C. Greening

Oxygen metabolism in descendants of the archaeal-eukaryotic ancestor

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

Wetland tree barks are dynamic hotspots for microbial trace gas cycling

The paper identifies microbial communities in wetland tree barks that mediate methane and hydrogen cycling, showing they can both mitigate and emit climate-active gases.

Microbial aerotrophy enables continuous primary production in diverse cave ecosystems

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

Reductive dehalogenation by diverse microbes is central to biogeochemical cycles in deep-sea cold seeps

The paper investigates reductive dehalogenation in deep-sea cold seeps, identifying diverse RDases and their ecological role in biogeochemical cycles.

Quinone extraction drives atmospheric carbon monoxide oxidation in bacteria

This study identifies how Mo-CODH and CoxG in Mycobacterium smegmatis oxidize CO and transfer electrons to the respiratory chain via quinone transport.

Metabolic interactions of a minimal bacterial consortium drive robust nitritation at acidic pH

This study identifies a minimal bacterial consortium that efficiently drives nitritation at acidic pH through metabolic interactions and stress adaptation mechanisms.

Disease-specific loss of microbial cross-feeding interactions in the human gut

The paper introduces a Metabolite Exchange Score to quantify microbial cross-feeding interactions in the gut and identifies disease-specific disruptions in these interactions.

An obligate aerobe adapts to hypoxia by hybridising fermentation with carbon storage

This study reveals how Mycobacterium smegmatis adapts to hypoxia by combining fermentative hydrogen production with carbon storage through lipid droplets.

A vast repertoire of secondary metabolites influences community dynamics and biogeochemical processes in cold seeps

This study investigates secondary metabolites in cold seep microbiomes using metagenomic, metatranscriptomic, and metabolomic data, revealing diverse biosynthetic gene clusters and their potential ecological roles.

Atmospheric hydrogen oxidation extends to the domain archaea

This study shows that archaea, like bacteria, oxidize atmospheric hydrogen and carbon monoxide, revealing a cross-domain metabolic trait with ecological and evolutionary significance.

Autotrophic biofilms sustained by deeply-sourced groundwater host diverse CPR bacteria implicated in sulfur and hydrogen metabolism

The paper identifies CPR bacteria in sulfide-rich biofilms, linking them to sulfur and hydrogen metabolism through genomic and spectroscopic analyses.

Energy extraction from air: structural basis of atmospheric hydrogen oxidation

This paper determines the structure of a mycobacterial hydrogenase and explains how it selectively oxidizes atmospheric H2 while avoiding O2, enabling energy extraction from air.

Evolutionary ecology of microbial populations inhabiting deep sea sediments associated with cold seeps

The paper examines intraspecies diversity and evolutionary patterns of microbial populations in deep sea cold seep sediments, finding depth-dependent diversification and purifying selection on key metabolic genes.

Molecular hydrogen is an overlooked energy source for marine bacteria

This study shows marine bacteria consume molecular hydrogen as an energy source, with H2 oxidation more active in subantarctic waters and supported by genomic and experimental evidence.

A nitrite-oxidizing bacterium constitutively consumes atmospheric hydrogen

This study shows Nitrospira moscoviensis oxidizes atmospheric hydrogen using a high-affinity hydrogenase, enhancing its growth and survival under varying nitrite conditions.

Mycobacteria tolerate carbon monoxide by remodelling their respiratory chain

This study shows Mycobacterium smegmatis resists carbon monoxide by using cytochrome bd oxidase and shows minimal proteomic changes.

Metabolic flexibility allows generalist bacteria to become dominant in a frequently disturbed ecosystem

This study shows that metabolically flexible bacteria dominate in disturbed ecosystems, outcompeting specialists during habitat disturbance.

TaqMan Array Cards enable monitoring of diverse enteric pathogens across environmental and host reservoirs

This study compares TaqMan Array Cards and standard qPCR for detecting enteric pathogens in diverse samples, finding comparable performance with TAC offering a broader panel at lower cost.

Freshwater Chlorobia exhibit metabolic specialization among cosmopolitan and endemic populations

The paper analyzes global metagenomes to study metabolic specialization of freshwater Chlorobia, revealing widespread distribution and niche-specific adaptations.

BonA from Acinetobacter baumannii forms a divisome-localized decamer that supports outer envelope function

This study identifies BonA as an outer membrane protein in Acinetobacter baumannii that forms a transient decamer, supports outer envelope function, and is involved in cell division and motility.

A genome compendium reveals diverse metabolic adaptations of Antarctic soil microorganisms

This study identifies diverse metabolic adaptations of Antarctic soil microorganisms using metagenomic analysis and experimental validation.

Gut bacteria convert cortisol into a distinct hostsignalling molecule

The paper shows gut bacteria convert cortisol into 20-dihydrocortisol, a distinct host signalling molecule that reprograms colonic transcription and activates inflammatory pathways via NR4A3.

A widely distributed hydrogenase oxidises atmospheric H2 during bacterial growth

This study investigates the role of group 2a [NiFe]-hydrogenase in three bacterial species, finding it supports aerobic H2 oxidation during growth and is widely distributed across 13 bacterial phyla.

Cellular and structural basis of synthesis of the unique intermediate dehydro-F420-0 in mycobacteria

This study resolves the biosynthesis pathway of F420 in mycobacteria by showing phosphoenolpyruvate, not 2-phospholactate, is the precursor and identifies the structural mechanism of dehydro-F420-0 production.

Thermogenic hydrocarbons fuel a redox stratified subseafloor microbiome in deep sea cold seep sediments

This study profiles microbial activities in deep sea cold seep sediments, revealing hydrocarbon oxidation pathways and their role in sustaining diverse microbial communities across redox gradients.

Two uptake hydrogenases differentially interact with the aerobic respiratory chain during mycobacterial growth and persistence

This study identifies two hydrogenases in Mycobacterium smegmatis that differentially interact with the respiratory chain during growth and persistence, performing distinct roles under varying conditions.

Plumage redness signals mitochondrial function in the House Finch

The paper links carotenoid oxidation and feather redness to mitochondrial function in house finches, showing a direct relationship between mitochondrial performance and feather coloration.

Termite mounds contain distinct methanotroph communities that are kinetically adapted to elevated methane concentrations

This study identifies distinct methanotroph communities in termite mounds that are kinetically adapted to high methane concentrations, but their abundance is limited by factors other than substrate availability.

Carbon monoxide dehydrogenases enhance bacterial survival by oxidising atmospheric CO

This study shows that carbon monoxide dehydrogenases enhance bacterial survival by providing a supplemental energy source during organic carbon starvation.

Metabolic potential of uncultured bacteria and archaea associated with petroleum seepage in deep-sea sediments

This study investigates microbial energy and carbon acquisition strategies in deep-sea petroleum seeps using metagenomic analysis and geochemical data.