psychrophile - définition. Qu'est-ce que psychrophile
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Qu'est-ce (qui) est psychrophile - définition

ORGANISM CAPABLE OF GROWING AND REPRODUCING IN THE COLD
Cryophile; Psychrophiles; Psychrotolerant; Psychrophilic; Psychrophilous; Cryophilia; Cryophilic; Psychrophilia; Psychrotroph; Cold-loving microbes; Cold loving microbes; Psychrotrophic bacteria; Cryophil; Psychrophil; Cryozoa; Cryophyte; Cold hardiness; Psychrotrophs; Psychrophily; Cryophilic bacteria; Cold tolerance; Cold-hardiness
  • Antarctic [[diatom]] algae covering the underwater surface of broken [[sea ice]] in the [[Ross Sea]].
  • Psychrophilic [[algae]] can tolerate cold temperatures, like this ''[[Chlamydomonas]]'' green algae growing on snow in [[Antarctica]].
  • Snow surface with [[snow algae]] ''[[Chlamydomonas nivalis]]''.
  • The wingless midge ([[Chironomidae]]) ''[[Belgica antarctica]]''.
  • photosynthesize]] at −24&nbsp;°C.<ref name="BartákVáczi2007"/>

psychrophile         
['s??kr?(?)f??l]
¦ noun Biology an organism that grows best at temperatures close to freezing.
Derivatives
psychrophilic adjective
Origin
1920s: from Gk psukhros 'cold' + -phile.
Psychrophile         
Psychrophiles or cryophiles (adj. psychrophilic or cryophilic) are extremophilic organisms that are capable of growth and reproduction in low temperatures, ranging from to .

Wikipédia

Psychrophile

Psychrophiles or cryophiles (adj. psychrophilic or cryophilic) are extremophilic organisms that are capable of growth and reproduction in low temperatures, ranging from −20 °C (−4 °F) to 20 °C (68 °F). They have an optimal growth temperature at 15 °C (59 °F). They are found in places that are permanently cold, such as the polar regions and the deep sea. They can be contrasted with thermophiles, which are organisms that thrive at unusually high temperatures, and mesophiles at intermediate temperatures. Psychrophile is Greek for 'cold-loving', from Ancient Greek ψυχρός (psukhrós) 'cold, frozen'.

Many such organisms are bacteria or archaea, but some eukaryotes such as lichens, snow algae, phytoplankton, fungi, and wingless midges, are also classified as psychrophiles.