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Venenivibrio stagnispumantis gains energy by oxidizing hydrogen gas.. In biochemistry, chemosynthesis is the biological conversion of one or more carbon-containing molecules (usually carbon dioxide or methane) and nutrients into organic matter using the oxidation of inorganic compounds (e.g., hydrogen gas, hydrogen sulfide) or ferrous ions as a source of energy, rather than sunlight, as in ...
These bacteria use reduced chemical species, most often sulfur, as sources of energy to reduce carbon dioxide to organic carbon. [11] The chemolithotrophic abundance in a hydrothermal vent environment is determined by the available energy sources; different temperature vents have different concentrations of nutrients, suggesting large variation ...
Zoothamnium niveum is a species of ciliate protozoan which forms feather-shaped colonies in marine coastal environments. The ciliates form a symbiosis with sulfur-oxidizing chemosynthetic bacteria of the species "Candidatus Thiobios zoothamnicoli", which live on the surface of the colonies and give them their unusual white color.
This process, known as chemosynthesis, was recognized within the trophosome by Colleen Cavanaugh. [21] The soluble hemoglobins, present in the tentacles, are able to bind O 2 and H 2 S, which are necessary for chemosynthetic bacteria. Due to the capillaries, these compounds are absorbed by bacteria. [22]
Most chemosynthetic bacteria form symbiotic associations with other small eukaryotes [9] The electrons that are released from hydrogen sulfide will provide the energy to sustain a proton gradient across the bacterial cytoplasmic membrane. This movement of protons will eventually result in the production of adenosine triphosphate.
Rimicaris kairei is a species of hydrothermal vent shrimp originally discovered in August 2000 with the ROV Kaiko on the R/V Kairei [1]. They are named for the R/V Kairei and the Kairei hydrothermal vent field on which they were first discovered. [2] They get energy from chemosynthetic symbiotic bacteria that live in their gut. [3]
A black smoker vent in the Atlantic Ocean, providing energy and nutrients for chemotrophs. Chemoautotrophs are autotrophic organisms that can rely on chemosynthesis, i.e. deriving biological energy from chemical reactions of environmental inorganic substrates and synthesizing all necessary organic compounds from carbon dioxide.
Bacteria are a key energy source in the food chain. This source of energy creates large populations in areas around hydrothermal vents, which provides scientists with an easy stop for research. Organisms can also use chemosynthesis to attract prey or to attract a mate. [34]