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Isolation of Superoxide Dismutase cDNAS from an Weedy Rice Variety and Transformation of a Cultivated Rice Variety (잡초성벼의 superoxide dismutase cDNA cloning과 재배벼로의 형질전환)

  • Park, Sang-Gyu;Park, Jong-Suk;Lee, Seung-In;Suh, Suk-Chul;Kim, Byung-Keuk;Jo, Youl-Lae;Suh, Hak-Soo
    • Korean Journal of Environmental Agriculture
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    • v.21 no.2
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    • pp.156-161
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    • 2002
  • Two different cDNA clones for superoxide dismutase (SOD) were isolated from an weedy rice variety (Oryza sativa, cv. Bhutan14Ad) and were introduced into a cultivated rice variety (Oryza sativa, cv. Nakdong) in order to develop the environmental stress-resistant rice plants. Sequence analysis of the cloned cDNAS indicated that the deduced amino acid sequence of SOD-A is 88.4% identical to that of SOD-B. Furthermore, the nucleotide sequence of SOD-A is 99.3% identical to that of a Cu/Zn SOD gene of Oryza sativa (GenBank accession No. L36320). The nueleotide sequence of SOD-B was identical to that of the previously published SOD gene (Accession No. D01000). A cultivated rice variety, Nakdong-byeo, was transformed with chimeric SOD genes containing a actin promoter of rice and pin2 terminator using a particle bombardment technique. Transformed calli were selected on an selection medium containing phosphinothricin (PPT). Transgenic rice plants were regenerated from the PPT-resistant calli. PCR analysis with genomic DNAs from transgenic plants revealed that transgenes are introduced into rice genome.

A Survey on Usage of Korean Standard Records Management System (표준기록관리시스템의 활용현황 연구)

  • Lee, So-Yeon
    • The Korean Journal of Archival Studies
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    • no.43
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    • pp.71-102
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    • 2015
  • The present study aims at investigating the current usage patterns of Korean Standard Records Management System. The Korean Standard Records Management System has been designed and distributed by the National Archives Korea in order to support records management of public agencies. An email survey has been sent to 4 types of public agencies: central government agencies, provincial governments, provincial education offices as well as city and county offices. While all agencies are included in the survey for the first three types, only two provincial districts are selected for city and county offices, Out of 101 email questionnaires sent, 65 are returned(63.73%). The results show the usage patterns of 240 functionalities aligned to 9 main functions: accession from records creators, preservation, appraisal, accession to the national archives, reference management, access and tracking, retrieval and use, system management as well as freedom of information management by public institutions. Since its launch in 2007, the system has been distributed to 707 public agencies as of late 2014. The problem is that there has been no attempt to evaluate the functionalities and usabilities of the system. Only grievances from those agencies implemented the system have never been ceased. The present study is expected to offer the levelled ground for productive discussion between the national archives and the agencies.

Food culture research of Gwangju and Chollanamdo area(II) - In Particular Food - (광주와 전라남도의 음식문화 연구(II) - 특별음식 -)

  • 김경애;정난희;전은례
    • Journal of the Korean Home Economics Association
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    • v.41 no.3
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    • pp.181-196
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    • 2003
  • Investigated kinds and utilization frequency for traditional food and Particular food to systematize Gwangju city and Chollanamdo area traditional food culture. Awareness for traditional food had pride because taste is various, and did that must use much when was festive day. Investigation subject were feeling necessity about accession, development of traditional food, and manufacture of traditional food, succession did that must take charge in home. Characteristic of taste for Gwangju city, Chollanamdo food was deep taste. Difference between variable was significant that age, religion that have pride about traditional food, attainments in scholarship, monthly income that used time much traditional food, degree that give from traditional food to snack is age, attainments in scholarship, years of married life, religion, reason that give snack to traditional food is daughter-in-law order, kind of traditional food that give to snack is age, monthly income mouth, opinion about accession and development of traditional food is age, religion, daughter-in-law order, reason that must inherit and develop traditional food is attainments in scholarship, time that eat much traditional food is attainments in scholarship, a person, medium that learn cuisine of traditional food is age, opportunity that is been interested to traditional food is age, attainments in scholarship, years of married life. By utilization rate of food-tasting food subdivisions of the season, used much by rice-cake soup, fermented rice punch, order of cake made from glutinous rice New Year's Day, by herbs, Gimgui, Ogokbap's order January Full Moon Day on the lunar calendar. By a cake made in the shape of a flower, azalea honeyed juice mixed with fruits as a punch order to Samjitnal, by beans panbroiling, dropwort raw order Buddha's Birthday, Tano Festival uses Charyunbyeong and used Tteoksudan in Yudu and used much by young chicken soup with ginseng and other fruits, watermelon order period of midsummer heat. Used songpyon and fermented rice punch in Full-moon Harvest Day, and Junggujeol used Chrysanthemum griddle cakes made in flower Pattern, and red-bean gruel taken on the winter solstice, and Nappyeongjeolsik was utilizing Goldongban. Pyebaek food utilization ratio was high the utilization rate by chestnut, jujube, chicken, wine order. The contributiveness food utilization rate was high the utilization rate by rice cake, dried croaker, fruit, oil-and-honey pastry order. The large table food utilization rate was high the utilization rate by fermented rice punch, fruit, steamed short-ribs order.

Japanese Companies Investment in China After Chinas Entry into WTO (중국(中國)의 WTO가맹(加盟)에 의한 일본기업(日本企業)의 대중투자(對中投資)에 관한 연구(硏究))

  • Wang, Guo An;Choi, Seok-Beom
    • THE INTERNATIONAL COMMERCE & LAW REVIEW
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    • v.23
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    • pp.341-372
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    • 2004
  • Since China was admitted to the World Trade Organization (WTO) on December 11, 2001, China has sped up its active participation in the competition of the world economy by lifting its trade and investment restrictions and limits. Its trading system is getting more and more free and its huge market with a population of 1.3 billion has been getting more and more open. With Chinas WTO accession, China has been honoring its commitments to its WTO members by complying with international business practices and WTO rules. For example, it will cut down its import tariffs for automobiles from the present 80% to 25% by 2006. Its financial sector and service industries are open to foreign investors now. As Chinas biggest business partner, Japan has benefited tremendously from Chinas open policies and deepening economic reform. In order to reduce the costs of production, a large number of enterprises from Japan have set up production bases in China since a Chinese workers wages accounts for only one tenth of those of a Japanese worker on the average. Japan has become one of Chinas biggest investors on a par with the United States of America (USA). How are the Japanese enterprises in Japan and in China adjusting themselves to the rapid changes of the Chinese market? What characteristics do the Japanese enterprises in China have? What effects has Chinas WTO accession had on those Japanese enterprises that have invested in China? This paper finds answers to the above questions. It at first reviews the Sino-Japanese economic and trade relations since 1980s, then analyses the situation and characteristics of Japanese-invested enterprises in China, and explores their problems in China. Finally it puts forward some suggestions for the Japanese enterprises in China.

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Development of Detection Method for Niphon spinosus, Epinephelus bruneus, and Epinephelus septemfasciatus using 16S rRNA Gene (16S rRNA를 이용한 다금바리, 자바리, 능성어 판별법 개발)

  • Park, Yong-Chjun;Jung, Yong-Hyun;Kim, Mi-Ra;Shin, Joon-Ho;Kim, Kyu-Heon;Lee, Jae-Hwang;Cho, Tae-Yong;Lee, Hwa-Jung;Lee, Sang-Jae;Han, Sang-Bae
    • Korean Journal of Food Science and Technology
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    • v.45 no.1
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    • pp.1-7
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    • 2013
  • Niphon spinosus, Epinephelus bruneus, and Epinephelus septemfasciatus are involved in the Perciformes Order and Serranidae Family. When E. bruneus and E. septemfasciatus are fully grown, the striped pattern on the body gradually disappears. Therefore, morphological classification of adult fishes is quite difficult to identify the differences to N. spinosus. In this study, we investigate the method to differentiate those using PCR. To design the primers, 16S rRNA region of N. spinosus, E. bruneus, and E. septemfasciatus registered in the GeneBank (www.ncbi.nlm.nih.gov) have been used and for the analysis, Bio Edit ver. 7.0.9.0 was used. As a result, it was design NS-003-F/NS-005-R (136 bp), EB-001-F/EB-002-R (181 bp), and ES-001-F/ES-001-R (123 bp) primers for the differentiation of each 3 different fishes. Therefore, the species-specific primer sets would be a useful tool for scientific and speedy differentiation against the illegal distribution for consumer protection.

A Study on the Use of Book Numbers in the National Libraries and Regional Central Libraries in Korea (국가도서관과 지역대표도서관의 도서기호 현황 분석 및 개선방안에 관한 연구)

  • Chung, Yeon-Kyoung;Chang, Yun-Mee
    • Journal of the Korean Society for information Management
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    • v.29 no.3
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    • pp.79-97
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    • 2012
  • The purpose of this study was to investigate the current status of assigning book numbers and the perceptions of librarians who assign the book numbers at two National Libraries, nine Regional Central Libraries and Jeongdok Public Library in Korea. Based upon the analysis, a better method to assign book numbers for the libraries was suggested. The most serious problem was the length of the book numbers due to the duplication of book numbers and lack of intuitiveness. Therefore, this study suggested a user-oriented way of assigning book numbers based upon combining the name of the author and the year of the publication.

A Study of New Chronological Book Numbers (새 연대순 도서기호법의 연구)

  • Lee Jai Chul
    • Journal of the Korean Society for Library and Information Science
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    • v.12
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    • pp.7-37
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    • 1985
  • In most of the modern libraries throughout the world, it is popular to adopt the author number which arranges the books or entries in alphabetical order of their author's names within the same ultimate class. However, viewed historically, that was the Western practice never used in the East before. Traditionally chronological order was followed in the East. Book number not only individualizes the books within the same class but also makes it easy for the user to choose and find out the relevant materials. In this respect, chronological book number is decidedly superior to all kinds of book number systems ever have been existed. Especially in these days of rapid obsolescence of documents and with serious problems of storage of documents, the chronological order seems to be the most modern and future-oriented of all other book number systems because it distinguishes clearly new materials from aged materials by the date of publication and controls the stack spaces mechanically and effectively. This writer devised New Chronological Book Numbers adaptable to both the Eastern and Western materials, and the system has been adopted at Yonsei University Library. The features of the system are as follows: (1) It is easy to type the call number in cataloging the Eastern and Western materials. That is because the structure of the chronological number is pure numerical notation by taking the last two figures of the year within twentieth century(e.g. 85 for AD 1985), that is 1900s, and the last three figures of the year from twenty-first century to thirtieth century, that is 2000s. (2) It does not make all classes have chronological number uniformly. Within the classes for individual biographies, genealogies and collections of biography of specific family, books about individual organization, individual literary and artistic works, philosophical works of the famous philosophers, books and its facsmile editions published before 1900, new editions, translations, commentaries, serials, chronological number is assigned to the author number as in the past. (3) It separates the Eastern materials from the Western materials and makes the typing easy in cataloging. That is because the subarrangement within the same chronological book number is made by the accession order which uses 'panjol-ponmun' or the characters of basic syllabic table of Korean alphabet in case of the Eastern materials and Roman alphabet in case of the Western materials.

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Cloning and Nucleotide Sequencing of a Partial Glutamate Decarboxylase Gene from Arabidopsis thaliana cDNA Library (애기장대 cDNA library로부터 Glutamate Decarboxylase 유전자의 부분 클로닝 및 서열분석)

  • 오석흥;최원규;최동성
    • KSBB Journal
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    • v.16 no.1
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    • pp.36-40
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    • 2001
  • In order to study the molecular mechanism of $\gamma$-aminobutyric acid (GABA) production in plants, we cloned and sequenced a partial glutamate decarboxylase (GAD) cDNA from the Arabidopsis thaliana cDNA library, using primers targeted at highly conserved sequences of the petunia GAD gene. The cDNA fragment was inserted into TA cloning vector with T7 promoter and the recombinant plasmid obtained was used to transform E. coli. The plasmid DNA purified from the transformed E. coli was digested with EcoRI and the presence of the insert was confirmed. Nucleotide sequence analysis showed that the fragment is a partial Arabidopsis thaliana GAD gene and that the sequence showed 98% and 78% identity to the region of the putative Arabidopsis thaliana GAD sequences deposited in GenBank, Accession nos: U46665 and U10034, respectively. The amino acid sequence deduced from the partial Arabidopsis thaliana GAD gene showed 99% and 91% identities to the GAD sequences deduced from the genes of the U46665 and U10034, respectively. The partial cDNA sequence determined may facilitate the study of the molecular mechanism of GABA metabolism in plants.

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Identification and characterization of a rice blast fungal elicitor-inducible Oshin1 gene

  • Kim, Cha-Young;Lee, Sung-Ho
    • Journal of Plant Biotechnology
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    • v.36 no.1
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    • pp.45-52
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    • 2009
  • In order to understand the molecular interactions that occur between rice and the rice blast fungus during infection, we previously identified a number of rice blast fungal elicitor-responsive genes from rice (Oryza sativa cv. Milyang 117). Here, we report the cloning and characterization of the rice fungal elicitor-inducible gene Oshin1 (GenBank Accession Number AF039532). Sequence analysis revealed that the Oshin1 cDNA is 1067 bp long and contains an open reading frame encoding 205 amino acid residues. The Oshin1 gene shows considerable sequence similarity to the tobacco hin1 and hin2 genes. The predicted Oshin1 protein has a cysteine-rich domain at the N-terminus and is rich in leucine, serine, and alanine residues. Southern blot analysis suggests that Oshin1 gene is a member of a small gene family in the rice genome. To examine the expression of Oshin1, Northern blot analysis was conducted. Expression of the Oshin1 transcript is rapidly induced in suspension-cultured rice cells treated with fungal elicitor, salicylic acid or hydrogen peroxide. In addition, Oshin1 transcript levels are rapidly increased by treatment with $Ca^{2+}$/A23187. The expression of Oshin1 was also elevated in 3-week old leaf tissues upon ethephon application or fungal elicitor treatment. Our results suggest that the Oshin1 gene is involved in plant defense responses to environmental stresses.

Human Ribosomal Protein L18a Interacts with hnRNP E1

  • Han, Sun-Young;Choi, Mie-Young
    • Animal cells and systems
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    • v.12 no.3
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    • pp.143-148
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    • 2008
  • Heterogeneous nuclear ribonucleoprotein E1(hnRNP E1) is one of the primary pre-mRNA binding proteins in human cells. It consists of 356 amino acid residues and harbors three hnRNP K homology(KH) domains that mediate RNA-binding. The hnRNP E1 protein was shown to play important roles in mRNA stabilization and translational control. In order to enhance our understanding of the cellular functions of hnRNP E1, we searched for interacting proteins through a yeast two-hybrid screening while using HeLa cDNA library as target. One of the cDNA clones was found to be human ribosomal protein L18a cDNA(GenBank accession number BC071920). We demonstrated in this study that human ribosomal protein L18a, a constituent of ribosomal protein large subunit, interacts specifically with hnRNP E1 in the yeast two-hybrid system. Such an interaction was observed for the first time in this study, and was also verified by biochemical assay.