Biomaibacter acetigenes
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA497928 | ENA |
REPOSITORIES: ENA
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Project description:Biomaibacter acetigenes strain:SK-G1 Genome sequencing and assembly
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Project description:Biomaibacter acetigenes strain:SK-G1 Genome sequencing and assembly
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Project description:Sporanaerobacter acetigenes overview
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Project description:Little is known about genes that promote melanoma cell growth and proliferation. siRNAs may be used to address the role of individual genesin these processes. RNAi library screens were used in the past to gain a comprehensive overview of all genes involved in cell growth, proliferation, migration and other cellular processes. A large-scale loss-of-function screen for eight different melanoma cell lines was performed using a pooled lentiviral shRNA library (GeneNet Human 50K lentiviral shRNA Library,cat#SI206B-1, System Biosciences) to identify genes relevant for melanoma cell growth and proliferation. shRNAs that lead to cell death or reduced growth of transduced melanoma cells are negatively selected and thereby underrepresented in the final cellular shRNA pool and vice versa. The shRNAs of the shRNA library (3-5 per gene) have complementary sequences to probes on the custom Affymetrix microarray HG-U133Plus2 and were analysed using this array. Well-known melanoma cell lines SK-Mel-103, A375, SK-Mel-147, SK-Mel-19, SK-Mel-28, SK-Mel-29, SK-Mel-5, WM3523cln6 were transduced with the lentiviral shRNA library and grown for 10 days under puromycin selection (day 10), control cells of respective cell lines were transduced and frozen immediately after transduction and genomic integration of shRNAs (day 0). Totel DNA was extracted and genomically integrated shRNAs were hybridized to Affymetrix microarrays (HG-U133Plus2.0 array).
2014-01-24 | E-GEOD-46675 | biostudies-arrayexpress
Project description:We report that ancestral zinc-finger-domain transcriptional regulators, previously reported to control virulence/symbiosis, implement a cell cycle (S→G1) transcriptional switch. To unravel how this G1-phase transcriptional program is reinstated during a primitive cell cycle, we first defined G1-specific promoters in the model bacterium Caulobacter crescentus by comparative ChIP-Seq analysis. We then exploited one such promoter as genetic proxy, to identify two conserved developmental regulator paralogs, MucR1/2, that constitute a quadripartite and homeostatic regulatory module directing the switch from S→G1-phase transcription. Surprisingly, MucR orthologs that regulate virulence and symbiosis gene transcription in Brucella, Agrobacterium or Sinorhizobium support the G1 transcriptional switch in Caulobacter. Pan-genomic ChIP-Seq analyses in Sinorhizobium and Caulobacter show that this module targets orthologous genes. Thus, this ancestral bacterial lineage from which eukaryotic organelles descended may coordinate virulence/symbiosis with other cell cycle functions using a primordial transcription factor fold that is now primarily found in the eukaryotic domain of life.
2014-05-25 | GSE52849 | GEO
Project description:We report that ancestral zinc-finger-domain transcriptional regulators, previously reported to control virulence/symbiosis, implement a cell cycle (SM-bM-^FM-^RG1) transcriptional switch. To unravel how this G1-phase transcriptional program is reinstated during a primitive cell cycle, we first defined G1-specific promoters in the model bacterium Caulobacter crescentus by comparative ChIP-Seq analysis. We then exploited one such promoter as genetic proxy, to identify two conserved developmental regulator paralogs, MucR1/2, that constitute a quadripartite and homeostatic regulatory module directing the switch from SM-bM-^FM-^RG1-phase transcription. Surprisingly, MucR orthologs that regulate virulence and symbiosis gene transcription in Brucella, Agrobacterium or Sinorhizobium support the G1 transcriptional switch in Caulobacter. Pan-genomic ChIP-Seq analyses in Sinorhizobium and Caulobacter show that this module targets orthologous genes. Thus, this ancestral bacterial lineage from which eukaryotic organelles descended may coordinate virulence/symbiosis with other cell cycle functions using a primordial transcription factor fold that is now primarily found in the eukaryotic domain of life. Examination of 5 transcripton factor binding in two different species
2014-05-25 | E-GEOD-52849 | biostudies-arrayexpress
Project description:Here we report a novel role for H2A.Z.2 (H2AFV) as a mediator of cell proliferation and sensitivity to targeted therapies in malignant melanoma. While both H2A.Z.1 and H2A.Z.2 are highly expressed in metastatic melanoma and correlate with decreased patient survival, only H2A.Z.2 deficiency results in impaired cellular proliferation of melanoma cells, which occurs via a G1/S arrest. Integrated gene expression and ChIP-seq analyses revealed that H2A.Z.2 positively regulates E2F target genes, and that such genes acquire a distinct H2A.Z occupancy signature over the promoter and gene body in metastatic melanoma cells. We further identified the BET family member BRD2 as an H2A.Z-interacting protein in melanoma cells, and demonstrate that H2A.Z.2 silencing cooperates with BET inhibition to induce cell death. Mononucleosomes from SK-mel147 (wt and stably expressing eGFP-H2A. eGFP-H2A.Z.1 and eGFP-H2A.Z.2) and melanocytes were isolated for ChIP with H2A.Z antibody or GFP trap beads (Chromotek).
2015-07-01 | E-GEOD-68222 | biostudies-arrayexpress
Project description:We report the genome sequence of Sporanaerobacter acetigenes strain F-12, isolated from the rumen of a steer grazing on Rhodes grass in Townsville (Lansdown Research Station), Queensland, Australia. This draft genome consists of 2,866,191 bp, with 31.23% G+C content and 2,889 predicted coding sequences.
| S-EPMC6658694 | biostudies-literature
Project description:To reveal fast-acting transcriptional effects of SWI/SNF inhibition in neuroblastoma cells, we performed 4sU metabolic labeling followed by RNA-seq in IMR-32, KELLY, and SK-N-DZ cells and compared the effects of BRM014 with DMSO vehicle control. We also compared these effects to auxin-induced degradation of SMARCA4 in engineered cells with the minimal auxin-induced degron (SMARCA4-mAID). Analysis of transcripts reveal that SMARCA4 inhibition leads to suppression of transcripts involved in the G1 checkpoint.
2023-10-24 | GSE190708 | GEO
Project description:We report the application of chromatin immunoprecipitation coupled with high-throughput sequencing (ChIP-seq) for high-throughput profiling of H3K27me3 modifications in sk-hep-1(sk), sk-hep-1-shEZH2 (sks) and LO2 cells. Following standard ChIP procedure, 10 ng of each DNA sample was used for Illumina sequencing. Statistically significant ChIP-enriched regions (peaks) were identified by sk vs sks (p-value threshold of 10-2) or sk vs LO2 (p-value threshold of 10-3). Enriched peaks were annotated by the nearest gene using the newest UCSC RefSeq database. We identify genes modified by EZH2-mediated H3K27me3. This study provides insights into these down stream genes modified by EZH2 regulated H3K27me3 in HCC cell lines.
2015-08-13 | GSE68758 | GEO