Ontology highlight
ABSTRACT:
PROVIDER: PRJNA588580 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR10424562_1.fastq.gz | Fastqsanger.gz | |||
| SRR10424562_2.fastq.gz | Fastqsanger.gz | |||
| SRR10424563_1.fastq.gz | Fastqsanger.gz | |||
| SRR10424563_2.fastq.gz | Fastqsanger.gz | |||
| SRR10424564_1.fastq.gz | Fastqsanger.gz |
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Project description:Four days old rice calli were selected to grow 324h under spaceflight controls, 1g-flight controls and 1g-ground controls. We used microarrays to detail the global programme of gene expression underlying cellularisation and identified distinct classes of up-regulated genes during this process. Rice calli were selected at different treatment for RNA extraction and hybridization on Affymetrix microarrays. We sought to obtain the diff-genes that caused by the microgravity.
2016-03-03 | E-GEOD-78839 | biostudies-arrayexpress
Project description:Background The safety of CRISPR-based gene editing methods is of the utmost priority in clinical applications. Previous studies have reported that Cas9 cleavage induced frequent aneuploidy in primary human T cells, but whether cleavage-mediated editing of base editors would generate off-target structure variations remains unknown. Here, we investigated the potential off-target structural variations associated with CRISPR/Cas9, ABE and CBE editing in mouse embryos and primary human T cells by whole-genome sequencing and single-cell RNA-seq analyses. Results The results showed that both Cas9 and ABE generated off-target structural variations (SVs) in mouse embryos, while CBE induced rare SVs. In addition, off-target large deletions were detected in 32.74% of primary human T cells transfected with Cas9 and 9.17% of cells transfected with ABE. Moreover, Cas9-induced aneuploid cells activated the P53 and apoptosis pathways, whereas ABE-associated aneuploid cells significantly upregulated cell cycle-related genes and arrested in G0 phase. A percentage of 16.59% and 4.29% aneuploid cells were still observable at 3 weeks post transfection of Cas9 or ABE. These off-target phenomena in ABE were universal as observed in other cell types such as B cells and Huh7. Furthermore, the off-target SVs were significantly reduced in cells treated with high-fidelity ABE (ABE-V106W). Conclusions This study raises urgent need for minimizing the off-target SVs of CRISPR/Cas9 and ABE.
2024-11-01 | GSE280767 | GEO
Project description:Agrobacterium tumefaciens-mediated genetic transformation has been routinely used in rice for more than a decade. However, the transformation efficiency of the indica rice variety is still unsatisfactory and much lower than that of japonica cultivars. Further improvement on the transformation efficiency lies in the genetic manipulation of the plant itself, which requires a better understanding of the underlying process accounting for the susceptibility of plant cells to Agrobacterium infection as well as the identification of plant genes involved in the transformation process. In order to investigate the related genes affecting the transformation efficiency of embryogenic calli of different rice cultivars, we used Affymetrix GeneChipM-BM-. Rice Genome Array to measure the global gene expression profiling just before transformation and at four different time points after transformation (1 h, 6 h, 12 h, 24 h) in both japonica rice cultivar Nipponbare and indica rice cultivar Zhenshan 97. The mature embryo-derived embryogenic calli of Nipponbare (Nip) and Zhenshan 97 (ZS) were infected by Agrobacterium. Calli of Nip and ZS were sampled just before infection (0 h) and 1h, 6h, 12 h and 24h after infection, respectively. Three independent biological replications for each time point of the two varieties were used. To avoid the influence of polymorphisms between the probe sequence on the array and the genomes of the varieties used, we used a genomic DNA (gDNA)-based probe-selection strategy based on the hybridization efficiency of gDNA from Nip and ZS with the PM oligonucleotide probes on the rice array. The genomic DNA of Nip and ZS were extracted and hybridized to the Affymetrix Rice Genome Arrays. Three biological replications per cultivar were performed.
2012-01-01 | E-GEOD-32426 | biostudies-arrayexpress
Project description:Purpose: The goal of our study is to compare two different ecotypes of Oryza sativa L., PHS-susceptible rice trait and PHS-resistant rice trait under three different maturation stages in rice seed embryo with profile of miRNA-seq. Methods: Oryza sativa. L miRNA profiles of two different ecotypes with 3 different maturation stages of rice seed embryo were generated by NGS, in duplicate, following Illumina NGS workflow. Results: We found the differentially expressed microRNAs between PHS-susceptible rice trait and PHS-resistant rice trait according to the three different seed maturation stages. Target transcripts of differentially expressed microRNAs have been predicted via psRNATarget web server, and a part of those target genes are likely to be regulated by microRNAs, affecting overall responses to heat stress and the regulation of seed dormancy during maturation. Conclusions: Our study represents the analysis of rice seed small RNAs, specifically microRNAs, under two different ecotypes, three different seed maturation stages in rice seed embryo. Our results show that microRNAs are involved in response to heat stress and the regulation of seed dormancy. This study will provide a foundation for understanding dynamics of seed dormancy during the seed development and overcoming pre-harvest sprouting.
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Project description:Four days old rice calli were selected to grow 324h under spaceflight controls, 1g-flight controls and 1g-ground controls. We used microarrays to detail the global programme of gene expression underlying cellularisation and identified distinct classes of up-regulated genes during this process.
2016-03-03 | GSE78839 | GEO