Search results for: Jin-A Kim

Items from 1 to 20 out of 64 results

article

Admixture of divergent genomes facilitates hybridization across species in the family Brassicaceae

Hosub Shin, Jeong Eun Park, Hye Rang Park, Woo Lee Choi, more

Hybridization and polyploidization are pivotal to plant evolution. Genetic crosses between distantly related species are rare in nature due to reproductive barriers but how such hurdles can be overcome is largely unknown. Here we report the hybrid genome structure of xBrassicoraphanus, a synthetic allotetraploid of Brassica rapa and Raphanus sativus. We performed cytogenetic analysis and de novo...

article

Front Cover: Highly Efficient Iridium‐Catalyzed Production of Hydrogen and Lactate from Glycerol: Rapid Hydrogen Evolution by Bimetallic Iridium Catalysts (Eur. J. Inorg. Chem. 43/2020)

Yeon‐Joo Cheong, Kihyuk Sung, Jin‐A Kim, Yu Kwon Kim, more

European Journal of Inorganic Chemistry > 2020 > 43 > 4054 - 4054

The Front Cover shows highly efficient Ir(triscarbene)‐catalyzed sustainable hydrogen generation from biomass‐derived glycerol. The bimetallic iridium catalyst promoted hydrogen production with a higher rate than the monometallic iridium catalyst at the initial stage of the reaction. More information can be found in the Full Paper by H.‐Y. Jang et al.

article

Highly Efficient Iridium‐Catalyzed Production of Hydrogen and Lactate from Glycerol: Rapid Hydrogen Evolution by Bimetallic Iridium Catalysts

Yeon‐Joo Cheong, Kihyuk Sung, Jin‐A Kim, Yu Kwon Kim, more

European Journal of Inorganic Chemistry > 2020 > 43 > 4064 - 4068

Mono‐ and bimetallic iridium complexes involving novel triscarbene ligands were synthesized and applied to the dehydrogenation of biomass‐derived glycerol. This resulted in affording hydrogen and lactate with the excellent turnover number (TON; 3,240,000) and turnover frequency (TOF; 162,000 h^–¹). The triscarbene ligand in a single frame allowed the formation of bimetallic iridium complexes. This...

article

Preparation and characterization of curcumin solid dispersion using HPMC

Ji Young Yu, Jin A. Kim, Hee Joung Joung, Jung A. Ko, more

Journal of Food Science > 85 > 11 > 3866 - 3873

Abstract Curcumin solid dispersions were prepared using hydroxypropyl methylcellulose (HPMC) to enhance water solubility of curcumin. The particle size of curcumin solid dispersions was in range from 371 to 528 nm and particles were shaped as spherical with wrinkles. The encapsulation efficiency was over 93% for all samples, and water solubility of curcumin was significantly improved to 238 µg/mL...

article

Sound waves affect the total flavonoid contents in Medicago sativa, Brassica oleracea and Raphanus sativus sprouts

Joo Yeol Kim, Ye Eun Kang, Soo In Lee, Jin A Kim, more

Journal of the Science of Food and Agriculture > 100 > 1 > 431 - 440

BACKGROUND Sound waves are emerging as a potential biophysical alternative to traditional methods for enhancing plant growth and phytochemical contents. However, little information is available on the improvement of the concentration of functional metabolites like flavonoids in sprouts using sound waves. In this study, different frequencies of sound waves with short and long exposure times were applied...

article

Sinensetin regulates age-related sarcopenia in cultured primary thigh and calf muscle cells

Jin-A Kim, Seong Min Kim, Sang Eun Ha, Preethi Vetrivel, more

BMC Complementary and Alternative Medicine > 2019 > 19 > 1 > 1-8

Background Sarcopenia, the decline of skeletal muscle tissue attributed to primary aging is a major concern in older adults. Flavonoids might have potential benefits by modulating the regulation of satellite cells, thus preventing muscle loss. Sinensetin (SIN), a citrus methylated flavone with anti-inflammatory and anti-proliferative activity, can enhance lipolysis. The objective of the present study...

article

Genome-wide analysis of spatiotemporal gene expression patterns during floral organ development in Brassica rapa

Soo In Lee, Muthusamy Muthusamy, Muhammad Amjad Nawaz, Joon Ki Hong, more

Molecular Genetics and Genomics > 2019 > 294 > 6 > 1403-1420

Flowering is a key agronomic trait that directly influences crop yield and quality and serves as a model system for elucidating the molecular basis that controls successful reproduction, adaptation, and diversification of flowering plants. Adequate knowledge of continuous series of expression data from the floral transition to maturation is lacking in Brassica rapa. To unravel the genome expression...

article

Elevated carbon dioxide significantly improves ascorbic acid content, antioxidative properties and restricted biomass production in cruciferous vegetable seedlings

Muthusamy Muthusamy, Jung Eun Hwang, Suk Hee Kim, Jin A. Kim, more

Plant Biotechnology Reports > 2019 > 13 > 3 > 293-304

The rise in atmospheric CO₂ concentrations has profound impact on nutritional, metabolic and physiological activities of crop plants. In this study, the impact of elevated CO₂ ranging from 350 to 4000 ppm on l-ascorbic acid (AsA) content, antioxidative properties and growth characteristics of four cruciferous vegetable seedlings (Chinese cabbage, bok choy, radish and red young radish) was analyzed...

article

Brassica rapa expansin-like B1 gene (BrEXLB1) regulate growth and development in transgenic Arabidopsis and elicits response to abiotic stresses

Panneerselvam Krishnamurthy, Muthusamy Muthusamy, Jin A. Kim, Mi-Jeong Jeong, more

Journal of Plant Biochemistry and Biotechnology > 2019 > 28 > 4 > 437-446

The functional role of expansin-like A and B family members remains unclear in plants. In this study, we investigate the functional role of Brassica rapa expansin-like B1 (BrEXLB1) by overexpressing BrEXLB1 sense, antisense and BrEXLB1 specific promoter: GUS in Arabidopsis. The overexpressors of sense BrEXLB1, antisense BrEXLB1 showed variable and unstable pleiotropic effects on leaf growth. Interestingly,...

article

Genome-wide Characterization of Brassica rapa Genes Encoding Serine/arginine-rich Proteins: Expression and Alternative Splicing Events by Abiotic Stresses

Eun Kyung Yoon, Panneerselvam Krishnamurthy, Jin A. Kim, Mi-Jeong Jeong, more

Journal of Plant Biology > 2018 > 61 > 4 > 198-209

Serine/arginine-rich (SR) gene family members can diversify the transcriptome and proteome of eukaryotes by facilitating the alternative splicing (AS) of precursor messenger RNAs. Herein, we investigated the evolutionary dynamics, AS patterns, and expression levels of the Brassica rapa SR (BrSR) gene family in young seedlings treated with abiotic stresses. A comparative genomic analysis identified...

article

Sound waves increases the ascorbic acid content of alfalfa sprouts by affecting the expression of ascorbic acid biosynthesis-related genes

Joo Yeol Kim, Soo In Lee, Jin A. Kim, Soo-Chul Park, more

Plant Biotechnology Reports > 2017 > 11 > 5 > 355-364

Previous studies have shown that sound wave treatment can affect the expression of plant genes and improve the growth. So, we investigated the ability of sound waves to increase AsA (l-ascorbic acid) content in alfalfa (Medicago sativa) sprouts in this study. Sprouts were exposed to a range of sound wave frequencies for two 1-h periods per day for various numbers of days. Most sound wave treated sprouts...

article

Quantized interfacial properties at lead sulfide/Zn1−xMgxO energy harvesting assembly: Formation of nanocrystal solid solution

Seongeun Cho, Youngjun Kim, Minkyoing Kim, Jin-A. Kim, more

Solar Energy Materials and Solar Cells > 2017 > 164 > C > 156-164

We demonstrate that, through formation of Zn_1−xMg_xO nanocrystal solid solution (NCSS) coupled with lead sulfide (PbS) nanocrystal (NC) of different size, optoelectronic properties of a donor-acceptor energy harvesting assembly can be probed and tuned. In the ITO/PEDOT:PSS/PbS/Zn_1−xMg_xO/Al arrangement as a photovoltaic test probe, simultaneous tuning of Zn_1−xMg_xO NC solid solution (NCSS) and PbS NC...

article

Sound wave affects the expression of ethylene biosynthesis-related genes through control of transcription factors RIN and HB-1

Joo Yeol Kim, Hye Ryun Ahn, Sun Tae Kim, Cheol Woo Min, more

Plant Biotechnology Reports > 2016 > 10 > 6 > 437-445

We previously reported that sound wave treatment (1 kHz) delays fruit ripening in tomato (Solanum lycopersicum), affecting the expression of ethylene biosynthesis-related genes encoding 1-aminocyclopropane-1-carboxylic acid (ACC) synthases (ACS) and ACC oxidases (ACO). In this study, we investigated the activity of the transcription factors RIN and HB-1, which function in the ethylene biosynthetic...

article

Promoter of chrysanthemum actin confers high-level constitutive gene expression in Arabidopsis and chrysanthemum

Joon Ki Hong, Eun Jung Suh, Soo-Jin Kwon, Seung Bum Lee, more

Scientia Horticulturae > 2016 > 211 > C > 8-18

A promoter that confers high-level constitutive expression of transgenes in crop plants, designated the CmActin promoter, was isolated from chrysanthemum (Chrysanthemum morifolium Ramat. ‘White Wing’). We characterized Arabidopsis and chrysanthemum transformants bearing a CmActin promoter-β-glucuronidase (GUS) reporter construct. Analysis of GUS expression demonstrated that the promoter directed reporter...

article

Gene loss/retention and evolutionary pattern of ascorbic acid biosynthesis and recycling genes in Brassica rapa following whole genome triplication

Panneerselvam Krishnamurthy, Jin A. Kim, Mi-Jeong Jeong, Ill Sup Nou, more

Genes & Genomics > 2016 > 38 > 12 > 1129-1143

Ascorbic acid (AsA) is an inevitable antioxidant found abundantly in higher plants. Despite the importance of AsA in plants, how AsA biosynthesis (ABGs; d-mannose/l-galactose pathway) and AsA recycling genes (ARGs) evolved through polyploidization has not been addressed to date. Here, we evaluated the impacts of whole genome triplication (WGT) on ABGs and ARGs in Chinese cabbage (Brassica rapa ssp...

chapter

Techniques to generate UTP-based test cases from sequence diagrams using M2M (Model-to-Model) transformation

Yongjin Seo, Eun Young Cheon, Jin-A Kim, Hyeon Soo Kim

2016 IEEE/ACIS 15th International Conference on Computer and Information Science (ICIS) > 1 - 6

2016 IEEE/ACIS 15th International Conference on Computer and Information Science (ICIS)

In order to conduct model based testing of sequence diagrams, test cases should be automatically generated from sequence diagrams. To this end, the scenarios expressed by the sequence diagrams are identified and paths that satisfy the test coverage are extracted to generate test information. However, since sequence diagrams express loop, optional, and alternative information using combined fragments,...

chapter

Efficient Uplink Scheduler Architecture of Subscriber Station in IEEE 802.16 System

Woo-Jae Kim, Joo-Young Baek, Sun-Don Lee, Young-Joo Suh, more

Lecture Notes in Computer Science > Embedded and Ubiquitous Computing – EUC 2005 Workshops > IFIP International Symposium on Network-Centric Ubiquitous Systems (NCUS 2005) > 734-743

The IEEE 802.16, broadband fixed wireless access standard, defines four service classes, USG, rtPS, nrtPS and BE on high speed wireless networks. To guarantee the QoS requirement of these classes, the subscriber station and base station require scheduling architecture and algorithm. However, the IEEE 802.16 does not define any scheduling architecture or algorithm, and the most existing scheduling...

article

The study of light waveguide effects on ZnO nanorod arrays

Tae-Un Kim, Myeng-Gil Gang, Jin-A Kim, Jong-Ha Moon, more

Electronic Materials Letters > 2016 > 12 > 2 > 224-231

Two different types of ZnO nanorods (hexagonal pyramid-shaped nanorod and hexagonal prism-shaped nanorod) were integrated on light emitting diodes (LEDs) for the investigation of light waveguide effects, which were evaluated using electroluminescence (EL) and current-voltage (I–V) characteristics. EL intensity in LEDs with hexagonal prism-shaped ZnO nanorod arrays were improved by 18% while EL intensity...

article

Reduction of GIGANTEA expression in transgenic Brassica rapa enhances salt tolerance

Jin A. Kim, Ha-eun Jung, Joon Ki Hong, Victor Hermand, more

Plant Cell Reports > 2016 > 35 > 9 > 1943-1954

Key message Here we report the enhancement of tolerance to salt stress in Brassica rapa (Chinese cabbage) through the RNAi-mediated reduction of GIGANTEA ( GI ) expression. Abstract Circadian clocks integrate environmental signals with internal...

article

Sound waves delay tomato fruit ripening by negatively regulating ethylene biosynthesis and signaling genes

Joo-Yeol Kim, Jin-Su Lee, Taek-Ryoun Kwon, Soo-In Lee, more

Postharvest Biology and Technology > 2015 > 110 > Complete > 43-50

Regulation of tomato fruit ripening may help extend fruit shelf life and prevent losses due to spoilage. Here, tomato fruit were investigated whether sound treatment could delay their ripening. Harvested fruit were treated with low-frequency sound waves (1kHz) for 6h, and then monitored various characteristics of the fruit over 14-days at 23±1°C. Seven days after the treatment, 85% of the treated...

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INFONA - science communication portal

Search results for: Jin-A Kim

Admixture of divergent genomes facilitates hybridization across species in the family Brassicaceae

Front Cover: Highly Efficient Iridium‐Catalyzed Production of Hydrogen and Lactate from Glycerol: Rapid Hydrogen Evolution by Bimetallic Iridium Catalysts (Eur. J. Inorg. Chem. 43/2020)

Highly Efficient Iridium‐Catalyzed Production of Hydrogen and Lactate from Glycerol: Rapid Hydrogen Evolution by Bimetallic Iridium Catalysts

Preparation and characterization of curcumin solid dispersion using HPMC

Sound waves affect the total flavonoid contents in Medicago sativa, Brassica oleracea and Raphanus sativus sprouts

Sinensetin regulates age-related sarcopenia in cultured primary thigh and calf muscle cells

Genome-wide analysis of spatiotemporal gene expression patterns during floral organ development in Brassica rapa

Elevated carbon dioxide significantly improves ascorbic acid content, antioxidative properties and restricted biomass production in cruciferous vegetable seedlings

Brassica rapa expansin-like B1 gene (BrEXLB1) regulate growth and development in transgenic Arabidopsis and elicits response to abiotic stresses

Genome-wide Characterization of Brassica rapa Genes Encoding Serine/arginine-rich Proteins: Expression and Alternative Splicing Events by Abiotic Stresses

Sound waves increases the ascorbic acid content of alfalfa sprouts by affecting the expression of ascorbic acid biosynthesis-related genes

Quantized interfacial properties at lead sulfide/Zn1−xMgxO energy harvesting assembly: Formation of nanocrystal solid solution

Sound wave affects the expression of ethylene biosynthesis-related genes through control of transcription factors RIN and HB-1

Promoter of chrysanthemum actin confers high-level constitutive gene expression in Arabidopsis and chrysanthemum

Gene loss/retention and evolutionary pattern of ascorbic acid biosynthesis and recycling genes in Brassica rapa following whole genome triplication

Techniques to generate UTP-based test cases from sequence diagrams using M2M (Model-to-Model) transformation

Efficient Uplink Scheduler Architecture of Subscriber Station in IEEE 802.16 System

The study of light waveguide effects on ZnO nanorod arrays

Reduction of GIGANTEA expression in transgenic Brassica rapa enhances salt tolerance

Sound waves delay tomato fruit ripening by negatively regulating ethylene biosynthesis and signaling genes

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