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ABSTRACT: RNA-Seq for white and orange flower petals of Brassica napus

PROVIDER: PRJNA1039725 | ENA |

REPOSITORIES: ENA

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Dataset's files

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			Action	DRS
	SRR26804223_1.fastq.gz	Fastqsanger.gz
	SRR26804223_2.fastq.gz	Fastqsanger.gz
	SRR26804224_1.fastq.gz	Fastqsanger.gz
	SRR26804224_2.fastq.gz	Fastqsanger.gz
	SRR26804225_1.fastq.gz	Fastqsanger.gz

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Production of Red Flower Rapeseed by Ectopic Expression of OvPAP2 Identified in Brassica napus-Orychophragmus violaceus Addition Line by Comparative Transcriptome Analysis

Project description:Oilseed rape is both an important oleaginous crop and agriculture sightseeing crop whereas has relatively scanty flower color. As natural ﬂavonoids, Anthocyanin are responsible for the attractive red, purple, and blue colors of various tissues in higher plants, especially for the ornamental plants flower. One Brassica napus-Orychophragmus violaceus disomic addition line (M4) obtained previously exhibits red petals whichresult from anthocyanin biosynthesis. Transcriptome analysis of M4, B. napus (H3), natural individuals of O. violaceus with purple petals (OvP) and white petals (OvW) revealed that most of structural genes for the anthocyanin synthesis were up-regulated in both M4 and OvP, especially key gene ANS in the last step. Reads assembling and sequence alignment showed that the regulatory DEG PAP2 in M4 was from the transcript of O. violaceus. OvPAP2 was transformed into Arabidopsis thaliana and B. napus driven by the CaMV35S promoter and the rape petal-specific prompter XY355. Transgenic A. thaliana plants showed different levels of purple pigments in most of the organs, including the petals, and transgenic B. napus flowers exhibited restricted accumulation of anthocyanins in stamens when driven by CaMV35S promoter, but generated both red petals and anthers driven by the XY355 promoter. These results provided a platform for expounding the anthocyanin biosynthesis pathway in B. napus petals and give a successful case for flower color modification of the agriculture sightseeing rape.

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Project description:BSA-Seq for white and orange-yellow flower petals of Brassica napus

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Project description:white flower RNA-seq in Brassica napus.L

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Cryptochrome 1 regulates growth and development in Brassica through alteration in the expression of genes involved in light, phytohormone and stress signalling.

Project description:To cover a comprehensive understanding of the complex regulatory networks controlling cryptochrome 1(CRY1)-mediated photomorphogenic response in Brassica, a genome-wide differential expression analysis was performed for the 5-day-old T3 BnCRY1-OE and wild type seedlings grown under white light (100 M-BM-5mol mM-bM-^@M-^S2sM-bM-^@M-^S1) on 0.8% agar-gelled MS (Murashige and Skoog) medium containing 2% sucrose. Total RNA was extracted and cleaned up with the Qiagen RNeasy Plant Mini Prep Kit as per the manufacturerM-bM-^@M-^Ys instructions (Qiagen). The yield and RNA purity were determined spectrophotometrically. Integrity of the RNA was checked using Agilent Bioanalyzer (Agilent Technologies, USA). 500 ng RNA of each of the sample was processed for microarray analysis according to Agilent protocol. Keywords: Cryptochrome, Brassica, photomorphogenesis, differential expression. Agilent one-color experiment, Organism: B. napus (Brassica) Oligo Microarray, Agilent-022520 B. napus (Brassica) Oligo Microarray 4x44K, Labeling kit: Agilent Quick-Amp labeling Kit (p/n5190-0442)

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Project description:This dataset belongs to a set of three RNA-Seq experiments that were carried out to study the regulation of monoterpenoid indole alkaloid production in the medicinal plant Catharanthus roseus. For this dataset, C. roseus flower petals were infiltrated with Agrobacterium tumefaciens C58C1 or infiltration buffer as control. For each sample, flower petals from four to five flowers, each from a different individual plant were infiltrated.

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Project description:MicroRNAs and siRNAs are important regulators of plant development and seed formation, yet their population and abundance in the oil crop Brassica napus are still less understood, especially at different developmental stages and among cultivars with varied seed oil contents. Here, we systematically analyzed the small RNA expression profiles of Brassica napus seeds at early embryonic developmental stages in a high oil content and a low oil content Brassica napus cultivars, both cultured in two environments. A total of 50 conserved miRNAs and 11 new miRNAs were identified, together with some new miRNA targets. Expression analysis revealed some miRNAs with varied expression levels in different seed oil content cultivars or at different embryonic developmental stages. A large amount of 23-nt small RNAs with specific nucleotide composition preference were also identified, which may present new classes of functional small RNAs.

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