Differences in archaeal diversity and potential ecological functions between saline and hypersaline lakes on Qinghai-Tibet Plateau were driven by multiple environmental and non-environmental factors beyond the salinity. [PDF]
BMC MicrobiolWang Y, Li W, Bao G, Bai M, Ye H.
europepmc +1 more source
Ecological and evolutionary implications of a mobile genetic element-rich haloarchaeon with unique osmotic resilience. [PDF]
Microbiol SpectrNi Y +6 more
europepmc +1 more source
Biosignature Molecules Accumulate and Persist in Evaporitic Brines: Implications for Planetary Exploration. [PDF]
AstrobiologyPozarycki C +17 more
europepmc +1 more source
Diversity of Haloquadratum and other haloarchaea in three, geographically distant, Australian saltern crystallizer ponds [PDF]
Extremophiles, 2009 Haloquadratum walsbyi is frequently a dominant member of the microbial communities in hypersaline waters. 16S rRNA gene sequences indicate that divergence within this species is very low but relatively few sites have been examined, particularly in the ...
Mike Dyall-Smith, Kate Porter
exaly +7 more sources
Haloquadratum walsbyi Yields a Versatile, NAD+/NADP+ Dual Affinity, Thermostable, Alcohol Dehydrogenase (HwADH) [PDF]
Molecular Biotechnology, 2018 This study presents the first example of an alcohol dehydrogenase (ADH) from the halophilic archaeum Haloquadratum walsbyi (HwADH). A hexahistidine-tagged recombinant HwADH was heterologously overexpressed in Haloferax volcanii. HwADH was purified in one
Francesca Paradisi, Jennifer Cassidy
exaly +5 more sources
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Dihydroxyacetone metabolism in Salinibacter ruber and in Haloquadratum walsbyi
Extremophiles, 2007The extremely halophilic bacterium Salinibacter ruber inhabits saltern crystallizer ponds worldwide, together with the square archaeon Haloquadratum walsbyi. Cultures of Salinibacter have been shown to convert up to 20% of the glycerol added to a not previously characterized overflow product.
Aharon Oren
exaly +3 more sources
Conditional Alternative Protein Splicing Promoted by Inteins from Haloquadratum walsbyi
Biochemistry, 2022 Protein splicing is a post-translational process by which an intervening protein, or an intein, catalyzes its own excision from flanking polypeptides, or exteins, coupled to extein ligation.
Kenneth Mills
exaly +2 more sources
Protein splicing and tryptophan fluorescence of salt‐dependent inteins from Haloquadratum walsbyi
FASEB Journal, 2020Protein splicing is a self‐catalyzed reaction by which an intein, an intervening polypeptide, catalyzes its own removal from exteins, the flanking polypeptides, as well as ligation of the exteins. We are studying the inteins that interrupt a cell division control protein in the halophilic archaea Haloquadratum ...
Vaishnavi Yalala +3 more
exaly +2 more sources
The Light‐Activated Proton Pump Bop I of The Archaeon Haloquadratum walsbyi
Photochemistry and Photobiology, 2012AbstractWe have isolated and characterized the light‐driven proton pump Bop I from the ultrathin square archaeon Haloquadratum walsbyi, the most abundant component of the dense microbial community inhabiting hypersaline environments. The disruption of cells by hypo‐osmotic shock yielded Bop I retinal protein highly enriched membranes, which contain one
Simona Lobasso +8 more
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We are interested in the protein splicing of the inteins from the extreme halophile Haloquadratum walsbyi. Protein splicing is a post translational process by which an intein excises itself and ligates the two flanking polypeptides, the exteins. Two inteins interrupt the cell division control (cdc21) protein in H. walsbyi.
Anthony C. D'Angelo +2 more
exaly +2 more sources