Matches in SemOpenAlex for { <https://semopenalex.org/work/W4284886760> ?p ?o ?g. }
- W4284886760 abstract "Candida Als family adhesins mediate adhesion to biological and abiotic substrates, as well as fungal cell aggregation, fungal-bacterial co-aggregation and biofilm formation. The activity of at least two family members, Als5 and Als1, is dependent on amyloid-like protein aggregation that is initiated by shear force. Each Als adhesin has a ∼300-residue N-terminal Ig-like/invasin region. The following 108-residue, low complexity, threonine-rich (T) domain unfolds under shear force to expose a critical amyloid-forming segment 322SNGIVIVATTRTV334 at the interface between the Ig-like/invasin domain 2 and the T domain of Candida albicans Als5. Amyloid prediction programs identified six potential amyloidogenic sequences in the Ig-like/invasin region and three others in the T domain of C. albicans Als5. Peptides derived from four of these sequences formed fibrils that bound thioflavin T, the amyloid indicator dye, and three of these revealed atomic-resolution structures of cross-β spines. These are the first atomic-level structures for fungal adhesins. One of these segments, from the T domain, revealed kinked β-sheets, similarly to LARKS (Low-complexity, Amyloid-like, Reversible, Kinked segments) found in human functional amyloids. Based on the cross-β structures in Als proteins, we use evolutionary arguments to identify functional amyloidogenic sequences in other fungal adhesins, including adhesins from Candida auris. Thus, cross-β structures are often involved in fungal pathogenesis and potentially in antifungal therapy." @default.
- W4284886760 created "2022-07-09" @default.
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- W4284886760 date "2022-07-06" @default.
- W4284886760 modified "2023-10-18" @default.
- W4284886760 title "Structure and Conservation of Amyloid Spines From the Candida albicans Als5 Adhesin" @default.
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- W4284886760 doi "https://doi.org/10.3389/fmolb.2022.926959" @default.
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