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Series GSE15273 Query DataSets for GSE15273
Status Public on Apr 15, 2009
Title Diurnally synchronized transitions between oxic and anoxic physiologies in an archaeon, experiment "B"
Platform organism Halobacterium salinarum NRC-1
Sample organism Halobacterium salinarum
Experiment type Expression profiling by array
Summary By sensing changes in one or few environmental factors biological systems can anticipate future changes in multiple factors over a wide range of time scales (daily to seasonal). This anticipatory behavior is important to the fitness of diverse species, and in context of the diurnal cycle it is overall typical of eukaryotes and some photoautotrophic bacteria but is yet to be observed in archaea. Here, we report the first observation of light-dark (LD)-entrained diurnal oscillatory transcription in up to 12% of all genes of a halophilic archaeon Halobacterium salinarum NRC-1. Significantly, the diurnally entrained transcription was observed under constant darkness after removal of the LD stimulus (free-running rhythms). The memory of diurnal entrainment was also associated with the synchronization of oxic and anoxic physiologies to the LD cycle. Our results suggest that under nutrient limited conditions halophilic archaea take advantage of the causal influence of sunlight (via temperature) on O2 diffusivity in a closed hypersaline environment to streamline their physiology and operate oxically during nighttime and anoxically during daytime.
 
Overall design This publication consists of five experiments, known as A, B, C, Control-1, and Control-2. A,B, and C are entrained as described in the publication, and Control-1 and Control-2 were not entrained.
 
Contributor(s) Whitehead K, Pan M, Masumura K, Bonneau R, Baliga NS
Citation(s) 19424498
Submission date Mar 17, 2009
Last update date Jan 15, 2017
Contact name Dan Tenenbaum
Organization name Institute for Systems Biology
Street address 1441 N. 34th St.
City Seattle
State/province WA
ZIP/Postal code 98103
Country USA
 
Platforms (1)
GPL3739 ISB Halobacterium Spotted Microarray
Samples (38)
GSM381383 Halobacterium salinarum at OD=0.66, t=4110 min., Array 10076
GSM381384 Halobacterium salinarum at OD=0.66, t=4110 min., Array 10077
GSM381385 Halobacterium salinarum at OD=0.66, t=4110 min., Array 10078
This SubSeries is part of SuperSeries:
GSE15282 Diurnally synchronized transitions between oxic and anoxic physiologies in an archaeon
Relations
BioProject PRJNA123217

Download family Format
SOFT formatted family file(s) SOFTHelp
MINiML formatted family file(s) MINiMLHelp
Series Matrix File(s) TXTHelp

Supplementary file Size Download File type/resource
GSE15273_RAW.tar 40.5 Mb (http)(custom) TAR (of CSV)
Processed data included within Sample table

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