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Caulobacter vibrioides CB15

ABSTRACT: High-resolution mapping of the spatial organization of Caulobacter crescentus chromosome by chromosome conformation capture in conjunction with next-generation sequencing (Hi-C)

PROVIDER: PRJNA196826 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR824843_1.fastq.gz	Fastqsanger.gz
	SRR824843_2.fastq.gz	Fastqsanger.gz
	SRR824844_1.fastq.gz	Fastqsanger.gz
	SRR824844_2.fastq.gz	Fastqsanger.gz
	SRR824846_1.fastq.gz	Fastqsanger.gz

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Caulobacter vibrioides CB15

Project description:Caulobacter crescentus GsrN transcriptome

| PRJNA415308 | ENA

High-resolution mapping of the spatial organization of Caulobacter crescentus chromosome by chromosome conformation capture in conjunction with next-generation sequencing (Hi-C)

Project description:Chromosomes must be highly compacted and organized within cells, but how this is achieved in vivo remains poorly understood. We report the first use of Hi-C to map the structure of bacterial chromosomes at a high, unprecedented resolution. Analysis of Hi-C data and polymer modeling indicates that the Caulobacter crescentus chromosome consists of multiple, largely independent spatial domains likely comprised of supercoiled plectonemes arrayed into a bottlebrush-like fiber. These domains are stable throughout the cell cycle and re-established concomitantly with DNA replication. We provide strong evidence that domain boundaries are established by highly-expressed genes and the formation of plectoneme-free regions. Additionally, we use Hi-C to demonstrate that supercoiling, the histone-like protein HU, and SMC act at different length-scales and in complementary ways to organize and structure chromosomes within cells. Hi-C experiments were performed on untreated wild type swarmer cells and drug-treated swarmer cells (Novobiocin or Rifampicin) of Caulobacter crescentus CB15N. Hi-C were also performed on swarmer cells of smc knock-out and hup1hup2 knock-out mutants of Caulobacter crescentus. Time-course Hi-C were performed on a synchronous population of Caulobacter crescentus at 5, 10, 30, 45, 60 and 75 minutes after synchronization. The progression of DNA replication during the cell cycle was followed by total genomic DNA sequencing.

2013-10-30 | E-GEOD-45966 | biostudies-arrayexpress

Caulobacter vibrioides NA1000

Project description:Expression analysis of Caulobacter crescentus NA1000 Plac::CCNA_00382 (ccrM) vs Caulobacter crescentus

| PRJNA229895 | ENA

Caulobacter vibrioides

Project description:Expression data from Caulobacter crescentus starved for carbon

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Caulobacter vibrioides NA1000

Project description:Expression analysis of Caulobacter crescentus NA1000 delta-CCNA_00382 (ccrM) [DccrM] vs Caulobacter crescentus NA1000 wild type [WT]

| PRJNA227736 | ENA

Caulobacter vibrioides

Project description:Measuring the effects of hypoxia on transcription in Caulobacter crescentus

| PRJNA126637 | ENA

Expression analysis of Caulobacter crescentus NA1000 Plac::CCNA_00382 (ccrM) vs Caulobacter crescentus

Project description:Investigation of whole genome gene expression level changes in a Caulonacter crescentus NA1000 Plac::CCNA_00382 (ccrM) mutant, compared to the wild-type strain. The mutations engineered into this strain cause the CcrM DNA methyltransferase to be overexpressed and the chromosome to be constitutively methylated at the adenine at GANTC motifs. References of strains: CcrMOE: Collier, J. and Shapiro, L. (2009) Feedback control of DnaA-mediated replication initiation by replisome-associated HdaA protein in Caulobacter. J Bacteriol, 191, 5706-5716. WT: Marks, M.E., Castro-Rojas, C.M., Teiling, C., Du, L., Kapatral, V., Walunas, T.L. and Crosson, S. (2010) The genetic basis of laboratory adaptation in Caulobacter crescentus. J Bacteriol, 192, 3678-3688; Collier, J. and Shapiro, L. (2009) Feedback control of DnaA-mediated replication initiation by replisome-associated HdaA protein in Caulobacter. J Bacteriol, 191, 5706-5716. A six chip study using total RNA recovered from three separate wild-type cultures of Caulonacter crescentus NA1000 and three separate cultures of a triple mutant strain, Caulonacter crescentus NA1000 Plac::CCNA_00382 (ccrM), in which the ccrM gene coding for a DNA methyltransferase methylating the adenine in GANTC motifs is truncated and its product inactive. Each chip measures the expression level of 3933 genes from Caulobacter crescentus NA1000 with 3 probes per gene and with three-fold technical redundancy.

2014-01-08 | E-GEOD-52722 | biostudies-arrayexpress

Caulobacter vibrioides

Project description:DnaA coordinates replication initiation and cell cycle transcription in Caulobacter crescentus

| PRJNA92711 | ENA

Caulobacter vibrioides

Project description:RNA-Seq analysis of Caulobacter crescentus wild-type and delta_hfq (CJW5477) strains

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Caulobacter crescentus starved for carbon

Project description:This SuperSeries is composed of the following subset Series: GSE25996: Expression data from Caulobacter crescentus starved for carbon GSE25997: Expression data from Caulobacter crescentus (syn. C. vibrioides) swarmer and stalked cells starved for carbon GSE25998: Expression data from WT, DSigT and DSigU Caulobacter crescentus (syn. C. vibrioides) starved for carbon Refer to individual Series

2011-04-20 | E-GEOD-25999 | biostudies-arrayexpress

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