E. B. Graham

Meta-metabolome ecology reveals that geochemistry and microbial functional potential are linked to organic matter development across seven rivers

The paper links geochemistry and microbial functional potential to organic matter development across seven rivers using DOM characterization, geochemical analyses, and shotgun metagenomics.

Genomic fingerprints of the world's soil ecosystems

This paper analyzes 1512 soil metagenomes to uncover genomic patterns of soil microbiomes across environmental factors and biomes, revealing shifts in microbial functions and biogeographical distributions.

A global atlas of soil viruses reveals unexplored biodiversity and potential biogeochemical impacts

The paper compiles a global soil virus dataset to assess biodiversity and biogeochemical impacts, finding most viral diversity remains unexplored and viruses may influence carbon and nutrient cycling.

One thousand soils for molecular understanding of belowground carbon cycling

This paper introduces the 1000 Soils Pilot to study belowground carbon cycling using molecular and microstructural analyses, finding that frequent wildfires reduce soil respiration and alter SOM oxidation states and soil structure.

Using Community Science to Reveal the Global Chemogeography of River Metabolomes

This study uses community science to analyze global river metabolomes, revealing differences between surface water and sediment and significant spatial variation in sediment metabolites.

Ecological theory applied to environmental metabolomes reveals compositional divergence despite conserved molecular properties

The paper applies ecological theory to environmental metabolomes, revealing compositional divergence despite conserved molecular properties through the concept of thermodynamic redundancy.

Unification of Environmental Metabolomics with Metacommunity Ecology

The paper unifies environmental metabolomics with metacommunity ecology to analyze NOM composition using ecological metrics and dendrograms.

Carbon limitation leads to thermodynamic regulation of aerobic metabolism

The paper tests OM thermodynamics as a regulator of aerobic respiration, showing it dominates under carbon limitation and shifts to nitrogen content when carbon is in excess.

Temporal dynamics of nitrogen cycle gene diversity in a hyporheic microbiome

The paper examines seasonal changes in within-gene diversity for nitrogen cycling genes in hyporheic zone communities, finding that nitrification genes show low richness while denitrification genes vary in richness and phylotype turnover.

High Genetic Potential for Proteolytic Decomposition in Northern Peatland Ecosystems

The paper assesses microbial genetic potential for organic nitrogen depolymerization in northern peatlands, finding bacterial protease genes dominate over nitrogen-fixing genes.

Untapped viral diversity in global soil metagenomes

The paper identifies 24,000 soil viral sequences and their hosts, revealing new viral diversity and roles in carbon metabolism across soil ecosystems.

Selection, succession and stabilization of soil microbial consortia

This study investigates how initial species richness affects the stability of soil microbial consortia over time in different environments.

Forfeiting the founder effect: turnover defines biofilm community succession

The paper investigates microbial community succession in a hypersaline mat, finding that turnover, not nestedness, shapes community structure and that deterministic and stochastic processes affect bacteria and eukaryotes differently.

Carbon inputs from riparian vegetation limit oxidation of physically-bound organic carbon via biochemical and thermodynamic processes

The paper investigates how riparian vegetation affects oxidation of physically-bound organic carbon through biochemical and thermodynamic processes in the Columbia River corridor.

Stochastic microbial community assembly decreases biogeochemical function

This study shows that increased dispersal in microbial communities reduces biogeochemical function by increasing maladapted taxa and highlights the tradeoff between generalist and specialist species.

Deterministic influences exceed dispersal effects on hydrologically-connected microbiomes

The paper investigates microbiome assembly in hydrologically-connected zones, finding deterministic ecological selection over dispersal and identifying organism groups linked to seasonal metabolic shifts in hyporheic zones.

Trends in dissolved organic matter cycling, sediment microbiomes, and methylmercury production across vegetation heterogeneity in a Great Lakes wetland

This study examines how vegetation affects methylmercury production in wetlands by analyzing microbiomes, DOM cycling, and mercury methylation in two contrasting sediment types.