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Palaeococcus helgesonii : ウィキペディア英語版 | Palaeococcus helgesonii
Palaeococcus helgesonii is a hyperthermophillic, anaerobic yet microaerobic archaeon from a geothermal well found in Vulcano, Italy.〔〕 It is characterized as sphere-shaped, has a cell diameter ranging from 0.6 to 1.5 micrometers, a cell envelope consisting of a cytoplasmic membrane, a periplasmic space, and a thin electron-dense layer, and tufts of polar flagella.〔 It occurs singly or in pairs. It can survive in temperatures ranging from 45 to 80 degrees Celsius, a pH range of 5 to 8, and an NaCl range of 0.5 to 6 wt%.〔 In optimal conditions (a temperature of 80 degrees Celsius, a pH of around 6.5, and a NaCl wt% of 2.8) it has a doubling time of 50 minutes.〔 It also has a G+C of 42.5 mol.%.〔 ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Palaeococcus helgesonii」の詳細全文を読む
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