Project description:We report the characterization of GntR-like regulator in the Archaeon Sulfolobus acidocaldarius by looking at the genome wide interaction map of the protein in vivo
Project description:We report the regulon of a GntR-like regulator from the archaeon Sulfolobus acidocaldarius by looking at differentially expressed genes comparing a YtrASa overexpression strain with its isogenic wild ype
Project description:Analysis of transcriptional response to UV irradiation in two related crenarchaea, Sulfolobus solfataricus and 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.
Project description:This is ChIPseq result of FadR, 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.
Project description:Small RNAs and L7Ae co-immunoprecipitated RNA were isolated from the thermophilic archaeon Sulfolobus acidocaldarius and subjected to Illumina sequencing. The sRNome revealed a high abundance of C/D box sRNAs and CRISPR RNAs. The L7Ae-RNA interactome showed enrichment of all known interactors of the L7Ae protein, i.e. C/D box sRNAs, H/ACA box sRNAs, RNaseP, rRNA. A high abundance of reads for the SRP RNA was found, suggesting L7Ae´s interaction with this universal RNA. Many mRNA reads were enriched, several of them comprise binding sites for the L7Ae protein.
Project description:To study the cellular global response of the thermoacidophilic Archaeon Sulfolobus acidocaldarius upon solvent exposure we performed transcriptome comparing the response of planktonic and biofilm cells in absence and presence 1-butanol. S. acidocaldarius was grown in Petri dishes (static incubation) in the absence and presence of 0.5% and 1% (v/v) 1-butanol at 76°C for four days. Planktonic and biofilm cells were harvested and the transcriptional response towards 1-butanol was analysed via RNA-seq. In detail:Biofilm and planktonic cell samples (supernatant after static incubation) were generated in Petri dishes (92 x 16 mm, Polystyrene, without cams, Sarstedt) as described before. Cells grown under six different conditions, including Biofilm-Control (BF0), Biofilm-0.5% (v/v) 1-Butanol (BF05), Biofilm-1% (v/v) 1-Butanol (BF1), Planktonic-Control (PL0), Planktonic-0.5% (v/v) 1-Butanol (PL05), Planktonic-1% (v/v) 1-Butanol (PL1), were seperated, harvested by centrifugation (10 min, 5,000 x g, 4 °C) and immediately frozen at -70 °C. Isolation of cells was performed in triplicates with ten technical replicas each. Samples were pooled to obtain sufficient cell mass for further processing. RNA was isolated using Trizol (Thermo Fisher Scientific). In accordance, sequencing libraries were prepared via Illumina TruSeq stranded mRNA using Ribozero for RNA depletion. Sequencing was performed on a MiSeq instrument (Illumina, San Diego, California, USA) using v3 chemistry with a read length of 2x76 nt.
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.
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.