Mus musculus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA243346 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR1282051_1.fastq.gz | Fastqsanger.gz | |||
| SRR1282051_2.fastq.gz | Fastqsanger.gz | |||
| SRR1282052_1.fastq.gz | Fastqsanger.gz | |||
| SRR1282052_2.fastq.gz | Fastqsanger.gz | |||
| SRR1282053_1.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 5 of 8 |
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Project description:RNA Sequencing of E14.5 mouse cortical neurospheres in response to Fezf2 over-expression 2 replicates each of GFP-transfected or Fezf2/GFP-transfected E14.5 mouse cortical neurospheres. Paired-end sequencing 101bp.
2014-07-06 | E-GEOD-56446 | biostudies-arrayexpress
Project description:RNA Sequencing of E14.5 mouse cortical neurospheres in response to Fezf2 over-expression
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Project description:Corticospinal motor neurons (CSMN) are one specialized class of cortical excitatory neurons, which connect layer Vb of the cortex to the spinal cord. a master transcription factor –Forebrain expressed zinc finger 2 (Fezf2) – has been identified that is necessary for the fate specification of CSMN. Fezf2 alone can cell-autonomously instruct the acquisition of CSMN-specific features when expressed in diverse, permissive cellular contexts, in vivo. In order to understand the molecular logic underlying the acquisition of CSMN traits upon Fezf2 expression, we compared the in vivo gene expression of FACS-purified cortical progenitors that ectopically expressed Fezf2 to control progenitors. We used in utero electroporation to deliver Fezf2GFP or CtrlGFP expression vectors to neocortical progenitors at E14.5, when they primarily generate CPN of the upper layers. Overexpression of Fezf2 in these progenitors is sufficient to instruct a fate-switch resulting in the generation of CSMN and other subtypes of corticofugal projection neurons. Fezf2GFP- and CtrlGFP -electroporated progenitors were FACS-purified at 24 and 48 hours after surgery and acutely profiled by microarrays.
2014-07-06 | E-GEOD-56451 | biostudies-arrayexpress
Project description:PURPOSE: To provide a detailed gene expression profile of the normal postnatal mouse cornea. METHODS: Serial analysis of gene expression (SAGE) was performed on postnatal day (PN)9 and adult mouse (6 week) total corneas. The expression of selected genes was analyzed by in situ hybridization. RESULTS: A total of 64,272 PN9 and 62,206 adult tags were sequenced. Mouse corneal transcriptomes are composed of at least 19,544 and 18,509 unique mRNAs, respectively. One third of the unique tags were expressed at both stages, whereas a third was identified exclusively in PN9 or adult corneas. Three hundred thirty-four PN9 and 339 adult tags were enriched more than fivefold over other published nonocular libraries. Abundant transcripts were associated with metabolic functions, redox activities, and barrier integrity. Three members of the Ly-6/uPAR family whose functions are unknown in the cornea constitute more than 1% of the total mRNA. Aquaporin 5, epithelial membrane protein and glutathione-S-transferase (GST) omega-1, and GST alpha-4 mRNAs were preferentially expressed in distinct corneal epithelial layers, providing new markers for stratification. More than 200 tags were differentially expressed, of which 25 mediate transcription. CONCLUSIONS: In addition to providing a detailed profile of expressed genes in the PN9 and mature mouse cornea, the present SAGE data demonstrate dynamic changes in gene expression after eye opening and provide new probes for exploring corneal epithelial cell stratification, development, and function and for exploring the intricate relationship between programmed and environmentally induced gene expression in the cornea. Keywords: other
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Project description:Fezf2 overexpression in murine cortical progenitors in vivo
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Project description:Expression data from Ankrd11Yod/+ and WT embryonic cortical neurospheres
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Project description:Introgressed variants from other species can be an important source of genetic variation because they may arise rapidly, can include multiple mutations on a single haplotype, and have often been pretested by selection in the species of origin. Although introgressed alleles are generally deleterious, several studies have reported introgression as the source of adaptive alleles-including the rodenticide-resistant variant of Vkorc1 that introgressed from Mus spretus into European populations of Mus musculus domesticus. Here, we conducted bidirectional genome scans to characterize introgressed regions into one wild population of M. spretus from Spain and three wild populations of M. m. domesticus from France, Germany, and Iran. Despite the fact that these species show considerable intrinsic postzygotic reproductive isolation, introgression was observed in all individuals, including in the M. musculus reference genome (GRCm38). Mus spretus individuals had a greater proportion of introgression compared with M. m. domesticus, and within M. m. domesticus, the proportion of introgression decreased with geographic distance from the area of sympatry. Introgression was observed on all autosomes for both species, but not on the X-chromosome in M. m. domesticus, consistent with known X-linked hybrid sterility and inviability genes that have been mapped to the M. spretus X-chromosome. Tract lengths were generally short with a few outliers of up to 2.7 Mb. Interestingly, the longest introgressed tracts were in olfactory receptor regions, and introgressed tracts were significantly enriched for olfactory receptor genes in both species, suggesting that introgression may be a source of functional novelty even between species with high barriers to gene flow.
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