A5049397310- Plant Molecular Biology Research
- Plant nutrient uptake and metabolism
- Plant Gene Expression Analysis
- Plant Reproductive Biology
- Plant tissue culture and regeneration
- Photosynthetic Processes and Mechanisms
- Plant-Microbe Interactions and Immunity
- Plant responses to water stress
- Genetic Mapping and Diversity in Plants and Animals
- Plant Stress Responses and Tolerance
- Food Quality and Safety Studies
- RNA modifications and cancer
- Advanced Proteomics Techniques and Applications
- Plant Pathogenic Bacteria Studies
- Phytoestrogen effects and research
- Plant Parasitism and Resistance
- Seed Germination and Physiology
- Chromosomal and Genetic Variations
- Horticultural and Viticultural Research
- Biochemical and Molecular Research
- Biosensors and Analytical Detection
- Lignin and Wood Chemistry
- Polysaccharides and Plant Cell Walls
- Postharvest Quality and Shelf Life Management
- Phytochemicals and Antioxidant Activities
Inha University
2023-2025
Pusan National University
2021-2023
Kyung Hee University
2010-2022
Zero to Three
2021
Seoul National University
2017
Pohang University of Science and Technology
2010-2016
Andong National University
2015
Summary Seed shattering is an important trait that influences grain yield. A major controlling quantitative locus in rice qSH 1 . Although the degree of correlated with level expression , some ‐defective cultivars display moderate while others show a non‐shattering phenotype. Os05 g38120 ( SH5 ) on chromosome 5 highly homologous to we detected transcripts various organs, this gene was expressed at abscission zone (AZ) pedicels. When suppressed easy‐shattering ‘Kasalath’, development AZ...
Nitrogen (N), a critical macronutrient for plant growth and development, is major limiting factor in most agricultural systems. Microarray analyses have been conducted to investigate genome-wide gene expression response changes N concentrations. Although RNA-Seq analysis can provide more precise determination of transcript levels, it has not previously employed the N-starvation-induced genes.We constructed cDNA libraries from leaf sheaths roots rice plants grown under N-deficient or...
Seed shattering is an agronomically important trait. Two major domestication factors are responsible for this: qSH1 and SH5. Whereas functions in cell differentiation the abscission zone (AZ), a role of SH5 repression lignin deposition. We have determined that KNOX protein, OSH15, also controls seed shattering. Knockdown mutations OSH15 showed reduced seed-shattering phenotypes. Coimmunoprecipitation experiments revealed interacts with qSH1, two proteins BELL homeobox family. In transgenic...
Abstract In plants, flowering time is elaborately controlled by various environment factors. Ultimately, florigens such as FLOWERING LOCUS T (FT) or FT-like molecules induce flowering. rice (Oryza sativa), Early heading date 1 (Ehd1) a major inducer of florigen gene expression. Although Ehd1 highly homologous to the type-B response regulator (RR) family in cytokinin signaling pathway, its precise molecular mechanism not well understood. this study, we showed that C-terminal portion protein...
Summary The plant U‐box (PUB) protein functions as an E3 ligase to poly‐ubiquitinate a target for its degradation or post‐translational modification. Here, we report functional roles OsPUB15 , which encodes cytosolic in the class‐II PUB family. Self‐ubiquitination assays showed that bacterially expressed MBP‐OsPUB15 has ubiquitin activity. A T‐DNA insertional mutation caused severe growth retardation and seedling‐lethal phenotype. Mutant seeds did not produce primary roots, their shoot...
SUMMARY Increasing the vegetative growth period of crops can increase biomass and grain yield. In rice ( Oryza sativa ), concentration trans ‐zeatin, an active cytokinin, was high in leaves during decreased rapidly upon induction florigen expression, suggesting that this hormone is involved regulation phase. To elucidate whether exogenous cytokinin application influences length phase, we applied 6‐benzylaminopurine (BAP) to plants at various developmental stages. Our treatment delayed...
Sucrose controls various developmental and metabolic processes in plants. It also functions as a signaling molecule the synthesis of carbohydrates, storage proteins, anthocyanins, well floral induction defense response. We found that sucrose preferentially induced OsWRKY7 , whereas other sugars (such mannitol, glucose, fructose, galactose, maltose) did not have same effect. A hexokinase inhibitor mannoheptulose block effect sucrose, which is consequently thought to function directly. MG132...
Root meristem activity is the most critical process influencing root development. Although several factors that regulate have been identified in rice, studies on enhancement of roots are limited. We a T-DNA activation tagging line zinc-finger homeobox gene, OsZHD2, which has longer seminal and lateral due to increased activity. The phenotypes were confirmed transgenic plants overexpressing OsZHD2. In addition, showed enhanced grain yield under low nutrient paddy field conditions. OsZHD2 was...
Summary Grain number is an important agronomic trait. We investigated the roles of chromatin interacting factor Oryza sativa VIN 3‐ LIKE 2 (Os VIL 2), which controls plant biomass and yield in rice. Mutations Os led to shorter plants fewer grains whereas its overexpression ( OX ) enhanced production grain numbers when compared with wild type. RNA ‐sequencing analyses revealed that 1958 genes were up‐regulated 2096 down‐regulated region active division within first internodes plants....
Plants are susceptible to infection by various pathogens with high epidemic potential. Xanthomonas oryzae pv. (Xoo) causes bacterial blight in rice, one of the most significant diseases both temperate and tropical regions. In this study, we report identification characterization OsWRKY26, a sucrose-inducible transcription factor, that plays role plant defense responses following Xoo infection. We found mutant plants defective OsWRKY26 showed enhanced response specifically Xoo, indicating...
Rice is a facultative short-day (SD) plant in which flowering induced under SD conditions or by other environmental factors and internal genetic programs. Overexpression of
RICE FLOWERING LOCUS T 1 (RFT1) is a major florigen that functions to induce reproductive development in the shoot apical meristem (SAM). To further our study of
Abstract The rice blast fungus Magnaporthe oryzae devastates cultivated ( Oryza sativa L.), causing extensive crop losses. Despite being a major pathogen, information on this pathosystem, especially the proteins associated with fungal pathogenicity and host defense response, is relatively scarce. Utilizing liquid chromatography‐mass spectrometry (LC–MS/MS), we identified 123 in planta‐ secreted M. leaves screened for their cell death‐inducing activity. Biochemical characterization of these...
Shoot branching is an essential agronomic trait that impacts on plant architecture and yield. determined by two independent steps: axillary meristem formation bud outgrowth. Although several genes regulatory mechanism have been studied with respect to shoot branching, the roles of chromatin-remodeling factors in developmental process not reported rice. We previously identified a factor OsVIL2 controls trimethylation histone H3 lysine 27 (H3K27me3) at target genes. In this study, we report...
Abstract Pollen tube (PT) elongation is important for double fertilization in angiosperms and affects the seed-setting rate and, therefore, crop productivity. Compared to Arabidopsis (Arabidopsis thaliana L.), information on PT rice (Oryza sativa L.) limited by difficulty obtaining homozygous mutants. In a screen of T-DNA insertional mutants, we identified mutant Tethering protein actomyosin transport pollen (TAPE) gene with an unusual segregation ratio genotyping analysis. A CRISPR/Cas9...
Summary Cereal grain endosperms are an important source of human nutrition. Nuclear division in early endosperm development plays a major role determining seed size; however, this is not well understood. We identified the rice mutant endospermless 2 ( enl2 ), which shows defects stages development. These phenotypes arise from mutations OsCTPS1 that encodes cytidine triphosphate synthase (CTPS). Both wild‐type and were normal at 8 h after pollination (HAP). In contrast, 24 HAP, had...