extreme halophiles

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• halobacteria or extreme halophiles — A group of archaea that have an absolute dependence on high NaCl concentrations for growth and will not survive at a concentration below about 1.5 M NaCl …   Dictionary of microbiology

• Halophile — Halophiles are extremophiles that thrive in environments with very high concentrations of salt. The name comes from Greek for salt loving . While the term is perhaps most often applied to some halophiles classified into the Archaea domain, there… …   Wikipedia

• Life on Mars — For other uses, see Life on Mars (disambiguation). An artist s impression of what Mars surface and atmosphere may look like if Mars were terraformed. Scientists have long speculated about the possibility of life on Mars owing to the planet s… …   Wikipedia

• bacteria — bacterial, adj. bacterially, adv. /bak tear ee euh/, n.pl., sing. bacterium / tear ee euhm/. ubiquitous one celled organisms, spherical, spiral, or rod shaped and appearing singly or in chains, comprising the Schizomycota, a phylum of the kingdom …   Universalium

• Haloarchaea — are microrganisms member of the halophile community, in that they require high salt concentrations to grow. They are a distinct evolutionary branch of the Archaea, and are generally considered extremophiles, although not all members of this group …   Wikipedia

• Europa (moon) — Europa Europa s trailing hemisphere in approximate natural color. The prominent crater in the lower right is Pwyll and the darker regions are areas where Europa s primarily water ice surface has a higher mineral content. Imaged on September 7,… …   Wikipedia

• Vie sur Mars — Vue d artiste d une vue de Mars terraformée et rendue habitable par la présence d eau liquide en quantité. Les scientifiques ont longtemps spéculé sur la possibilité de vie sur la planète Mars en raison de sa proximité et de sa similitude avec la …   Wikipédia en Français

• Archaebacteria — One of two major subdivisions of the prokaryotes. There are three main Orders, extreme halophiles, methanobacteria, and sulphur dependant extreme thermophiles. Archaebacteria differ from Eubacteria in ribosomal structure, the possession (in some… …   Dictionary of molecular biology

• Halobacterium salinarum — Taxobox color = darkgray name = Halobacterium salinarum domain = Archaea phylum = Euryarchaeota classis = Halobacteria ordo = Halobacteriales familia = Halobacteriaceae genus = Halobacterium binomial = Halobacterium salinarum binomial authority …   Wikipedia

• Halophile — Un organisme halophile (du grec alos, sel et philein, aimer) est un organisme qui s accommode ou a besoin de fortes concentrations en sel dans son milieu pour vivre. Les organismes halophiles sont des extrémophiles appartenant aux domaines des… …   Wikipédia en Français

• Archaea — Archea redirects here. For the geologic eon, see Archean. For the spider family, see Archaeidae. Archaea Temporal range: Paleoarchean – Recent Halobacteria sp. strain NRC 1, each cell about 5 μm long …   Wikipedia