Ontology highlight
ABSTRACT:
PROVIDER: PRJNA516245 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR8468110_1.fastq.gz | Fastqsanger.gz | |||
| SRR8468110_2.fastq.gz | Fastqsanger.gz | |||
| SRR8468101_1.fastq.gz | Fastqsanger.gz | |||
| SRR8468101_2.fastq.gz | Fastqsanger.gz | |||
| SRR8468111_1.fastq.gz | Fastqsanger.gz |
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Project description:RNA-seq during adventitious rooting in tomato mars1 mutants
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Project description:Arctic alpine species experience extended periods of cold and unpredictable conditions during flowering. Thus, often, alpine plants use both sexual and asexual means of reproduction to maximise fitness and ensure reproductive success. We used the arctic alpine perennial Arabis alpina to explore the role of prolonged cold exposure on adventitious rooting. We exposed plants to 4 °C for different durations and scored the presence of adventitious roots on the main stem and axillary branches. Our physiological studies demonstrated the presence of adventitious roots after 21 weeks at 4 °C saturating the effect of cold on this process. Notably, adventitious roots on the main stem developingin specific internodes allowed us to identify the gene regulatory network involved in the formation of adventitious roots in cold using transcriptomics. These data and histological studies indicated that adventitious roots in A. alpina stems initiate during cold exposure and emerge after plants experience growth promoting conditions. While the initiation of adventitious root was not associated with changes of DR5 auxin response and free endogenous auxin level in the stems, the emergence of the adventitious root primordia was. Using the transcriptomic data, we discerned the sequential hormone responses occurring in various stages of adventitious root formation and identified supplementary pathways putatively involved in adventitious root emergence, such as glucosinolate metabolism. Together, our results highlight the role of low temperature during clonal growth in alpine plants and provide insights on the molecular mechanisms involved at distinct stages of adventitious rooting.
2024-04-01 | GSE176054 | GEO
Project description:Our previous studies have shown that exogenous ethylene (ETH) may induce plant adventitious root development in cucumber. In this study, transcriptome technique was used to explore the key genes in ETH-induced rooting. The results revealed that ETH regulated 1415 diferentially expressed genes (DEGs) during rooting, among which 687 DEGs were up-regulated and 728 DEGs were down-regulated. According to Kyoto encyclopedia of genes and genomes (KEGG) pathway analysis, the critical pathways involved in ETH-induced adventitious root development were selected for further study, including carbon metabolism [starch and sucrose metabolism, glycolysis / gluconeogenesis, citrate cycle (TCA cycle), oxidative phosphorylation, fatty acid biosynthesis and fatty acid degradation], secondary metabolite biosynthesis (phenylalanine metabolism and flavonoid biosynthesis) and plant hormone signal transduction. In carbon metabolism, ETH reduced t the expression of CsHK2, CsPK2 and CsCYP86A1, whereas enhanced the expression of CsBAM1 and CsBAM3. Moreover, ETH negatively regulated the transcript level of CsPAL and CsF3’M and positively mediated that of CsPAO in secondary metabolite biosynthesis pathway. Additionally, ETH could induce adventitious rooting by negatively regulating auxin and ETH signal transduction-related genes (CsLAX5, CsGH3.17, CsSUAR50 and CsERS) and positively regulating ABA and BR signaling transduction-related genes (CsPYL1, CsPYL5, CsPYL8, CsBAK1 and CsXTH3) . Furthermore, the results of real-time PCR about the mRNA levels of these genes were consistent with transcriptome results. Therefore, ETH may induce adventitious root development by regulating carbon metabolism-related genes, secondary metabolite biosynthesis-related genes and plant hormone signal transduction-related genes.
2021-11-30 | GSE189315 | GEO
Project description:Oligoarray analysis was used to identify genes differentially expressed in 2 mm sections of the basal stem region of wild type T89, PtAIL1 over-expressing or PtAIL1 RNAi lines of P. tremula x Populus tremuloides 24h and 72h after adventitious rooting induction.
2012-11-01 | GSE34162 | GEO
Project description:Oligoarray analysis was used to identify genes differentially expressed in 2 mm sections of the basal stem region of wild type T89, PtAIL1 over-expressing or PtAIL1 RNAi lines of P. tremula x Populus tremuloides 24h and 72h after adventitious rooting induction. The Populus trichocarpa custom-exon expression array (12x135K) manufactured by Roche NimbleGen Systems Limited (Madison, WI) (http://www.nimblegen.com/products/exp/index.html) contained three independent, nonidentical, 60-mer probes per gene model coding sequence. Included in the oligoarray were 43,929 annotated gene models (Populus trichocarpa genome v2 ; Phytozome 5.0), 5,859 random 60-mer control probes and labelling controls. We performed 27 hybridizations from wildtype, PtAIL1 over-expressing or PtAIL1 RNAi lines of P. tremula x Populus tremuloides at time 0, 24h and 72h after adventitious rooting induction. For each timepoint we performed three biological replicates.
2012-11-01 | E-GEOD-34162 | biostudies-arrayexpress
Project description:Proteome raw data of adventitious rooting in ancient trees
2023-06-02 | PXD042637 |
Project description:Background: The change from juvenile to mature phase in woody plants is often accompanied by a gradual loss of rooting ability, as well as by reduced microRNA (miR) 156 and increased miR172 expression. Results: We characterized the population of miRNAs of Eucalyptus grandis and compared by Northern blot the gradual reduction in miR156 and increase in miR172 expression during development to the loss of rooting ability. Forty known and eight novel miRNAs were discovered and their predicted targets are listed. The expression pattern of nine miRNAs was determined during adventitious root formation in juvenile and mature cuttings. While the expression levels of miR156 and miR172 were inverse in juvenile and mature tissues, no mutual relationship was found between high miR156 expression and rooting ability, or high miR172 expression and loss of rooting ability. This is shown both in E. grandis and also in E. brachyphylla, in which explants that underwent rejuvenation in tissue culture conditions were also examined. Conclusions: It is suggested that in these Eucalyptus species, there is no correlation between the switch of miR156 with miR172 expression in the stems and the loss of rooting ability.
2014-10-01 | GSE58367 | GEO
Project description:Background: The change from juvenile to mature phase in woody plants is often accompanied by a gradual loss of rooting ability, as well as by reduced microRNA (miR) 156 and increased miR172 expression. Results: We characterized the population of miRNAs of Eucalyptus grandis and compared by Northern blot the gradual reduction in miR156 and increase in miR172 expression during development to the loss of rooting ability. Forty known and eight novel miRNAs were discovered and their predicted targets are listed. The expression pattern of nine miRNAs was determined during adventitious root formation in juvenile and mature cuttings. While the expression levels of miR156 and miR172 were inverse in juvenile and mature tissues, no mutual relationship was found between high miR156 expression and rooting ability, or high miR172 expression and loss of rooting ability. This is shown both in E. grandis and also in E. brachyphylla, in which explants that underwent rejuvenation in tissue culture conditions were also examined. Conclusions: It is suggested that in these Eucalyptus species, there is no correlation between the switch of miR156 with miR172 expression in the stems and the loss of rooting ability. Examination of microRNA in seedlings of Eucalyptus grandis
2014-10-01 | E-GEOD-58367 | biostudies-arrayexpress
Project description:Ethylene, as a signaling hormone molecule, is proved to have essential role in the process of root development. In the present study, cucumber (Cucumis sativus L.) seedlings were employed to estimate differentially expressed proteins (DEPs) during the adventitious rooting using iTRAQ technique and proteomics analysis. Out of the 5014 DEPs, 115 DEPs were considered as identified proteins, and among them, 24 DEPs are interesting proteins abundance.
2020-01-15 | PXD016444 | Pride