Ontology highlight
ABSTRACT:
PROVIDER: PRJNA498219 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| Other | ||||
| SRR8102100_subreads.fastq.gz | Fastqsanger.gz | |||
| SRR8102091_subreads.fastq.gz | Fastqsanger.gz | |||
| SRR8102101_subreads.fastq.gz | Fastqsanger.gz | |||
| SRR8102092_subreads.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 5 of 15 |
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Project description:Ditylenchus dipsaci strain:Ontario 01 Genome sequencing and assembly
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Project description:Data from multiple high throughput technologies such as RNA sequencing (RNA-Seq) and protein mass spectrometry (MS/MS) are often used to assist in predicting eukaryote genome features such as genes, splice variants, and single nucleotide variants (SNVs). The genomes of parasitic nematodes causing neglected tropical diseases are often poorly annotated. Angiostrongylus costaricensis, a nematode that causes an intestinal inflammatory disease known as abdominal angiostrongyliasis (AA), is one example. Currently, no drugs or treatments are available for AA, a public health problem in Latin America, especially in Costa Rica and Brazil. The available genome of A. costaricensis, specific to the Costa Rica strain, is a draft version not supported by transcript- or protein-level evidence. This study used RNA-Seq and MS/MS data to perform an in-depth annotation of the A. costaricensis genome. Our prediction supplemented the reference annotation with a) novel coding and non-coding genes; b) pieces of evidence of alternative splicing generating new proteoforms; c) a list of SNVs specific to the Brazilian strain (Crissiumal). To the best of our knowledge, this is the first time that a multi-omics approach has been used to improve the genome annotation of a parasitic nematode. We hope this supplemented genome annotation can assist the future development of drugs to treat AA caused by either Brazil strain (Crissiumal) or Costa Rica strain.
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Project description:Global gene expression profiling was performed using RNA from human embryonic neural stem cells (hENSCs) and adult human olfactory bulb-derived neural stem cells (OBNSCs) to define a gene expression pattern and signaling pathways that are specific for each cell lineage. Subtractive gene expression profiling between both cell lineages provides a list of potential genes that are related to their multipotentiality, proliferation, migration, and alternative signaling pathways. To confirm the validity of our DNA microarray data, our results were compared with data from various databases. The gene expression profile of adult olfactory bulb neural stem cells (n=6) was compared with that of human embryonic neural stem cells (n=3).
2012-01-30 | E-GEOD-35390 | biostudies-arrayexpress
Project description:The draft genome of L. sativa (lettuce) cv. Tizian was sequenced in two Illumina sequencing runs, mate pair and shotgun. This entry contains the RAW sequencing data.
2018-02-09 | E-MTAB-6347 | biostudies-arrayexpress
Project description:Annotation of the draft assembly of selaginella kraussiana Total RNA obtained from the leaf, rhizophore, seedling and stem.
2016-02-09 | E-GEOD-69388 | biostudies-arrayexpress
Project description:In this study, we demonstrate that insulin is produced not only in the mammalian pancreas but also in adult neuronal cells derived from hippocampus and olfactory bulb. Paracrine Wnt3 plays an essential role in promoting the active expression of insulin in both hippocampus and olfactory bulb-derived neural stem cells. Our analysis indicates that the balance between Wnt3, which triggers the expression of insulin via NeuroD1 transcription factor, and IGFBP-4, which inhibits the original Wnt3 action, is regulated depending on the diabetic status. We also show that adult neural progenitors derived from diabetic animals retain the ability to give rise to insulin-producing cells and that grafting neuronal progenitors into the pancreas of diabetic animals reduces glucose levels. This study provides an example of a simple and direct use of adult stem cells from one organ to another, without introducing additional inductive genes. In this study, we demonstrate that insulin is produced not only in the mammalian pancreas but also in adult neuronal cells derived from hippocampus and olfactory bulb. Paracrine Wnt3 plays an essential role in promoting the active expression of insulin in both hippocampus and olfactory bulb-derived neural stem cells. Our analysis indicates that the balance between Wnt3, which triggers the expression of insulin via NeuroD1 transcription factor, and IGFBP-4, which inhibits the original Wnt3 action, is regulated depending on the diabetic status. We also show that adult neural progenitors derived from diabetic animals retain the ability to give rise to insulin-producing cells and that grafting neuronal progenitors into the pancreas of diabetic animals reduces glucose levels. This study provides an example of a simple and direct use of adult stem cells from one organ to another, without introducing additional inductive genes. Total four different samples, gene expressions in hippocampal derived neural stem cells (HPC NSC), that in Olfactory bulb-derived neural stem cells (OB NSC), that in neurons derived from the HPC NSCs (HPC Neu) and that in neurons derived from the OB NSCs (OB Neu) were independently analyzed. Three independent experiments were performed to prepare each cell sample, and the extracted total RNAs from each cell source were mixed to apply following microarray analysis (Four independent RNA sample; HPC NSC, OB NSC, HPC Neu and OB Neu).
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Project description:Transgenic tobacco (Nicotiana tabacum) expressing Caenorhabditis elegans cell death genes, Ced4 and Ced3, show evidence suggesting such expressions protect the plants from infestation by the plant parasitic nematode Meloidogyne incognita. Although positive results have been correlated with the gene expressions (data in preparation for publication; a draft of the publication can be provided upon request), the mechanism by which the nematode protection is manifested is not clearly understood. One possibility is that the C. elegans cell death proteins produced by the transgenic plants are being ingested and incorporated into the nematode’s own cell death pathway, leading to their demise. Alternatively, it is also possible that expression of the C. elegans cell death genes promotes the endogenous resistance genes of the plant, leading to nematode resistance. We want to test the later hypothesis by conducting a reference design microarray experiment to establish the expression profile of Ced3, and Ced4 homozygous plants and Ced3xCed4 double heterozygous plants in comparison with wild-type tobacco plants. If the hypothesis is correct, we expect to detect increased expression of pathogenicity-related genes in the transgenic plants. Furthermore, characterization of the expression profiles in these transgenic plants will provide us directionality for our future research on the elucidation of this resistance mechanism. Keywords: Reference design
2007-09-01 | GSE8277 | GEO