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Early steps in microbial colonization processes at deep-sea hydrothermal vents.
A pluri-disciplinary in situ colonization experiment was performed to study early stages of colonization in deep-sea vent Alvinella spp. worm habitats. Four colonization devices were deployed onto
Caminicella sporogenes gen. nov., sp. nov., a novel thermophilic spore-forming bacterium isolated from an East-Pacific Rise hydrothermal vent.
It is proposed that the isolate from a deep-sea hydrothermal vent sample from the East-Pacific Rise should be described as a novel genus, namely Caminicella gen. nov., of which CaminICElla sporogenes sp.nov.
Dual symbiosis of the vent shrimp Rimicaris exoculata with filamentous gamma- and epsilonproteobacteria at four Mid-Atlantic Ridge hydrothermal vent fields.
It is hypothesized that biogeography and host-symbiont selectivity play a role in structuring the epibiosis of R. exoculata, indicating that the symbiosis is highly stable and specific.
Microbial diversity associated with the hydrothermal shrimp Rimicaris exoculata gut and occurrence of a resident microbial community.
The hypothesis of a symbiotic relationship between R. exoculata and its gut epibionts is reinforced, as filamentous bacteria, inserted between microvilli of gut epithelial cells, remained after starvation periods in empty guts, suggesting the occurrence of a resident microbial community.
Molecular characterization of bacteria associated with the trophosome and the tube of Lamellibrachia sp., a siboglinid annelid from cold seeps in the eastern Mediterranean.
The phylogeny and function of intracellular bacterial symbionts inhabiting the trophosome of specimens of Lamellibrachia sp.
Acquisition of epibiotic bacteria along the life cycle of the hydrothermal shrimp Rimicaris exoculata
The results confirmed the occurrence of a symbiosis with Gammaproteobacteria and Epsilonproteobacteria, but more complex than previously assumed, and revealed the presence of active type-I methanotrophic bacteria colonizing the cephalothorax of shrimps from the Rainbow site.
Desulfurobacterium crinifex sp. nov., a novel thermophilic, pinkish-streamer forming, chemolithoautotrophic bacterium isolated from a Juan de Fuca Ridge hydrothermal vent and amendment of the genus
It is proposed that the novel isolate from a Juan de Fuca Ridge hydrothermal vent sample represents a novel species, Desulfurobacterium crinifex sp.
A tale of two chitons: is habitat specialisation linked to distinct associated bacterial communities?
Investigation of the feeding strategies of two species, Leptochiton boucheti and Nierstraszella lineata, recovered on sunken wood sampled in the western Pacific suggests that the distinct associations with bacterial partners are linked to niche specialisations of the two species.
Distribution of bacteria and associated minerals in the gill chamber of the vent shrimp Rimicaris exoculata and related biogeochemical processes
The authors' chemical and temperature data indicated that abiotic iron oxidation appears to be kinetically inhibited in the environment of the shrimps, which would explain the lack of iron oxide deposits in the first 2 compartments, and it is proposed that iron oxidation is microbially promoted in the third area.
Inorganic carbon fixation by chemosynthetic ectosymbionts and nutritional transfers to the hydrothermal vent host-shrimp Rimicaris exoculata
The first demonstration of such capabilities in a decapod crustacean supports the previously discarded hypothesis of transtegumental absorption of dissolved organic matter or carbon as a common nutritional pathway.