N. Dubilier

Mechanism of high energy efficiency of carbon fixation by sulfur-oxidizing symbionts revealed by single-cell analyses and metabolic modeling

The paper investigates carbon fixation efficiency in sulfur-oxidizing symbionts using single-cell analyses and metabolic modeling, finding that stored sulfur and polyhydroxyalkanoate contribute to energy and reducing equivalents for carbon fixation.

High genetic diversification in a symbiotic marine annelid is driven by microgeography and glaciation

This study examines genetic diversity in the marine annelid Olavius algarvensis, revealing microgeographic and glacial influences on population structure across multiple spatial scales.

An intranuclear bacterial parasite of deep-sea musselsexpresses apoptosis inhibitors acquired from its host

This study identifies apoptosis inhibitors in an intranuclear bacterial parasite of deep-sea mussels, showing they acquired these genes via horizontal transfer from their hosts.

Discovery of deep-sea coral symbionts from a novel family of marine bacteria, Oceanoplasmataceae, with severely reduced genomes

The paper identifies two deep-sea coral symbionts from a new bacterial family, Oceanoplasmataceae, with reduced genomes and unique energy acquisition strategies.

De novo phytosterol synthesis in animals

The paper shows marine annelids synthesize sitosterol, a phytosterol, challenging the assumption that phytosterol synthesis is exclusive to plants.

Repeated losses and gains of bacterial symbionts in gutless marine annelids over 150 million years

This study investigates the evolutionary dynamics of bacterial symbionts in gutless marine annelids over 150 million years, showing host-driven stability and convergent gains of symbionts.

Sugars dominate the seagrass rhizosphere

The paper shows seagrasses excrete high concentrations of sucrose into their rhizosphere, which accumulates due to microbial inhibition by phenolic compounds.

Fidelity varies in the symbiosis between a gutless marine worm and its microbial consortium

The paper examines fidelity variation in a gutless marine worm's symbiosis with multiple microbial symbionts, finding strict fidelity for key symbionts and variable fidelity for others.

The hidden pangenome: comparative genomics reveals pervasive diversity in symbiotic and free-living sulfur-oxidizing bacteria

The paper performs comparative genomic analysis of Thioglobaceae bacteria to reveal pervasive intra-specific diversity and a hidden pangenome contributing to their evolutionary success.

Coming together - symbiont acquisition and early development in deep-sea Bathymodiolus mussels

This study investigates symbiont acquisition and early development in deep-sea Bathymodiolus mussels, revealing that symbiont colonization begins during metamorphosis and shifts the mussels' nutritional strategy from filter-feeding to symbiont-dependent energy use.

Deep-sea mussels from a hybrid zone on the Mid-Atlantic Ridge host genetically indistinguishable symbionts

The paper examines symbiont communities in deep-sea mussels along the Mid-Atlantic Ridge, finding that hybrid mussels host genetically similar symbionts to their parental species.

Kentrophoros magnus sp. nov. (Ciliophora, Karyorelictea), a new flagship species of marine interstitial ciliates

The paper describes a new species of marine interstitial ciliate, Kentrophoros magnus, highlighting its unique nuclear characteristics and morphology.

Deep-sea corals near cold seeps associate with chemoautotrophic bacteria that are related to the symbionts of cold seep and hydrothermal vent mussels.

The paper identifies SUP05 chemoautotrophic bacteria associated with deep-sea corals near cold seeps, suggesting a novel symbiotic relationship between corals and chemoautotrophic microbes.

Marine metabolomics: a method for the non-targeted measurement of metabolites in seawater by gas-chromatography mass spectrometry

The paper develops SeaMet, a GC-MS method for non-targeted metabolite analysis in seawater, showing significant signal improvement and revealing insights into marine microbial metabolism and ecosystem dynamics.

Horizontally transmitted symbiont populations in deep-sea mussels are genetically isolated

This study shows that horizontally transmitted symbionts in deep-sea mussels form genetically isolated populations due to restricted bacterial uptake and serial founder effects during host life-cycle.

Horizontal acquisition followed by expansion and diversification of toxin-related genes in deep-sea bivalve symbionts

The paper compares toxin-related genes in symbionts of deep-sea mussels and sponges to understand their evolutionary origins and functional roles.

The Trichoplax microbiome: the simplest animal lives in an intimate symbiosis with two intracellular bacteria

The paper identifies two intracellular bacteria in Trichoplax H2, showing they live in symbiosis with the host and have distinct metabolic roles.

Spatial metabolomics of in situ, host-microbe interactions

The paper introduces metaFISH, a spatial metabolomics pipeline that links host and microbial metabolites in situ, revealing metabolic adaptations and novel symbiosis metabolites in deep-sea mussels.

Sulfur-oxidizing symbionts without canonical genes for autotrophic CO2 fixation

This study identifies Kentron, sulfur-oxidizing symbionts lacking canonical autotrophic CO2 fixation genes, instead relying on organic carbon for heterotrophic growth.

Diversity matters: Deep-sea mussels harbor multiple symbiont strains

The paper shows that deep-sea mussels host multiple symbiont strains with diverse metabolic functions, challenging the idea that symbiont diversity is limited in intracellular bacteria.

Horizontal acquisition of a patchwork Calvin cycle by symbiotic and free-living Campylobacterota (formerly Epsilonproteobacteria)

The paper identifies a horizontally acquired Calvin cycle in Campylobacterota symbionts and free-living members, challenging assumptions about carbon fixation pathway distribution.

Genetic evidence for two carbon fixation pathways in symbiotic and free-living bacteria: The Calvin-Benson-Bassham cycle and the reverse tricarboxylic acid cycle

The paper identifies a cultured bacterium with both Calvin-Benson-Bassham and reverse tricarboxylic acid carbon fixation pathways, suggesting coexistence in symbiotic and free-living sulfur-oxidizing bacteria.