Microarray Analysis in the Archaeon Halobacterium salinarum Strain R1
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چکیده
منابع مشابه
Microarray Analysis in the Archaeon Halobacterium salinarum Strain R1
BACKGROUND Phototrophy of the extremely halophilic archaeon Halobacterium salinarum was explored for decades. The research was mainly focused on the expression of bacteriorhodopsin and its functional properties. In contrast, less is known about genome wide transcriptional changes and their impact on the physiological adaptation to phototrophy. The tool of choice to record transcriptional profil...
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Phosphate is essential for life on earth, since it is an integral part of important biomolecules. The mechanisms applied by bacteria and eukarya to combat phosphate limitation are fairly well understood. However, it is not known how archaea sense phosphate limitation or which genes are regulated upon limitation. We conducted a microarray analysis to explore the phosphate-dependent gene expressi...
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We report the sequence of the Halobacterium salinarum strain R1 chromosome and its four megaplasmids. Our set of protein-coding genes is supported by extensive proteomic and sequence homology data. The structures of the plasmids, which show three large-scale duplications (adding up to 100 kb), were unequivocally confirmed by cosmid analysis. The chromosome of strain R1 is completely colinear an...
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It was recently shown that haloarchaeal strains of different genera are able to adhere to surfaces and form surface-attached biofilms. However, the surface structures mediating the adhesion were still unknown. We have identified a novel surface structure with Halobacterium salinarum strain R1, crucial for surface adhesion. Electron microscopic studies of surface-attached cells frequently showed...
متن کاملAnalysis of Protein Phosphorylation in Halobacterium salinarum
Protein phosphorylation plays an important role in the two-component system based signal transduction pathways in bacteria and in archaea. These cascades have been identified also in the extremely halophilic archaeon Halobacterium salinarum and are well understood. Beside these protein phosphorylation events in which phosphorylation of histidine and aspartate residues are crucial, only little i...
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ژورنال
عنوان ژورنال: PLoS ONE
سال: 2007
ISSN: 1932-6203
DOI: 10.1371/journal.pone.0001064