Toxoplasma gondii
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA187427 | ENA |
REPOSITORIES: ENA
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Project description:Recent advances in high throughput sequencing methodologies allow the opportunity to probe in depth the transcriptomes of organisms including N. caninum and Toxoplasma gondii. In this project, we are using Illumina sequencing technology to analyze the transcriptome (RNA-Seq) of experimentally accessible stages (e.g. tachyzoites at different times points) of T. gondii VEG strain. The aim is to make comparative transcriptional landscape maps of Neospora and Toxoplasma at different time points at different life cycle stages and compare levels of expression of orthologous genes in these two organisms.
2011-02-08 | E-MTAB-550 | biostudies-arrayexpress
Project description:This SuperSeries is composed of the following subset Series: GSE11437: Expression QTL mapping of Toxoplasma gondii genes, Bradyzoite array GSE11514: Expression QTL mapping of Toxoplasma gondii genes, Tachyzoite array Keywords: SuperSeries Refer to individual Series
2008-05-22 | E-GEOD-11515 | biostudies-arrayexpress
Project description:Toxoplasma gondii arginine methyltransferase 1 (PRMT1) regulates parasite counting during tachyzoite cell division
| PRJNA296074 | ENA
Project description:Toxoplasma gondii cell cycle mutant 11-104A4 reversibly arrests in the G1 phase. The defect in this mutant was mapped by genetic complementation to a gene encoding a novel AAA-ATPase/CDC48 family member (TgNoAP1). A change in a tyrosine to a cysteine upstream of an AAA+ domain leads to protein instability and results in cell cycle arrest. This factor is cell cycle regulated and exclusively expressed in the nucleolus during the G1/S phases. At high temperature the mutant quickly arrests with a single nucleus and expresses transcripts enriched in the G1 subtranscriptome. This unique CDC48 ortholog operates in a parasite mechanism responsible for G1 progression and is the first G1-specific checkpoint factor described in Toxoplasma. We describe transcriptome of the temperature sensitive mutant 11-104A4. Transcriptome studies demonstrated that gene expression is reflective of the parasite arrest in G1 phase. mRNAs normally upregulated in S/M phase were largely downregulated in the mutant at the restrictive temperature 40oC. Genetic complementation with extra copy of the wild type TgNoAP1 rescued growth of the mutant 11-104A4 at 40oC and reversed changes in the transcriptome. RNA samples were isolated in duplicate from mutant 11-104A4 parasites grown for 32h at permissive (34oC) or non-permissive temperatures (40oC). In addition, a duplicate sample of RNA from mutant 11-104A4 complemented with cosmid TOXOV53 encoding wild type copy of TgNoAP1 similarly grown at 40oC was collected. Samples were hybridized to the Toxoplasma gondii Affymetrix microarray (ToxoGeneChip: http://ancillary.toxodb.org/docs/Array-Tutorial.html). Hybridization data was preprocessed with Robust Multi-array Average (RMA) and normalized using per chip and per gene median polishing and analyzed using the software package GeneSpring GX (Agilent Technologies).
2013-01-27 | E-GEOD-43784 | biostudies-arrayexpress
Project description:Expression profile microarray of human foreskin fibroblast cell comparing control untreated HFF cell with HFF cell infected with ME49 strain.Study on Toxoplasma gondii infection of HFF cell LncRNAs expression, for further studies on the differential exprssion of LncRNAs in HFF cell against the infection of Toxoplasma gondii research provide the basic function.
2017-01-01 | GSE92603 | GEO