Research

Expertise

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- Recombinant protein production (from gene to expression vector) - Protein purification techniques - Differential Scanning Fluorescence (DSF) - Microscale Thermophoresis (MST) - Isothermal Titration Calorimetry (ITC)
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- Protein crystallisation - Co-crystallization and Soaking - Crystal handling - Data collection in-house and synchrotron facilities - Structure solution, refinement & validation
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- Glycan structures - Protein glycosylation - Glycan/Glycoprotein Microarrays - Reverse-phase microarrays - Glycan isolation and characterisation
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- Host-gut bacteria interactions - Mucins - Commensal vs pathogenic bacteria - Gut bacteria: Mucin specialists vs generalists - Polysaccharide utilization loci (PUL)

Peer-Reviewed Publications

The bacterial toolkit for glycan recognition in the human gut. In Carbohydrate Chemistry – Chemical and Biological Approaches (2024) Correia VG, Costa RL, Trovão F, Candeias A & Pinheiro BA.

Full Article

Bacteroides thetaiotaomicron carbohydrate-binding module provides new insight into the recognition of complex pectic polysaccharides by the human microbiome. Journal of Structural Biology: X (2023) Trovão F, Correia VG, Lourenço FM, Ribeiro DO, Carvalho AL, Palma AS, Pinheiro BA.

Full Article

Mapping molecular recognition of β1,3-1,4-glucans by a surface glycan binding protein from the human gut symbiont Bacteroides ovatus. Microbiology Spectrum (2021) Correia VG, Trovão F, Pinheiro BA, Brás JLA, Silva LM, Nunes C, Coimbra M, Liu Y, Feizi T, Fontes CMG, Mulloy B, Chai W, Carvalho AL, Palma AS.

Full Article

Noncovalent microarrays from synthetic amino-terminating glycans: Implications in expanding glycan microarray diversity and platform comparison. Glycobiology (2021) Li C, Palma AS, Zhang P, Zhang Y, Gao C, Silva LM, Li Z, Trovão F, Weishaupt M, Seeberger PH, Likhosherstov LM, Piskarev V, Yu J, Westerlind U, Chai W.

Full Article

Structural insights into the molecular recognition mechanism of the cancer and pathogenic epitope, LacdiNAc by immune-related lectins. Chemistry Eur. J. (2021) Lima CDL, Coelho H, Gimeno A, Trovão F, Diniz A, Dias JS, Jiménez-Barbero J, Corzana F, Carvalho AL, Cabrita EJ, Marcelo F.

Full Article

A purification platform for antibodies and derived fragments using a de novo designed affinity adsorbent. Separation and Purification Technology (2021) Matos MJB, Trovão F, Gonçalves J, Rothbauer U, Freire MG, Barbosa AMJB, Pina AS, Roque, ACA.

Full Article

Molecular recognition of a Thomsen-Friedenreich antigen mimetic targeting human galectin-3. ChemMedChem (2018) Santarsia S, Grosso AS, Trovão F, Jiménez-Barbero J, Carvalho AL, Nativi C, Marcelo F.

Full Article

The crystal structure of the R280K mutant of human p53 explains the loss of DNA binding. Int. J. Mol. Sci. (2018) Trovão F, Gomes AS, Pinheiro BA, Freire F, Gomes S, Oliveira C, Domingues L., Romão MJ, Saraiva L, Carvalho AL.

Full Article

Scientific Projects & Contributions

Glyco-TAM

Cracking glycan-lectin interactions to target immunosuppressive macrophages in triple-negative breast cancer. Contributions: Identified glycan epitope diversity through reverse-phase microarrays. Implemented key protocols, including total carbohydrate quantitation and lectin enrichment.

GlycOSELECT

Targeting a ‘toolbox’ of human microbiome O-Glycan-Selective proteins towards new approaches in cancer research. Contributions: Conducted bioinformatic analysis for protein target selection. Produced a library of proteins with relevant O-glycopeptidases and their appended recognition modules. Assigned glycan specificity using glycan and glycoprotein microarrays.

GLYCOTwinning

Building Networks to Excel in Glycosciences. Contributions: Engaged in training on glycan microarray technology as a PhD student. Assisted in scientific dissemination and organized multiple events to promote the project.

CellmAbs

Developing antibody based therapies directed to Cancer-specific targets Contributions: Analyzed glycan-binding specificity of preclinical antibodies for cancer immunotherapy using glycan microarrays. Notably, BioNTech acquired one of CellmAbs´ preclinical antibody candidates and additional ADC technology.

Siamab Therapeutics

Targeting glycan specificity of tumor-specific antibodies for development of effective anti-cancer strategies. Contributions: Performed glycan-binding specificity analysis of preclinical antibodies using glycan microarrays, aiding in the development of anti-cancer strategies.

GLYCOINTERACT

Glycan-human microbiome interaction: glycan diversity and recognition in the human gut with impact on health and nutrition. Contributions: Produced target proteins and performed structural elucidation using X-ray crystallography. Characterized protein-glycan interactions through glycan microarrays and microscale thermophoresis (MST).

Protein-Carbohydrate Microbial Recognition

An integrative structural biology approach to characterise the protein-carbohydrate microbial recognition. Contributions: Optimized protein constructs using molecular biology techniques. Refined protein expression and purification conditions through thermal shift assays. Successfully crystallized and solved novel protein structures. Characterized molecular interactions using MST, isothermal titration calorimetry (ITC), and glycan microarrays.

ACTONP53

Targeting p53 family proteins: on the route to new anticancer agents. Contributions: Prepared protein crystals using various crystallization techniques. Successfully solved the 3D structure of a mutant p53 protein, contributing to the rational design of novel molecules with potential applications in cancer treatment.