformans cells synthesize melanin during infection and that this … neoformans infections
in mice elicited brisk antibody … not sufficient to conclude that polymerized melanin of the type …

Mechanisms of infection by the human fungal pathogen Cryptococcus neoformans

W Sabiiti, RC May - Future microbiology, 2012 - Future Medicine
… the rat model of cryptococcosis have demonstrated that rats … by the oxidative polymerization
of phenolic compounds [80]. … Biosynthesis of major virulence factors, melanin and capsule …