Is there a common water-activity limit for the three domains of life?

Is there a common water-activity limit for the three domains of life?

Archaea and Bacteria constitute a majority of life systems on Earth but have long been considered inferior to Eukarya in terms of solute tolerance. Whereas the most halophilic prokaryotes are known for an ability to multiply at saturated NaCl (water activity (a(w)) 0.755) some xerophilic fungi can g...

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Veröffentlicht in:The ISME Journal 2015-06, Vol.9 (6), p.1333-51
Hauptverfasser: Stevenson, Andrew, Cray, Jonathan A, Williams, Jim P, Santos, Ricardo, Sahay, Richa, Neuenkirchen, Nils, McClure, Colin D, Grant, Irene R, Houghton, Jonathan Dr, Quinn, John P, Timson, David J, Patil, Satish V, Singhal, Rekha S, Antón, Josefa, Dijksterhuis, Jan, Hocking, Ailsa D, Lievens, Bart, Rangel, Drauzio E.N, Voytek, Mary A, Gunde-Cimerman, Nina, Oren, Aharon, Timmis, Kenneth N, McGenity, Terry J, Hallsworth, John E
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Sprache:eng
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Zusammenfassung:Archaea and Bacteria constitute a majority of life systems on Earth but have long been considered inferior to Eukarya in terms of solute tolerance. Whereas the most halophilic prokaryotes are known for an ability to multiply at saturated NaCl (water activity (a(w)) 0.755) some xerophilic fungi can germinate, usually at high-sugar concentrations, at values as low as 0.650-0.605 a(w). Here, we present evidence that halophilic prokayotes can grow down to water activities of
ISSN:1751-7362