Lux Arbor Metagenome
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ABSTRACT:
PROVIDER: PRJNA954399 | ENA |
REPOSITORIES: ENA
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Project description:Purpose: The goals of this study are to compare RNA-seq profiles of Col-0, acd6-1, Iux-1, and acd6-1lux-1 to identify genes affected by LUX. Methods: Total RNA was extracted from 25-d old Col-0, lux-1, acd6-1, or acd6-1lux-1 plants collected at ZT1 or ZT13. Triplicate biological samples were used for most genotypes at each time point, except acd6-1 and acd6-1lux-1 at ZT13, which had duplicate samples. 0.5 ug RNA per replicate was used to generate cDNA libraries using Illumina TruSeq RNA sample preparation kit (catalog no. RS-122-2001). The samples were multiplexed and sequenced using the Illumina HiSeq sequencing platform in Genomics Resources Core Facility at Weill Cornell Medical College. Sequencing was conducted with a standard run of 51 cycles and single reads. At least 150 million reads per lane were obtained for sequencing. qRT–PCR validation was performed using TaqMan and SYBR Green assays for some selected genes. Results: We found that over 1500 genes are affected by lux-1 based on the RNAseq analysis. GO analysis revealed that LUX-affected genes are enchriched in response to abiotic and biotic stimuli. In particular, genes involved in basal defense, salicyclic acid signaling, and jasmonic acid signaling are affected by lux-1. We also found LUX regulation of the clock genes, including core clock components and those acting in the output pathways. Conclusions: The RNAseq analysis support a role of LUX in regulation of the circadian clock and plant defense.
2019-06-12 | GSE115680 | GEO
Project description:Plants trigger leaf senescence to relocate energy and nutrients from aging leaves to developing tissues or storage organs to optimize the growth and reproduction under limited nutrients and energy conditions. Jasmonate signaling is one of the major endogenous hormone signals to induced leaf senescence in Arabidopsis. However, whether circadian clock will gate Jasmonate signaling to induce leaf senescence and the underlying precise mechanism is unclear. Here we find that the Evening Complex (EC) of core oscillator closely regulates leaf senescence. To identify the underlying mechanism of EC regulating leaf senescence, we conducted RNA-sequencing. Transcriptomic data reveals Evening complex extensively involves into JA signal transduction and responses. Moreover, the mutants of ELF3, ELF4 and LUX universly display the accelerated JA-induced leaf senescence phenotype, while their overexpression lines act reversely. In accordance with the transcript levels of JA immediate early induced JA-responsive gene MYC2 are up-regulated in lux mutants. Futhermore we demonstrated LUX can bind to to the promoter of MYC2 in vivo to represses its transcription. In addition, the accelerated JA-induced leaf senescence in mutants of evening complex can be overturned by myc2, myc3 and myc4 mutants redundantly. Collectively, our findings demonstrated the underlying molecular basis for circadian clock gating jasmonate signaling to induce leaf senescence through the module of evening complex to directly repressing MYC2 transcription. This novel established molecular module also refines complicated nodes between circadian clock and jasmonate signal in Arabidopsis.
2018-02-06 | GSE99290 | GEO
Project description:Nemapteryx aff. armiger RB0457 ARBOR
| PRJNA729729 | ENA
Project description:Gallus gallus breed:Arbor Acres Raw sequence reads
| PRJNA309893 | ENA
Project description:Next Generation Sequencing to Study LUX-affected genes.
| PRJNA475754 | ENA
Project description:Assembly and Annotation of a Draft Genome of the Nyctanthes arbor-tristis L.- A Medicinal Plant
| PRJNA1055323 | ENA