Project description:Developing a psoralen probe (PP)-based method for RNA tagging and RNA-protein complex (RP-complex) enrichment, isolating of both coding and noncoding RNAs from HeLa cells was achieved by PP enrichment. Exploring the type and relative distribution of the PP isolated RNAs by RNA-sequencing analysis.

2021-06-30 | GSE163230 | GEO

Comamonadaceae bacterium PP-2

Project description:Comamonadaceae bacterium PP-2 Genome sequencing and assembly

| PRJNA1083960 | ENA

Transcriptome analysis of Y79 retinoblastoma cells upon Lysyl oxidase propeptide (LOX-PP) overexpression

Project description:Lysyl oxidase (LOX) is an copper dependent amine oxidase enzyme involved in cross linking of collagens and elastins. Lysyl oxidase propeptide (LOX-PP) is 18 kDa region cleaved during maturation of LOX and its anti-tumorigenic role were studied in various cancers. The effect of LOX-PP overexpression in retinoblastoma cancer cells (Y79) using transient transfection of LOX-PP gene accessed for global gene deregulations. The analysis resulted in RB cancer cell death through deregulation of retinoblastoma in cancer, cell cycle, apoptosis, focal adhesion-PI3K-AKT signaling and DNA repair mechanism pathway. Further validations were done using RT-PCR and western blot analysis. Our results provide evidence that inducing apoptosis through AKT-NFκB signaling.

2019-09-01 | GSE119413 | GEO

Compost-derived bacterial communities enriched in sorghum biomass

Project description:Compost-derived bacterial communities enriched in sorghum biomass Targeted loci environmental

| PRJNA870498 | ENA

Bacterial communities from blueberry field soil in Maine

Project description:Bacterial communities from blueberry field soil in Maine Targeted loci environmental

| PRJNA925843 | ENA

Role of pp-ips in rpd3 complex and the environmental stress response (ESR)

Project description:Cells respond to stress and starvation by adjusting their growth rate and enacting stress defense programs. In eukaryotes this involves inactivation of TORC1, which in turn triggers downregulation of ribosome and protein synthesis genes and upregulation of stress response genes. Here we report that the highly conserved inositol pyrophosphate second messengers (including 1-PP-IP5, 5-PP-IP4, and 5-PP-IP5) are also critical regulators of cell growth and the general stress response, acting in parallel to the TORC1 pathway to control the activity of the class I HDAC Rpd3L. In fact, yeast cells that cannot synthesize any of the PP-IPs mount little to no transcriptional response in osmotic, heat, or oxidative stress. Furthermore, PP-IP dependent regulation of Rpd3L occurs independently of the role individual PP-IPs (such as 5-PP-IP5) play in activating specialized stress/starvation response pathways. Thus, the PP-IP second messengers simultaneously activate and tune the global response to stress and starvation signals. 2-condition experiments. Includes the responses of wild-type (ACY 044) and mutant yeast strains (all are W303 background) to log growth and stress conditions. This series of microarrays were performed on null mutants of various genes in the inositol pyrophosphate synthesis pathway, including several members of the Rpd3L histone deacetylase complex. All mutants were made in W303 strain, MatA yeast, using standard techniques (homologous recombination). Several stress conditions were tested, including heat-shock, oxidative (H2O2), and osmotic stress (0.375M KCl). Cells in mid-log growth were subjected to stress for 20 minutes. In one instance the TOR inhibitor rapamycin was added to determine whether PP-IPs act above/at or below TORC1 in activating the ESR. Taken together, these microarrays show the role of the inositol pyrophosphate synthesis pathway in activating the ESR in stress.

2013-03-22 | E-GEOD-45370 | biostudies-arrayexpress

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