A. Sasaki

Extending eco-evolutionary theory with oligomorphic dynamics

This paper introduces a new theoretical framework called oligomorphic dynamics to integrate quantitative genetics and adaptive dynamics, addressing limitations in modeling eco-evolutionary processes with multimodal trait distributions and environmental feedback.

Antigenic escape accelerated by the presence of immunocompromised hosts

This study shows that immunocompromised hosts significantly accelerate antigenic evolution of SARS-CoV-2 at the population level.

The adaptation front equation explains diversification hotspots and living-fossilization

The paper introduces an equation to model innovation-driven taxonomic turnovers and explains diversification hotspots and living-fossilization through evolutionary dynamics in trait space.

Multi-morph eco-evolutionary dynamics in structured populations

The paper develops a theoretical framework to model eco-evolutionary dynamics in structured populations with multimodal trait distributions, demonstrating its application to migration-selection models.

The impact of antigenic escape on the evolution of virulence

This paper models how antigenic drift and escape influence the evolution of virulence, showing that non-equilibrium dynamics select for more virulent pathogens than classical R0 maximization.

Development of Microsatellite Markers for a Soricid Water Shrew Chimarrogale platycephalus, and the Success of Individual Identification Using It.

This study develops microsatellite markers for the endangered water shrew Chimarrogale platycephalus and validates their ability to uniquely identify individuals.

Evolutionary branching in distorted trait spaces

This study develops analytical conditions for evolutionary branching in distorted trait spaces by transforming coordinates to make mutational covariance matrices locally constant.