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Mycoplasma gallisepticum

ABSTRACT: Global changes in Mycoplasma gallisepticum Phase-Variable Lipoprotein Gene vlhA Expression during in vivo infection of the natural chicken host

PROVIDER: PRJNA302449 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR2920130_1.fastq.gz	Fastqsanger.gz
	SRR2920130_2.fastq.gz	Fastqsanger.gz
	SRR2920140_1.fastq.gz	Fastqsanger.gz
	SRR2920140_2.fastq.gz	Fastqsanger.gz
	SRR2920150_1.fastq.gz	Fastqsanger.gz

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Mycoplasma gallisepticum: Rlow vs. F

Project description:Mycoplasma gallisepticum transcriptome comparison between in vitro grown cultures of strains Rlow and F utilizing oligo DNA microarrays.

2010-01-07 | GSE19755 | GEO

Transcription profiling of different state of Mycoplasma gallisepticum

Project description:Mycoplasma gallisepticum is a convenient model object for studying the regulation of transcription because it has a reduced genome, lack of cell wall and many metabolic pathways, and also easy to culture and non-pathogenic to humans. For rapid investigation of gene expression we developed microarray design including 3 366 probes for 678 genes. They included 665 protein coding sequences and 13 antisense RNAs from 816 genes and 17 ncRNAs present in Mycoplasma gallisepticum. This work was carried out transcriptomic profiling for different types of effects on the expression of genes of Mycoplasma gallisepticum: 1) genetic knock-out mutants; 2) cell culture exposed to sublethal concentrations of antibiotics; and 3) well-characterized heat stress effect. The study was performed on Agilent one-color microarray with custom design and random-T7 polymerase primer for cDNA synthesis. Using set of different probes for each gene or ncRNA allows to increase accuracy of gene expression quality.

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Mycoplasma gallisepticum: Rlow vs. F

Project description:Mycoplasma gallisepticum transcriptome comparison between in vitro grown cultures of strains Rlow and F utilizing oligo DNA microarrays. Two-condition experiment, Rlow vs. F strain cells. Biological replicates: 3. 1 technical replicate per biological replicate which includes a dye swap.

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Mycoplasma gallisepticum Lipid Associated Membrane Proteins Up-regulate Inflammatory Genes in Chicken Tracheal Epithelial Cells via TLR-2 Ligation Through an NF-M-NM-:B Dependent Pathway

Project description:To identify differential gene expression profiles of chicken tracheal epithelial cells (TECs) upon exposure to Mycoplasma gallisepticum virulent strain Rlow and avirulent strain Rhigh and corresponding lipid associated membrane proteins(LAMP) at 1.5 hours in vitro. Goal of this experiment was to identify relative comtribution of LAMPs in up-regulation of inflammatory gene compared to the live strains. Several genes were identified to be differentially regulated in all exposures, but the virulent strain up-regulated more number genes as well as at a higher extent. We identified 6 important inflammatory mediators and did confirmatory RT-qPCR analysis at 1.5, 6 and 24 hours in vitro as well as at 1.5 and 6 hours ex-vivo. RT-qPCR was also employed to identify expression of these 6 genes in presence of different signalling inhibitors and we were able to identify that Mycoplasma gallisepticum LAMPs up-regulate these inflammatory genes via TLR-2 in an NF-M-NM-:B dependent pathway. Primary chicken tracheal epithelial cells (TECs) were exposed to either 500 MOI of a virulent Mycoplasma gallisepticum strain Rlow or an avirulent strain Rhigh and the corresponding lipid associated membrane proteins (LAMPs) at 5M-BM-5g/mL for 1.5 hours. 4 biological replicates along with a dye swap technique totalling 8 replicates were utilized for all microarray experiments

2014-09-19 | E-GEOD-61520 | biostudies-arrayexpress

Mycoplasma gallisepticum Lipid Associated Membrane Proteins Up-regulate Inflammatory Genes in Chicken Tracheal Epithelial Cells via TLR-2 Ligation Through an NF-κB Dependent Pathway

2014-09-19 | GSE61520 | GEO

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Project description:The goal of this study was to identify genes important to the interaction of Mycoplasma gallisepticum with host cells in an in vitro system. An interaction time of one hour was chosen since it is less than a generation time and thus all changes can be attributed to transcriptional changes. A total of 60 transcripts were determined to be significantly up- or down-regulated under these conditions, including several hypothetical genes. Also several metabolism-related genes and ATP synthase genes were significantly down-regulated. Keywords: transcriptional response to host cells

2007-05-20 | GSE6717 | GEO

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