Synthetic glycans reveal determinants of antibody functional efficacy against a fungal pathogen

CJ Crawford, L Guazzelli, SA McConnell… - ACS Infectious …, 2023 - ACS Publications
Antibodies play a vital role in the immune response to infectious diseases and can be
administered passively to protect patients. In the case of Cryptococcus neoformans, a WHO …

A synthetic glycan array containing Cryptococcus neoformans glucuronoxylomannan capsular polysaccharide fragments allows the mapping of protective epitopes

L Guazzelli, CJ Crawford, R Ulc, A Bowen… - Chemical …, 2020 - pubs.rsc.org
A convergent synthetic strategy to Cryptococcus neoformans glucuronoxylomannan (GXM)
capsular polysaccharide part structures was developed based on di-, tri-, tetra-, penta-and …

A glycan FRET assay for detection and characterization of catalytic antibodies to the Cryptococcus neoformans capsule

CJ Crawford, MP Wear, DFQ Smith… - Proceedings of the …, 2021 - National Acad Sciences
Classic antibody functions include opsonization, complement activation, and enhancement
of cellular antimicrobial function. Antibodies can also have catalytic activity, although the …

Variation in cell surface hydrophobicity among Cryptococcus neoformans strains influences interactions with amoebas

R Vij, C Danchik, C Crawford, Q Dragotakes… - MSphere, 2020 - Am Soc Microbiol
Cryptococcus neoformans and Cryptococcus gattii are pathogenic fungi that cause
significant morbidity and mortality. Cell surface hydrophobicity (CSH) is a biophysical …

Cryptococcus neoformans capsule regrowth experiments reveal dynamics of enlargement and architecture

MP Wear, E Jacobs, S Wang, SA McConnell… - Journal of Biological …, 2022 - ASBMB
The polysaccharide capsule of fungal pathogen Cryptococcus neoformans is a critical
virulence factor that has historically evaded complete characterization. Cryptococcal …

In vivo assessment of differences in fungal cell density in cerebral cryptococcomas of mice infected with Cryptococcus neoformans or Cryptococcus gattii

L Vanherp, J Poelmans, K Govaerts, A Hillen… - Microbes and …, 2023 - Elsevier
In cerebral cryptococcomas caused by Cryptococcus neoformans or Cryptococcus gattii, the
density of fungal cells within lesions can contribute to the overall brain fungal burden. In …

[HTML][HTML] Convergent total synthesis of Cryptococcus neoformans serotype B capsule repeating motif

CJ Crawford, S Oscarson - Carbohydrate Research, 2020 - Elsevier
Cryptococcus neoformans is an opportunistic fungal pathogen, which is a frequent cause of
a life-threatening meningitis in immunocompromised individuals. We report the first total …

[HTML][HTML] Lyophilization induces physicochemical alterations in cryptococcal exopolysaccharide

MP Wear, AA Hargett, JE Kelly, SA McConnell… - Carbohydrate …, 2022 - Elsevier
Microbial polysaccharide characterization requires purification that often involves detergent
precipitation and lyophilization. Here we examined physicochemical changes following …

Natural compounds from freshwater mussels disrupt fungal virulence determinants and influence fluconazole susceptibility in the presence of macrophages in …

D Gutierrez-Gongora, M Woods, RS Prosser… - Microbiology …, 2024 - Am Soc Microbiol
Cryptococcus neoformans is a human fungal pathogen responsible for fatal infections,
especially in patients with a depressed immune system. Overexposure to antifungal drugs …

Phenotypic characterization of HAM1, a novel mating regulator of the fungal pathogen Cryptococcus neoformans

E Arsenault Yee, RL Ross… - Microbiology …, 2024 - Am Soc Microbiol
Cryptococcus neoformans is a fungal pathogen responsible for> 200,000 yearly cases with
a mortality as high as 81%. This burden results, in part, from an incomplete understanding of …