Characterization of a novel spirochete associated with the hydrothermal vent polychaete annelid, Alvinella pompejana

Article Abstract:

Research indicates that the spirochetes, or marine bacteria, found along the dorsal surface of the annelid Alvinella pompejana, are ubiquitous in high-temperature deep-sea hydrothermal vents and may therefore be an integral part of hydrothermal vent ecology. The spirochetes have a symbiotic relationship with A. pompejana.

Statistical Data Included, Hydrothermal vent ecology, Hydrothermal vent ecosystems, Symbiosis, Marine bacteria, Spirochetes, Marine microbiology

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Evidence of chemolithoautotrophy in the bacterial community associated with Alvinella pompejana, a hydrothermal vent polychaete

Article Abstract:

Research has been conducted on episymbiot community associated with hydrothermal vent polychaete Alvinella pompejana. The authors have investigated the expression and diversity of the community's genes in reverse tricarboxylic acid cycle, and they suggest that the community displays chemolithoautotrophic form of growth contributing fixed carbon to other vent community organisms.

Science & research, Environmental aspects, Growth, Microbiology, Biological diversity, Biodiversity, Polychaeta, Polychaetes, Hydrothermal vents, Microbial populations, Carboxylic acids, Company growth, Microbial ecology

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Diversity of dissimilatory bisulfite reductase genes of bacteria associated with the deep-sea hydrothermal vent polychaete annelid Alvinella pompejana

Article Abstract:

A segment of the dissimilatory bisulfite reductase gene from DNA isolated from the bacterial community associated with Alvinella pompejana has been amplified by using the PCR primers P94-F and P93-R. A. pompejana is a polychaete annelid found in the active deep-sea hydrothermal vents along the East Pacific Rise. The dissimilatory bisulfite reductase is the terminal redox enzyme which catalyzes the reduction of sulfite to sulfide during anaerobic sulfate reduction. The diversity of the genes in the bacterial community indicates a prominent role for sulfate-reducing bacteria in the ecology of A. pompejana.

Bacterial genetics, Microbial enzymes, Sulfur bacteria

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