J.-C. Walser

Single-cell trait diversity explains niche and fitness differences in aquatic microbial communities

The paper measures single-cell trait diversity in lake microbial communities and finds it correlates with ecosystem functioning, while genetic diversity does not.

Legionella relative abundance in shower hose biofilms is associated with specific microbiome members

The paper examines the association between Legionella abundance and specific microbiome members in shower hose biofilms from a residential building.

Infection by a eukaryotic gut parasite in wild Daphnia sp. associates with a distinct bacterial community

The paper examines how infection by a eukaryotic gut parasite in wild Daphnia sp. affects their associated bacterial communities, finding changes in diversity and taxonomic composition.

Water column stability as an important factor controlling nitrite-dependent anaerobic methane oxidation in stratified lake basins

The paper investigates nitrite-dependent anaerobic methane oxidation in two lake basins, finding that stable low redox conditions are necessary for Candidatus Methylomirabilis to thrive, while fluctuating conditions hinder its growth.

Spatio-temporal patterns of multi-trophic biodiversity and food-web characteristics uncovered across a river catchment using environmental DNA

The paper characterizes biodiversity and food-web structure across a river catchment using environmental DNA, revealing distinct spatial and temporal patterns between taxonomic groups and their ecological interactions.

Epithelial GPR35 protects from Citrobacter rodentium infection by preserving goblet cells and mucosal barrier integrity

This study shows that epithelial Gpr35 maintains goblet cell function and mucosal barrier integrity, protecting against Citrobacter rodentium infection.

Specific and conserved patterns of microbiota-structuring by maize benzoxazinoids in the field

This study shows that maize secretes benzoxazinoids (BXs) that shape root and rhizosphere microbiota, with BXs significantly affecting fungal communities across different soil types.

Decision making and best practices for taxonomy-free eDNA metabarcoding in biomonitoring using Hill numbers

The paper evaluates how stringency filtering affects diversity estimates in eDNA metabarcoding using Hill numbers, identifying best practices for biodiversity assessments.

Evolved for success in novel environments: the round goby genome

The paper presents a long-read genome assembly of the round goby and identifies gene family expansions associated with its ecological success in novel environments.

Assessing different components of biodiversity across a river network using eDNA

This study compares eDNA and kicknet methods for assessing biodiversity in a river network, finding similar richness estimates but differing community composition assessments.

SPECIES-SPECIFIC ROOT MICROBIOTA DYNAMICS IN RESPONSE TO PLANT-AVAILABLE PHOSPHORUS

The paper examines how root microbiota in Arabidopsis and Petunia respond to phosphorus availability, finding species-specific microbial responses to low-P conditions.

Environmental sources of bacteria and genetic variation in behavior influence host-associated microbiota

The paper shows that genetic differences in Daphnia behavior affect the presence of environmental bacteria in their microbiome.

Genome-wide scans of selection highlight the impact of biotic and abiotic constraints in natural populations of the model grass Brachypodium distachyon.

The paper uses genome-wide scans of selection to identify biotic and abiotic factors shaping genetic diversity in Brachypodium distachyon populations.