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Transcriptome analysis of flowering variation under vernalization in two inbred lines of Chinese cabbage

ABSTRACT: Transcriptome analysis of flowering variation under vernalization in two inbred lines of Chinese cabbage

PROVIDER: PRJNA579431 | ENA |

REPOSITORIES: ENA

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Identification of flowering time genes associated with vernalization in Chinese cabbage and their differential expression in radish

Project description:We conducted genome-wide transcriptome analysis using the inbred Chinese cabbage line, ‘4004’, which displayed early flowering in response to vernalization. A total of 1,677 differentially-expressed genes (DEGs) were identified with and without vernalization. Transcriptome analysis identified 223 homologs of Arabidopsis Ft genes in Chinese cabbage, and 50 of these genes responded to vernalization. RT-qPCR analysis of major Ft genes showed that the majority of flowering enhancers were up-regulated in response to vernalization, whereas most flowering repressors were down-regulated in response to vernalization. Among the major Ft genes, the expression of BrCOL1-2, BrFT1/2, BrSOC1/2/3, BrFLC1/2/3/5, and BrMAF was strongly affected by vernalization.

2018-11-02 | GSE106444 | GEO

Whole-transcriptome analysis and construction of vernalization-related ceRNA-miRNA-target gene regulatory network in Chinese cabbage (Brassica campestris L. ssp. pekinensis) [seed miRNA]

Project description:The transition from vegetative growth to reproductive growth involves many pathways. Vernalization is crucial to the formation of floral organs, the regulation of flowering time and plant breeding. The purpose of this study was to identify the mRNA, microRNA (miRNA), long non-coding RNA (lncRNA), and circular RNA (circRNA) related to vernalization of Chinese cabbage, and to construct a competitive endogenous RNA (ceRNA) network, so as to provide valuable information for exploring the molecular mechanism of vernalization of Chinese cabbage. Results: The results of whole-transcriptome sequencing showed that 2702 mRNAs, 151 lncRNAs, 16 circRNA, and 233 miRNAs were differentially expressed in vernalized (‘Ver’) and non-vernalized (‘Nor’) seeds of Chinese cabbage. Some transcription factors and regulatory proteins that play important roles in vernalization pathway have been identified, such as the transcription factors of WRKY, MYB, NAC, bHLH, and MADS-box, zinc finger protein CONSTANS like gene and B3 domain protein. We constructed vernalization-related ceRNA-miRNA-target gene network and obtained 199 pairs of ceRNA relationships, including 108 DEmiRNA-DEmRNA, 67 DEmiRNA-DElncRNA, and 12 DEmiRNA-DEcircRNA interactions in Chinese cabbage. Meanwhile, several important vernalization-related genes and their interacting lncRNAs, circRNAs, and miRNAs were identified, which were involved in the regulation of flowering time, floral organ formation, bolting and flowering. Conclusions: The candidate differentially expressed mRNA, miRNA, lncRNA and circRNA for vernalization of Chinese cabbage were identified by the whole-transcriptome sequencing, and the ceRNA network was constructed. This study laid a foundation for further study on the molecular mechanism of vernalization in Chinese cabbage.

2021-11-17 | GSE171708 | GEO

Whole-transcriptome analysis and construction of vernalization-related ceRNA-miRNA-target gene regulatory network in Chinese cabbage (Brassica campestris L. ssp. pekinensis) [seed mRNA]

2021-11-17 | GSE171707 | GEO

Loss of BraA09g066480.3C leads to a wax-less phenotype in flowering Chinese cabbage

Project description:PURPOSE:To clarify the mechanism of the wax deficiency, the wax-less flowering Chinese cabbage doubled-haploid (DH) line ‘CX001’ and Chinese cabbage DH line ‘FT’, obtained from isolated microspore culture, were used in the experiments. Transcriptome analysis indicated that BraA09g066480.3C was expressed in ‘FT’ but not in ‘CX001’.The work presented herein demonstrated that BraA09g066480.3C was the causal gene for wax-less flowering Chinese cabbage ‘CX001’

2022-12-29 | GSE221778 | GEO

Transcriptome analysis of flowering variation under vernalization in two inbred lines of Chinese cabbage

Project description:We analyze the differentially expressed genes (DEGs) in RNA-seq data.

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Insertional mutations on RsFLC2 compromises vernalization response of radish (Raphanus sativus L.)

Project description:In this study, scientific efforts to grasp molecular details underlying vernalization-triggered floral transition were undertaken in radish (Raphanus sativus L.). We performed a comparative transcriptomic analysis between normal flowering ‘Jinjudaepyung’ and very late flowering inbred line, ‘Simu’.

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Dynamic Yin-Yang regulation network of O-GlcNAcylation and phosphorylation mediates vernalization response for flowering in winter wheat

Project description:Protein post-translational modification (PTM) increases the functional diversity of the proteome and regulates numerous biological processes in eukaryotes. Two types of PTMs, O-linked-acetyl glucosamine modification (O-GlcNAc) and phosphorylation have been identified on the same amino acid, are considered as Yin-Yang modification for their antagonistic function recently. Vernalization, a prolonged cold exposure promoted flowering, is important for grain yield in temperate cereals, such as winter wheat. O-GlcNAcylation on TaGRP2 and phosphorylation on VER2 are involved in regulation of vernalization response (VRN) genes. However, less is known about how plant senses vernalization with general Yin-Yang modifications. Here we report that altering O-GlcNAc signaling by chemical inhibitors could change the vernalization response and affect flowering transition. Furthermore, we enriched O-GlcNAcylated and phosphorylated peptides from winter wheat plumules at different processing time points during vernalization by Lectin weak affinity chromatography (LWAC) and iTRAQ-TiO2, respectively. In total, about 200 O-GlcNAcylated proteins and 124 differential expressed phosphorylated proteins were identified by Mass Spectrum (MS). Based on GO enrichment, the identified O-GlcNAcylated proteins are mainly involved in response to abiotic stimulus and hormone, metabolic processing and gene expression. While dynamic phosphorylated proteins during vernalization participate in translation, transcription and metabolic processing. Of note, 31 proteins with both phosphorylation and O-GlcNAcylation modification were identified. Among them, TaGRP2 was further confirmed to participate in regulation of vernalization promoted flowering. The global modification profiles and genetic data at specific regulator suggested that the dynamic network of O-GlcNAcylation and phosphorylation on the key nodes regulate vernalization response and mediate flowering in wheat.

2020-12-18 | PXD008285 | Pride

The Arabis alpina APETALA2 orthologue delays flowering by repressing floral meristem identity genes during vernalization

Project description:PEP2 regulates flowering in response to vernalization in a PEP1 -dependent and PEP1-independent pathway

2019-02-27 | GSE117977 | GEO

Transcription profiling of Capsella bursa-pastoris early and late flowering seedlings with and without vernalization

Project description:Differential expression between seedlings of early- and late-flowering Capsella bursa-pastoris, with and without vernalization treatment

2007-07-18 | E-ATMX-22 | biostudies-arrayexpress

Transcription profiling of Capsella bursa-pastoris flowering ecotype US721 vs US750 seedlinsg with and without vernalization

Project description:Differential expression between seedlings of early- and late-flowering Capsella bursa-pastoris, with and without vernalization treatment

2007-07-18 | E-ATMX-23 | biostudies-arrayexpress

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