Brassica oleracea cultivar:cabbage
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1210511 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR32004808_1.fastq.gz | Fastqsanger.gz | |||
| SRR32004808_2.fastq.gz | Fastqsanger.gz | |||
| SRR32004809_1.fastq.gz | Fastqsanger.gz | |||
| SRR32004809_2.fastq.gz | Fastqsanger.gz | |||
| SRR32004810_1.fastq.gz | Fastqsanger.gz |
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Project description:Leafy head is the main product of Chinese cabbage, and also is the primary character to determine its yield and quality. Cloning and characterizing key genes involved in leafy head formation is imperative for varietal improvement in Chinese cabbage. From an EMS mutagenesis population of a heading wild-type ‘FT’ of Chinese cabbage, we identified two allelic non-heading mutants, nhm3-1 and nhm3-2. Genetic analysis showed that the mutant character was controlled by a single recessive gene. MutMap and Kompetitive Allele Specific PCR genotyping results revealed that BraA05g012440.3C encoding an ent-kaurenoic acid oxidase 2 which functions in the GA biosynthetic pathway, was the causal gene for leafy-head formation, and we named it as BrKAO2. Two kinds of non-synonymous mutations in the second exon of BrKAO2 were responsible for the nhm3-1 and nhm3-2 mutant phenotype, respectively. BrKAO2 was expressed at all stages of leaf development, and there was no significant difference between the wild-type ‘FT’ and the mutants nhm3-1 and nhm3-2. The mutant phenotype was restored to the wild-type through the application of exogenous GA3. RNA-Seq was performed on the rosette leaves of wild-type ‘FT’, nhm3-1 and nhm3-1+GA3 plants, and a number of key genes involving in GA biosynthesis, signal transduction and leafy head development were identified. These findings indicated that BrKAO2 is responsible for leafy head formation of nhm3, and a new mechanism of the leafy head formation in Chinese cabbage was proposed.
2021-09-12 | GSE183651 | GEO
Project description:We found several candidate genes might be involved in the crinkled leaf phenotype of savoy cabbage.
2023-11-20 | GSE245915 | GEO
Project description:The leaf of Chinese cabbage is the major place of photosynthesis, the mutation of leaf may directly affect the rate of plant growth and development and the formation of leafy head, and ultimately influence the yield and quality of Chinese cabbage. We identified a developmentally retarded mutant (drm) exhibiting stable inheritance, which was derived from Chinese cabbage DH line âFTâ using a combination of isolated microspore culture and radiation treatment (60Co γ-rays). The drm exhibited slow growth and development at the seedling and heading stages, leading to the production of a tiny, leafy head, as well as chlorophyll-deficient leaves, especially in seedlings. Genetic analysis indicated that the phenotype of drm was controlled by a single recessive nuclear gene. Compared with wild-type line âFTâ, the drmâs chlorophyll content was significantly reduced and its chloroplast structure was abnormal. Moreover, the photosynthetic efficiency and chlorophyll fluorescence parameters were significantly decreased. The changes in leaf color, combined with these altered physiological characters may influence the growth and development of plant, ultimately resulting in the developmentally retarded phenotype of drm. To further understand the molecular regulatory mechanisms of phenotypic differences between âFTâ and drm, comparative transcriptome analysis were performed using RNA-Seq, a total of 338 differentially expressed genes (DEGs) were detected between âFTâ and drm. According to GO and KEGG pathway analysis, a number of DEGs which involved in the chlorophyll degradation and photosynthesis were identified, such as chlorophyllase and ribulose-1,5-bisphosphate carboxylase/oxygenase. In addition, the expression patterns of 12 DEGs, including three chlorophyll degradation- and photosynthesis-related genes and nine randomly selected genes, were confirmed by qRT-PCR. Numerous single nucleotide polymorphisms were also identified, providing a valuable resource for research and molecular marker-assistant breeding in Chinese cabbage. These results contribute to our understanding of the molecular regulatory mechanisms underlying growth and development and lay the foundation for future genetic and functional genomics studies in Chinese cabbage. The RNA from the third true leaves (day 15 to day 24 after the appearance of the third true leaves) of a developmentally retarded mutant (drm) and its wild type âFTâ in Chinese cabbage were sequenced by RNA-Seq, in triplicate.
2016-03-01 | E-GEOD-75464 | biostudies-arrayexpress
Project description:The leaf of Chinese cabbage is the major place of photosynthesis, the mutation of leaf may directly affect the rate of plant growth and development and the formation of leafy head, and ultimately influence the yield and quality of Chinese cabbage. We identified a developmentally retarded mutant (drm) exhibiting stable inheritance, which was derived from Chinese cabbage DH line ‘FT’ using a combination of isolated microspore culture and radiation treatment (60Co γ-rays). The drm exhibited slow growth and development at the seedling and heading stages, leading to the production of a tiny, leafy head, as well as chlorophyll-deficient leaves, especially in seedlings. Genetic analysis indicated that the phenotype of drm was controlled by a single recessive nuclear gene. Compared with wild-type line ‘FT’, the drm’s chlorophyll content was significantly reduced and its chloroplast structure was abnormal. Moreover, the photosynthetic efficiency and chlorophyll fluorescence parameters were significantly decreased. The changes in leaf color, combined with these altered physiological characters may influence the growth and development of plant, ultimately resulting in the developmentally retarded phenotype of drm. To further understand the molecular regulatory mechanisms of phenotypic differences between ‘FT’ and drm, comparative transcriptome analysis were performed using RNA-Seq, a total of 338 differentially expressed genes (DEGs) were detected between ‘FT’ and drm. According to GO and KEGG pathway analysis, a number of DEGs which involved in the chlorophyll degradation and photosynthesis were identified, such as chlorophyllase and ribulose-1,5-bisphosphate carboxylase/oxygenase. In addition, the expression patterns of 12 DEGs, including three chlorophyll degradation- and photosynthesis-related genes and nine randomly selected genes, were confirmed by qRT-PCR. Numerous single nucleotide polymorphisms were also identified, providing a valuable resource for research and molecular marker-assistant breeding in Chinese cabbage. These results contribute to our understanding of the molecular regulatory mechanisms underlying growth and development and lay the foundation for future genetic and functional genomics studies in Chinese cabbage.
2016-03-01 | GSE75464 | GEO
Project description:The aim of the experiment was to identify the transcriptional changes between wild Brassica oleraceae lines (Winspit) and 2 cultivated lines (purple sprouting broccoli and savoy cabbage) that show different biofumigation phenotypes. Fully expanded leaves were compared from 8 week old plants.
2017-07-06 | GSE39951 | GEO
Project description:Transcriptome Analysis Between Green Cabbage (Brassica oleracea var. capitata) and Savoy Cabbage (Brassica oleracea var. sabauda)
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Project description:Effect of long-term storage on the proteome of cabbage heads
2023-01-18 | MSV000091089 | MassIVE
Project description:Plant microRNAs are short (~21 nt), non-coding molecules that regulate gene expression by targeting mRNA cleavage or protein translation inhibition. In this manner, they play many important roles in the cells of living organisms. One of the plant species in which the entire set of miRNAs has not been yet completely identified is Brassica oleracea var. capitata (cabbage). For this reason and for the economic and nutritional importance of this food crop, Illumina high-throughput small RNAs sequencing has been performed to discover novel and conserved miRNAs in the mature cabbage leaves. In this study, raw reads generated from three small RNA libraries were bioinformatically processed and further analyzed to select sequences homologous to known B. oleracea and other plant miRNAs. As a result of this step, 267 conserved miRNAs (belonging to 62 families) have been discovered. The remaining unannotated tags were used in the prediction and evaluation of novel miRNAs, which resulted in the 26 potential miRNAs proposal. The expression of 13 selected miRNAs was analyzed by northern blot hybridization. To determine the functions and processes that these molecules may potentially regulate in cabbage leaves, GO annotation, GO enrichment analysis and KEGG (Kyoto Encyclopedia of Genes and Genomes) pathway mapping of the predicted targets were performed. Taken together, for the first time, the large set of miRNAs was identified in the mature cabbage leaves. Potential target designation for these miRNAs may suggest their important role in the plant growth, development and other primary biological processes. The presented study not only supplements the knowledge about B. oleracea miRNAs, but also may be used in other researches concerning the improvement of the cabbage cultivation.
2014-06-13 | GSE45578 | GEO