Project description:Different companies have developed sequencing platforms with a wide variety of strengths and drawbacks. Illumina is currently used for high-throughput and highly accurate short-read sequencing, however, other companies, such as MGI Tech, have developed a similar sequencing method at a lower cost. The accuracy, sensitivity, and reproducibility of Illumina and MGI Tech have been compared, showing high similarity. While many comparisons exist, the performance of MGI on gene expression and cell clustering for single-cell applications is unknown. In this study, we performed single-cell RNA sequencing on three human breast cancer samples to compare the cell clustering or average gene expressions for the reads generated by Illumina and MGI sequencing. We observed unique platform-specific cells detected and show that these low-quality cells appear randomly and could only affect minor cell populations.
Project description:Transcription profiling by array of wild type and p300 KIX/KIX; CBP +/KIX primary mouse embryonic fibroblasts (MEFs) transduced with either MSCV-c-Myb_IRES-GFP or MSCV-IRES-GFP retrovirus to determine the effect of mutating the KIX domain of CBP and p300 on c-Myb regulated gene expression. CBP KIX mutation (MGI:3578129) and p300 KIX mutation (MGI:3578128).
Project description:Dmrt1 (doublesex and mab-3 related transcription factor 1) is a conserved transcriptional regulator of male differentiation required for testicular development in vertebrates. This study examines the result of conditional removal of Dmrt1 from Sertoli cells in P28 testis tissue. Testes from P28 Dmrt1 flox/flox mice were compared to testes from P28 Dmrt1 flox/flox mice with the Sertoli cell-specific Sf1 (Nr5a1; MGI:1346833) or Dhh (MGI:94891) promoters driving Cre expression.
Project description:Three congenic mouse strains were profiled with microarrays and were analyzed using a QTL/Microarray approach to identify candidate genes that regulate biometric phenotypes: HG2D (HG.CAST-(D2Mit329-D2Mit457)), HG11 (HG.CAST-(D11Mit260-D11Mit255, MGI reference: 3771218), and HG17 (HG.CAST-(D17Mit196-D17Mit190); MGI reference: 3771215). All these congenic strains isolate CAST/EiJ (CAST) alleles in a C57BL/6Jhg/hg (C57) background and bare the hg deletion in the high growth locus on chromosome 10. F2 animals from intercrossing congenic males and C57 control females were profiled for gene expresion on brain, liver and gonadal white fat. To detect differential expression produced by allelic effects of biometric QTLs on chromosomes 2, 11, and 17.
Project description:Small RNA libraries were constructed from total RNA from Jasminum sambac plants exhibiting virus-like symptoms. After sequencing, small RNAs were assembled into contigs with MetaVelvet and assembled contigs were aligned against the NR database of NCBI using BLASTx. Top hits that reported a virus as subject were considered putative viral sequences. Based on such alignments, the whole genome of a virus, we tentatively name Jasmine Virus H was recovered and cloned. Two more small RNA libraries were made in a confirmatory experiment. One from Jasminum sambac and another one from Nicotiana benthamiana plants infected with the newly-cloned virus. The small RNA libraries were aligned against the full-length sequence of Jasmine Virus H to determine the spacial distribution of virus-derived small RNAs along the virus genome.
2018-01-01 | GSE96704 | GEO
Project description:Digital read cross-contamination in MGI sequencing data
Project description:Three congenic mouse strains were profiled with microarrays and were analyzed using a QTL/Microarray approach to identify candidate genes that regulate biometric phenotypes: HG2D (HG.CAST-(D2Mit329-D2Mit457)), HG11 (HG.CAST-(D11Mit260-D11Mit255, MGI reference: 3771218), and HG17 (HG.CAST-(D17Mit196-D17Mit190); MGI reference: 3771215). All these congenic strains isolate CAST/EiJ (CAST) alleles in a C57BL/6Jhg/hg (C57) background and bare the hg deletion in the high growth locus on chromosome 10. F2 animals from intercrossing congenic males and C57 control females were profiled for gene expresion on brain, liver and gonadal white fat. To detect differential expression produced by allelic effects of biometric QTLs on chromosomes 2, 11, and 17. Three strains were profiled: HG2D, HG11, and HG17, isolating CAST alleles in a high growth (HG) background on chromosomes 2, 11, and 17 respectively. Four biological replicates were assayed per strain for brain, liver and gonadal white adipose tissue. Experiments for each chromosomes were done independently. Only genotype comparisons within tissue in each strain were performed.