52 citations · 117 across the 7 of their papers we have counts for
8 papers
Early Mars' habitability and global cooling by H2-based methanogens
Boris Sauterey, Benjamin Charnay, Antonin Affholder +2
During the Noachian, Mars' crust may have provided a favorable environment for microbial life. The porous brine-saturated regolith would have created a physical space sheltered fro…
Coevolution of primitive methane cycling ecosystems and early Earth atmosphere and climate
Boris Sauterey, Benjamin Charnay, Antonin Affholder +2
The history of the Earth has been marked by major ecological transitions, driven by metabolic innovation, that radically reshaped the composition of the oceans and atmosphere. The…
Stochastic dynamics for adaptation and evolution of microorganisms
Sylvain Billiard, Pierre Collet, Régis Ferrière +2
We present a model for the dynamics of a population of bacteria with a continuum of traits, who compete for resources and exchange horizontally (transfer) an otherwise vertically i…
The effect of competition and horizontal trait inheritance on invasion, fixation and polymorphism
Sylvain Billiard, Pierre Collet, Régis Ferrière +2
Horizontal transfer (HT) of heritable information or `traits' (carried by genetic elements, endosymbionts, or culture) is widespread among living organisms. Yet current ecological…
Stochastic dynamics of adaptive trait and neutral marker driven by eco-evolutionary feedbacks
Sylvain Billiard, Regis Ferriere, Sylvie Méléard +1
How the neutral diversity is affected by selection and adaptation is investigated in an eco-evolutionary framework. In our model, we study a finite population in continuous time, w…
Stochastic and deterministic models for age-structured populations with genetically variable traits
Regis Ferriere, Viet Chi Tran
Understanding how stochastic and non-linear deterministic processes interact is a major challenge in population dynamics theory. After a short review, we introduce a stochastic ind…