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자료유형
학술저널
저자정보
Hyoun-Sub Lim (Chungnam National University) Chan-Young Jang (Chungnam National University) Jiryun Nam (Chungnam National University) Meijia Li (Chungnam National University) Jin-Sung Hong (Seoul Woman;s University) Hanhong Bae (Yeungnam University) Ho-Jong Ju (Chonbuk National University) Hong Gi Kim (Chungnam National University) Richard E. Ford (University of Illinois) Leslie L. Domier (University of Illinois)
저널정보
한국식물병리학회 The Plant Pathology Journal The Plant Pathology Journal Vol.28 No.2
발행연도
2012.6
수록면
197 - 201 (5page)

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Potyviruses express their RNA genomes through the production of polyproteins that are processed in host cells by three virus-encoded proteases. Soybean plants produce large amounts of protease inhibitors during seed development and in response to wounding that could affect the activities of these proteases. The in vitro activities of two of the proteases of Soybean mosaic virus (SMV) and Tobacco vein mottling virus (TVMV) were compared in the rabbit reticulocyte lysate in vitro translation system using synthetic RNA transcripts. Transcripts produced from SMV and TVMV cDNAs that included the P1 and helper component-protease (HCPro) coding regions directed synthesis of protein products that were only partially processed. Unprocessed polyproteins were not detected from transcripts that included all of the P1, HC-Pro, P3 and portions of the cylindrical inclusion protein coding regions of either virus. Addition of soybean trypsin inhibitor to in vitro translation reactions increased the accumulation of the unprocessed polyprotein from TVMV transcripts, but did not alter the patterns of proteins produced from SMV. These experiments suggest that SMV- and TVMVencoded proteases are differentially sensitive to protease inhibitors.

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UCI(KEPA) : I410-ECN-0101-2013-481-003203747