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Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ / v.17, no.3, 2004³â, pp.227-238
AFLP¿Í RAPD ¹æ¹ýÀ» ÀÌ¿ëÇÑ ²¿¸®Áø´Þ·¡(Rhododendron micranthum) ¼öÁýÁ¾ÀÇ À¯ÀüÀû º¯ÀÌ ºÐ¼®
( Genetic Variation of Rhododendron micranthum Based on AFLP and RAPD Analysis )
±è³²¼ö;±èÁøÈ«;ÀÌÁÖ°æ;±è³²Èñ;À̸í¼÷;ÀÌÀç¼±;¹Úöȣ; °­¿ø´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ »ý¸í°øÇкÎ;°­¿ø´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ »ý¸í°øÇкÎ;°­¿ø´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ »ý¸í°øÇкÎ;°­¿ø´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ »ý¸í°øÇкÎ;°­¿ø´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ »ý¸í°øÇкÎ;°­¿ø´ëÇб³ »ê¸²°úÇдëÇÐ »ê¸²ÀÚ¿øÇкÎ;°­¿ø´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ »ý¸í°øÇкÎ;
 
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º» ¿¬±¸´Â ÀÚ»ý½Ä¹° À¯ÀüÀÚ¿øÀÇ Ã¼°èÀû º¸Á¸ ¹× °ü¸®¸¦ À§ÇÑ À¯ÀüÀÚ¿ø ¼öÁý°ú º¸Á¸ Àü·«¿¡ À¯¿ëÇÑ Á¤º¸¸¦ Á¦°øÇÒ ¸ñÀûÀ¸·Î °­¿ø ¹× °æºÏ Áö¿ª¿¡ ÀÚ»ýÇϰí ÀÖ´Â ²¿¸® Áø´Þ·¡ ÀÇ ¼öÁý °èÅëµé¿¡ ´ëÇÏ¿© ºÐÀÚ¸¶Ä¿¸¦ ÀÌ¿ëÇÑ À¯ÀüÀû ´ÙÇü¼º ¹× À¯¿¬°ü°è ºÐ¼®À» ¼öÇàÇÏ¿´´Ù. RAPDºÐ¼®¿¡ ÀÌ¿ëµÈ 10°³ÀÇ primer¿¡¼­ ÃÑ 48°³ÀÇ band°¡ °üÂûµÇ¾úÀ¸¸ç ÀÌÁß¿¡¼­ 15°³(31.3%)°¡ ´ÙÇüÈ­ band¿´°í, 1°³ÀÇ primer´ç Æò±Õ 1.5°³ÀÇ ´ÙÇüÈ­ band°¡ °üÂûµÇ¾ú´Ù. ¹Ý¸é¿¡ AFLP ºÐ¼®¿¡¼­´Â 4°³ÀÇ primerÁ¶ÇÕÀ¸·ÎºÎÅÍ ÃÑ 62°³ÀÇ band°¡ °üÂûµÇ¾úÀ¸¸ç ÀÌÁß¿¡¼­ 33°³(53.2%)°¡ ´ÙÇüÈ­ band¿´°í, 1°³ÀÇ PrimerÁ¶ÇÕ´ç Æò±Õ 8.3°³ÀÇ ´ÙÇüÈ­ band°¡ °üÂûµÇ¾ú´Ù. RAPD ¹× AFLP bandµéÀ» ÀÌ¿ëÇÑ UPGMA¹æ¹ý¿¡ µû¶ó ÀÛ¼ºµÈ dendrogramÀÛ¼º¿¡¼­´Â À¯ÀüÀû À¯»ç¼º 73.3%¼öÁØ¿¡¼­ Å©°Ô 3°³ÀÇ ±×·ìÀ¸·Î ºÐ¸®µÇ¾ú´Âµ¥, ù ¹øÂ° ±×·ì¿¡´Â °­¿øµµ ¹× °æºÏÁö¿ª¿¡¼­ ¼öÁýµÈ ´ëºÎºÐÀÇ °èÅëµéÀÌ, µÎ ¹øÂ° ±×·ì¿¡´Â lIII¹ø Áö¿ª¿¡¼­ ¼öÁýµÈ 7°èÅë ¸ðµÎ°¡ Æ÷ÇԵǾî ÀÖ¾ú°í ±×¸®°í ¼¼ ¹øÂ° ±×·ì¿¡´Â °æºÏ ºÀÈ­¿¡¼­ ¼öÁýµÈ IVÁö¿ªÀÇ °èÅëµé Áß 2°èÅë(35, 36)ÀÌ °¢°¢ Æ÷ÇԵǾú´Ù. µû¶ó¼­III¹ø Áö¿ª°ú IV¹ø Áö¿ªÀÇ ÀϺΠ°èÅëµéÀ» Á¦¿ÜÇϸé DNA ¼öÁØ¿¡¼­ ²¿¸® Áø´Þ·¡ ´ëºÎºÐÀÇ °èÅëµéÀº ¼öÁý Áö¿ª¿¡ µû¸¥ À¯ÀüÀû À¯¿¬ °ü°è¸¦ ¸íÈ®È÷ ³ªÅ¸³»Áö ¸øÇÏ¿´´Ù. RAPD¹× AFLPºÐ¼® °á°ú¸¦ ±âÃÊ·Î ÇÑ ¼öÁýµÈ Áý´Üµé »çÀÌ¿¡¼­ÀÇ ´ÙÇü¼º ºóµµ´Â IIÁö¿ª°ú IVÁö¿ªÀÇ °èÅëµé¿¡¼­ °¢°¢ 45%·Î °¡Àå ³ô°Ô °üÂûµÇ¾ú°í, ¹Ý¸é¿¡ ¥µÁö¿ªÀÇ °èÅëµéÀÌ 33%·Î °¡Àå ³·°Ô °üÂûµÇ¾ú´Ù. ±×¸®°í Áý´Üµé »çÀÌ¿¡¼­ÀÇ À¯ÀüÀû À¯»ç¼ºÀº ¥µÁö¿ªÀÇ °èÅëµéÀÌ Æò±Õ 0.87·Î °¡Àå ³ô°Ô ³ªÅ¸³µ°í, ¹Ý¸é¿¡ IÁö¿ªÀÇ °èÅëµéÀº Æò±Õ 0.78À» ³ªÅ¸³»¾î °¡Àå ³·°Ô ³ªÅ¸³µ´Ù. º» ¿¬±¸ÀÇ °á°ú¿¡ ÀÇÇϸé, ºñ·Ï III¹ø Áö¿ª°ú IV¹ø Áö¿ª¿¡¼­ ¼öÁýµÈ ÀϺΠ°èÅëµéÀº ´Ù¸¥ Áö¿ª¿¡¼­ ¼öÁýµÈ ´ëºÎºÐÀÇ °èÅëµé°ú´Â À¯ÀüÀûÀ¸·Î ¸íÈ®ÇÏ°Ô ±¸º°µÇ¾úÁö¸¸, ¼öÁý Áö¿ªÀÇ Áý´Üµé »çÀÌ¿¡¼­ÀÇ À¯ÀüÀû ´Ù¾ç¼ºÀº ÇöÀúÇÑ Â÷À̸¦ ³ªÅ¸³»Áö ¸øÇÏ¿´À¸¹Ç·Î, ²¿¸®Áø´Þ·¡ÀÇ ÇöÁö¿Ü º¸Á¸À» ÅëÇÑ À¯ÀüÀÚ¿ø º¸Á¸¿ø Á¶¼ºÀ» È¿À²ÀûÀ¸·Î ¼öÇàÇϱâ À§Çؼ­´Â À¯ÀüÀÚ¿ø ¼öÁýÀº III¹ø Áö¿ª°ú IV¹ø Áö¿ªÀ» Áß½ÉÀ¸·Î °¢ Áö¿ªº°·Î ±ÕµîÇÏ°í °¡±ÞÀû ±¤¹üÀ§ÇÏ°Ô ¼öÁýÇÏ´Â °ÍÀÌ °¡Àå È¿°úÀûÀÏ °ÍÀ¸·Î ÆÇ´ÜµÇ¾ú´Ù.
Rhododendron micranthum is an endangered species in Korea. In order to develop the strategy of gene diversity conservation, estimation of the amount of genetic diversity, the genetic variation and relationship in the native populations of Rh. micranthum was performed on the basis of AFLP and RAPD analysis. Analysis of 56 accessions derived from 6 populations of Rh. micranthum with four AFLP primer combinations and ten RAPD primers detected a total of 33 polymorphic AFLP fragments and 15 polymorphic RAPD fragments, respectively. By UPGMA cluster analysis with molecular markers, the 56 accessions were grouped into three major clusters at 73.3% genetic similarity; group I consists of most accessions of populations I, II, IV, V and ¥µ, group II consists of 7 accessions of population III, and group III consists of only two accessions of population IV. The geographic locations of the most accessions derived from six populations were not related to their position in the UPGMA cluster analysis, except for several accessions of populations III and IV. The genetic similarity of among six populations measured by AFLP and RAPD markers ranged from 0.66 to 0.99. Among them, population ¥µ showed the highest GS with means of 0.87, while population I showed the lowest GS with means of 0.78. This result will be useful for designing the strategy of conservation in the native populations of Rh. micranthum.
 
Ű¿öµå
AFLP;genetic relationship;genetic variation;RAPD;Rhododendron micranthum;
 
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸÁö / v.17, no.3, 2004³â, pp.227-238
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ
ISSN : 1226-3591
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200411922971476)
¾ð¾î : Çѱ¹¾î
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