Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1259577 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR33451946_1.fastq.gz | Fastqsanger.gz | |||
| SRR33451946_2.fastq.gz | Fastqsanger.gz | |||
| SRR33451947_1.fastq.gz | Fastqsanger.gz | |||
| SRR33451947_2.fastq.gz | Fastqsanger.gz | |||
| SRR33451948_1.fastq.gz | Fastqsanger.gz |
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Project description:affy_duplicature_lyon_rose. The objective is to identify the genes involved in petal doubling in rose. In this study we are using two rosa gallica genotypes: wild-type (simple flower rose) and Cardinal de Richelieu (double flower rose), and two rosa hybrida genotypes : Souvenir de la Malmaison, which has about 110 petal, and its bud sport cultivar, Souvenir de St Anne’s. In this study, we used a microarray approach to compare the transcriptome of double flower rose (CDR) versus simple flower rose (G). The objective is to identify genes whose expression is associated with the double flower phenotype. These genes are putative candidates involved in the control of petal organ number per flower. Floral buds were dissected under a microscope and pooled in eppendorf tubes. Tissue samples were harvested at the same time during 3 weeks in April 2007. Total RNA was extracted from the pools of flowers using the Plant RNA kit (Macherey Nagel), and then used to hybridize Rosa-Affymetrix microarrays. Keywords: genotype comparison
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Project description:affy_duplicature_lyon_rose. The objective is to identify the genes involved in petal doubling in rose. In this study we are using two rosa gallica genotypes: wild-type (simple flower rose) and Cardinal de Richelieu (double flower rose), and two rosa hybrida genotypes : Souvenir de la Malmaison, which has about 110 petal, and its bud sport cultivar, Souvenir de St Anne’s. In this study, we used a microarray approach to compare the transcriptome of double flower rose (CDR) versus simple flower rose (G). The objective is to identify genes whose expression is associated with the double flower phenotype. These genes are putative candidates involved in the control of petal organ number per flower. Floral buds were dissected under a microscope and pooled in eppendorf tubes. Tissue samples were harvested at the same time during 3 weeks in April 2007. Total RNA was extracted from the pools of flowers using the Plant RNA kit (Macherey Nagel), and then used to hybridize Rosa-Affymetrix microarrays. Keywords: genotype comparison 8 arrays - rose. 4 genotypes, 2 replicates each.
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Project description:Marigold (Tagetes erecta L.) is an important ornamental plant with a wide variety of colors. Despite its economic value, there are few biochemical and molecular basic studies of flower color in marigold. To study the mechanism behind its color formation, metabolomics analysis and de novo cDNA sequencing was performed on marigold inbred line ‘V-01’ and its petal color mutant ‘V-01M’, in four flower developmental stages.
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Project description:Pink-flowered strawberry is a new promising ornamental flower derived from intergeneric hybridization (Fragaria × Potentilla) with bright color, prolonged flowering period and edible fruits. However, the transcriptional events underlying anthocyanins biosynthesis pathway have not been fully characterized in its petal coloration. The pigment compounds accumulated in its fruits were the same as cultivated strawberry, but different from in its flowers. To gain insights into the regulatory networks related to anthocyanin biosynthesis and identify key genes, we performed an integrated analyses of the transcriptome and metabolomes involved in red petals at three development stages (Bud stage (L), Coloration beginning stage (Z) and Big bud stage (D)) of pink-flowered strawberry. Transcript and metabolite profiles were generated through high-throughput RNA-sequencing and high-performance liquid chromatography coupled with mass spectrometry, respectively. The results showed that the main pigments of red and dark pink petals were anthocyanins, among which cyanidins were the main compounds. There were no anthocyanins detected in white-flowered hybrids. A total of 50 285 non-redundant unigenes were obtained from the transcriptome databases, among which 59 differentially expressed genes could be identified as putative homologues of flower coloration related genes. Based on a comprehensive analysis relating pigmentation compounds to gene expression profiles, the mechanism of flower color formation was examined in pink-flowered strawberry. Furthermore, a new hypothesis explaining the lack of color phenotype of the white-flowered strawberry hybrids from the level of the transcriptome. The expression patterns of FpDFR gene and FpANS gene corresponded to the accumulation patterns of cyanidin contents in pink-flowered strawberry hybrids with different shades of pink; Whereas other anthocyanin biosynthesis genes were weakly related flower color deepened. Moreover, FpANS, FpBZ1 and FpUGT75C1 genes were the key factors that lead to the inability to accumulate anthocyanins in the white petals of PFS hybrids. Meanwhile, the competitive effect of FpFLS gene and FpDFR gene may further inhibit anthocyanin synthesis. The data presented herein are important for understanding of the molecular mechanisms underlying the petal pigmentation and will be powerful for integrating into novel genes that are potential targets for breeding new valuable pink-flowered strawberry cultivars.
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