Gallus gallus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA339587 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR4045440.fastq.gz | Fastqsanger.gz | |||
| SRR4045450.fastq.gz | Fastqsanger.gz | |||
| SRR4045460.fastq.gz | Fastqsanger.gz | |||
| SRR4045441.fastq.gz | Fastqsanger.gz | |||
| SRR4045451.fastq.gz | Fastqsanger.gz |
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Project description:Transcriptome responses to heat stress in hypothalamus of a meat-type chicken
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Project description:Rats (n=24) were fed ad libitum diets containing either ground endophyte-free (E-) seed or endophyte–infected (E+) seed for five days at thermoneutrality (21°C) or heat stress (32 C) for 21 days. Rats with intraperitonial transmitters were used with core temperature (Tc) and general activity measured every 5 minutes during the study. At treatment end, the liver was removed, weighed and frozen in liquid nitrogen. RNA was extracted from liver samples, converted to cDNA, and hybridized with the printed oligonucleotide slides. Treatments consisted of four treatment groups, E-TN, E+TN, E-HS, E+HS. E-TN IS control at thermoneutral for 26 days , E+TN toxin fed group at thermoneutral for 26 days; E-HS control at thermoneutral for 5 days and heat treatment for 21 days, E+HS is toxin fed group at thermoneutral for 5 days and heat stress for 21 days. Rats (n=24) were divided into two groups and fed with either E- or E+ diet for 5 days under TN conditions. At the end of TN period, each group was further subdivided into two groups each. Treatments consisted of four treatment groups, E-TN, E+TN, E-HS, E+HS. E-TN IS control at thermoneutral for 26 days , E+TN toxin fed group at thermoneutral for 26 days; E-HS control at thermoneutral for 5 days and heat treatment for 21 days, E+HS is toxin fed group at thermoneutral for 5 days and heat stress for 21 days.
2007-08-14 | E-GEOD-8754 | biostudies-arrayexpress
Project description:We identified the microglial population in the chick anterior hypothalamus (AH) and showed that early-life thermal stress (on day 3 post-hatch) influences the inflammatory process in the AH, altering microglial transcriptomic signature in response to LPS treatment (on day 10 post-hatch).
2021-12-21 | GSE189566 | GEO
Project description:We identified the microglial population in the chick anterior hypothalamus (AH) and showed that early-life thermal stress (on day 3 post-hatch) influences the inflammatory process in the AH. We described alterations in genome-wide CpG methylation profile of hypothalamic microglia between heat-conditioned and non-conditioned 10-day-old chicks prior LPS challenge. We suppose that changes in CpG DNA methylation might be involved in reprogramming microglial function.
2021-12-21 | GSE189564 | GEO
Project description:By using a 44k chicken Agilent microarray, we systematically analyzed the chicken hypothalamus transcriptome response to thermal stress. Twelve hypothalamus samples were chosen from three groups (four samples per group) to be used in chicken genome microarray to examine differential gene expression.We compared the expression profiles between each pairs of the three groups using the microarray data. Totally, 2474 genes were found to be differentially expressed in the three comparisons with pM-oM-<M-^\0.05 and fold change (FC) higher than 1.5 and the genes were mainly involved in self-regulation and compensation required to maintain homeostasis, including heat shock protein family, enzyme and the hormone, neurotransmitter, cell-cell signaling, metabolism and cytokines. The transcripts of heat shock protein including Hsp 40 and Hsp 90 were significantly changed respond to thermal stress and genes involved in regulation of cell morphogenesis were significantly upregulated in heat stressed group with comparison to control and temperature recovery group. Additionally, the down-regulated genes in both heat stress and temperature recovery groups compared to control group were enriched in muscle organ development, striated muscle tissue development, cardiac muscle tissue development and muscle tissue development, which indicates that muscle development was inhibited during and in short-term after heat treatment. Most of genes dysregulated in heat stress group were found to be recovered in temperature recovery group, which confirmed their roles they could play in coping with heat stress. The present study provides a broader understanding of molecular mechanisms underlying the stress response in chicken and discovery of novel genes that are regulated in a thermal stress specific manner. Hypothalamus samples were collected from non-heat treated group (reared at 25C, used as control), 24h 34C treated group (heat stress treated group) and temperature recovery group (25C for 24h followed heat stress).
2012-10-01 | E-GEOD-37400 | biostudies-arrayexpress
Project description:Pre- and Post-hatch transcriptomic response of chicken Musculus gastrocnemius to transient variation of incubation temperature
| PRJNA308300 | ENA
Project description:The first period post-hatch with all its stimuli could potentially be stressful for the chicks, and by that affect the welfare of the chicken as they mature. By measuring changes in the transcriptome, along with behavioural phenotypes and hormonal levels, the aim is to investigate short and long term effects on the chicken. One batch of chicken were hatched in a production environment, and underwent the same treatment all newly hatched production animals do (sorting, sexing and transportation). Eggs of the same age were simultaneously incubated and hatched in a control environment in a lab. From the end of day one after hatch, both groups were reared under the same conditions in the lab.
2017-02-28 | E-MTAB-4735 | biostudies-arrayexpress
Project description:Pre- and Post-hatch transcriptomic response of chicken Musculus pectoralis major to transient variation of incubation temperature
| PRJNA308299 | ENA
Project description:By using a 44k chicken Agilent microarray, we systematically analyzed the chicken hypothalamus transcriptome response to thermal stress. Twelve hypothalamus samples were chosen from three groups (four samples per group) to be used in chicken genome microarray to examine differential gene expression.We compared the expression profiles between each pairs of the three groups using the microarray data. Totally, 2474 genes were found to be differentially expressed in the three comparisons with p＜0.05 and fold change (FC) higher than 1.5 and the genes were mainly involved in self-regulation and compensation required to maintain homeostasis, including heat shock protein family, enzyme and the hormone, neurotransmitter, cell-cell signaling, metabolism and cytokines. The transcripts of heat shock protein including Hsp 40 and Hsp 90 were significantly changed respond to thermal stress and genes involved in regulation of cell morphogenesis were significantly upregulated in heat stressed group with comparison to control and temperature recovery group. Additionally, the down-regulated genes in both heat stress and temperature recovery groups compared to control group were enriched in muscle organ development, striated muscle tissue development, cardiac muscle tissue development and muscle tissue development, which indicates that muscle development was inhibited during and in short-term after heat treatment. Most of genes dysregulated in heat stress group were found to be recovered in temperature recovery group, which confirmed their roles they could play in coping with heat stress. The present study provides a broader understanding of molecular mechanisms underlying the stress response in chicken and discovery of novel genes that are regulated in a thermal stress specific manner.
2012-10-01 | GSE37400 | GEO
Project description:The aim of the present study was to investigated the difference of Nrf2-regulated genes in livers between normal and heat-stressed chickens. The CUT&Tag and high-throughput sequencing technologies were used in this experiment. Results showed that 13171838- 15417444 clean reads were obtained in this study. These data suggested that there were many Nrf2- regulated genes in the liver of heat-stressed chicken.
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