Results 41 to 50 of about 41,567 (188)

Molecular mechanisms of adaptation of the moderately halophilic bacterium Halobacillis halophilus to its environment [PDF]

open access: yes, 2013
The capability of osmoadaptation is a prerequisite of organisms that live in an environment with changing salinities. Halobacillus halophilus is a moderately halophilic bacterium that grows between 0.4 and 3 M NaCl by accumulating both chloride and ...
Inga Hänelt   +3 more
core   +1 more source

Experimental characterization of Cis-acting elements important for translation and transcription in Halophilic Archaea [PDF]

open access: yes, 2007
Summary The basal transcription apparatus of archaea is well characterized. However, much less is known about the mechanisms of transcription termination and translation initation.
Jörg Soppa   +11 more
core   +2 more sources

Nitrogen regulation of protein–protein interactions and transcript levels of GlnK PII regulator and AmtB ammonium transporter homologs in Archaea [PDF]

open access: yes, 2013
Gene homologs of GlnK PII regulators and AmtB-type ammonium transporters are often paired on prokaryotic genomes, suggesting these proteins share an ancient functional relationship.
Soppa, Jörg   +6 more
core   +1 more source

Protein acetylation in archaea, bacteria, and eukaryotes [PDF]

open access: yes, 2010
Proteins can be acetylated at the alpha-amino group of the N-terminal amino acid (methionine or the penultimate amino acid after methionine removal) or at the epsilon-amino group of internal lysines.
Soppa, Jörg (Prof. Dr.)
core   +1 more source

A comprehensive analysis of the importance of translation initiation factors for Haloferax volcanii applying deletion and conditional depletion mutants [PDF]

open access: yes, 2013
Translation is an important step in gene expression. The initiation of translation is phylogenetically diverse, since currently five different initiation mechanisms are known.
Jörg Soppa   +14 more
core   +1 more source

Genome-wide analysis of growth phase-dependent translational and transcriptional regulation in halophilic archaea : research article [PDF]

open access: yes, 2007
Background Differential expression of genes can be regulated on many different levels. Most global studies of gene regulation concentrate on transcript level regulation, and very few global analyses of differential translational efficiencies exist.
Schuster Stephan C   +31 more
core   +1 more source

Quantification of ploidy in proteobacteria revealed the existence of monoploid, (mero-)oligoploid and polyploid species [PDF]

open access: yes, 2011
Bacteria are generally assumed to be monoploid (haploid). This assumption is mainly based on generalization of the results obtained with the most intensely studied model bacterium, Escherichia coli (a gamma-proteobacterium), which is monoploid during ...
Jörg Soppa   +7 more
core   +1 more source

Proteomic properties reveal phyloecological clusters of Archaea.

open access: yesPLoS ONE, 2012
In this study, we propose a novel way to describe the variety of environmental adaptations of Archaea. We have clustered 57 Archaea by using a non-redundant set of proteomic features, and verified that the clusters correspond to environmental adaptations
Nela Nikolic, Zlatko Smole, Anita Krisko
doaj   +1 more source

Differential regulation of Ota and Otb, two primary glycine betaine transporters in the methanogenic archaeon Methanosarcina mazei go1 [PDF]

open access: yes, 2008
Methanogenic archaea accumulate glycine betaine in response to hypersalinity, but the regulation of proteins involved, their mechanism of activation and regulation of the corresponding genes are largely unknown.
Schmidt, S.   +5 more
core   +1 more source

Systems analysis of bioenergetics and growth of the extreme halophile Halobacterium salinarum [PDF]

open access: yes, 2009
Halobacterium salinarum is a bioenergetically flexible, halophilic microorganism that can generate energy by respiration, photosynthesis, and the fermentation of arginine.
Mendoza, Eduardo   +24 more
core   +2 more sources

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