Ontology highlight
ABSTRACT:
PROVIDER: PRJNA608981 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR11190800_1.fastq.gz | Fastqsanger.gz | |||
| SRR11190800_2.fastq.gz | Fastqsanger.gz | |||
| SRR11190801_1.fastq.gz | Fastqsanger.gz | |||
| SRR11190801_2.fastq.gz | Fastqsanger.gz | |||
| SRR11190802_1.fastq.gz | Fastqsanger.gz |
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Project description:Molecular events regulating apple fruit ripening and sensory quality are largely unknown. Such knowledge is essential for genomic-assisted apple breeding and postharvest quality management. In this study, a parallel transcriptome profile analysis, scanning electron microscopic (SEM) examination and systematic physiological characterization were performed on two apple cultivars, Honeycrisp (HC) and Cripps Pink (CP), which have distinct ripening features and texture attributes. Systematic physiological characterization of fruit ripening based on weekly maturity data indicated substantial differences in fruit crispness and firmness at comparable ripening stages. SEM images of fruit cortex tissues prepared from fruits with equivalent maturity suggested that the cell wall thickness may contribute to the observed phenotypes of fruit firmness and crispness. A high-density long-oligo apple microarray consisting of duplex 190,135 cross-hybridization-free 50-70-mer isothermal probes, and representing 23,997 UniGene clusters, was manufactured on a Nimblegen array platform. Transcriptome profiling identified a total of 1793 and 1209 UniGene clusters differentially expressed during ripening from cortex tissues of HC and CP, respectively. UniGenes implicated in hormone metabolism and response, cell wall biosynthesis and modification and those encoding transcription factors were among the prominent functional groups. Between the two cultivars, most of the identified UniGenes were similarly regulated during fruit ripening; however, a short list of gene families or specific family members exhibited distinct expression patterns between the two cultivars, which may represent candidate genes regulating cultivar-specific apple fruit ripening patterns and quality attributes. Using a single color labeling system, a total of 24 microarray slides were utilized, one for each cortex tissue sample, for transcriptome profiling analysis. 2 cultivars x 3 developmental stages x 4 biological replicates.
2010-11-05 | E-GEOD-24523 | biostudies-arrayexpress
Project description:Based on sensorial analysis over 2 years, 12 apple varieties and 4 hybrides with contrasted fruit texture were selected for transcriptionnal analyses over 4 months of cold storage (harvest, 1 month, 2 and 4 months).
2018-12-03 | GSE101716 | GEO
Project description:Background: Fruit color is an important quality trait for nutrition value in tomato (Solanum lycopersicum) and has attracted huge attention for a long time. In order to dissect the yellow-fruit color of a novel tomato mutant n3122, we compared the dynamic transcriptome of the fruit pericarps from the mutant n3122 and its wild type red-fruited tomato cultivar M82. Results: The transcriptomes of fruits from M82 35 DPA (Days Post Anthesis), M82 47 DPA, M82 54 DPA, n3122 35 DPA, n3122 47 DPA, n3122 54 DPA and n3122 60 DPA were sequenced using an Illumina Hiseq 2000 sequencing platform. A total of 5568 differentially expressed genes (DEGs) were commonly identified in the four pairwise comparisons of M82_35 DPA vs n3122_35 DPA, M82_47 DPA vs n3122_47 DPA, M82_54 DPA vs n3122_54 DPA and M82_47 DPA vs n3122_60 DPA. Further Gene Ontology (GO) enrichment and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses revealed that carotenoids biosynthesis, ethylene biosynthesis and signaling transduction, and transcription factors associated fruit ripening were different between M82 and n3122 which might be the underlying mechanisms for the yellow-fruit color of tomato. Conclusions: This research provided a global data set of dynamic transcriptomic changes during fruit development and ripening for the wild type red-fruited tomato cultivar M82 and its yellow-fruited mutant n3122, and offered a base for elucidating the molecular mechanisms underlying tomato red/yellow fruit color mutation.
2017-04-10 | GSE73908 | GEO
Project description:Apple (Malus x domestica Borkh.) is a model fruit species to study the metabolic changes occurring at the onset of ripening as well the physiological mechanism governed by the hormone ethylene. In this survey, to dissect the climacteric interplay in apple, a multidisciplinary approach was employed. To this end, a comprehensive analysis of gene expression together with the investigation of several physiological entities (texture, volatilome and polyphenolic compounds) was carried out throughout fruit development and ripening. The transcriptomic profiling was conducted with two microarray platforms, a custom array dedicated to fruit ripening pathways (iRIPE) and a whole genome array specifically enriched of ripening related genes for apple (WGAA). The transcriptomic and phenotypic changes following the application of 1-methylcyclopropene (1-MCP), an ethylene inhibitor, were also highlighted. The suppression of ethylene modified and delayed the ethylene receptors turnover, leading to important modifications in the overall fruit physiology. The integrative comparative network analysis showed both negative and positive correlations between ripening related transcripts and accumulation of specific metabolites or texture components. The ripening distortion caused by the inhibition of the ethylene perception besides affecting the ethylene and texture control, stimulated the de-repression of auxin related genes, transcription factors and photosynthethic genes. In the end, the comprehensive repertoire of results obtained here step forwards in the elucidation of the multi-layered control of ethylene, hypothesizing a possible hormonal cross-talk coupled with a transcriptional regulation. 48 samples analyzed; 8 stages have been identified over the fruit development and ripening (from flower to post harvest ripening) of apple fruit belonging to two apple cultivars (Golden Delicious and Granny Smith), ending with 16 samples (3 replacates for each sample)
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Project description:Fruit flavor and color are critical quality characteristics of tomatoes. Numerous studies have demonstrated that tomato flavor is primarily linked to the sugar-acid content and its ratio, while fruit color is predominantly determined by the composition and concentration of carotenoids and flavonoids. To elucidate the regulatory mechanisms underlying the differences in sugar-acid and color formation during fruit ripening, transcriptome analyses were conducted on the closely related yellow-fruited tomato (No.19) and red-fruited tomato (No.20) strains. This analysis aimed to identify key regulatory genes and biosynthetic pathways related to flavor and color development in tomato fruits. The transcriptome analysis revealed that 1,546 differentially expressed genes (DEGs) were identified in the Br19_vs_Br20 comparison, of which 507 were up-regulated and 1,039 were down-regulated. In the MF19_vs_MF20 comparison, 2,178 DEGs were detected, with 1,235 up-regulated and 943 down-regulated. Upon further analysis of the differentially expressed genes, we identified several key genes in the sugar-acid metabolic pathway, including sucrose synthase (SUS), phosphofructokinase (PFK), fructose-bisphosphate aldolase (FBA), citrate synthase (CS), and succinate dehydrogenase (SuDH), which may significantly influence tomato flavor. Additionally, differential genes related to carotenoid and flavonoid metabolism, such as cytochrome P450 98A (CYP98A), caffeoyl-CoA3-O-methyltransferase (CCoAMT), carotenoid isomerase (CRTISO), lycopene beta cyclase (LCYB), zeaxanthin epoxidase (ZEP), violaxanthin deepoxidase (VDE), and 9-cis-epoxycarotenoid dioxygenase (NCED), as well as genes linked to ethylene synthesis, such as 1-aminocyclopropane-1-carboxylate synthase (ACS) and 1-aminocyclopropane-1-carboxylic acid oxidase (ACO), may play a role in the color changes observed in tomatoes. The findings of this study provide insights into the underlying mechanisms of flavor and color development in tomato fruit, offering valuable information for the genetic improvement of tomatoes.
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Project description:Apple (Malus x domestica Borkh.) is a model fruit species to study the metabolic changes occurring at the onset of ripening as well the physiological mechanism governed by the hormone ethylene. In this survey, to dissect the climacteric interplay in apple, a multidisciplinary approach was employed. To this end, a comprehensive analysis of gene expression together with the investigation of several physiological entities (texture, volatilome and polyphenolic compounds) was carried out throughout fruit development and ripening. The transcriptomic profiling was conducted with two microarray platforms, a custom array dedicated to fruit ripening pathways (iRIPE) and a whole genome array specifically enriched of ripening related genes for apple (WGAA). The transcriptomic and phenotypic changes following the application of 1-methylcyclopropene (1-MCP), an ethylene inhibitor, were also highlighted. The suppression of ethylene modified and delayed the ethylene receptors turnover, leading to important modifications in the overall fruit physiology. The integrative comparative network analysis showed both negative and positive correlations between ripening related transcripts and accumulation of specific metabolites or texture components. The ripening distortion caused by the inhibition of the ethylene perception besides affecting the ethylene and texture control, stimulated the de-repression of auxin related genes, transcription factors and photosynthethic genes. In the end, the comprehensive repertoire of results obtained here step forwards in the elucidation of the multi-layered control of ethylene, hypothesizing a possible hormonal cross-talk coupled with a transcriptional regulation. whole genome array specifically enriched of ripening related genes for apple (WGAA) with two cultivars (Golden Delicious and Granny Smith)
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Project description:Based on sensorial analysis over 4 years, 6 apple genotypes with contrasted fruit texture (mealy or not) were selected among a progeny. Apple samples were collected at 100 days after flowering (100 DAF), harvest (H), after 2 and 4 months of cold storage (60DAH and 120DAH respectively).
2015-06-25 | GSE59947 | GEO
Project description:Apple (Malus x domestica Borkh.) is a model fruit species to study the metabolic changes occurring at the onset of ripening as well the physiological mechanism governed by the hormone ethylene. In this survey, to dissect the climacteric interplay in apple, a multidisciplinary approach was employed. To this end, a comprehensive analysis of gene expression together with the investigation of several physiological entities (texture, volatilome and polyphenolic compounds) was carried out throughout fruit development and ripening. The transcriptomic profiling was conducted with two microarray platforms, a custom array dedicated to fruit ripening pathways (iRIPE) and a whole genome array specifically enriched of ripening related genes for apple (WGAA). The transcriptomic and phenotypic changes following the application of 1-methylcyclopropene (1-MCP), an ethylene inhibitor, were also highlighted. The suppression of ethylene modified and delayed the ethylene receptors turnover, leading to important modifications in the overall fruit physiology. The integrative comparative network analysis showed both negative and positive correlations between ripening related transcripts and accumulation of specific metabolites or texture components. The ripening distortion caused by the inhibition of the ethylene perception besides affecting the ethylene and texture control, stimulated the de-repression of auxin related genes, transcription factors and photosynthethic genes. In the end, the comprehensive repertoire of results obtained here step forwards in the elucidation of the multi-layered control of ethylene, hypothesizing a possible hormonal cross-talk coupled with a transcriptional regulation.
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