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Cellular stress response of Sulfolobus acidocaldarius to nutrient limitation

ABSTRACT: Cellular stress response of Sulfolobus acidocaldarius to nutrient limitation

PROVIDER: PRJNA453776 | ENA |

REPOSITORIES: ENA

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Cellular stress response of Sulfolobus acidocaldarius to nutrient limitation

Project description:This study provides novel insights into archaeal stress response. The effect of nutrient limitation on the thermoacidophilic crenarchaeon Sulfolobus acidocaldarius was monitored over time on transcriptomic, proteomic and metabolic level. To our knowledge, this linkage of transcriptome, proteome, metabolome analysis makes this study a pioneer study to elucidate cellular stress response triggered by nutrient limitation. We further connect previously identified pH and salt stress responsive genes (1) with genes regulated in starvation and suggest that they constitute the core of stress responsive genes active under multiple stress sources.

2018-12-21 | GSE113716 | GEO

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Project description:We performed a comprehensive study to unravel the overall transcriptomic, proteomic and metabolic changes that take places over time when S. acidocaldarius cells are exposed to nutrient limitation.

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Transcription profiling of hyperthermophilic crenarchaea Sulfolobus solfataricus and Sulfolobus acidocaldarius to UV irradiation

Project description:Analysis of transcriptional response to UV irradiation in two related crenarchaea, Sulfolobus solfataricus and Sulfolobus acidocaldarius.

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Sulfolobus acidocaldarius phosphoproteome

Project description:Shotgun phosphoproteome of Sulfolobus acidocaldarius using PAciFIC technique. Briefly, proteins were denatured, alkylated, trypsine digestion, SCX separation Fractionated peptides were analysed on Bruker HCTultra. Data processing and bioinformatics: data from mass spectrometry were then extracted to mgf format using Bruker Data Analysis V4.0 with a MRM script, these were then were searched against the Sulfolobus acidocaldarius database (containing 2223 proteins) downloaded from NCBI in March 2010 using Phenyx V 2.6 (Genebio, Geneva). The searches were performed using parameters as follows: carbamidomethylation of cysteine (fixed modification), oxidation of methionine (variation), and phosphorylation of serine, tyrosine, threonine (variation), trypsin with 2 missed cleavages. Furthermore, other parameters such as parent, MS/MS, tolerances were set at 2.0 and 0.8 Da, respectively, whilst minimum peptide length, z-score, p-value and AC score were set at 5, 5.5, 10-5, and 5.5 respectively.

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Transcriptome analysis of Sulfolobus acidocaldarius DSM 639 under sugar-free and sugar-rich conditions

Project description:Sulfolobus acidocaldarius is an obligate aerobe that grows in hot and acidic environments. S. acidocaldarius have been reported to grow on a variety of organic compounds as carbon and energy sources. However, little is known about systemic elucidation of carbon utilization for biomass formation and energy metabolism in S. acidocaldarius. In this analysis, the effect of glucose on genome-wide transcriptional profiling in S. acidocaldarius DSM 639 was investigated by RNA-Seq technology.

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The genome-scale DNA-binding of FadR transcription factor in Sulfolobus acidocaldarius

Project description:This is ChIPseq result of FadR (Saci_1107), which is the only TetR family regulator presented in Sulfolobus acidocaldarius. The aim of the study is to gain insights into the function of TetR regulator by analyzing its whole genome binding sites.

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The genome-scale DNA-binding of FadR transcription factor in Sulfolobus acidocaldarius

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Sulfolobus acidocaldarius

Project description:Sulfolobus acidocaldarius Genome sequencing and assembly

| PRJNA304349 | ENA

Early Response of Sulfolobus acidocaldarius to Nutrient Limitation.

Project description: Not available

| S-EPMC6335949 | biostudies-literature

Transcription profiling of synchronized Sulfolobus acidocaldarius populations as they progress through the cell cycle

Project description:Exponentially growing Sulfolobus acidocaldarius were treated with NaAc to generate replication runout and arrest in G2 phase. The cells were then resuspended in fresh acetate-free media which generates a synchronous population. Samples for investigation of gene expression change were taken during the synchronised populations progress through the cell cycle.

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