P. D. Fields

Trehalose mediates salinity-stress tolerance in a crustacean

This study shows that trehalose production, mediated by the TPS gene, enables Daphnia magna to tolerate salinity stress, with tolerance linked to native habitat salinity and local adaptation.

Genome-wide allele frequency changes reveal that dynamic metapopulations evolve differently

The paper analyzes SFS dynamics in a Daphnia magna metapopulation to show how propagule model and immigration influence allele frequency shifts compared to classical populations.

Single-molecule sequencing of animal mitochondrial genomes reveals chloroplast-like architecture and repeat-mediated recombination

This study uses long-read sequencing to analyze mitochondrial genomes of two snail species, revealing chloroplast-like architecture and repeat-mediated recombination, suggesting non-maternal mitochondrial inheritance.

Genetic drift shapes the evolution of a highly dynamic metapopulation

The paper tests the propagule model in a Daphnia magna metapopulation, finding reduced genetic diversity and increased differentiation in isolated subpopulations due to genetic drift.

Population genetic analysis reveals the role of natural selection and phylogeography on genome-wide diversity in an extremely compact and reduced microsporidian genome

This study analyzes the genome-wide diversity of the microsporidian parasite O. colligata, revealing the roles of natural selection, phylogeography, and co-phylogeography in shaping its compact genome.

A genomic analysis of parasite-mediated population differentiation in a metapopulation

The paper analyzes genome-wide allele frequencies in Daphnia magna subpopulations with and without a parasite to identify genomic sites of diversifying selection and immune-related genes involved in host adaptation.

Demographic history shapes genomic variation in an intracellular parasite with a wide geographic distribution

This study examines genomic variation in the microsporidium Hamiltosporidium to understand factors shaping its population structure and demographic history across Eurasian Daphnia magna populations.

Population history and the differential consequences of inbreeding and outcrossing in a plant metapoplation

The paper examines how population history affects the relationship between inbreeding and fitness in Silene latifolia, finding that historically isolated populations show inbreeding advantages and outbreeding depression.