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Molecular characterization of vegetative incompatibility genes that restrict hyp

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CEFP °ü¸®ÀÚ (mewin007@snu.ac.kr)

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2012-07-27 13:33:16

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Choi GH, Dawe AL, Churbanov A, Smith ML, Milgroom MG, Nuss DL. (2012) Molecular characterization of vegetative incompatibility genes that restrict hypovirus transmission in the chestnut blight fungus Cryphonectria parasitica. Genetics 190:113-127


: Vegetative incompatibility¿Í °°Àº genetic nonself recognition systemÀº À¯ÀüÀûÀ¸·Î °°Áö ¾ÊÀº °¢°¢ÀÇ ±Õ»ç »çÀÌ¿¡¼­ ÀϾ´Â hyphal fusionÀ» Á¶ÀýÇÏ°í º´¿ø¼º °õÆÎÀ̵éÀ» »ý¹°ÇÐÀûÀ¸·Î ¹æÁ¦ ÇÒ ¼ö ÀÖ´Â °¡´É¼ºÀ» Áö´Ñ °õÆÎÀÌÀÇ º´¿ø¼ºÀ» ¾àÈ­½ÃÅ°´Â mycovirusµéÀÇ È®»êÀ» ¾ïÁ¦Çϱâ À§ÇÑ ´Ù¼öÀÇ »ç»ó¼º °õÆÎÀÌ¿¡¼­ ÀϾ´Â Çö»óÀÌ´Ù. ÀÌ ³í¹®¿¡¼­´Â ¹ã³ª¹« µ¿°íº´À» ÀÏÀ¸Å°´Â Cryphonectria parasiticaÀÇ 4°³ÀÇvegetative incompatibility (vic) loci¿Í ¿¬°üµÈ 7°³ÀÇ ´ÙÇü¼º(polymorphic) À¯ÀüÀÚ È帱ºµéÀ» ºñ±³À¯ÀüüÇÐ Á¢±Ù¹ýÀ» ÀÌ¿ëÇÏ¿© Á¶»çÇØ º¸°íÇÏ¿´´Ù. Èĺ¸alleles(vic2, vic6, vic7)À» »èÁ¦ÇÑ ÇüÁúÀüȯü¸¦ ºÐ¼®ÇÑ °á°ú ¹ÙÀÌ·¯½ºÀÇ transmissionÀÌ Áõ°¡ÇßÀ¸¸ç, ÀÌ¿¡¹ÝÇØ mycelial incompatibility¿Í ¿¬°üµÈ barrageÇü¼ºÀ» ¹æÁöÇÏÁö´Â ¸øÇß´Ù. ¶ÇÇÑ vic6 locus¸¦ ´õ ÀÚ¼¼È÷ ºÐ¼®ÇÑ °á°ú ÀÌ°ÍÀÌ ¹ÙÀÌ·¯½º transmission°ú ¿¬°üµÈ barrage Çü¼º, heterokaryonÇü¼º¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ¹ÐÁ¢ÇÏ°Ô ¿¬°üµÈ µÎ °³ÀÇ À¯ÀüÀÚµéÀÇ nonallelic interaction¿¡ °ü·ÃµÇ¾îÀÖ´Ù´Â °ÍÀ» ¹àÇû´Ù. ÀÌ ³í¹®Àº 4°³ÀÇ C. parasitica vic loci¿Í °ü·ÃµÈ À¯ÀüÀÚµéÀÇ ºÐÀÚÀû ±â´ÉÀ» ±Ô¸íÇÏ´Â ÀڷḦ Á¦°øÇÏ¿´À¸¸ç, incompatibility¿Í ¹ÙÀÌ·¯½ºtransmission Á¦ÇÑÀ» À§ÇØ ÀÎ½Ä ÀÎÀÚµéÀÌ ¼­·Î ¾î¶»°Ô »óÈ£ÀÛ¿ëÀ» ÇÏ´ÂÁö¿¡ ´ëÇÑ ÀڷḦ Á¦½ÃÇÏ¿´´Ù.

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