Xavier, JC. Early Metabolism and the Origin of Cells. 2023. Origins Center 2023 Conference, Groningen, The Netherlands.
Xavier, JC. The origins of cells: connecting molecules and disciplines. 2023. Centre for Ecological and Evolutionary Synthesis, Oslo, Norway.
Xavier, JC. Earth’s first bioreactors: the origin of life meets bioengineering. What is Life Lecture. 2023. Karolinska Institute, Stockholm, Sweden.
Xavier, JC. Earth’s First Bioreactors: The Origin of Cells Meets Bioengineering. Keynote speaker. Chemobrionics COST Action, 2022. University of Pisa, Italy.
Xavier, JC. Environments for the emergence of life: The special case of hydrothermal vents. Special 45min review talk. Towards Molecular Complexity: At the crossroads between astrophysics and biochemistry, 2022. Max-Planck Institute for Astronomy, Heidelberg, DE.
Xavier, JC. Origin and early evolution of metabolic networks. Astrobiology and Planetary Exploration (APEX) Meeting Series, 2022 (online to UCL, UK).
Xavier, JC. Origin and early evolution of metabolic networks. German Aerospace Center, Aerospace Microbiology Research Group, 2021 (online to Köln, Germany).
Xavier, JC. Universally-essential biomolecules and collective autocatalysis: the emergence of metabolism. Physics of Emergent Behaviour III, Imperial College London, 2021 (online to London, UK).
Xavier, JC. Metabolic networks and the origin of life. Complexity Webinar Series, CoMuNe Lab, 2021 (online to Rome, Italy).
Xavier, JC. Autocatalytic Networks at the Origin of Metabolism. Heidelberg Initiative for the Origins of Life (HIFOL) Colloquium Series, 2021 (online to Heidelberg, Germany).
Xavier, JC. Flux, autocatalysis and self-organization: modelling fundamental cellular properties with applications in biotechnology and the origin of life. GEE Special Seminar @UCL, 2021 (online to London, UK).
Xavier, JC. Reflections on the origin of cells by a biologists’ advocate. Origins of life: The possible and the actual – SFI Working Group, 2021 (online to Santa Fe, U.S.A.)
Xavier, JC. Small molecules driving autocatalysis in prokaryotic metabolism. Small Organic Molecules: Chemical Space, Reactions, Catalysis and Autocatalysis, 2020 (online to Oxford, UK).
Xavier, JC. Earth’s first bioreactors: from bioengineering to the origin of life. 11th Symposium on Bioengineering, 2020 (online to Porto, Portugal).
Xavier, JC. Autocatalytic networks in ancient bacterial and archaeal metabolism. Thirty Years of Complex Thinking: A Celebration of Stuart Kauffman’s Contributions to the Field of Complex Systems, 2019. Santa Fe, U.S.A.
Xavier, JC. From bioengineering to systems biology and back: an insider’s perspective. 5th Symposium on Bioengineering, 2013. Porto, Portugal.
Xavier JC. Autocatalytic networks at the origin of metabolism. Oral presentation. II Interdisciplinary Origin of Life Meeting for Early-career researchers, 2020 (online to Glasgow, UK).
Xavier JC. Autocatalytic networks in ancient bacterial and archaeal metabolism. Oral presentation. 30/80 meeting: Alkaline vents 30th/Mike Russell’s 80th, 2019. Granada, Spain.
Xavier JC. Autocatalysis in global metabolism and ancient life. Oral presentation. I Interdisciplinary Origin of Life Meeting for Early-career researchers, 2018. Düsseldorf, Germany.
Xavier JC, Preiner M, Martin WF. CO-dependent CO2 fixation: unique, ancient and ancestral in biochemistry. Poster presentation. SMBE Conference, 2018 . Tokyo, Japan.
Xavier JC, Liu F, Ramalho F, Rocha I. Standardization, completion and new predictions of 121 manually curated genome-scale prokaryotic models. Poster presentation. XI Copenhagen Biosciences Conference, Data-driven Biotechnology, Novo Nordisk Foundation, 2017. Hillerød, Denmark.
Xavier JC, Patil KR, Rocha I. Universally essential cofactors in prokaryotes. Oral presentation. IV Constraint-Based Reconstruction and Analysis Conference, 2015. Heidelberg, Germany.
Xavier JC, Patil KR, Rocha I. Integration of biomass functions of genome-scale metabolic models with experimental data reveals universally essential cofactors in prokaryotes. Poster presentation. Metabolic Pathways Analysis Conference, Biochemical Society, 2015. Braga, Portugal.
Xavier JC, Patil KR, Rocha I. Standardization and comparison of the biomass objective functions of manually curated genome-scale metabolic models. Poster presentation. III Constraint-Based Reconstruction and Analysis (COBRA) Conference, 2014. Virginia, U.S.A.
Xavier JC, Patil KR, Rocha I. Systematic comparison of essential reactions in manually curated genome scale metabolic models. Poster presentation. III Copenhagen Biosciences Conferences, Cell Factories and Biosustainability, Novo Nordisk Foundation, 2013. Hillerød, Denmark.
Xavier JC, Patil KR, Rocha I. Analysis of minimal metabolic networks through whole-cell in silico modelling of prokaryotes. Poster presentation. XI Jornadas de Bioinformatica, 2012. Barcelona, Spain.