Cryptococcus neoformans melanization incorporates multiple catecholamines to produce polytypic melanin

RP Baker, C Chrissian, RE Stark… - Journal of Biological …, 2022 - ASBMB
… of tissue and that melanin pigment synthesized in vivo is … as a polymerization precursor is
capable of producing melanin … display reduced virulence in mice and decreased melanization …

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 …

… Enhances Cryptococcus neoformans Melanization, Antifungal Resistance, and Pathogenesis in a Murine Model of Drug Administration and Systemic Infection

VH Erives, ME Munzen, D Zamith-Miranda… - Infection and …, 2022 - Am Soc Microbiol
… METH-treated mice infected with … neoformans melanin is synthesized by a single
copper-dependent laccase enzyme encoded by the LAC1 gene through the oxidative polymerization

Reciprocal modulation of ammonia and melanin production has implications for cryptococcal virulence

RP Baker, A Casadevall - Nature communications, 2023 - nature.com
… The fungus Cryptococcus neoformans is the causative agent … neoformans or merely increased
auto-polymerization of … Briefly, 25 µL of each EV preparation was allowed to react at 37 C

Environmental Factors That Contribute to the Maintenance of Cryptococcus neoformans Pathogenesis

M Maliehe, MA Ntoi, S Lahiri, OS Folorunso… - Microorganisms, 2020 - mdpi.com
… The results of an investigation showing that mice deficient in neutrophil serine proteases, …
groups in the melanin polymer [161]. In addition to its role in melanin synthesis, studies have …

[HTML][HTML] 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
biosynthesis pathway is involved in melanization in C. … We next infected male and female
BALB/c mice with H99S to … neoformans culture we determined if the amount of melanin

Solid-state NMR spectroscopy identifies three classes of lipids in Cryptococcus neoformans melanized cell walls and whole fungal cells

C Chrissian, E Camacho, JE Kelly, H Wang… - Journal of Biological …, 2020 - ASBMB
neoformans is the production of melanin pigments, which are … via the oxidation and
polymerization of particular aromatic … neoformans for exogenous substrates to synthesize melanin

[PDF][PDF] The Role of Melanin in Fungal Disease

RJB Cordero - Melanins: Functions, biotechnological production, and … - researchgate.net
… of fungal biosynthesis for the three most prevalent melanin … by the oxidation and subsequent
polymerization of HGA, an … Meanwhile, infections with Cryptococcus neoformans or C. …

Cryptococcus neoformans chitin synthase 3 plays a critical role in dampening host inflammatory responses

CR Hole, WC Lam, R Upadhya, JK Lodge - MBio, 2020 - Am Soc Microbiol
… , as mice inoculated with a heat-killed preparation of the chs3Δ strain died at the same rate as
mice inoculated … Chitin is polymerized from cytoplasmic pools of UDP-GlcNAc by a multiple …

The C. Neoformans Cell Wall: A Scaffold for Virulence

C Chrissian - 2020 - search.proquest.com
… all animal kingdoms and is also the type of melanin synthesized by C. … -DHN, which is
subsequently polymerized to become DHN melanin, the sole end … neoformans in infected rodents. …