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Article
Influence of osmotic stress on desiccation and irradiation tolerance of (hyper)-thermophilic microorganisms
This study examined the influence of prior salt adaptation on the survival rate of (hyper)-thermophilic bacteria and archaea after desiccation and UV or ionizing irradiation treatment. Survival rates after des...
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Article
Carnitine: a novel compatible solute in Lactobacillus plantarum
The aim of this study was to unravel the identity of compatible solutes accumulated by Lactobacillus plantarum subjected to osmotic stress. Betaine was accumulated simulataneously with a novel compatible solute i...
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Article
Intracellular salt and solute concentrations in Ectothiorhodospira marismortui: glycine betaine and Nα-carbamoyl glutamineamide as osmotic solutes
Ectothiorhodospira marismortui, a moderately halophilic purple sulfur bacterium from a hypersaline sulfur spring, contains glycine betaine and Nα-carbamoyl glutamineamide (CGA) as the main intracellular osmotic ...
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Article
Degradation of the compatible solute trehalose in Ectothiorhodospira halochloris: isolation and characterization of trehalase
Trehalase, which hydrolyzes the disaccharide trehalose to α-d-glucose was isolated and partially purified (124-fold) from the phototrophic halo-alkaliphilic bacterium Ectothiorhodospira halochloris. The molecular...
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Article
The role of trehalose as a substitute for nitrogen-containing compatible solutes (Ectothiorhodospira halochloris)
The halophilic phototrophic bacterium Ectothiorhodospira halochloris is able to synthesize both nitrogen-containing (betaine, ectoine) and nitrogen-free (trehalose) compatible solutes. In the absence of external ...