A5102783347- Plant Molecular Biology Research
- Plant Stress Responses and Tolerance
- Plant Reproductive Biology
- Photosynthetic Processes and Mechanisms
- Plant nutrient uptake and metabolism
- RNA Research and Splicing
- Cancer-related molecular mechanisms research
- Synthetic Organic Chemistry Methods
- Chromosomal and Genetic Variations
- Light effects on plants
Seoul National University
2018-2024
To synchronize flowering time with spring, many plants undergo vernalization, a floral-promotion process triggered by exposure to long-term winter cold. In Arabidopsis thaliana, this is achieved through cold-mediated epigenetic silencing of the floral repressor, FLOWERING LOCUS C (FLC). COOLAIR, cold-induced antisense RNA transcribed from FLC locus, has been proposed facilitate silencing. Here, we show that C-repeat (CRT)/dehydration-responsive elements (DREs) at 3'-end and CRT/DRE-binding...
Abstract Vernalization, a long-term cold-mediated acquisition of flowering competence, is critically regulated by VERNALIZATION INSENSITIVE 3 (VIN3), gene induced vernalization in Arabidopsis. Although the function VIN3 has been extensively studied, how expression itself upregulated cold not well understood. In this study, we identified vernalization-responsive cis-element promoter, VREVIN3, composed G-box and an evening element (EE). Mutations either or EE prevented from being fully upon...
Summary Kinetochore, a protein super‐complex on the centromere of chromosomes, mediates chromosome segregation during cell division by providing attachment sites for spindle microtubules. The NDC 80 complex, composed four proteins, 80, NUF 2, SPC 24 and 25, is localized at outer kinetochore connects fibers to kinetochore. Although it conserved across species, functional studies this complex are rare in Arabidopsis. Here, we characterize recessive mutant, meristem unstructured‐1 ( mun‐1 ),...
Abstract Vernalization, an acceleration of flowering after long-term winter cold, is intensively studied mechanism in annual plants. In Arabidopsis , Polycomb Repressive Complex 2 (PRC2)-mediated suppression the strong floral repressor, FLOWERING LOCUS C ( FLC ), critical for vernalization and a PHD finger domain protein, VERNALIZATION INSENSITIVE 3 (VIN3), recruits PRC2 on chromatin. The level VIN3 was found to gradually increase proportion length cold period during vernalization. However,...
Abstract Vernalization and cold acclimation are plant strategies that evolved to enhance their fitness during the winter season. The molecular mechanisms behind these processes in Arabidopsis have been intensively studied. However, how plants measure duration of long-term exposure has not fully understood. Our research shows cytosolic chaperonin is crucial for appropriate responses by regulating circadian clocks. Furthermore, one clock components, REVEILLE4 (RVE4) RVE8 directly activate...
Abstract Vernalization, an acceleration of flowering after long-term winter cold, is intensively studied mechanism in annual plants. In Arabidopsis, Polycomb Repressive Complex2 (PRC2)-mediated suppression the strong floral repressor, FLOWERING LOCUS C (FLC), critical for vernalization and a PHD finger domain protein, VERNALIZATION INSENSITIVE 3 (VIN3), recruits PRC2 on FLC chromatin. The level VIN3 was found to gradually increase proportion length cold period during vernalization. However,...
Abstract To synchronize flowering time with spring, many plants undergo vernalization, a floral-promotion process triggered by exposure to long-term winter cold. In Arabidopsis thaliana , this is achieved through cold-mediated epigenetic silencing of the floral repressor, FLOWERING LOCUS C ( FLC ). COOLAIR cold-induced antisense RNA transcribed from locus, has been proposed facilitate silencing. Here, we show that C-repeat (CRT)/dehydration-responsive elements (DREs) at 3′-end and...