RNA sequencing of 112kb congenic and C57BL/6J (B6) wild-type littermates reveals differential splicing
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ABSTRACT:
PROVIDER: PRJNA592561 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR10560400_1.fastq.gz | Fastqsanger.gz | |||
| SRR10560400_2.fastq.gz | Fastqsanger.gz | |||
| SRR10560401_1.fastq.gz | Fastqsanger.gz | |||
| SRR10560401_2.fastq.gz | Fastqsanger.gz | |||
| SRR10560402_1.fastq.gz | Fastqsanger.gz |
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Project description:The 112kb congenic was identified via routine monitoring of the proximal and distal SNP sites of the heterozygous Line 4a C57Bl/6J (B6J)-DBA/2J (D2J) congenic offspring (PMID: 26658939). The 112kb congenic was identified via routine monitoring of the proximal and distal SNP sites of the heterozygous Line 4a C57Bl/6J (B6)-DBA/2J (D2) congenic offspring (Yazdani et al. 2015). Like the Line4a congenic, the original mouse of interest possessed a D2J SNP site at the proximal end of the D2J interval (rs29383600; mm9 - chr11:50,186,508, mm10 - chr11:50,373,006). To identify the distal D2J boundary of this new congenic, we generated a list of known SNPs within a roughly 55kb interval spanning downstream from the distal end of the originally characterized 206kb “critical interval” harboring Hnrnph1 and Rufy1 (mm9 - chr11:50,295,887-50,352,284, mm10 - chr11:50,482,385-50,538,782). Starting from the upstream portion of the interval, PCR primers were designed to every five SNPs, and 200bp region around each SNP was amplified, run on a 1.5% agarose gel, visualized for band specificity. Single appropriately-sized bands were then excised and gel purified (Promega Wizard SV Gel and PCR Clean-Up System, Cat A9281), and prepared for sanger sequencing (Genewiz). Using the SNP data from the Mouse Genome Project (Sanger Institute) for reference, the sequenced SNPs were deemed as either heterozygous for B6J and D2J SNPs or homozygous/wildtype B6J. The final SNP we identified as D2 was rs29459915 (mm9 - chr11:50,297,762, mm10 - chr11:50,484,260), and the first SNP we identified as B6 was rs254771403 (mm9 - chr11:50,300,250, mm10 - chr11: 50,486,748).
2019-11-30 | GSE141195 | GEO
Project description:We previously utilized interval-specific congenic lines derived from C57BL/6J (B6) and DBA/2J (D2) alleles to fine map a quantitative trait locus (QTL) influencing methamphetamine (MA)- induced locomotor activity. We identified a 0.23 MB critical interval on chromosome 11 containing only two protein coding genes, Rufy1 and Hnrnph1. Notably, Rufy1 contains three missense SNPs and Hnrnph1 contains 1 SNP near the 5’ UTR. In an effort to identify the molecular mechanisms that bridge genetic variation with behavior, we conducted transcriptome analysis via mRNA sequencing (RNA-seq) in a B6.D2 congenic line (chr.11: 50-60 Mb) that captures the QTL. There was an overrepresentation of cis-regulated, differentially expressed genes within the congenic interval (4 out of 92 differentially expressed genes; FDR < 0.05) and widespread genomic regulation on all autosomes.
2015-12-11 | GSE66366 | GEO
Project description:We previously utilized interval-specific congenic lines derived from C57BL/6J (B6) and DBA/2J (D2) alleles to fine map a quantitative trait locus (QTL) influencing methamphetamine (MA)- induced locomotor activity. We identified a 0.23 MB critical interval on chromosome 11 containing only two protein coding genes, Rufy1 and Hnrnph1. Notably, Rufy1 contains three missense SNPs and Hnrnph1 contains 1 SNP near the 5â UTR. In an effort to identify the molecular mechanisms that bridge genetic variation with behavior, we conducted transcriptome analysis via mRNA sequencing (RNA-seq) in a B6.D2 congenic line (chr.11: 50-60 Mb) that captures the QTL. There was an overrepresentation of cis-regulated, differentially expressed genes within the congenic interval (4 out of 92 differentially expressed genes; FDR < 0.05) and widespread genomic regulation on all autosomes. For this study, 3mm punches from both striatal hemispheres were collected and pooled from 16 mice (8 controls and 8 B6.D2 congenics), and RNA was extracted and prepared for cDNA library preparation using the Illumina TruSeq (oligo-dT; 50bp single-end reads). Samples 1-16, consisting of alternating B6 and B6.D2 congenics were run in four lanes total, with samples 1-8 run in duplicate across lanes 5 and 6 and samples 9-16 acorss lanes 7 and 8, respectively. Raw samples provided are labeled with the "CB-" prefix, followed by the sample number and the lane that it was run in is described at the tail end as "_L00#" with # being either lane 5, 6, 7 or 8. In this study, all odd samples (e.g. CB-1,3,5 etc.) are C57BL/6J littermate controls, while all even samples are B6.D2 congenics. Note that the lane 7 replicate for Sample CB-13 (CB-13_L007.fastq.gz) was not processed due to technical difficulties with the file.
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Project description:We identified a congenic mouse with an introgressed region from the A/J donor inbred strain on an inbred C57BL/6J background that showed a reduced locomotor stimulant response to methamphetamine. We conducted microarray analysis of the striatum from drug-naive female and male mice that were 6-9 weeks old. The congenic region is on chromosome 11 and spans approximately 84-96 Mb. There were two groups of mice used in the analysis: B6 control mice versus congenic mice. Congenic mice were collapsed across heterozygous and homozygous genotypes. All mice are on a C57BL/6J background. Congenic mice differ only on chromosome 11 where they contain the introgressed A/J alleles from 84-96 Mb.
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Project description:We identified a congenic mouse with an introgressed region from the A/J donor inbred strain on an inbred C57BL/6J background that showed a reduced locomotor stimulant response to methamphetamine. We conducted microarray analysis of the striatum from drug-naive female and male mice that were 6-9 weeks old. The congenic region is on chromosome 11 and spans approximately 84-96 Mb. There were two groups of mice used in the analysis: B6 control mice versus congenic mice. Congenic mice were collapsed across heterozygous and homozygous genotypes. All mice are on a C57BL/6J background. Congenic mice differ only on chromosome 11 where they contain the introgressed A/J alleles from 84-96 Mb. 14 C57BL/6J wildtype mice and 14 B6.A/J congenic mice (84-96 Mb region from A/J strain) were examined for gene expression differences using striatal tissue (left and right punches pooled). All mice were drug-naïve and were 6-9 weeks old at the time of sacrifice.
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