SDS-PAGEによるウリ科植物感染性potyvirus3種の精製法の検討
書誌事項
- タイトル別名
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- The use of SDS-polyacrylamide gel electrophoresis to assess purification procedures of three potyviruses infecting cucurbitaceous plants.
- SDS-PAGEによるウリ科植物感染性potyvirus3種の精製法の検討〔英文〕
- SDS-PAGE ニ ヨル ウリカ ショクブツ カンセンセイ potyviru
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We examined the effects of concentration methods, extraction buffers, clarification reagents, and resuspension buffers on virus yield and purity by using SDS-polyacrylamide gel electrophoresis (SDS-PAGE), so as to establish optimal purification procedures of zucchini yellow mosaic virus (ZYMV), watermelon mosaic virus 2 (WMV2), and the watermelon mosaic virus 1 strain of papaya ringspot virus (PRSV-W). We then investigated the physicochemical properties of the three viruses. SDS-PAGE proved very useful to monitor virus purification in a small scale. The three viruses were purified with similar yields of 5-10mg per 100g of infected pumpkin leaves by the respective optimal methods. The procedures basically involved clarification with Triton X-100, differential centrifugation using a 20% sucrose pad, and 20-50% sucrose density gradient centrifugation. From WMV2 and PRSV-W purified preparations, capsid protein (CP) of 34, 000 (34K) was predominantly detected in addition to minor degradation products of 27K to 33K, respectively. A breakdown product of 28K was, however, as detectable as intact CP of 33K from ZYMV purified preparation. The RNAs of WMV2 and PRSV-W, which were a little larger than ZYMV RNA, were indistinguishable in size as evaluated with 1.7% agarose gel electrophoresis in denaturing conditions.
収録刊行物
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- 日本植物病理学会報
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日本植物病理学会報 55 (5), 586-593, 1989
日本植物病理学会
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- CRID
- 1390001206402666112
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- NII論文ID
- 110002748995
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- NII書誌ID
- AN0019269X
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- ISSN
- 18820484
- 00319473
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- NDL書誌ID
- 3656779
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- 本文言語コード
- en
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