Acidianus brierleyi
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REPOSITORIES: ENA
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Project description:Genome reorganization by large scale indels, gene displacements, and horizontal gene transfers allow an organism to re-organize genes into operons (“operonization”) and explore novel strategies for adapting to its changing environment. We have characterized the process of operonization by mapping and comparing transcriptome structures (TSs) of four phylogenetically diverse exptremophilic archaea: a hydrogenotrophic methanogen (Methanococcus maripaludis S2), an anaerobic thermophile (Pyrococcus furiosis DSM 3638), an acidophilic and aerobic thermophile (Sulfolobus solfataricus P2), and a photoheterotrophic halophile (Halobacterium salinarum NRC-1). We demonstrate how the evolution of new transcriptional elements (promoters and terminators) is utilized as a mechanism to incorporate translocated, inverted, and newly acquired genes into existing gene regulatory programs. This SuperSeries is composed of the following subset Series: GSE26777: Methanococcus maripaludis S2 growth curve, tiling arrays GSE26778: Pyrococcus furiosus DSM 3638 growth curve, tiling arrays GSE26779: Sulfolobus solfataricus P2 growth curve, tiling arrays Refer to individual Series
2011-06-27 | E-GEOD-26782 | biostudies-arrayexpress
Project description:Genome reorganization by large scale indels, gene displacements, and horizontal gene transfers allow an organism to re-organize genes into operons (“operonization”) and explore novel strategies for adapting to its changing environment. We have characterized the process of operonization by mapping and comparing transcriptome structures (TSs) of four phylogenetically diverse exptremophilic archaea: a hydrogenotrophic methanogen (Methanococcus maripaludis S2), an anaerobic thermophile (Pyrococcus furiosis DSM 3638), an acidophilic and aerobic thermophile (Sulfolobus solfataricus P2), and a photoheterotrophic halophile (Halobacterium salinarum NRC-1). We demonstrate how the evolution of new transcriptional elements (promoters and terminators) is utilized as a mechanism to incorporate translocated, inverted, and newly acquired genes into existing gene regulatory programs. This SuperSeries is composed of the SubSeries listed below.
2011-06-27 | GSE26782 | GEO
Project description:Cold stress greatly affects plant growth and crop yield. To identify novel genes and possible mechanisms involved in chilling tolerance responses in rice seedlings, RNA sequencing (RNA-seq) technology was used for genome-wide gene expression profiling analysis to compare three cold-tolerant genotypes and one cold-sensitive genotype under both normal temperature and cold stress treatments.
2013-07-11 | E-MTAB-4407 | biostudies-arrayexpress
Project description:Full title: Environmental transcriptome analysis of LfeRT32a in its natural microbial community comparing the biofilm and planktonic modes of life. Extreme acidic environments are characterized among other features by the high metal content and the lack of nutrients (oligotrophy). Macroscopic biofilms and filaments usually grow on the water-air interface or under the stream attached to solid substrates (streamers). In the Tinto River (Spain), brown filaments develop under the water stream where the Gram-negative iron-oxidizing bacteria Leptospirillum ferrooxidans and Acidithiobacillus ferrooxidans are abundant. Both microorganisms play a critical role in bioleaching processes for industrial (biominery) and environmental applications (acid mine drainage, bioremediation). The aim of this study was to investigate the physiological differences between the free living (planktonic) and the sessile (biofilm associated) lifestyles of L. ferrooxidans as part of a natural extremely acidophilic community.
2016-06-23 | GSE20267 | GEO