Results 131 to 140 of about 4,854 (164)
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Construction of composite transposons for halophilic Archaea
Canadian Journal of Microbiology, 1994Transposons with selectable marker genes (e.g., antibiotic resistance) have been extremely useful tools in bacterial genetics but have not been found naturally in Archaea. We constructed synthetic transposons consisting of halobacterial ISH elements (ISH2, ISH26, or ISH28) flanking a mevinolin resistance determinant.
M L, Dyall-Smith, W F, Doolittle
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Uranium association with halophilic and non-halophilic bacteria and archaea
Radiochimica Acta, 2004Summary We determined the association of uranium with bacteria isolated from the Waste Isolation Pilot Plant (WIPP), Carlsbad, New Mexico, and compared this with known strains of halophilic and non-halophilic bacteria and archaea.
Arokiasamy J. Francis +5 more
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Flagella of halophilic archaea: Differences in supramolecular organization
Biochemistry (Moscow), 2014Archaeal flagella are similar functionally to bacterial flagella, but structurally they are completely different. Helical archaeal flagellar filaments are formed of protein subunits called flagellins (archaellins). Notwithstanding progress in studies of archaeal flagella achieved in recent years, many problems in this area are still unsolved.
A S, Syutkin +2 more
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Evolutionary advantages of polyploidy in halophilic archaea
Biochemical Society Transactions, 2013Several species of haloarchaea have been shown to be polyploid and thus this trait might be typical for and widespread in haloarchaea. In the present paper, nine different possible evolutionary advantages of polyploidy for haloarchaea are discussed, including low mutation rate, radiation/desiccation resistance, gene redundancy and survival over ...
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HF1 and HF2: Novel Bacteriophages of Halophilic Archaea
Virology, 1993Two novel halophilic archaebacterial bacteriophages, HF1 and HF2, were isolated from an Australian solar saltern. They were morphologically identical with icosahedral-shaped heads (diameter 58 nm) and contractile tails (length 94 nm). Other similarities included sensitivity to reduced ionic conditions, similar protein profiles by SDS-PAGE, and dsDNA ...
S D, Nuttall, M L, Dyall-Smith
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Nitrate Assimilation in Halophilic Archaea
2004Nitrate is an important inorganic nitrogen source for plants and microorganisms. The physiology, enzymology and genetics of nitrate assimilation have been well studied in plants and bacteria (Campbell 1996; Lin and Stewart 1998); nonetheless, little is known at the biochemical, genetic or structural level of this process in halophilic Archaea.
María José Bonete +4 more
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Leben im Salz — Halophile Archaea
Biologie in unserer Zeit, 1995AbstractDer größte Teil des Wassers auf diesem Planeten ist Meerwasser, welches eine relativ konstante Zusammensetzung anorganischer Salze enthält. In hypersalinen Gewässern dagegen sind höhere Salzkonzentrationen als im normalen Meerwasser vorhanden.
Susanne Bickel‐Sandkötter +3 more
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Computational Genome and Pathway Analysis of Halophilic Archaea
2005Halophilic archaea inhabit hypersaline environments and share common physiological features such as acidic protein machineries in order to adapt to high internal salt concentrations as well as electron transport chains for oxidative respiration. Surprisingly, nutritional demands were found to differ considerably amongst haloarchaeal species, though ...
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Proteases Produced by Halophilic Bacteria and Archaea
2005Proteases from halophilic microorganisms present the advantage of being stable at high salinities, constituting interesting enzymes from a biotechnological point of view. To maintain osmolarity in saline environments the microorganisms adopt mainly two strategies, one followed by most moderately halophilic bacteria, accumulating organic compatible ...
Encarnación Mellado +2 more
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25 Characterization of Lipids of Halophilic Archaea
2006Publisher Summary One- or two-dimensional thin-layer chromatography (TLC) is a useful technique for the rapid characterization of the lipids present in halophilic archaeal isolates. Mass spectrometry and nuclear magnetic resonance (NMR) spectroscopic techniques are powerful analytical methods in studies of structural characterization of lipid ...
Angela Corcelli, Simona Lobasso
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