output
20102026
most citedDirect-coupling analysis of residue co-evolution captures native contacts across many protein families

1.6k citations

106 papers

cond-mat.soft2026

Speed-quality tradeoff in a physical model of molecular sorting

Elisa Floris, Damiano Andreghetti, Thibaut Caplet +2

Eukaryotic cells rely on membrane-mediated processes to compartmentalize biomolecules, counteracting diffusion-driven homogenization. These processes involve the selective sorting…

physics.bio-ph2025

Enzyme-driven phase separation

Damiano Andreghetti, Alfredo Braunstein, Luca Dall'Asta +1

The formation of polarized signaling domains on cell membranes is a fundamental example of biological pattern formation. While such patterns resemble structures from equilibrium ph…

cond-mat.dis-nn2025★ 2 cited

Evidence of Replica Symmetry Breaking under the Nishimori conditions in epidemic inference on graphs

Alfredo Braunstein, Louise Budzynski, Matteo Mariani +1

In Bayesian inference, computing the posterior distribution from the data is typically a non-trivial problem, which usually requires approximations such as mean-field approaches or…

cond-mat.stat-mech2024

Nonequilibrium steady-state dynamics of Markov processes on graphs

Stefano Crotti, Thomas Barthel, Alfredo Braunstein

We propose an analytic approach for the steady-state dynamics of Markov processes on locally tree-like graphs. It is based on time-translation invariant probability distributions f…

cond-mat.stat-mech2024★ 7 cited

Metabolic coordination and phase transitions in spatially distributed multi-cellular systems

Krishnadev Narayanankutty, José Antonio Pereiro-Morejon, Arián Ferrero-Fernández +7

During overflow metabolism, cells excrete glycolytic byproducts when growing under aerobic conditions in a seemingly wasteful fashion. While potentially advantageous for microbes w…

q-bio.PE2023★ 5 cited

Effectiveness of probabilistic contact tracing in epidemic containment: the role of super-spreaders and transmission path reconstruction

A. P. Muntoni, F. Mazza, A. Braunstein +2

The recent COVID-19 pandemic underscores the significance of early-stage non-pharmacological intervention strategies. The widespread use of masks and the systematic implementation…

q-bio.QM2023

DCAlign v1.0: Aligning biological sequences using co-evolution models and informed priors

Anna Paola Muntoni, Andrea Pagnani

DCAlign is a new alignment method able to cope with the conservation and the co-evolution signals that characterize the columns of multiple sequence alignments of homologous sequen…

cond-mat.dis-nn2023★ 3 cited

Small-Coupling Dynamic Cavity: a Bayesian mean-field framework for epidemic inference

Alfredo Braunstein, Giovanni Catania, Luca Dall'Asta +3

We present the Small-Coupling Dynamic Cavity (SCDC) method, a novel generalized mean-field approximation for epidemic inference and risk assessment within a fully Bayesian framewor…

physics.soc-ph2023★ 5 cited

Statistical Mechanics of Inference in Epidemic Spreading

Alfredo Braunstein, Louise Budzynski, Matteo Mariani

We investigate the information-theoretical limits of inference tasks in epidemic spreading on graphs in the thermodynamic limit. The typical inference tasks consist in computing ob…

cond-mat.stat-mech2023★ 9 cited

Matrix Product Belief Propagation for reweighted stochastic dynamics over graphs

Stefano Crotti, Alfredo Braunstein

Stochastic processes on graphs can describe a great variety of phenomena ranging from neural activity to epidemic spreading. While many existing methods can accurately describe typ…

cs.DS2023★ 42 cited

A Survey on the Densest Subgraph Problem and Its Variants

Tommaso Lanciano, Atsushi Miyauchi, Adriano Fazzone +1

The Densest Subgraph Problem requires to find, in a given graph, a subset of vertices whose induced subgraph maximizes a measure of density. The problem has received a great deal o…

cond-mat.soft2023★ 2 cited

Sorting of multiple molecular species on cell membranes

A. Piras, E. Floris, L. Dall'Asta +1

Eukaryotic cells maintain their inner order by a hectic process of distillation of molecular factors taking place on the surface of their lipid membranes. To understand the propert…

physics.bio-ph2022★ 5 cited

Optimal metabolic strategies for microbial growth in stationary random environments

Anna Paola Muntoni, Andrea De Martino

In order to grow in any given environment, bacteria need to collect information about the medium composition and implement suitable growth strategies by adjusting their regulatory…

physics.data-an2022★ 6 cited

Inference in conditioned dynamics through causality restoration

Alfredo Braunstein, Giovanni Catania, Luca Dall'Asta +2

Computing observables from conditioned dynamics is typically computationally hard, because, although obtaining independent samples efficiently from the unconditioned dynamics is us…

q-bio.QM2022

Small Coupling Expansion for Multiple Sequence Alignment

Louise Budzynski, Andrea Pagnani

The alignment of biological sequences such as DNA, RNA, and proteins, is one of the basic tools that allow to detect evolutionary patterns, as well as functional/structural charact…

cond-mat.dis-nn2022

The closest vector problem and the zero-temperature p-spin landscape for lossy compression

Alfredo Braunstein, Louise Budzynski, Stefano Crotti +1

We consider a high-dimensional random constrained optimization problem in which a set of binary variables is subjected to a linear system of equations. The cost function is a simpl…

q-bio.QM2021

adabmDCA: Adaptive Boltzmann machine learning for biological sequences

Anna Paola Muntoni, Andrea Pagnani, Martin Weigt +1

Boltzmann machines are energy-based models that have been shown to provide an accurate statistical description of domains of evolutionary-related protein and RNA families. They are…

q-bio.PE2021★ 7 cited

Path-integral solution of MacArthur's resource-competition model for large ecosystems with random species-resources couplings

A. R. Batista-Tomas, Andrea De Martino, Roberto Mulet

We solve MacArthur's resource-competition model with random species-resource couplings in the `thermodynamic' limit of infinitely many species and resources using dynamical path-in…

q-bio.MN2021★ 12 cited

Relationship between fitness and heterogeneity in exponentially growing microbial populations

Anna Paola Muntoni, Alfredo Braunstein, Andrea Pagnani +2

Despite major environmental and genetic differences, microbial metabolic networks are known to generate consistent physiological outcomes across vastly different organisms. This re…

q-bio.BM2021★ 110 cited

Efficient generative modeling of protein sequences using simple autoregressive models

Jeanne Trinquier, Guido Uguzzoni, Andrea Pagnani +2

Generative models emerge as promising candidates for novel sequence-data driven approaches to protein design, and for the extraction of structural and functional information about…

q-bio.BM2020★ 30 cited

Sparse generative modeling via parameter-reduction of Boltzmann machines: application to protein-sequence families

Pierre Barrat-Charlaix, Anna Paola Muntoni, Kai Shimagaki +2

Boltzmann machines (BM) are widely used as generative models. For example, pairwise Potts models (PM), which are instances of the BM class, provide accurate statistical models of f…

cond-mat.stat-mech2020★ 4 cited

A Density Consistency approach to the inverse Ising problem

Alfredo Braunstein, Giovanni Catania, Luca Dall'Asta +1

We propose a novel approach to the inverse Ising problem which employs the recently introduced Density Consistency approximation (DC) to determine the model parameters (couplings a…

q-bio.PE2020★ 31 cited

Epidemic mitigation by statistical inference from contact tracing data

Antoine Baker, Indaco Biazzo, Alfredo Braunstein +10

Contact-tracing is an essential tool in order to mitigate the impact of pandemic such as the COVID-19. In order to achieve efficient and scalable contact-tracing in real time, digi…

stat.ML2020

Expectation propagation on the diluted Bayesian classifier

Alfredo Braunstein, Thomas Gueudré, Andrea Pagnani +1

Efficient feature selection from high-dimensional datasets is a very important challenge in many data-driven fields of science and engineering. We introduce a statistical mechanics…