Hos1 activates
Websignaling attenuator HOS1 regulates photoperiodic flowering via CO. In this work, we demonstrate that controlled degradation of CO by HOS1 plays a role in the cold regulation of Arabidopsis flowering. Under cold stress, CO was degraded through an HOS1-mediated ubiquitination mechanism, causing suppres-sion of FT and thus delaying flowering. Our ... WebFeb 14, 2024 · The E3 ubiquitin-protein ligase HOS1 is an important integrator of temperature information and developmental processes. HOS1 is a negative regulator of plant cold tolerance, and silencing HOS1 leads to increased cold tolerance. In the present work, we studied ROS levels in hos1Cas9 Arabidopsis thaliana plants, in which the …
Hos1 activates
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WebA study reveals that HOS1 activates the components of DNA repair systems to enhance the repair of heat-induced DNA damages and thermotolerance, establishing a direct link between DNA repair and ... WebDec 1, 2024 · Here, we demonstrated that high expression of osmotically reponsive genes 1 (HOS1) induces thermotolerance by activating DNA repair components.
WebPublisher Correction: HOS1 activates DNA repair systems to enhance plant thermotolerance. Nat Plants. 2024 Feb;7(2):237.doi: 10.1038/s41477-020-00842-5. … A set of reporter and effector plasmids was constructed. The reporter plasmid contains four copies of the GAL4 upstream activation sequence and the β-glucuronidase (GUS) reporter gene. To construct the 35S:HOS1 effector plasmids, HOS1-coding sequences were fused in-frame to the GAL4 DNA … See more All Arabidopsis thaliana lines used were in Columbia (Col-0) background, unless specified otherwise. Sterilized seeds were cold-imbibed (4 °C) in darkness for 3 d and allowed to germinate on ½ × Murashige and Skoog-agar … See more Seven-day-old Arabidopsis seedlings grown on MS-agar plates at 23 °C under LDs were exposed to 37 °C for appropriate durations. The heat-treated seedlings were allowed to recover at … See more Seven-day-old seedlings grown on MS-agar plates at 23 °C under LDs were exposed to 37 °C for varying durations. Whole seedlings were harvested for the extraction of total … See more Total RNA samples were extracted from 7-day-old seedlings grown on MS-agar plates and pretreated extensively with RNase-free DNase to get rid of genomic DNA contamination … See more
WebMar 1, 2024 · A study reveals that HOS1 activates the components of DNA repair systems to enhance the repair of heat-induced DNA damages and thermotolerance, establishing a direct link between DNA repair and ... WebSOCIO-ECONOMIC STATUS, PEER PRESSURE AND USE OF SOCIAL MEDIA BY UNDERGRADUATE STUDENTS IN UNIVERSITY OF IBADAN, IBADAN, OYO STATE, …
WebHOS1-PIF4 interaction might interferes with the interaction of PIF4 with other transcription factors or co-activators. We found that phyB activates HOS1 to inhibit PIF4 activity. However, how phyB-mediated light signals activate HOS1. The patterns of HOS1 transcription and its protein accumu-lation and translocation are not affected by phyB.16 ...
WebWe found that hoS1 activates FLC transcription by inhibiting the activity of histone deacetylase 6 (hDa6) under cold stress. Cold temperatures induce the binding of S1 to FLC chromatin in ho an FVE-dependent manner. Cold-activated S1 promotes the dissociation of ho Da6 from h FLC chromatin, and the cold hiren swamiWebNov 16, 2024 · Notably, HOS1 proteins were thermostabilized in a heat shock factor A1/heat shock protein 90 (HSP90)-dependent manner. Our data indicate that the thermoresponsive HSP90-HOS1-RECQ2 module contributes to sustaining genome integrity during the acquisition of thermotolerance, providing a distinct molecular link between DNA repair … homes for sale on the menominee riverWebFeb 1, 2024 · When stabilized, HOS1 increases thermotolerance by activating DNA repair components [30 ] and is known to negatively regulate PIF4 and repress the … homes for sale on the mediterranean seaWebHOS1 also interacts with HDA6 and inhibits the binding of HDA6 to FLC chromatin. Intermittent cold treatments induce FLC expression by activating HOS1, which attenuates the activity of HDA6 in silencing FLC chromatin, and the effects of intermittent cold are diminished in hos1 and fve mutants. homes for sale on the mohawk river nyWebGenetic analysis revealed that hos1-1 is a single recessive mutation in a nuclear gene. Our studies using the firefly luciferase reporter gene under the control of the cold-responsive RD29A promoter have indicated that cold-responsive genes can be induced by temperatures as high as 19 degrees C in hos1-1 plants. homes for sale on the new riverhomes for sale on the manatee riverWebTherefore, it is likely that, while the level of HOS1 protein is reduced in darkness, the small amount of HOS1 protein remaining in the dark-grown seedlings is functional. Altogether, our data indicate that phyB activates HOS1 to facilitate its DNA binding via PIF4 during hypocotyl growth. hirentboot