- Plant Genetic and Mutation Studies
- Plant tissue culture and regeneration
- GABA and Rice Research
- Agriculture, Soil, Plant Science
- Food Quality and Safety Studies
- Hibiscus Plant Research Studies
- Plant Gene Expression Analysis
- Soybean genetics and cultivation
- Ecology and Conservation Studies
- Phytochemicals and Antioxidant Activities
- Plant Virus Research Studies
- Turfgrass Adaptation and Management
- Plant biochemistry and biosynthesis
- Plant Stress Responses and Tolerance
- Plant Pathogens and Fungal Diseases
- Plant Physiology and Cultivation Studies
- Berry genetics and cultivation research
- Flowering Plant Growth and Cultivation
- Chromosomal and Genetic Variations
- Radiation Effects and Dosimetry
- Nitrogen and Sulfur Effects on Brassica
- Powdery Mildew Fungal Diseases
- Plant Molecular Biology Research
- Plant Pathogens and Resistance
- Plant pathogens and resistance mechanisms
Kongju National University
2020-2024
Korea Atomic Energy Research Institute
2013-2023
Jeju National University
2013
Gyeongsangnam-do Agricultural Research and Extension Services
2013
Coreopsis is a flowering plant belonging to the Asteraceae family. It an ornamental native Americas, Asia and Oceania its flower used as raw material for tea food manufacture in China. In this study, new cultivars of C. rosea ("golden ring") were developed via radiation-induced mutation original cultivar, "pumpkin pie". The chemical composition antioxidant activities flowers three different evaluated: "golden ring", pie" "snow chrysanthemum" (coreopsis tea; tinctoria). volatile compounds...
Jaihyunk Ryu, Soon-Jae Kwon, Joon-Woo Ahn, Yeong Deuk Jo, Sang Hoon Kim, Wook Jeong, Min Kyu Lee, Jin-Baek and Si-Yong Kang. J Plant Biotechnol 2017;44:191-202. https://doi.org/10.5010/JPB.2017.44.2.191
Hibiscus species are rich in phenolic compounds and have been traditionally used for improving human health through their bioactive activities. The present study investigated the of leaf extracts from 18 different H. acetosella accessions evaluated biofunctional properties, focusing on antioxidant antibacterial activity. most abundant compound was caffeic acid, with levels ranging 14.95 to 42.93 mg/100 g. activity measured by ABTS assay allowed be classified into two groups: a high group red...
In this study, we investigated the phenolic compounds in hop strobile extracts and evaluated their antioxidant property using DPPH ABTS assay. The total compound (TPC) flavonoid (TFC) estimated two different solvent considerably varied depending on extraction solvent. most abundant was humulones (α-acid) with levels ranging from 50.44 to 193.25 µg/g. El Dorado accession revealed higher activity ethanol (DPPH: IC50 124.3 µg/mL; ABTS: 95.4 µg/mL) when compared that of other accessions....
Ionizing radiation ( IR ) affects gene expression from plant genomes. To monitor the genome‐wide transcriptional changes induced by three types of , we used rice Affymetrix GeneChip microarray to identify genes that are up‐ or down‐regulated gamma rays GAs ), cosmic CRs and ion beams IBs ). The overall patterns in seedlings generated seeds exposed were similar but differed for exposure. Expression profiles involved metabolic pathways cellular response identified using MapMan analysis. This...
Isoegomaketone (IK) is an essential oil component of Perilla frutescens (L.) Britt., and there have been no studies investigating its biological activities. We found that IK inhibits lipopolysaccharide (LPS)-induced nitric oxide (NO) production in RAW 264.7 macrophages, moreover, when was injected into animals prior to LPS administration, NO serum levels decreased a dose-dependent manner. These results indicate possesses anti-inflammatory activity both vitro vivo. suppressed the...
The genus Cynodon comprises ten species. objective of this study was to evaluate the genetic diversity Korean bermudagrasses at morphological, cytological and molecular levels. Morphological parameters, nuclear DNA content ploidy levels were observed in 43 bermudagrass ecotypes. AFLP markers evaluated define diversity, chromosome counts made confirm inferred cytotypes. Nuclear contents ranges 1.42-1.56, 1.94-2.19, 2.54, 2.77-2.85 pg/2C for triploid, tetrapioid, pentapioid, hexapioid...
The root of Hibiscus syriacus (Malvaceae) has been used for treatment fungal diseases such as tinea pedis (athlete's foot). In this study, we investigated the antifungal constituent Ggoma, which was produced by a mutation breeding using gamma ray irradiation, and compared activity H. Ggoma its parent type. According to results, methanolic extract exhibited four times higher than type against Trichophyton mentagrophytes. Following purification through various column chromatographies,...
A high-salt environment represents environmental stress for most plants. Those that can grow and thrive in such an must have membrane transport systems respond effectively. Plant roots absorb Na+ from the soil, plant maintain homeostasis to survive salt stress. major mechanism by which salt-tolerant plants adapt is through modulation of ion genes. We subjected a population rice mutagenesis, identified lines with both single-nucleotide polymorphisms (SNPs) genes altered responses Primers...
Rapeseed (Brassica napus L.) holds significant commercial value as one of the leading oil crops, with its agronomic features and quality being crucial determinants. In this investigation, 73,226 single nucleotide polymorphisms (SNPs) across 95 rapeseed mutant lines induced by gamma rays, alongside original cultivar (‘Tamra’), using genotyping-by-sequencing (GBS) analysis were examined. This study encompassed gene ontology (GO) a genomewide association (GWAS), thereby concentrating on traits...
The flowers of Chrysanthemum morifolium Ramat. have been used as an herbal tea and in traditional medicine, the plant has developed to produce horticultural cultivars various colors shapes. In this study, a new chrysanthemum cultivar with dark purple petals ( C. cv. ARTI-Dark Chocolate; ADC) was by radiation-induced mutation breeding its original striped white Noble Wine, NW). phenolic profile antioxidant property ADC were investigated compared NW commercially available medicinal herb,...
Roses are one of the most important floricultural crops, and their essential oils have long been used for cosmetics aromatherapy. We investigated volatile compound compositions 12 flower-color mutant variants original cultivars. Twelve rose genotypes were developed by treatment with 70 Gy 60Co gamma irradiation six commercial Essential from flowers 18 analyzed gas chromatography–mass spectrometry. Seventy-seven compounds detected, which categorized into classes: Aliphatic hydrocarbons,...
In addition to its role as an energy source for plants, animals and humans, starch is also environmentally friendly alternative fossil fuels. rice, the eating cooking quality of grain determined by properties. The floury endosperm rice has been explored agronomical trait in breeding genetics studies. present study, we characterized a mutant, flo(a), derived from treatment Oryza sativa ssp. japonica cultivar Hwacheong with MNU. innermost flo(a) mutant exhibited characteristics while outer...