Arheja

Izvor: Wikipedia

Arheja
Taksonomija
Domain: Archaea Woese, Kandler & Wheelis, 1990
Phyla / Classes
Phylum Crenarchaeota Phylum Euryarchaeota     Halobacteria     Methanobacteria     Methanococci     Methanopyri     Archaeoglobi     Thermoplasmata     Thermococci Phylum Korarchaeota Phylum Nanoarchaeota

Arheje (latinski Archaea) predstavljaju jednu od tri osnovne skupine živih organizama, zajedno s eukariotima i bakterijama. Njihova filogenija još nije u potpunosti poznata. Arheje, poput bakterija, nemaju staničnu jezgru, te se klasificiraju kao prokarioti. Smatralo se da žive isključivo u ekstremnim uvjetima, ali se nedavno vidjelo da su daleko rasprostranjenije.

Razvrstane su tek 1977. godine.

[uredi - уреди] Literatura

• Archaea
• ArchaeaWeb - by UNSW - Information about Archaea
• Introduction to the Archaea, ecology, systematics and morphology
• Archaea at The Encyclopedia of Astrobiology, Astronomy, & Spaceflight
• Extremophiles Bioprospecting for antimicrobials, Dr Sarah Maloney Citat: "...Ground breaking research on extremophiles continues to this day, with the recently-discovered 22nd genetically-encoded amino acid – pyrrolysine – from the archaeon, Methanosarcina barkeri, (Hao et al., 2002; Srinivasan et al., 2002)...."
• BBC News July 21, 1999: Toughest bug reveals genetic secrets Citat: "...It [Pyrococcus abyssi] likes conditions that the vast majority of other organisms would find impossible to live in. It thrives best at temperatures of about 103 degrees [Celsius] and under pressures of about 200 atmospheres...."
• Pyrococcus abyssi Home page at Genoscope