Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| Other | ||||
| SRR32799347_1.fastq.gz | Fastqsanger.gz | |||
| SRR32799347_2.fastq.gz | Fastqsanger.gz | |||
| SRR32799348_1.fastq.gz | Fastqsanger.gz | |||
| SRR32799348_2.fastq.gz | Fastqsanger.gz |
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Project description:ReeS, previously named as CPE1512, was originally annotated as the only hybrid sensor histidine kinase/response regulator in Clostridium perfringens. Further evidence suggests that ReeS is more likely to function as an orphan sensor histidine kinase. A reeS deletion mutant was constructed and the transcriptome analysed using microarrays. Total RNA was isolated from the reeS mutant and the wild-type control cells during exponential phase growth. Gene expression levels were compared between the reeS mutant and wild-type strain 13
2013-08-31 | E-GEOD-36786 | biostudies-arrayexpress
Project description:ReeS, previously named as CPE1512, was originally annotated as the only hybrid sensor histidine kinase/response regulator in Clostridium perfringens. Further evidence suggests that ReeS is more likely to function as an orphan sensor histidine kinase. A reeS deletion mutant was constructed and the transcriptome analysed using microarrays.
2013-08-31 | GSE36786 | GEO
Project description:Purpose; Here we compare the transcriptomic effects of three REEs; Ce, Tm and Y, and a mixture of all three on Chlamydomonas reinhardtii in order to determine the degree of overlap of their effects. Methods; Transcriptome profiling (RNA-Seq) analysis performed on Chlamydomonas reinhardtii (wild-type strain, CC-125 aka 137c, Chlamydomonas resource center) exposed for 2 h to one of three soluble REEs (Ce, Tm, Y) salts at 0.5 μM or to an equimolar ternary mixture of these REEs. Illumina HiSeq (v.4) was used for the paired-end sequencing (2 × 100 base pairs) of 25 samples (5 replicates for each treatment: Ce; Tm; Y; Mix; Controls). For each sample, ca. 55 million of reads with their sequences, identification and quality scores were stored in two FastQ files. Results; Known functions of the differentially expressed genes support effects of REEs on protein processing in the endoplasmic reticulum, phosphate transport and the homeostasis of Fe and Ca. The only stress response detected related to protein misfolding in the endoplasmic reticulum. When the REEs were applied as a mixture, antagonistic effects were overwhelmingly observed with transcriptomic results suggesting that the REEs were initially competing with each other for bio-uptake. Conclusions; Our study represents the first detailed analysis of REE transcriptomic effects in a green microalga that is ubiquitous to fresh waters. Results generated by RNA-seq technology suggest that the approach of government agencies to regulate the REEs using biological effects data from single metal exposures may be a largely conservative approach.
2021-06-14 | GSE176268 | GEO
Project description:Until recently, rare-earth elements (REEs) had been thought to be biologically inactive. This view changed with the discovery of the methanol dehydrogenase (Mdh) XoxF that strictly relies on REEs for its activity. Some methylotrophs only contain xoxF, while others, including the model phyllosphere colonizer Methylobacterium extorquens PA1, harbor this gene in addition to mxaFI encoding a Ca2+-dependent enzyme. Here we found that REEs induce the expression of xoxF in M. extorquens PA1, while repressing mxaFI, suggesting that XoxF is the preferred Mdh. Using reporter assays and a suppressor screen, we found that La3+ is sensed both in a XoxF-dependent and independent manner. Furthermore, we investigated the role of REEs during Arabidopsis thaliana colonization. Element analysis of the phyllosphere revealed the presence of several REEs at concentrations up to 10 μg per g dry weight. Complementary proteome analyses of M. extorquens PA1 revealed XoxF as a top induced protein in planta and resulted in the identification of a core set of La3+-regulated proteins under defined artificial media conditions. Among these, we identified a potential REE-binding protein that is encoded next to a gene for a TonB-dependent transporter. The latter was essential for REE-dependent growth on methanol indicating chelator-assisted uptake of REEs.
2019-01-21 | PXD011842 | Pride