A cross-species analysis of microRNAs in the developing avian face
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA144377 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR345219.fastq.gz | Fastqsanger.gz | |||
| SRR345220.fastq.gz | Fastqsanger.gz | |||
| SRR345221.fastq.gz | Fastqsanger.gz | |||
| SRR345222.fastq.gz | Fastqsanger.gz | |||
| SRR345223.fastq.gz | Fastqsanger.gz |
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Project description:Avian beaks show extreme species-specific variability in morphology, though they develop from the same primordial structures. In both humans and birds, cranial neural crest cells are the primary source of mesenchyme for the frontonasal prominence; previous work has shown that these cells contain molecular information that regulate species-specific facial variation. To determine the molecular basis of avian craniofacial patterning, we have used Next-Generation sequencing to profile all 20-40nt microRNAs from micro-dissected cranial neural crest cells from the frontonasal prominence of three bird species (chickens, quails, and ducks). Samples for each species were isolated at two developmental stages, before (Hamilton Hamburger stage [HH] 20) and after (HH25) morphological distinctions between the species are evident.
2012-05-02 | GSE30716 | GEO
Project description:Avian beaks show extreme species-specific variability in morphology, though they develop from the same primordial structures. In both humans and birds, cranial neural crest cells are the primary source of mesenchyme for the frontonasal prominence; previous work has shown that these cells contain molecular information that regulate species-specific facial variation. To determine the molecular basis of avian craniofacial patterning, we have used Next-Generation sequencing to profile all 20-40nt microRNAs from micro-dissected cranial neural crest cells from the frontonasal prominence of three bird species (chickens, quails, and ducks). Samples for each species were isolated at two developmental stages, before (Hamilton Hamburger stage [HH] 20) and after (HH25) morphological distinctions between the species are evident. Examination of microRNA expression in frontonasal neural crest cells of 3 bird species at two developmental stages. Includes some biological replicates and one technical replicate.
2012-05-02 | E-GEOD-30716 | biostudies-arrayexpress
Project description:Higher vertebrates use similar genetic tools to derive very different facial features. This diversity is believed to occur through temporal, spatial and species-specific changes in gene expression within cranial neural crest (NC) cells. These contribute to the facial skeleton and contain species-specific information that drives morphological variation. A few signaling molecules and transcription factors are known to play important roles in these processes, but little is known regarding the role of micro-RNAs (miRNAs). We have identified and compared all miRNAs expressed in cranial NC cells from three avian species (chicken, duck, and quail) before and after species-specific facial distinctions occur. We identified 170 differentially expressed miRNAs. These include thirty-five novel chicken orthologs of previously described miRNAs, and six avian-specific miRNAs. Five of these avian-specific miRNAs are conserved over 120 million years of avian evolution, from ratites to galliforms, and their predicted target mRNAs include many components of Wnt signaling. Previous work indicates that mRNA gene expression in NC cells is relatively static during stages when the beak acquires species-specific morphologies. However, miRNA expression is remarkably dynamic within this timeframe, suggesting that the timing of specific developmental transitions is altered in birds with different beak shapes. We evaluated one miRNA:mRNA target pair and found that the cell cycle regulator p27(KIP1) is a likely target of miR-222 in frontonasal NC cells, and that the timing of this interaction correlates with the onset of phenotypic variation. Our comparative genomic approach is the first comprehensive analysis of miRNAs in the developing facial primordial, and in species-specific facial development.
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Project description:Gli3 and Hand2 ChIP-sequencing of developing face and mandibular prominence
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Project description:Gli3 and Hand2 ChIP-sequencing were done on E11.5 whole face or dissected mandibular prominences
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Project description:Subgroup J avian leukemia is a type of oncology infectious disease caused by Subtype J of avian leukosis virus (ALV-J). It mainly encroaches on bone marrow cells, and metastasizes to liver, kidney, splenic ellipsoids and other organs, leading to myeloid leukosis (ML) and other malignancies, resulting in significant economic losses. microRNA play important roles in oncology infectious diseases. We used miRNA microarray analysis to detail the relationship of aberrant microRNAs and chicken ALV-J leukemia, and to try to find the potential diagnostic and therapeutic target for infections of subtype J of leukemia.
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