IlCalRufi
Ontology highlight
ABSTRACT:
PROVIDER: PRJEB89316 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| ERR14986750_1.fastq.gz | Fastqsanger.gz | |||
| ERR14986750_2.fastq.gz | Fastqsanger.gz | |||
| ERR14955674.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 3 of 3 |
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Project description:mRNA expression profiles of trypanosomes from two discrete bloodstream form stages of the parasite (slender and stumpy forms), as well as during the transition of the stumpy population to the procyclic life-cycle stage were studied. Our analysis represents the first comparison of in vivo derived pleomorphic slender cells with genetically identical stumpy forms, and a first analysis of the dynamic changes in mRNA profile that accompany the transition to procyclic forms. Twenty nine RNA samples were generated (5 biological replicates of Stumpy (0h), 1h, 6h, 18h and 48h, and 4 biological replicates of slender forms. Four arrays failed QC.
2010-05-16 | E-GEOD-17026 | biostudies-arrayexpress
Project description:During the bloodstream stage of the Trypanosoma brucei lifecycle, the parasite exists as the proliferative slender-form or the non-proliferative, transmissible, stumpy-form. The transition from the slender to stumpy-form is stimulated by a density-dependent mechanism and is important in infection dynamics, ordered antigenic variation and disease transmissibility. Here, we use a monomorphic reporter cell line in a whole-cell fluorescence-based assay to screen over 6000 small molecules from a kinase-focussed compound library for their ability to induce stumpy-like formation in a high-throughput screening programme. This identified one compound able to induce modest, yet specific, changes in gene expression indicative of a partial differentiation to stumpy forms. This not only provides a potential tool for the further understanding of stumpy formation, but also demonstrates the use of high throughput screening in the identification of compounds able to induce specific phenotypes, such as differentiation, in African trypanosomes. Examination of gene expression in response to treatment with DDD00015314.
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Project description:mRNA expression profiles of trypanosomes from two discrete bloodstream form stages of the parasite (slender and stumpy forms), as well as during the transition of the stumpy population to the procyclic life-cycle stage were studied. Our analysis represents the first comparison of in vivo derived pleomorphic slender cells with genetically identical stumpy forms, and a first analysis of the dynamic changes in mRNA profile that accompany the transition to procyclic forms.
2009-07-10 | GSE17026 | GEO
Project description:During the bloodstream stage of the Trypanosoma brucei lifecycle, the parasite exists as the proliferative slender-form or the non-proliferative, transmissible, stumpy-form. The transition from the slender to stumpy-form is stimulated by a density-dependent mechanism and is important in infection dynamics, ordered antigenic variation and disease transmissibility. Here, we use a monomorphic reporter cell line in a whole-cell fluorescence-based assay to screen over 6000 small molecules from a kinase-focussed compound library for their ability to induce stumpy-like formation in a high-throughput screening programme. This identified one compound able to induce modest, yet specific, changes in gene expression indicative of a partial differentiation to stumpy forms. This not only provides a potential tool for the further understanding of stumpy formation, but also demonstrates the use of high throughput screening in the identification of compounds able to induce specific phenotypes, such as differentiation, in African trypanosomes.
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Project description:DNA methylation data from several primate species profiled on the mammalian methylation array (HorvathMammalMethylChip40) which focuses on highly conserved CpGs across mammalian species. We selected a total of 91 samples from animals representing 26 strepsirrhine species, in most cases, the entire lifespan, from immature (infant or juvenile) to senile stages: 68 samples from peripheral blood, 23 samples from skin Blood and skin samples from many different primates. We profiled the following species: Cheirogaleus medius (Fat-tailed dwarf lemur), Daubentonia madagascariensis (Aye-aye), Eulemur albifrons (White-headed lemur), Eulemur collaris (Collared brown lemur), Eulemur coronatus (Crowned lemur), Eulemur flavifrons (Blue-eyed black lemur), Eulemur fulvus (Brown lemur), Eulemur macaco (Black lemur), Eulemur mongoz (Mongoose lemur), Eulemur rubriventer (Red-bellied lemur), Eulemur rufus (Red-fronted lemur), Eulemur sanfordi (Sanford's brown lemur), Galago moholi (South African galago), Hapalemur griseus (Bamboo lemur), Lemur catta (Ring-tailed lemur), Loris tardigradus (Slender loris), Microcebus murinus (Gray mouse lemur), Mirza zaza (Northern giant mouse lemur), Nycticebus coucang (Slow loris), Otolemur crassicaudatus (Greater galago), Perodicticus potto (Potto), Propithecus diadema (Diademed sifaka), Propithecus tattersalli (Golden-crowned sifaka), Varecia rubra (Red ruffed lemur). Peripheral blood was collected through venipuncture with standard procedures, either during a routine veterinary procedure or at time of necropsy. Skin tissues were collected during necropsies.
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