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윤웅한 ( Ung Han Yoon ),이정화 ( Jeong Hwa Lee ),이강섭 ( Gang Seob Lee ),김영미 ( Young Mi Kim ),지현소 ( Hyeon So Ji ),김태호 ( Tae Ho Kim ) 한국국제농업개발학회 2011 韓國國際農業開發學會誌 Vol.23 No.5
In Japan, plant genomics research is mainly leaded by the national research institutes. The various structural studies such as rice genome has allowed researchers to analyze useful traits, and to focus their commercialization. With aims to facilitate structural and functional study in plant genome, NIAS (National Institute of Agrobiological Sciences) constructed Poaceae genome DB and RIKEN (Rikagaku Kenkyusho) built DB for Arabidopsis genome and plant full-length cDNA. NIG (National Institute of Genetics) constructed a national biological resources DB (National Bio Resource Project). This compiling DB provides a variety of genome-related research materials for researchers in the field. Recently, as an effort to resolve global issues of food supply and environmental problems, New Agri-genome Project has been performed aiming to develop an innovative agricultural technologies for the quantity, disease resistance and identifying useful genes related to environmental problems. In addition, in order to improve agricultural productivity in developing countries, JIRCAS assisted technical supports for the plant genome research and developed NERICA rice, which is suitable for African area. Such these approaches are expected to contribute to solving the global issues about food, energy and environment in the world.
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연구보문 : 자연과학 ; 자포니카 벼의 종자 저장단백질 유전자 구조 및 발현분석 연구 현황
윤웅한 ( Ung Han Yoon ),이정화 ( Jeong Hwa Lee ),이강섭 ( Gang Seob Lee ),김영미 ( Young Mi Kim ),한장호 ( Jang Ho Hahn ),지현소 ( Hyeon So Ji ),윤성원 ( Sung Won Yoon ),이종렬 ( Jong Yeol Lee ),김태호 ( Tae Ho Kim ) 한국국제농업개발학회 2012 韓國國際農業開發學會誌 Vol.24 No.3
Based on the outcome of the rice genome sequencing, a lot of researches for identification of genes underlying useful traits and their utilization are being carried out recently. Especially, rice seed storage proteins are used as a main nutrition source for human while they are used as the nitrogen source for plant growth during seed germination. Rice seed storage proteins are divided by solubility in solvent into weak acid and alkali soluble glutelin, alcohol soluble prolamin, and salt soluble globulin. The rice genome contains 11 glutelin genes and 33 prolamin genes. In the case of prolamin genes, 15 genes are located in 15 Mb region on the chromosome 5. Clustering of seed storage protein genes on the same chromosomal region indicates that they are evolved from the same chromosome or they share similar gene expression regulatory region. Only single globulin gene existed on the chromosome 5. As a result of tissue- specific expression pattern analysis of seed storage protein genes using microarray, glutelin and most of prolamin genes were expressed only in seed endosperm, while a few prolamin and the globulin genes are expressed in seed endosperm and germinating seed. As a result of isolating promoter regions of the seed storage protein genes and analyzing their expression pattern in seed, glutelin type C1 promoter showed expression in whole seed, and glutelin type B5 and α-globulin promoter showed strong expression. This paper reviewed on the structure and expression profile of rice seed storage protein genes, and will provide information on the recent research status to the researchers who are studying on the improvement of seed traits and production of substances.
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