J. R. Spear

Spatial and Temporal Dynamics at an Actively Silicifying Hydrothermal System

The paper analyzes microbial community dynamics and geochemistry along an outflow channel at Steep Cone Geyser over multiple years, revealing temperature-driven community shifts despite stable geochemistry.

An untargeted metabolomics approach to characterize dissolved organic matter in groundwater of the Samail Ophiolite

This study uses untargeted metabolomics to analyze dissolved organic matter in serpentinizing groundwater, revealing correlations with fluid type and microbial communities, and identifying potential biosignatures.

Statistical learning and uncommon soil microbiota explain biogeochemical responses after wildfire

The paper uses statistical learning to predict biogeochemical responses in post-wildfire soils, finding that uncommon microbiota and hybrid models explain most features.

Spatial and temporal constraints on the composition of microbial communities in subsurface boreholes of the Edgar Experimental Mine

The paper analyzes microbial community composition and geochemistry in subsurface boreholes over time, revealing dynamic spatial patterns and links to surface influences.

Methylotrophy, alkane-degradation, and pigment production as defining features of the globally distributed yet-uncultured phylum Binatota

This study analyzes genomes from the uncultured bacterial phylum Binatota, revealing their methylotrophic, alkane-degrading, and pigment-producing capabilities, along with ecological preferences.

Microbially-mediated pretreatment of aerated oil and gas produced water by addition of phosphorous or activated sludge

This study shows that adding phosphorous or activated sludge to produced water improves its treatment efficiency through microbial activity.

Ancestral absence of electron transport chains in Patescibacteria and DPANN

The paper investigates Patescibacteria and DPANN, finding they lack electron transport chains and rely on fermentation, suggesting ancestral adaptations to symbiotic lifestyles.

Metagenomic Insights into Microbial Metabolisms of a Sulfur-Influenced Glacial Ecosystem

The paper reports metagenomic analysis of sulfur cycling in a glacial ecosystem, revealing widespread sulfur oxidation capabilities across multiple bacterial classes.

The Metabolic Capability and Phylogenetic Diversity of Mono Lake During a Bloom of the Eukaryotic Phototroph Picocystis strain ML

The paper investigates microbial dynamics during a natural algal bloom in Mono Lake, finding oxygenic photosynthesis occurs at depth despite anoxic conditions and reduced grazing pressure on Picocystis.

Fresh Snowfall Microbiology and Chemistry are Driven by Geography in Storm-Tracked Events

This study shows that snowfall's microbiological and chemical composition is determined by its geographical origin and that storm-tracking can trace factors influencing bioaerosols.