Hy5 pif4
Web在以往的研究中，邓兴旺、陈浩东团队通过一系列的分子生化研究证实，det1可以与pif1，pif3，pif4以及pif5直接相互作用，进而稳定这些pifs蛋白，通过调控一系列与光形态建成相关基因的表达，在黑暗中发挥抑制植物光形态建成的功能。 Web17 mrt. 2024 · HY5 on the other hand antagonises PIF4 binding at low temperature without direct interaction as it competes for the same promoter cis elements (Toledo-Ortiz et al. 2014, Gangappa and Kumar 2024). Other direct interactors of PIF4 do not affect its DNA binding, but directly influence its transcriptional activity.
Hy5 pif4
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Web10 jan. 2024 · The transcription factor PHYTOCHROME INTERACTING FACTOR 4 (PIF4) is the central signaling hub that integrates environmental cues, including light and … Web6 mei 2024 · Spatial regulation of thermomorphogenesis by HY5 and PIF4 in Arabidopsis. Nature Communication May 6, 2024 Other authors. See publication ... HY5 Protein modification and its stability
WebHY5 and HYH but largely associated with UVR8-dependent degradation of PIF4 and PIF5, a process that consequently diminishes PIF4/5 target promoter occupancy. Taken together, our data indicate that UVR8-mediated inhibition of hypocotyl growth involves degradation of PIF4 and PIF5. These findings contribute to our WebGene Model Type protein_coding Other names: ATPIF4, PHYTOCHROME INTERACTING FACTOR 4, PIF4, SRL2 Description Isolated as a semidominant mutation defective in red -light responses. Encodes a nuclear localized bHLH protein that interacts with active PhyB protein. Negatively regulates phyB mediated red light responses.
PIF4 has been described as a key component in the hypocotyl and petiole elongation under high ambient temperature9. However, the thermo-induced root elongation was not affected in pif4 background30. To identify the factor(s) necessary for root thermomorphogenesis, we analyzed the primary … Meer weergeven To examine spatial regulation of thermomorphogenesis, we grew wild type (WT) Arabidopsis seedlings at either 22°C or 28°C under constant light (CL) up to seven days … Meer weergeven A recent study showed that the primary root elongation at high ambient temperature is also mediated by the brassinosteroid (BR) signaling pathway30. Therefore, we examined whether the thermo … Meer weergeven In thermomorphogenesis, an alteration in global gene expression has been reported mostly using whole seedlings6,19,24. To examine whether global gene expression is altered in a tissue-specific manner at high ambient … Meer weergeven To examine whether HY5 protein level is regulated by high ambient temperature, we used the HY5-GFP overexpression line driven by the constitutive cauliflower mosaic virus (CaMV) 35S promoter in the hy5-215 … Meer weergeven Web10 jan. 2024 · Modulation of HY5 function can therefore fine-tune PIF4-mediated elongation growth in a temperature-dependent manner. This potentially antagonistic regulation of …
WebHY5 positively regulates the phyA-mediated inhibition of hypocotyl elongation and is thought to interact with phyB to promote PCD in ... increasing PIF4, PIF5, and PIF7 activity, leading to increased expression of auxin biosynthesis genes and induction of morphological changes for shade avoidance, including elongation responses in ...
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