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Danio rerio

ABSTRACT: High-throughput sequencing analysis identify miRNAs in 7dpf F1-zebrafish under β-diketone antibiotics exposure to F0-zebrafish

PROVIDER: PRJNA335856 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR3987430.fastq.gz	Fastqsanger.gz
	SRR3987431.fastq.gz	Fastqsanger.gz
	SRR3987432.fastq.gz	Fastqsanger.gz

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High-throughput sequencing analysis identify miRNAs in 7dpf F1-zebrafish under Î²-diketone antibiotics exposure to F0-zebrafish

Project description:Small RNA high-throughput sequencing technology was used to characterize the miRNAs in F1-zebrafish after 90-day Î²-diketoneÂ antibiotic (DKA) exposure to F0-zebrafish at 6.25 and 12.5 mg/L. The small RNA libraries from 7-dpf F1-zebrafish were constructed. In total, 10,117,347, 9,818,830 and 12,049,949 raw reads were acquired, respectively, under the different DKA-exposure treatments (0, 6.25 mg/L and 12.5mg/L) from the three miRNAs libraries by Illumina sequencing. Low-quality reads were removed, which included 5' contaminants, those missing the 3' primer or insert tag, sequences with a poly A tail, and those shorter than 17 nt and longer than 25 nt. As a result, 8,141,146 (representing 312,735 unique sequences; control), 8,687,210 (representing 251,508 unique sequences; 6.25 mg/L), and 10,569,566 (representing 441,938 unique sequences; 12.5 mg/L) valid reads in the 17 to 25 nt size range were isolated for further analysis. The sRNAs from the three libraries were similar, and the unique sRNA reads were mainly distributed in the 20-24 nt range, among which 22 and 23 nt accounted for 41.8% and 20.0% of total unique sRNA reads, respectively. The 22-nt sRNAs were the most abundant, with the length distribution of counts of sequ-seqs and unique miRNAs displaying a normal distribution. Sample 1: Examination of small RNA in 7-dpf F1-zebrafish after 90-day DKA exposure to F0-zebrafish at 0 mg/L; Sample 2: Examination of small RNA in 7-dpf F1-zebrafish after 90-day DKA exposure to F0-zebrafish at 6.25 mg/L; Sample 3: Examination of small RNA in 7-dpf F1-zebrafish after 90-day DKA exposure to F0-zebrafish at 12.5 mg/L.

2016-07-30 | E-GEOD-85004 | biostudies-arrayexpress

Parental high dietary arachidonic acid levels modulated the hepatic transcriptome of adult zebrafish (Danio rerio) progeny

Project description:Disproportionate high intake of n-6 polyunsaturated fatty acids (PUFAs) in the diet is considered as a major human health concern. The present study examines changes in the hepatic gene expression pattern of adult male zebrafish progeny associated with high levels of the n-6 PUFA arachidonic acid (ARA) in the parental diet. The parental generation (F0) was fed a diet which was either low (control) or high in ARA (high ARA). Progenies of both groups (F1) were given the control diet. No differences in body weight were found between the diet groups within adult stages of either F0 or F1 generation. Few differentially expressed genes were observed between the two dietary groups in the F0 in contrast to the F1 generation. Nonetheless, several links were found between the previous metabolic analysis of the parental fish and the gene expression analysis in their adult progeny. Main gene expression differences in the progeny were observed related to lipid and retinoid metabolism by PPAR/RXR playing a central role in mediating changes to lipid and long-chain fatty acid metabolism. The enrichment of genes involved in β-oxidation observed in the progeny, corresponded to the increase in peroxisomal β-oxidative degradation of long-chain fatty acids in the parental fish metabolomics data. Similar links between the F0 and F1 generation were identified for the methionine cycle and transsulfuration pathway in the high ARA group. In addition, estrogen signalling was found to be affected by parental high dietary ARA levels, where gene expression was opposite directed in F1 compared to F0. This study shows that the dietary n-3/n-6 PUFA ratio can alter gene expression patterns in the adult progeny. Whether the effect is mediated by permanent epigenetic mechanisms regulating gene expression in developing gametes needs to be further investigated.

2018-10-06 | GSE104692 | GEO

Project description:In triplicate for each condition, 12 WT and acbd6 F0 crispant Danio rerio (zebrafish) embryos were incubated with 20 μM YnMyr for 24 h, either between 48-72 hpf or 96-120 hpf. After labelling, zebrafish were washed twice with fresh egg water, deyolked, flash frozen in liquid nitrogen and stored at -80°C until further analysis.

2024-06-16 | PXD043679 | Pride

2024-06-16 | PXD043676 | Pride

Danio rerio

Project description:Transcriptomic of β-diketone antibiotics on zebrafish after a 3-month DKAs exposure.

| PRJNA313387 | ENA

Zebrafish transgenerational methylation profiling in response to TCDD, 5-AZA and MeHg

Project description:Adult F0 female zebrafish were fed with control diet or diets containing 5-AZA, MeHg or TCDD. After breeding with unexposed males to produce the F1 generation, livers were sampled from the F0 females. F1 generation embryos were unexposed to test chemicals, were sampled, then bred to produce F2 fish, also unexposed to test chemicals. Methylated DNA immunoprecipitation was carried out on liver samples from F0 and F1 and F2 embryos and MeDIP samples were labeled with Cy5 and hybridised to a zebrafish CGI tiling array versus Cy3-labled zebrafish genomic DNA. The objective was to determine DNA methylation changes following chemical exposure and whether these persisted transgenerationally.

2014-03-01 | E-MTAB-2057 | biostudies-arrayexpress

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Project description:Embryonic atrazine exposure alters zebrafish and human miRNAs associated with angiogenesis, cancer, and neurodevelopment

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Project description:Chlorpyrifos exposure zebrafish embryos

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Project description:Aroclor exposure zebrafish embryos

| PRJNA348313 | ENA

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Project description:MeHg exposure zebrafish embryos vs control