Chris Greening

This study shows that bacterial fermentation, not respiration, dominates in upland soils during hypoxia, challenging the assumption that respiration is the primary metabolic strategy.

This study integrates surveillance methods to profile AMR genotypes and phenotypes across diverse environmental and clinical samples, revealing high diversity and mismatches between genotype and phenotype.

The paper investigates CO and H2 as energy sources for microbes in the Mariana Trench, finding higher H2 oxidation rates at depth compared to CO.

The paper examines Arthrobacter strains in Antarctic soils and finds evidence of endemism and local adaptation, showing that extreme conditions drive unique microbial traits.

This study evaluates a high-volume air sampling approach to detect bioaerosols in indoor environments, showing its sensitivity and association with human activity and AMR transmission risks.

This study investigates how horizontal gene transfer and selection drive microbial adaptation in Antarctic soils, finding widespread HGT of aerotrophy-related genes and strong purifying selection.

This study identifies quinone-transporting filaments in Bacillus subtilis as an alternative to membrane invaginations for expanding respiratory capacity in Gram-positive bacteria.

The paper identifies metabolically flexible fermenters as drivers of increased intestinal gas production in Crohn's disease by analyzing microbial genomes and metagenomes.

This study shows that microbial assimilation of DMS and DMSO can occur through non-enzymatic oxidative mechanisms driven by light and heat, producing methanesulfonic acid and sulfite.

This study expands the diversity of Asgardarchaeota, revealing metabolic features suggesting aerobic respiration in the Asgard-eukaryotic ancestor.

The paper identifies genes and mechanisms enabling pathogen persistence in freshwater ecosystems using paired in situ and molecular analyses of Escherichia, Klebsiella, and Enterococcus.

This paper shows that facultative anaerobes use CO-dependent proton respiration to survive electron acceptor limitation, mediated by Ni-CODH/ECH, which is redox-regulated and provides a reliable energy source in variable environments.

This study shows that Antarctic soil bacteria can consume trace gases like H2 and CO across wide temperature ranges, with potential increases in activity under future climate scenarios.

The paper investigates chemosynthesis in a marine cave ecosystem, finding that interior communities rely on chemosynthetic processes for carbon fixation and diversity, contrasting with entrance areas.

This study analyzes marsupial gut microbiomes to identify genetic factors contributing to their low methane emissions compared to ruminants.

The paper determines the structure of tRNA-bound CRISPR-Cas13 and reveals universal HEPN RNase mechanisms for substrate recognition and catalysis.

This study identifies aridity as the primary driver of microbial community structure and biogeochemical activities in deserts across seven continents.

This study investigates microbial colonization in glacial forelands, finding that metabolically flexible bacteria drive early succession and create hospitable conditions for later colonizers.

The paper shows that catabolite repression regulates hydrogen consumption in Mycobacterium smegmatis by modulating the expression of the huc operon in response to glycerol availability.

The paper identifies Flavobacteria in coastal sediments that reduce nitrous oxide emissions by having low substrate affinity, contradicting prior assumptions and suggesting they buffer nitrogen cycling.

This study identifies aerotrophy as a primary energy source in caves, revealing microbial use of atmospheric trace gases for continuous primary production.

The paper examines how soil trace gas oxidizers respond to short- and long-term warming, finding increased CO and H2 oxidation but reduced CH4 oxidation with long-term warming.

The paper shows bark-associated diazotrophs fix significant nitrogen in forests, contributing up to 3.8 Tg N yr-1 globally.

This study identifies the group B [FeFe]-hydrogenase as the primary enzyme driving fermentative H2 production in the human gut, linking it to gut health and disease.

This study identifies acetogens as active carbon fixers in Blue Carbon ecosystems, revealing a novel CO2 sink pathway beyond photosynthesis.

This study shows that 3-NOP reduces methane emissions in ruminants by altering microbial communities and fermentation pathways, but limits productivity gains due to shifts in hydrogen-cycling microbes.

The paper proposes a roadmap for fair reuse of public microbiome data by introducing a Data Reuse Information tag (DRI) to facilitate communication between data creators and consumers.

The paper shows that aerotolerant methanogens in oxygenated marine sediments produce methane using seaweed and seagrass metabolites, linking eutrophication to increased methane emissions.

This study investigates the evolutionary relationships and halophilic adaptations of Nanohaloarchaeota and related DPANN archaea, identifying Caliditerrarchaeota as a new sister group and revealing distinct halophily mechanisms.

This study shows that carbon monoxide exposure promotes growth and activity of carboxydotrophic bacteria in diverse soil ecosystems, suggesting a potential role for soils as a CO sink.