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The mycovirus CHV1 disrupts secretion of a developmentally regulated protein in

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CEFP °ü¸®ÀÚ (mewin007@snu.ac.kr)

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2013-05-24 10:07:00

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Kazmierczak P, McCabe P, Turina M, Jacob-Wilk D, and Van Alfen NK. (2012)
The mycovirus CHV1 disrupts secretion of a developmentally regulated protein in Cryphonectria parasitica. Journal of Virology 86(11):6067-6074


:¹ã³ª¹« Áٱ⸶¸§º´±Õ Cryphonectria parasiticaÀÇ cryphonectria hypovirus 1(CHV1) °¨¿°Àº Àúº´¿ø¼ºÈ­ Çö»ó°ú »ö¼ÒħÂø, Æ÷ÀÚ»ý¼º´É·ÂÀ» °¨¼Ò½ÃŲ´Ù. ºÐÈ­°úÁ¤ Áß¿¡ Á¶ÀýµÇ´Â °õÆÎÀÌÀÇ key À¯ÀüÀÚµéÀÇ transcriptional down regulationÀº ¿µ¾ç ¼ºÀå¿¡´Â ¿µÇâÀ» ¹ÞÁö ¾Ê´Â´Ù. ÀÌÀü ¿¬±¸¿¡¼­´Â CHV1ÀÌ replicationÀ» À§ÇØ Trans Golgi Network(TGN)ÀÇ secretory vesicleÀ» È°¿ëÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. º» ¿¬±¸¿¡¼­´Â C. parasiticaÀÇ ¼¼Æ÷º®¿¡ dzºÎÇÑ ¼Ò¼ö¼º ´Ü¹éÁúÀÎ cryparinÀÌ ¹ÙÀÌ·¯½º °¨¿° ¿©ºÎ¿¡ µû¶ó ºÐºñÀÛ¿ë¿¡ ´ëÇÑ ¿µÇâÀ» Ž»öÇÏ´Â marker·Î½á ¼±ÅõǾú´Ù. Subcellular fractionation, cryparin-green fluorescent protein (GFP) fusion, Western blot analysisÀ» ÅëÇØ cryparinÀ» Æ÷ÇÔÇÏ´Â vesicleÀÌ viral replication complex ¿Í TGN resident endoprotease Kex2 ÀÇ ¼ººÐÀ» Æ÷ÇÔÇÏ´Â ±¸È¹¿¡¼­ copurifyµÇ´Â °ÍÀ¸·Î È®ÀεǾú´Ù. ÀÌ vesicle fractionÀº ¹ÙÀÌ·¯½º¿¡ °¨¿°µÇÁö ¾ÊÀº strain º¸´Ù CHV1¿¡ °¨¿°µÈ strain¿¡¼­ ´õ ³ôÀº ³óµµ·Î ÃàÀûµÈ´Ù. Pulse-chase analysis¸¦ ÅëÇØ CHV1¿¡ °¨¿°µÈ strain¿¡¼­ ºÐºñµÇ´Â cryparinÀÇ ¼Óµµ¿Í ¾çÀÌ °¨¿°µÇÁö ¾ÊÀº strain º¸´Ù ÈξÀ ³·Àº °ÍÀ» ¾Ë ¼ö ÀÖ¾ú°í, labeling ÈÄ ¼¼Æ÷ ³»¿¡ cryparin ü·ù½Ã°£ÀÌ °¨¿°µÇÁö ¾ÊÀº strain º¸´Ù CHV1¿¡ °¨¿°µÈ strainÀÌ »ó´çÈ÷ ´Ã¾î³²À» È®ÀÎÇÏ¿´´Ù. ÀÌ·¯ÇÑ °á°ú´Â ¹ÙÀÌ·¯½º°¡ °õÆÎÀÌ ¼ºÀåÀ» À§ÇÑ Áß¿äÇÑ key ´Ü¹éÁúÀÇ Çü¼ºÀ» ÃÊ·¡Çϴ ƯÁ¤ TGN secretory pathway °ü¿©ÇÑ´Ù´Â °ÍÀ» Á¦½ÃÇÑ´Ù.

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