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Strongyloides ratti isolate:ED321

ABSTRACT: Strongyloides ratti isolate:ED321 Raw sequence reads

PROVIDER: PRJNA342789 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR4240930_1.fastq.gz	Fastqsanger.gz
	SRR4240930_2.fastq.gz	Fastqsanger.gz
	SRR4242111_1.fastq.gz	Fastqsanger.gz
	SRR4242111_2.fastq.gz	Fastqsanger.gz
	SRR4240952_1.fastq.gz	Fastqsanger.gz

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Strongyloides ratti isolate:ED321

Project description:Strongyloides ratti isolate:ED321 Raw sequence reads

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Strongyloides ratti strain:ED321

Project description:Strongyloides ratti overview

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Transcriptome sequencing of Strongyloides ratti

Project description:Strongyloides ratti is a common gastro-intestinal parasite of the rat. The adult parasites are female only, about 2mm long and live in the mucosa of the small intestine. These parasites produce eggs that pass out of the host in its faeces. In the environment infective larval stages develop either directly or after a facultative sexual free-living adult generation. Infective larvae infect hosts by skin penetration.S. ratti is the laboratory analogue of the parasite of humans, S. stercoralis. S. stercoralis is a wide-spread parasite of humans, occurring principally in the tropics and sub-tropics: some 100-200 million people are infected worldwide. Infection of immunosuppressed individuals can result in disseminated strongyloidiasis, in which worms occur throughout the body. This can be fatal unless anti-Strongyloides therapy is given. Other species of Strongyloides parasitise a wide range of vertebrates. As part of the Strongyloides ratti genome project we are profiling the transcriptome of the parasite across its life cycle using RNA-Seq.. This data is part of a pre-publication release. For information on the proper use of pre-publication data shared by the Wellcome Trust Sanger Institute (including details of any publication moratoria), please see http://www.sanger.ac.uk/datasharing/

2013-01-28 | E-ERAD-92 | biostudies-arrayexpress

Strongyloides ratti molecular basis of parasitism

Project description:The genus Strongyloides spp. include important human parasites. There is also a well studied rodent model, S. ratti. Uniquely among parasitic nematodes, the Strongyloides life-cycle includes both a parasitic female stage and a genetically identical free-living female stage. Differences between these two female forms must be epigenetic, presumably controlled by altered transcription and translation. This is a project to compare the proteome and transcriptome of the parasitic and free-living females of S. ratti. From this we will define the genes and gene products of the parasitic female stage. This approach exploits the currently advanced S. ratti genome sequencing project. This work will give an understanding of the molecular basis of nematode parasitism, and so define new potential drug targets. This data is part of a pre-publication release. For information on the proper use of pre-publication data shared by the Wellcome Trust Sanger Institute (including details of any publication moratoria), please see http://www.sanger.ac.uk/datasharing/

2013-06-11 | E-ERAD-151 | biostudies-arrayexpress

Strongyloides ratti strain:ED321 Heterogonic

Project description:Strongyloides ratti ED321 Heterogonic genome sequencing project

| PRJEA62033 | ENA

Transcription profiling of Strongyloides ratti to host immunity

Project description:Strongyloides ratti is a parasitic nematode of rats and a laboratory model for nematode infection more generally. The response of two lines of S. ratti were compared in contrasting immunological environments: (i) day 5 post infection (p.i.) in naive rats; (ii) day 12 p.i. in naive rats; day 5 p.i. in rats previously immunised with 10 iL3s; and day 12 p.i. in rats previously immunised with 10 iL3s. The gene expression response of parasitic females were assayed using cDNA microarrays. Large numbers of responding genes were found (but with modest fold changes) and clusters of co-expressed genes identified with differences observed between worms taken from naive and previously exposed hosts and from the two time points.

2009-09-03 | E-MAXD-53 | biostudies-arrayexpress

Transcription profiling of Strongyloides ratti response to environmental factors ex vivo

Project description:Strongyloides ratti is a parasitic nematode of rats and a laboratory model for nematode infection more generally. The aim of this experiment was to determine the gene expression response of parasitic females to abiotic factors in its environment ex vivo that may be relevant to its natural environment in the gut in vivo. Thus, we used cDNA arrays to assay transcriptional responses to high and low salt, to RPMI versus PBS media and to 37C versus 40C. A moderate number of gene expression changes were observed.

2009-09-03 | E-MAXD-52 | biostudies-arrayexpress

Transcription profiling of Strongyloides ratti life-history traits

Project description:Strongyloides ratti is a parasitic nematode of rats and a laboratory model for nematode infection more generally. Selected lines were generated over the course of 20 - 30 generations such that eggs were harvested either at the beginning or towards the end of an infection, termed 'fast' and 'slow' lines, respectively. Phenotypic differences in these lines in their fecundity and response to host immunity were observed. The gene expression response of these lines in both permissive and restrictive immune environments were assayed using cDNA microarrays. Large numbers of responding genes were found (but with modest fold changes) and clusters of co-expressed genes identified. Genes exhibiting female-biased expression responded to host immunity, consistent with increased investment into transmission in restrictive immune environments.

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Strongyloides ratti strain:ED321

Project description:Strongyloides small RNA expression

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