Results 171 to 180 of about 12,296 (223)

The expression of the superoxide dismutase gene in Halobacterium cutirubrum and Halobacterium volcanii

Canadian Journal of Microbiology, 1989
The gene encoding the Mn-containing superoxide dismutase (SOD) from Halobacterium cutirubrum has been cloned and sequenced. The deduced amino acid sequence is homologous to the sequences of Fe and Mn SODs from eubacteria. The high degree of amino acid identity between the archaebacterial and eubacterial proteins suggests that a SOD gene may have been ...
B P, May, P, Tam, P P, Dennis
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Time-domain reflectometry studies onHalobacterium halobiumandHalobacterium marismortui

Physics in Medicine and Biology, 1996
The dielectric properties of Halobacterium halobium and Halobacterium marismortui measured over the frequency range 1 MHz to 1 GHz are compared with a single-shell model for interfacial polarization. In the case of Halobacterium halobium, the model shows excellent agreement with the experimental data for reasonable values of membrane and cytoplasmic ...
S, Bone, B Z, Ginzburg, H, Morgan, G, Wilson, B, Zaba   +4 more
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The membrane proteome of Halobacterium salinarum

PROTEOMICS, 2005
AbstractThe identification of 114 integral membrane proteins from Halobacterium salinarum was achieved using liquid chromatography/tandem mass spectrometric (LC/MS/MS) techniques, representing 20% of the predicted alpha‐helical transmembrane proteins of the genome.
Klein, C., Garcia-Rizo, C., Bisle, B., Scheffer, B., Zischka, H., Pfeiffer, F., Siedler, F., Oesterhelt, D.   +7 more
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Unusual physical organization of the Halobacterium genome

Nature, 1982
The genomes of the extremely halophilic bacteria, Halobacterium halobium and Halobacterium volcanii, contain many repeated sequences. These sequences comprise many families, seem to be highly mobile and are arranged in both clustered and dispersed fashions within these genomes.
C, Sapienza, W F, Doolittle
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Light energy conversion in halobacterium halobium

Journal of Supramolecular Structure, 1974
AbstractHalobacterium halobium carries out photophosphorylation. A rhodopsin‐like protein, bacteriorhodopsin, located in the cell membrane mediates the first step in energy transduction, the conversion of light energy into a chemiosmotic gradient. After absorption of a photon, bacteriorhodopsin undergoes a series of fast reactions, returning to its ...
W, Stoeckenius, R H, Lozier
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Biogenesis of the purple membrane of Halobacterium halobium

Biophysics of Structure and Mechanism, 1977
A protein closely resembling the purple membrane protein pre-exists in the cell membrane of H. halobium prior to the appearance of functional bacteriorhodopsin. It is associated with a differentiated membranous structure which has been isolated on a sucrose gradient and appears to be a precursor of the purple membrane.
A, Danon, M, Brith-Lindner, S R, Caplan
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Sensory Transduction in Halobacterium

1985
Bacteria can sense and integrate outside stimuli and adapt to new environmental conditions, thereby revealing a simple mode of behavior. By a temporal sensing mechanism, bacteria orient indirectly in a biased three-dimensional random walk which finally leads the cells to accumulate in favorable surroundings or to avoid unfavorable areas.
Eilo Hildebrand, Angelika Schimz
openaire   +1 more source

Photoacoustic calorimetry of Halobacterium halobium photocycle

Biochemical and Biophysical Research Communications, 1980
Summary Enthalpy changes that occur during the photocycle of Halobacterium halobium purple membrane fragments have been measured on a millisecond time scale, using photoacoustic detection to obtain modulation photocalorimetric data. Details are given on the ways to obtain quantitative thermodynamic and kinetic information by this method.
H, Garty, D, Cahen, S R, Caplan
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Dicyclohexylcarbodiimide-sensitive ATPase in Halobacterium saccharovorum

Archives of Biochemistry and Biophysics, 1985
Membranes from Halobacterium saccharovorum contained a cryptic ATPase which required Mg2+ or Mn2+ and was activated by Triton X-100. The optimal pH for ATP hydrolysis was 9-10. ATP or GTP were hydrolyzed at the same rate while ITP, CTP, and UTP were hydrolyzed at about half that rate. The products of ATP hydrolysis were ADP and phosphate.
H, Kristjansson, L I, Hochstein
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Repair of UV damage in Halobacterium salinarum

Biochemical Society Transactions, 2003
Halobacterium is one of the few known Archaea that tolerates high levels of sunlight in its natural environment. Photoreactivation is probably its most important strategy for surviving UV irradiation and we have shown that both of the major UV photoproducts, cyclobutane pyrimidine dimers (CPDs) and (6–4) photoproducts, can be very efficiently repaired ...
S, McCready, L, Marcello
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