Two Young MicroRNAs Originating from Target Duplication Mediate Nitrogen Starvation Adaptation via Regulation of Glucosinolate Synthesis in Arabidopsis thaliana1[W]

@article{He2013TwoYM,
  title={Two Young MicroRNAs Originating from Target Duplication Mediate Nitrogen Starvation Adaptation via Regulation of Glucosinolate Synthesis in Arabidopsis thaliana1[W]},
  author={Hua He and Gang Liang and Yang Li and Fang Wang and Diqiu Yu},
  journal={Plant Physiology},
  year={2013},
  volume={164},
  pages={853 - 865}
}
Two recently evolved microRNAs enhance plant nitrogen starvation adaptation via regulation of glucosinolate synthesis. Nitrogen is an essential macronutrient required for plant growth and development. A number of genes respond to nitrogen starvation conditions. However, the functions of most of these nitrogen starvation-responsive genes are unclear. Our recent survey suggested that many microRNAs (miRNAs) are responsive to nitrogen starvation in Arabidopsis thaliana. Here, we identified a new… 

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References

SHOWING 1-10 OF 61 REFERENCES
Identification of Nitrogen Starvation-Responsive MicroRNAs in Arabidopsis thaliana
TLDR
This study represents comprehensive expression profiling of N-starvation-responsive mi RNAs and advances the understanding of the regulation of N homeostasis mediated by miRNAs.
Involvement of miR169 in the nitrogen-starvation responses in Arabidopsis.
TLDR
Evidence is provided that miRNAs have functional roles in helping plants to cope with fluctuations in N availability in the soil by showing that MIR169a was substantially down-regulated in both roots and shoots by N starvation.
Uncovering Small RNA-Mediated Responses to Phosphate Deficiency in Arabidopsis by Deep Sequencing1[W][OA]
TLDR
Deep sequencing of Arabidopsis small RNAs revealed an increased abundance of TAS4-derived trans-acting small interfering RNAs (ta-siRNAs) in Pi-deficient shoots and uncovered an autoregulatory mechanism of PAP1/MYB75 via miR828 and Tas4-siR81(−) that regulates the biosynthesis of anthocyanin.
Genome-wide analysis of Arabidopsis responsive transcriptome to nitrogen limitation and its regulation by the ubiquitin ligase gene NLA
TLDR
A genome-wide view of Arabidopsis transcriptome response to nitrogen limitation and its regulation by NLA is presented, and information is provided to probe the molecular mechanism controlling plant adaptability tonitrogen limitation.
Genetic Regulation by NLA and MicroRNA827 for Maintaining Nitrate-Dependent Phosphate Homeostasis in Arabidopsis
TLDR
The results demonstrate that NLA and miR827 have pivotal roles in regulating Pi homeostasis in plants in a nitrate-dependent fashion.
Identification of Nutrient-Responsive Arabidopsis and Rapeseed MicroRNAs by Comprehensive Real-Time Polymerase Chain Reaction Profiling and Small RNA Sequencing1[C][W][OA]
TLDR
Results reveal the existence of complex small RNA-based regulatory networks mediating plant adaptation to mineral nutrient availability and the identification of the novel P limitation-induced miR2111, which is encoded by two loci in the Arabidopsis genome.
Regulation of Phosphate Homeostasis by MicroRNA in Arabidopsis[W]
TLDR
Evidence is provided that miRNA controls Pi homeostasis by regulating the expression of a component of the proteolysis machinery in plants by suppressing the E2 transcript in transgenic Arabidopsis overexpressing miR399.
MicroRNA395 mediates regulation of sulfate accumulation and allocation in Arabidopsis thaliana.
TLDR
The research showed that miR395 is involved in the regulation of sulfate accumulation and allocation by targeting APS genes and SULTR2;1, respectively.
Massive Analysis of Rice Small RNAs: Mechanistic Implications of Regulated MicroRNAs and Variants for Differential Target RNA Cleavage[W][OA]
TLDR
This massive analysis of rice small RNAs evaluated annotated microRNAs (miRNAs) and identified new miRNA family members with distinct sequences and organ-preferential expression that provide new insight about how an agriculturally important rice phenotype could be regulated in the panicle.
microRNA biogenesis and function in plants
...
1
2
3
4
5
...