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RISS 인기검색어
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- 저자 : JangHo Hahn (검색결과 8 건)
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The Development of Agricultural Biosafety Clearing House (ABCH) in Korea
Kim, ChangKug,Hahn, JangHo 한국국제농업개발학회 2004 韓國國際農業開發學會誌 Vol.16 No.2
농촌진흥청의 농업생명공학연구원은 바이오안전성과 생물산업에 대한 정보를 종합적이고 균형적인 시각으로 제공하여 바이오안전성에 대한 대국민 인식을 제고시킬수 있는 농업바이오안전성정보센터(ABCH)를 구축하였다. 정보센터는 국내 유전자 변형 생물체의 개발, 실험, 생산, 유통정보를 수집하고, 유전자 변형 생물체의 인체 및 환경 위해성 평가 심사 정보를 관리하며 영문 홈페이지 구축을 통하여 국제바이오안전성정보센터, 관련 국제기구, 세계 각국이 제공하는 바이오 안전성 정보를 수집하여 데이터베이스로 구축하고 인터넷을 통하여 제공하고 있다. 향후 정보센터는 국내외의 유전자변형생물체에 대한 동향과 개발정보, 심사제도, 바이오안전성 정보 등에 대한 정확한 정보를 제공함으로써 개발자의 연구 효율성 향상과 소비자가 유전자변형 농산물을 객관적으로 이해 하는데 도움이 될 것이다. The National Institute Agricultural Biotechnology (NIAB) established the Agricultural Biosafety Clearing House (ABCH) to provide sufficient information to people who develop genetically-modified (GM) crops, and consumers who use Genetically Modified Organisms (GMO) products. ABCH have provided to users information on biosafety through full use and access of BCH by serious menu, and primarily, an Internet-based system using open protocols and standards. ABCH hopes to share information on biosafety with other countries through this site. It will help the GM developers to enhance the efficiency of their research and the consumers to understand the products objectively. Such is done by providing the correct information on domestic & international trends, research, development of GM crops, and status of commercial GM foods.
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Kim, ChangKug,Park, DongSuk,Seol, YoungJoo,Hahn, JangHo Biomedical Informatics 2011 Bioinformation Vol.6 No.6
<P>The National Agricultural Biotechnology Information Center (NABIC) constructed an agricultural biology-based infrastructure and developed a Web based relational database for agricultural plants with biotechnology information. The NABIC has concentrated on functional genomics of major agricultural plants, building an integrated biotechnology database for agro-biotech information that focuses on genomics of major agricultural resources. This genome database provides annotated genome information from 1,039,823 records mapped to rice, Arabidopsis, and Chinese cabbage.</P>
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An online database for genome information of agricultural plants
Kim, ChangKug,Park, DongSuk,Seol, YoungJoo,Yoon, UngHan,Lee, GangSeob,Hahn, JangHo Biomedical Informatics 2012 Bioinformation Vol.8 No.21
<P>The integration-based genome database provides useful information through a user-friendly web interface that allows analysis of comparative genome for agricultural plants. We have concentrated on the functional bioinformatics of major agricultural resources, such as rice, Chinese cabbage, rice mutant lines, and microorganisms. The major functions are focused on functional genome analysis, including genome projects, gene expression analysis, gene markers with genetic map, analysis tools for comparative genome structure, and genome annotation in agricultural plants.</P><P><B>Availability</B></P><P>The database is available for free at http://nabic.naas.go.kr/</P>
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A database for allergenic proteins and tools for allergenicity prediction
Kim, ChangKug,Kwon, SooJin,Lee, GangSeob,Lee, HwanKi,Choi, JiWeon,Kim, YongHwan,Hahn, JangHo Biomedical Informatics Publishing Group 2009 Bioinformation Vol.3 No.8
<P>The AllergenPro database has developed a web-based system that will provide information about allergen in microbes, animals and plants. The database has three major parts and functions:(i) database list; (ii) allergen search; and (iii) allergenicity prediction. The database contains 2,434 allergens related information readily available in the database such as on allergens in rice microbes (712 records), animals (617 records) and plants (1,105 records). Furthermore, this database provides bioinformatics tools for allergenicity prediction. Users can search for specific allergens by various methods and can run tools for allergenicity prediction using three different methods.</P><P><B>Availability</B></P><P>The database is available for free at http://www.niab.go.kr/nabic/</P>
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Identification and characterization of flowering repressor-related genes in Chinese cabbage
ChangKug Kim,이연희,홍준기,DongSuk Park,Mi-Kyoung Kim,조민석,김용갑,JangHo Hahn 한국바이오칩학회 2012 BioChip Journal Vol.6 No.2
In this study, we used a five-step process to identify those genes most likely involved in flowering repression in the Chinese cabbage (Brassica rapa). We tested 6,275 candidate genes with 300K microarrays, which included specific gene expression profiles of FLOWERING LOCUS C (FLC) mutants and normal cultivars during five cold vernalization stages. From that, we identified 289 transcription factor genes and 59 pathway network genes associated with floweringrelated metabolism. Then we compared the 348 genes to 1,287 genes from Gene Ontology and Clusters of Orthologous Groups analyses, which use similar orthologs to categorize conserved genes. Those analyses revealed 10 hypothetical genes for B. rapa, which we verified by reverse transcription-polymerase chain reaction. The final selected genes most likely play regulatory roles in either B. rapa flowering time control or flowering repression during vernalization. While these final genes require further characterization and validation, our study illustrates the usefulness of a multi-layered screening method after initially identifying genes from microarrays.
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Structural and expression analysis of prolamin genes in Oryza sativa L.
Ung-Han Yoon,Tae-Ho Kim,Jeonghwa Lee,JangHo Hahn,Yeon-Ki Kim,Gang-Seob Lee,Hyeon-So Ji,ChangKug Kim,문정환,Young Mi Kim 한국식물생명공학회 2012 Plant biotechnology reports Vol.6 No.3
Rice is a staple crop with a small genome of 389 Mb. Rice grain is a source of carbohydrates and proteins and has a relatively low protein content compared to other legume seeds. Glutelin and prolamin are the major storage proteins in rice. Prolamins are characterized by high glutamine and proline content and are generally soluble only in strong alcohol solutions. In this study, we obtained a total of 51,383 expressed sequence tags (ESTs)from Ilpumbyeo (Oryza sativa L.), of which 33,201 and 18,182 clones were obtained from immature and germinating seeds, respectively. From the EST clones, 15,148unigenes were identified, and 2,590 genes were expressed in both immature and germinating seeds. Gene expression profiling of rice prolamins indicated that prolamin gene expression increased 5 days after heading and reached maximal expression after 30 days, suggesting a high demand for prolamins during seed development and germination. Phylogenetic analysis grouped 33 prolamin genes based on the abundance of sulfur-containing amino acids methionine and cysteine according to the deduced amino acid sequences. Our results enhance the understanding of the regulation of seed maturation and germination, which can result in improved agricultural traits for the seed industry.
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An integrated database to enhance the identification of SNP markers for rice
Kim, ChangKug,Yoon, UngHan,Lee, GangSeob,Park, SungHan,Seol, Young-Joo,Lee, HwanKi,Hahn, JangHo Biomedical Informatics Publishing Group 2009 Bioinformation Vol.4 No.6
<P>The National Academy of Agricultural Science (NAAS) has developed a web-based marker database to provide information about SNP markers in rice. The database consists of three major functional categories: map viewing, marker searching and gene annotation. It provides 12,829 SNP markers information including gene location information on 12 chromosomes in rice. The annotation of SNP marker provides information such as marker name, EST number, gene definition and general marker information. Users are assisted in tracing any new structures of the chromosomes and gene positional functions using specific SNP markers.</P><P><B>Availability</B></P><P>The database is available for free at http://nabic.niab.go.kr/SNP/</P>
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