M. Albertsen

Extracellular electron transfer genes expressed by candidate flocking bacteria in cable bacteria sediment

The paper identifies candidate flocking bacteria in freshwater sediments that express extracellular electron transfer genes, suggesting they facilitate electron transfer to cable bacteria and influence element cycling.

High-throughput DNA extraction and cost-effective miniaturized metagenome and amplicon library preparation of soil samples for DNA sequencing

The paper benchmarks DNA extraction methods and miniaturizes library preparation for soil metagenomics, improving efficiency and reducing costs.

Production of extracellular polymeric substances in granular sludge under selection for Accumulibacter and Competibacter

This study investigates how microbial selection influences extracellular polymeric substance (EPS) production in granular sludge, showing that slow-growing organisms enhance granulation and EPS formation.

Closed genomes uncover a saltwater species of Candidatus Electronema and shed new light on the boundary between marine and freshwater cable bacteria

The paper sequenced closed genomes of cable bacteria, identifying a new species in brackish water and suggesting it bridges marine and freshwater lineages.

Taurine as a key intermediate for host-symbiont interaction in the tropical sponge Ianthella basta

The paper shows that taurine is a key intermediate in the metabolic exchange between the sponge Ianthella basta and its microbial symbionts, supporting sulfur cycling and nutrient transfer.

Oxford Nanopore R10.4 long-read sequencing enables near-perfect bacterial genomes from pure cultures and metagenomes without short-read or reference polishing

This study demonstrates that Oxford Nanopore R10.4 long-read sequencing can generate near-perfect microbial genomes from isolates or metagenomes without short-read or reference polishing.

MiDAS 4: A global catalogue of full-length 16S rRNA gene sequences and taxonomy for studies of bacterial communities in wastewater treatment plants

The paper constructs MiDAS 4, a comprehensive 16S rRNA gene reference database for wastewater treatment plants, improving classification accuracy and revealing microbial community patterns globally.

Multi-omics profiling of Earth's biomes reveals patterns of diversity and co-occurrence in microbial and metabolite composition across environments

The paper performs a multi-omics meta-analysis of microbial and metabolite data from diverse environments, revealing patterns of diversity and co-occurrence across biomes.

Connecting structure to function with the recovery of over 1000 high-quality activated sludge metagenome-assembled genomes encoding full-length rRNA genes using long-read sequencing

The paper uses long-read sequencing to recover over 1000 high-quality MAGs from wastewater treatment plants, enabling linkage of microbial community structure to function.

Exploring the upper pH limits of nitrite oxidation: diversity, ecophysiology, and adaptive traits of haloalkalitolerant Nitrospira

This study identifies haloalkalitolerant Nitrospira species in extreme pH lakes, revealing their diversity and adaptive traits for nitrite oxidation at high pH.

Generation of comprehensive ecosystems-specific reference databases with species-level resolution by high-throughput full-length 16S rRNA gene sequencing and automated taxonomy assignment (AutoTax)

The paper generates ecosystem-specific 16S rRNA gene reference databases with high-identity sequences and introduces AutoTax for automated taxonomy assignment, improving classification accuracy for microbial communities.

Species-level microbiome composition of activated sludge - introducing the MiDAS 3 ecosystem-specific reference database and taxonomy

The paper introduces MiDAS 3, a 16S rRNA gene reference database for activated sludge and anaerobic digesters, and updates the MiDAS Field Guide with species-level taxonomy and functional information.

Unlinked rRNA genes are widespread among Bacteria and Archaea

The paper shows that unlinked 16S and 23S rRNA genes are common in many bacterial and archaeal phyla, not just rare exceptions, and are associated with specific ecological and metabolic traits.

The signal and the noise - characteristics of antisense RNA in complex microbial communities

This paper examines antisense RNA in microbial communities, finding high variability and mixed evidence for its origin in transcriptional noise.

Characterization of a thaumarchaeal symbiont that drives incomplete nitrification in the tropical sponge Ianthella basta

This paper characterizes a thaumarchaeal symbiont in the sponge Ianthella basta, showing it is the sole ammonia-oxidizer and reveals adaptations for a mixotrophic lifestyle.

Novel prosthecate bacteria from the candidate phylum Acetothermia revealed by culture-independent genomics and advanced microscopy

The paper identifies a novel Acetothermia bacterium from anaerobic digesters, characterizes its genome and metabolism, and proposes a role for its unique prosthecae in nutrient uptake.

Peatland Acidobacteria with a dissimilatory sulfur metabolism

The paper identifies novel Acidobacteria in peatlands with sulfur metabolism capabilities, including both sulfate respiration and sulfur oxidation, and highlights their ecological roles in organic matter decomposition.

Identifying the abundant and active microorganisms common to full scale anaerobic digesters

The paper identifies abundant and active microorganisms in full-scale anaerobic digesters by analyzing microbial communities over six years using 16S rRNA sequencing.