Ontology highlight
ABSTRACT:
PROVIDER: PRJNA603146 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR10963665_1.fastq.gz | Fastqsanger.gz | |||
| SRR10963666_1.fastq.gz | Fastqsanger.gz | |||
| SRR10963667_1.fastq.gz | Fastqsanger.gz | |||
| SRR10963668_1.fastq.gz | Fastqsanger.gz | |||
| SRR10963669_1.fastq.gz | Fastqsanger.gz |
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Project description:Purpose: We conducted a reverse genetic approach in order to elucidate the role of H3K27me3 writers and erasers in the process of sex determination and expression in melon. Methods: We used TILLING to find loss-of function mutants of cmLHP1 proteins in melon. Selected alleles were phenotyped at the developmental and molecular levels. We generated the cmlhp1ab mutant, for which we observed a pleiotropic phenotype. For this double mutant, we integrated RNA-seq (leaves), ChIP-seq (leaves) and RT-PCR (flowers) for elucidating the impact of cmLHP1 loss of function at the molecular level. Results: cmlhp1ab displayed a pleiotropic phenotype which correlated with genome-wide changes of H3K27me3 (moore oftenly hypomethylation) and deregulation of genes involved in flower development and hormone responses.
2022-02-15 | GSE180385 | GEO
Project description:Purpose: We conducted a reverse genetic approach in order to elucidate the role of H3K27me3 writers and erasers in the process of sex determination and expression in melon. Methods: We used TILLING to find loss-of function mutants of cmLHP1 proteins in melon. Selected alleles were phenotyped at the developmental and molecular levels. We generated the cmlhp1ab mutant, for which we observed a pleiotropic phenotype. For this double mutant, we integrated RNA-seq (leaves), ChIP-seq (leaves) and RT-PCR (flowers) for elucidating the impact of cmLHP1 loss of function at the molecular level. Results: cmlhp1ab displayed a pleiotropic phenotype which correlated with genome-wide changes of H3K27me3 (moore oftenly hypomethylation) and deregulation of genes involved in flower development and hormone responses.
2022-02-15 | GSE180383 | GEO
Project description:cDNA libraries of Melon leaves and fruits at the different stage
2021-06-15 | GSE178084 | GEO
Project description:We sequenced DNA from the leaves of ten Col x Ler F1 hybrid plants (WT and recq4) using Nanopore long-read sequencing and identified crossover sites with COmapper. These data were used as a negative control for COmapper, as no crossover sites were expected to be detected. For nanopore sequencing of gDNA from leaves, leaves from 10 5-week-old plants were ground in liquid nitrogen using a mortar and pestle. The ground tissue was resuspended in four volumes of CTAB buffer (1% [w/v] CTAB, 50 mM Tris-HCl pH 8.0, 0.7 M NaCl, 10 mM EDTA) and incubated at 65°C for 30 min. Following chloroform extraction, isopropanol precipitation and removal of RNAs as above, the gDNA pellet was resuspended in 150 μl TE (10 mM Tris-HCl pH 8.0, 0.1 mM EDTA) buffer and gDNA was quantified using a Qubit dsDNA Broad Range assay kit (Thermo Fisher, Q32853). Nine micrograms of gDNA from pollen or seedlings was used to construct a nanopore long-read sequencing library using a Ligation Sequencing Kit V14 (Nanopore, SQK-LSK114). The libraries were sequenced using a PromethION platform (BGI, Hong Kong).
2024-08-19 | E-MTAB-14381 | biostudies-arrayexpress
Project description:Virus resistances that are recessively inherited are associated with loss-of-susceptibility resistance alleles. Resistance to Watermelon mosaic virus (WMV) of melon accession TGR-1551 is expressed as a drastic reduction of the virus titer, and is recessively inherited. In this work, viral RNA accumulation was measured in TGR-1551 and in susceptible WMV-infected melon plants by real time quantitative PCR (qPCR), and gene expression of 17,443 unigenes represented in a melon microarray was monitored in a time-course experiment. Virus accumulation was higher in inoculated cotyledons of the resistant genotype up to 7 days post-inoculation; from this time on, virus accumulation was much higher in plants of the susceptible genotype. Microarray experiments were carried with samples from inoculated cotyledons at 1 and 3 dpi to monitor early changes in response to virus infection, and at 7 dpi. Samples from systemically infected leaves harvested at 15 dpi were also included in the analysis. Results showed much more profound transcriptomic alterations in resistant plants compared to susceptible ones. Analyses of gene expression profiles reveal deep and extensive transcriptomic alterations in TGR-1551 plants, many of them involving pathogen response-related genes. Overall, data suggested that resistance to WMV in TGR-1551 is associated with a defense response, contrasting with its recessive nature. Two melon genotypes have been used to analyse transcriptomic responses to infection by Watermelon mosaic virus: Tendral (susceptibel to WMV) and TGR-1551 (resistant to WMV). For each genotype, 60 melon seedlings were inoculated with WMV-M116 and another 60 were mock-inoculated. Cotyledons of 10 plants were harvested at 1, 3, 5, 7, 9 and 15 dpi. At 15 dpi, the systemically infected second true leaf was also harvested. To reduce variability, each biological replicate used in this study was prepared by mixing the RNA extracts from 2 or 4 mock or WMV-inoculated cotyledons, respectively, or from 3 melon leaves. Samples (WMV infected and mock inoculated) corresponding to cotyledons at 1, 3 and 7 dpi, and leaves at 15 dpi were used for microarray hybridisations, three biological replicates for each one, leading to a total of 48 samples.
2011-10-02 | E-GEOD-30111 | biostudies-arrayexpress
Project description:<p>Despite the nuclear localization of the m6A machinery, the genomes of multiple exclusively-cytoplasmic RNA viruses, such as chikungunya (CHIKV) and dengue (DENV), are reported to be extensively m6A-modified. However, these findings are mostly based on m6A-seq, an antibody-dependent technique with a high rate of false positives. Here, we addressed the presence of m6A in CHIKV and DENV RNAs. For this, we combined m6A-seq and the antibody-independent SELECT and nanopore direct RNA sequencing techniques with functional, molecular, and mutagenesis studies. Following this comprehensive analysis, we found no evidence of m6A modification in CHIKV or DENV transcripts. Furthermore, depletion of key components of the host m6A machinery did not affect CHIKV or DENV infection. Moreover, CHIKV or DENV infection had no effect on the m6A machinery’s localization. Our results challenge the prevailing notion that m6A modification is a general feature of cytoplasmic RNA viruses and underscore the importance of validating RNA modifications with orthogonal approaches.</p>
2024-01-25 | MTBLS6978 | MetaboLights
Project description:Melon RNA-Seq analysis was used to identify candidate resistance genes and to understand the early molecular processes deployed during melon versus Fusarium oxysporum f.sp. melonis Snyd. & Hans race 1.2 (FOM1.2) interaction in the resistant doubled haploid line NAD as opposed to the susceptible genotype Charentais-T at 24 and 48 hours post inoculation (hpi).
2017-09-30 | E-MTAB-4939 | biostudies-arrayexpress
Project description:Purpose: the goals of this study are to compare fruit of two clitivars oriental melon transcriptome profiling (RNA-seq) at different stages to explore carotenoid potentail carotenoid accumulation mechanism Methods:The transcriptome sequence of two cultivars oriental melon fruits at different stages were generated by deep sequencing with three repeats using Illumina. The sequence reads that passed filters were mapped to melon genome (http://cucurbitgenomics.org/organism/18) using HISAT2 software. The differently expressed genes were identify by |log2(FoldChange)| > 0 & padj <= 0.05, and qRT–PCR validation was performed using SYBR Green assays Result:Using an optimized data analysis workflow, we mapped about 40 million sequence reads per sample to the melon genome. The differentially expressed genes were functionally classified by GO and KEGG enrichment. We focused on carotenoid metabolism related gene and validated using qRT-PCR. The results showed RNA-seq and qRT-PCR were highly correlated. Conclusion: Our study provided transcriptome sequence of oriental melon fruits at different stages in two cultivars. The optimized data analysis workflows reported here should provide comparative framework of expression profiles. Our transcriptome characterization contribute to analyze gene functions and metabolic process of oriental melon.
2022-01-13 | GSE193412 | GEO
Project description:RNA-seq data of melon leaves and fruits at multiple developmental stages
| PRJNA737338 | ENA