Genome-wide analysis of long non-coding RNA (lncRNA) profiles in leg muscle of Xinghua Chickens.
Ontology highlight
ABSTRACT:
ORGANISM(S): Gallus gallus
PROVIDER: GSE91060 | GEO | 2016/12/13
SECONDARY ACCESSION(S): PRJNA356759
REPOSITORIES: GEO
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Project description:We have used RNA-seq to examine circular RNAs from RNase R treated and ribo- RNAs in chicken leg muscle of three different development stages (11 embryo age, 16 embryo age, and 1 days post hatch). Our study reveals the prevalence of circRNAs in chicken, and has identified circRNAs differentially abundant in different stage of embryonic skeletal muscle, suggesting its important functions during poultry muscle development.
2016-11-01 | GSE89355 | GEO
Project description:Purpose:We have used RNA-seq to examine of differentially expressed miRNAs in chicken leg muscle of three different development stages (11 embryo ages, 16 embryo ages, and 1 day old post hatch chick).The aims of this study are characterization of miRNAs differentially expressed in different developmental stage of chicken embryo, using RNA sequence sample. Methods: On this study we used two embryonic stage and one post hatch chick leg muscle of Xinghua chicken breed. Total RNA from E11 day embryo, E16 day embryo and 1 day post hatch chick was isolated by TRIzol following the manufacturer’s protocol (Invitrogen, CA, USA). Each stages were designed two samples, and the total samples were six (three group × two sample/group) and RNA samples of six individuals were pooled with equal amounts, and then were subjected to Illumina deep sequencing. Results: After eliminating adaptor and low-quality reads, a total of 5,302,700, 6,556,747, 5,359,793, 4,213,112, 7,112,885 and 7,469,939 clean reads were obtained in group E11 (E11.1-E11.2), group E16 (E16.1-E16.2) and group P1 (P1.1–P1.2) libraries, respectively. The clean reads were aligned to the chicken genome databases, miRBase, Rfam, RepBase and mRNA. Conclusions:To assess miRNA expression during chicken embryo skeletal muscle development, we sequenced and analyzed leg muscle at 11 day embryo age, 16 day embryo age, and 1 days post hatch.
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Project description:Turkey embryos are very sensitive to perturbations in energy metabolism because they have a wider hatching window than chicken embryos. Mortality of turkey embryos during late-term incubation is high relative to chickens, and many surviving hatchlings have compromised vitality. Intestinal maturation at hatch is also crucial to survival and post-hatch performance. The study of poultry embryo metabolism during the last stages of incubation is difficult due to many shifts and changes that occur in preparation for hatching. Microarray technology is suitable to study complex biological systems like avian late-term embryonic development. Therefore, the objectives of this study were to create a customized focused oligonucleotide microarray based on chicken genome sequences that could be used to study late-term avian metabolism and intestinal maturation, and use this array to survey turkey embryos gene expression from 20 days of incubation until hatch. The key features of this microarray are that all genes present have been annotated and gene spot replication (4) within each array chip. Microarray analysis was performed on liver, pectoral muscle, hatching muscle, and duodenum Keywords: time course, embryo development
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Project description:The embryo to neonate transition is a critical period of development that has significant impact on broiler production. During this time important genetic programs governing metabolism and growth are established. The goal of this work was to study the effects of early post-hatch (PH) development and time of initiation of feeding on activation of the genetic programs regulating tissue growth and metabolism in liver, brain, duodenum and breast muscle in broiler chickens. We used chicken genome GeneChip microarrays in a replicated experiment to detail the global program of gene expression in liver, whole brain, duodenum and breast muscle during the post-hatch transition in response to the initiation of feeding. Experiment Overall Design: Tissue samples were collected at hatch and 7 days post-hatch for RNA extraction and hybridization on Affymetrix chicken genome GeneChip microarrays. We analyzed three replicate samples of total RNA on separate microarrays for each tissue at hatch and at day 7 post-hatch in order to increase the resolution of expression profiles. To that end, for each tissue we pooled samples from 4-5 individual chicks at both time points to increase representation of the replicate total RNA samples analyzed on the microarrays.
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Project description:The embryo to neonate transition is a critical period of development that has significant impact on broiler production. During this time important genetic programs governing metabolism and growth are established. The goal of this work was to study the effects of early post-hatch (PH) development and time of initiation of feeding on activation of the genetic programs regulating tissue growth and metabolism in liver, brain, duodenum and breast muscle in broiler chickens. We used chicken genome GeneChip microarrays in a replicated experiment to detail the global program of gene expression in liver, whole brain, duodenum and breast muscle during the post-hatch transition in response to the initiation of feeding.
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Project description:Turkey embryos are very sensitive to perturbations in energy metabolism because they have a wider hatching window than chicken embryos. Mortality of turkey embryos during late-term incubation is high relative to chickens, and many surviving hatchlings have compromised vitality. Intestinal maturation at hatch is also crucial to survival and post-hatch performance. The study of poultry embryo metabolism during the last stages of incubation is difficult due to many shifts and changes that occur in preparation for hatching. Microarray technology is suitable to study complex biological systems like avian late-term embryonic development. Therefore, the objectives of this study were to create a customized focused oligonucleotide microarray based on chicken genome sequences that could be used to study late-term avian metabolism and intestinal maturation, and use this array to survey turkey embryos gene expression from 20 days of incubation until hatch. The key features of this microarray are that all genes present have been annotated and gene spot replication (4) within each array chip. Microarray analysis was performed on liver, pectoral muscle, hatching muscle, and duodenum Keywords: time course, embryo development, fed versus non-fed
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