Ontology highlight
ABSTRACT:
PROVIDER: PRJNA753954 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR15429987.fastq.gz | Fastqsanger.gz | |||
| SRR15429988.fastq.gz | Fastqsanger.gz | |||
| SRR15429989.fastq.gz | Fastqsanger.gz | |||
| SRR15429990.fastq.gz | Fastqsanger.gz |
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Project description:Compared to ordinary rapeseed, high-oleic acid rapeseed has higher levels of monounsaturated fatty acids and lower levels of saturated fatty acid and polyunsaturated fatty acids, and thus is of high nutritional and health value. In addition, high-oleic acid rapeseed oil imparts cardiovascular protective effects. Based on these properties, high-oleic acid oil crops have been extensively investigated and cultivated. In this study, we employed a microarray analysis with high oleic acid line and low oleic acid line from the developing seeds (27 days after flowering) of Brassica napus.
2018-09-20 | GSE120223 | GEO
Project description:Oil rapeseed (Brassica napus L.) is a typical winter biennial plant, with high cold tolerance during vegetative stage. In recent years, more and more early-maturing rapeseed varieties were planted across China. Unfortunately, the early-maturing rapeseed varieties with low cold tolerance have higher risk of freeze injury in cold winter and spring. Little is known about the molecular mechanisms for coping with different low-temperature stress conditions in rapeseed. In this study, we investigated 47,328 differentially expressed genes (DEGs) of two early-maturing rapeseed varieties with different cold tolerance treated with cold shock at chilling (4°C) and freezing (−4°C) temperatures, as well as chilling and freezing stress following cold acclimation or control conditions. Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis indicated that two conserved (the primary metabolism and plant hormone signal transduction) and two novel (plant-pathogen interaction pathway and circadian rhythms pathway) signaling pathways were significantly enriched with differentially-expressed transcripts. Our results provided a foundation for understanding the low-temperature stress response mechanisms of rapeseed. We also propose new ideas and candidate genes for genetic improvement of rapeseed tolerance to cold stresses.
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Project description:The libraries of RNA extracted from the seeds on the 30th, 40th and 50th days (30d, 40d, and 50d) after drought treatment were employed for sequencing and analysis. Our results demonstrated the reasons of the oil content decreased by RNA-seq. These results may help to establish a theoretical foundation for breeding excellent varieties of rapeseed with high oil content in areas with frequent droughts.
2020-10-29 | GSE160342 | GEO
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. Examination of small RNA profiles in 2 different seed oil content rapeseed culvitars at 2 locations.
2011-12-28 | E-GEOD-34727 | biostudies-arrayexpress
Project description:Purpose: Analysis of the effect of different fats and amonut of cDDGS in the feedstuff on miRNA expression in porcine backfat Methods: miRNA-seq analysis was performed on backfat samples collected from 24 male and female crossbred fatteners originating from sows (Polish Landrace × White Large Polish) mated with a boar (Duroc × Pietrain) divided into four dietary groups: 7-cDDGS+rapeseed oil (group I), n=6 (+cDDGS+rapeseed oil -group II), n= 6 (+cDDGS+beeftallow -group III),n=5 (+cDDGS+coconut oil -group IV). The miRNA libraries were constructed from total RNA using NEBNext Multiplex Small RNA Library Prep Set for Illumina (New England Biolabs) according to the manufacturer protocol. The quantification of the obtained libraries was performed on a Qubit 2.0 spectrophotometer (Invitrogen, Life Technologies), while a quality control on a TapeStation 2200 instrument (D1000 ScreenTape; Agilent). 100 single-end cycle sequencing was performed on the HiScanSQ platform (Illumina) with the use of TruSeq SR Cluster Kit v3- CBOT-HS and TruSeq SBS Kit v 3 - HS (Illumina). MicroRNA differentially expressed between dietary groups were identified with the DESeq2 software. Results: The comparison of miRNA profiles between dietary groups showed The highest number of miRNAs with altered expression was identified in the comparison of animals fed the diet containing cDDGS and coconut oil (group IV) with animals from the –cDDGS + rapeseed oil (group I) (37 miRNA, p adjusted <0.01). Moreover, in comparison between the group IV and groups III and II , 29 (12 upregulated and 17 downregulated in +cDDGS+coconut oil group) and 28 (10 upregulated and 18 downregulated in +cDDGS+coconut oil group) miRNAs were identified, respectively (p adjusted <0.1) Conclusions: Obtained results suggest that coconut oil induces changes in miRNA profile of backfat in pigs.
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Project description:Waterlogging is one major stress for crops and causes multiple problems for plants, for example low gas diffusion, reducing conditions in the soil and accumulation of toxic metabolites. Brassica napus is an important oil crop with high waterlogging sensitivity, which may cause severe yield losses. Its reactions to the stress are not fully understood. In this work the transcriptional response of rapeseed to one aspect of waterlogging, hypoxia in the root zone, was analyzed, including two rapeseed cultivars from different origin, Avatar from Europe and Zhongshuang 9 from Asia. Both cultivars showed a high number of differentially expressed genes in roots after 4 and 24 h of hypoxia. The response included many well-known hypoxia-induced genes such as genes coding for glycolytic and fermentative enzymes. Leaves hardly responded to the root stress after a 24-h-stress treatment, and photosynthesis seemed to be not affected by the stress applied to roots. There was no clear difference in either gene expression or tolerance to waterlogging between the two genotypes used in this study.
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