Article about chemosynthesis

Later, the term would be expanded to include also chemoorganoautotrophs, which are organisms that use organic energy substrates in order to assimilate carbon dioxide. His discovery suggested that some microbes could live solely on inorganic matter and emerged during his physiological research in the s in Strassburg and Zurich on sulfur, iron, and nitrogen bacteria.

Llaima volcanoResearchers monitoring the Llaima volcano in Chile. Winter sports are pursued in the Andes near Santiago. South-central Chile, with a lake and forest region, is temperate, humid, and suitable for grain cultivation; and the southernmost third of the country, cut by deep fjords, is an inhospitable region—cold, wet, windy, and limited in resources.

The bacteria synthesize methane by combining hydrogen and carbon dioxide. All of these summits are capped by eternal snow that feeds the numerous rivers of central Chile. Some of them are extinct while others are still active.


The reported depth was 4, fathoms meters based on two separate soundings. Preliminary findings are that these bacteria subsist on the hydrogen produced by chemical reduction of olivine by seawater circulating in the small veins that permeate the basalt that comprises oceanic crust.

Later in the Cenozoic Era the uplift of the Andes continued, accompanied by further outbursts of volcanism. The economy of Chile is based on primary economic activities: Photosynthesis in turn requires energy from sunlight to drive the chemical reactions that produce organic carbon.

Much of northern Chile is desert; the central part of the country is a temperate region where the bulk of the population lives and where the larger cities, including Santiago, are located. Cavanaugh later managed to confirm that this was indeed the method by which the worms could thrive, and is generally credited with the discovery of chemosynthesis.

In the Cenozoic Era beginning about 65 million years ago active volcanism and the injection of effusive rocks laid down the paleovolcanic materials rhyolites and dacites that contain the rich copper, iron, silver, molybdenum, and manganese ores of Chile.

Fierce winter storms and flash floods alternate with severe summer droughts. A long, narrow country, it has an average width of only about miles, with a maximum of miles at the latitude of Antofagasta and a minimum of 9.

Their perfect conical shapes reflecting on the quiet waters in the Lake District provide some of the most splendid scenery in temperate South America.

Deep sea community

Nereusa hybrid remotely operated vehicle HROV of the Woods Hole Oceanographic Institutionis the only vehicle capable of exploring ocean depths beyond meters.

InWilhelm Pfeffer coined the term "chemosynthesis" for the energy production by oxidation of inorganic substances, in association with autotrophic carbon dioxide assimilation - what would be named today as chemolithoautotrophy.

The first discovery of any deep-sea chemosynthetic community including higher animals was unexpectedly made at hydrothermal vents in the eastern Pacific Ocean during geological explorations Corliss et al.

Rich sediments were washed down the glacial valleys and deposited into the longitudinal depression. Nearly all primary production in the ocean occurs here.

Discovery[ edit ] Giant tube worms Riftia pachyptila have an organ containing chemosynthetic bacteria instead of a gut. At this great depth a small flounder-like fish was seen moving away from the spotlight of the bathyscaphe.A deep sea community is any community of organisms associated by a shared habitat in the deep sea communities remain largely unexplored, due to the technological and logistical challenges and expense involved in visiting this remote mint-body.come of the unique challenges (particularly the high barometric pressure, extremes of.

Chile: Chile, country situated along the western seaboard of South America. A long, narrow country, it extends approximately 2, miles and has an average width of just miles. It is bounded on the north by Peru and Bolivia, on the east by Argentina, and on the west by the Pacific Ocean. Its capital is Santiago.

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 methane as a source of energy, rather than sunlight, as in photosynthesis.


Article about chemosynthesis
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