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Evidence for an Important Role of WRKY DNA Binding Proteins in the Regulation of NPR1 Gene Expression
TLDR
The identification of W-box sequences in the promoter region of the NPR1 gene that are recognized specifically by SA-induced WRKY DNA binding proteins from Arabidopsis provide strong evidence that certain WRKY genes act upstream of NPR1 and positively regulate its expression during the activation of plant defense responses.
Analysis of the involvement of an inducible Arabidopsis RNA-dependent RNA polymerase in antiviral defense.
TLDR
Roles of a newly identified Arabidopsis RdRP gene (AtRdRP1) in plant antiviral defense are analyzed and results suggest that the inducible AtRd RP1 is theArabidopsis ortholog of NtRdLP1 and plays a role in antiviraldefense.
Ectopic expression of miR396 suppresses GRF target gene expression and alters leaf growth in Arabidopsis.
TLDR
The results strongly support the belief that miR396 plays an important role in plant leaf growth and development, most likely by repressing GRF gene expression.
Jasmonate Regulates the INDUCER OF CBF EXPRESSION–C-REPEAT BINDING FACTOR/DRE BINDING FACTOR1 Cascade and Freezing Tolerance in Arabidopsis[W]
TLDR
Evidence is provided that jasmonate functions as a critical upstream signal of the ICE-CBF/DREB1 pathway to positively regulate Arabidopsis freezing tolerance.
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.
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.
Arabidopsis transcription factor WRKY8 functions antagonistically with its interacting partner VQ9 to modulate salinity stress tolerance.
TLDR
Results provided strong evidence that the VQ9 protein acts as a repressor of the WRKY8 factor to maintain an appropriate balance ofWRKY8-mediated signaling pathways to establish salinity stress tolerance.
Arabidopsis thaliana WRKY25, WRKY26, and WRKY33 coordinate induction of plant thermotolerance
TLDR
Results indicate that WRKY25, WRKY26, and WRKY33 positively regulate the cooperation between the ethylene-activated and heat shock proteins-related signaling pathways that mediate responses to heat stress; and that these three proteins interact functionally and play overlapping and synergetic roles in plant thermotolerance.
Molecular Mechanism of microRNA396 Mediating Pistil Development in Arabidopsis1[W]
TLDR
An important role for miR396 is revealed in controlling carpel number and pistil development via regulation of the GRF/GIF complex.
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