Structure, Function and Regulation of Antimicrobial and Virulent Amyloids at Hig...
Structure, Function and Regulation of Antimicrobial and Virulent Amyloids at High-resolution
Self-assembly of proteins and peptides into amyloid fibrils produced across kingdoms of life is associated with antimicrobial activity, microbial pathogenicity, and a wide range of diseases. The correlation of fibrillation and mor...
ver más
¿Tienes un proyecto y buscas un partner? Gracias a nuestro motor inteligente podemos recomendarte los mejores socios y ponerte en contacto con ellos. Te lo explicamos en este video
Proyectos interesantes
SAF2015-74267-JIN
ESTUDIO DE LA FORMACION DE FIBRAS AMILOIDES COMO ESTRUCTURA...
198K€
Cerrado
BFU2008-02595
BIOLOGIA ESTRUCTURAL DE PROTEINAS QUE FORMAN AMILOIDES, QUE...
248K€
Cerrado
PSMNano
Probing the fibrillation of Staphylococcal amyloids and thei...
161K€
Cerrado
CTQ2009-08676
INTERACCION DE PEPTIDOS AMILOIDES CON MODELOS IN VITRO DE ME...
11K€
Cerrado
RTI2018-101015-B-I00
ANALISIS ESTRUCTURAL DE PROTEINAS ESENCIALES PARA LA VIABILI...
230K€
Cerrado
BFU2012-35262
BIOLOGIA MOLECULAR DE NUCLEOS DEL LIPOPOLISACARIDO (LPS) DE...
103K€
Cerrado
Información proyecto FuncAmyloid
Duración del proyecto: 65 meses
Fecha Inicio: 2023-03-31
Fecha Fin: 2028-09-30
Descripción del proyecto
Self-assembly of proteins and peptides into amyloid fibrils produced across kingdoms of life is associated with antimicrobial activity, microbial pathogenicity, and a wide range of diseases. The correlation of fibrillation and morphology to function is poorly understood, and high-resolution structural information and mechanistic models are lacking. Our lab pioneered the atomic-level analysis of bacterial amyloids and eukaryotic functional fibrils involved in cytotoxicity, biofilm structuring, and antibacterial activity. We revealed novel morphologies extending beyond canonical amyloid cross-β structures of tightly mated β-sheets, to include, for example, cross-α fibrils composed on amphipathic α-helices. In addition, we exposed a unique lipid-induced cross-α/β secondary structure switch in fibrils of the same sequence. Here we investigate amyloid fibrils which serve as key virulence determinants in S. aureus and Pseudomonas acting as cytotoxins and in biofilm scaffolding, and as antimicrobials produced across different species. We will leverage the knowledge and expertise, and newly emerging methods in electron, light and force microscopy, to understand how fibrillation propensity, fibril morphology and structural switches are connected to function, membrane interactions and toxicity mechanisms at high resolution. The findings are expected to identify structural features that underlie the formation, regulation, and activity of these fibrils, providing advantages in specific environments. Understanding these structure-function relationships will help to clarify the link between amyloid formation and antimicrobial activity. We will use the insights gained from these studies for the rational design of antimicrobial peptides and small molecules targeting virulent determinants towards potential applications in the management of infectious diseases. Our findings on functional amyloids can overall advance life, material, medical and environmental sciences.