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Çѱ¹»ýÅÂÇÐȸ / v.29, no.3, 2006³â, pp.247-252
¿ï¸ªµµ Èñ±Í.Ư»ê ½Ä¹° ¼¶ÇöÈ£»öÀÇ À¯ÀüÀû ´Ù¾ç¼º°ú ±¸Á¶
( Genetic Diversity and Structure of a Rare and Endemic, Spring Ephemeral Plant Corydalis filistipes Nakai of Ullung Island in Korea )
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¿ï¸ªµµÀÇ Æ¯»ê ½Ä¹°Á¾À¸·Î¼­ Èñ±Í½Ä¹°Á¾À̸ç, Ãá°è ´Ü¸í¼º ½Ä¹°·Î¼­ °³¹Ì¿¡ ÀÇÇØ Á¾ÀÚ »êÆ÷°¡ ÀÌ·ç¾îÁö´Â ¼¶ÇöÈ£»ö(Corydalis filistipes Nakai) 4°³ÀÇ ¾ÆÁý´Ü¿¡ ´ëÇÏ¿© ÇÕ¸®ÀûÀÎ º¸Àü ¹× °ü¸® ´ëÃ¥ ¼ö¸³À» À§ÇÏ¿© 9 °³ÀÇ µ¿À§È¿¼Ò marker¸¦ ÀÌ¿ëÇÏ¿© À¯ÀüÀû ´Ù¾ç¼º°ú ±¸Á¶¸¦ ºÐ¼®ÇÏ¿´´Ù. ±× °á°ú Æò±Õ ´ë¸³ À¯ÀüÀÚÀÇ ¼ö(A)´Â 1.73°³, 95% ¼öÁØ¿¡¼­ ´ÙÇüÀû À¯ÀüÀÚÁÂÀÇ ºñÀ²Àº(P)Àº 61.2%, ÀÌÇüÁ¢ÇÕüÀÇ Æò±Õ °üÃøÄ¡(Ho)´Â 0.201, ±â´ëÄ¡(He)´Â 0.167·Î¼­ ºÐÆ÷¿ªÀÌ ³ÐÀº Ư»ê ½Ä¹° Á¾µé¿¡ ºñÇØ¼­´Â ³·Àº ¼öÁØÀÌÁö¸¸, ¼¶¿¡ °í¸³µÈ À¯»çÇÑ »ýȰ»ç¸¦ °®´Â Ư»ê½Ä¹° Á¾µé¿¡ ºñÇØ¼­´Â ³ôÀº À¯ÀüÀû ´Ù¾çµµ¸¦ À¯ÁöÇϰí Àִµ¥, ±× ÀÌÀ¯´Â ¼ÒÁý´ÜÀ̱â´Â Çϳª ÀûÁ¤¼öÁØÀÇ °³Ã¼¼ö°¡ À¯ÁöµÇ°í ÀÖ°í, Ÿ°¡¼öÁ¤À» ÁÖ·Î ÇÏ¸ç °³¹Ì¿¡ ÀÇÇØ Á¾ÀÚ »êÆ÷°¡ ÀÌ·ç¾îÁ® ÀûÀÀ·ÂÀÌ ³ô°í, ¶ÇÇÑ Æó¼âÈ­¿¡ ÀÇÇÑ À¯ ¹«¼º ¹ø½Ä ü°è¸¦ °âÇϱ⠶§¹®ÀÎ °ÍÀ¸·Î ÆÇ´ÜµÈ´Ù. ±×¸®°í À¯ÀüÀû ±¸Á¶ºÐ¼® °á°ú ¾ÆÁý´Ü³»($F_{IS}$)¿Í Àüü ¾ÆÁý´Ü($F_{IT}$)ÀÇ ±ÙÄ£±³ ¹è°è¼ö°¡ °¢°¢ -0.1889 ¿Í -0.1226·Î¼­ H-WÀÇ ÆòÇü±¸Á¶¿¡ ºñÇØ ÀÌÇüÁ¢ÇÕÀÚÀÇ ºóµµ°¡ ³ô¾ÒÀ¸¸ç, ¾ÆÁý´Ü°£ À¯ÀüÀû ºÐÈ­µµ´Â ¸Å¿ì ³·Àº($F_{ST}=0.0557$)°á°ú¸¦ º¸¿´´Ù. ±×¸®°í ¿ì¸®³ª¶ó Èñ±Í ¹× Ư»ê ½Ä¹°Á¾ÀÎ ¼¶ÇöÈ£»öÀÇ À¯ÀüÀû º¯ÀÌÀÇ À¯Áö ±âÀÛ°ú ÇÕ¸®ÀûÀÎ º¸Àü°ú °ü¸® ´ëÃ¥À» ³íÀÇÇÏ¿´´Ù.
For the spring ephemeral and myrmecochorous perennia, Corydalis filistipes Nakai (Fumariaceae), rare and narrow endemic to Ullung Island in Korea, genetic diversity and structure of 4 subpopulations of the species were investigated with allozyme markers. Levels of genetic diversity (A=1.73, $P_{95%}$=61..2%, Ho=0.201, He=0.167) were relatively lower than those of other endemic species with widespread distribution range, but considerably higher than other endemic species with similar life history traits isolated in island. The moderate level of genetic diversity within subpopulations in C. filistipes is characteristic of the species with predominantly outcrossing, myrmecochorous seed dispersal by dual function of the elaisome and mode of sexual and asexual reproduction by the cleistogamy. The analysis of fixation indices showed an overall excess of heterozygotes (mean $F_{IS}=-0.1889,;F_{IT}=-0.1226$) relative to H-W expectations. About 5.6% of the total genetic variation was found among subpopulations ($F_{ST}$=0.0557). The strategies of reasonable conservation and management, and the maintenance mechanism of genetic diversity of Corydalis filistipes Nakai, endemic plant species in Korea were discussed
 
Ű¿öµå
Allozyme;Corydalis filistipes;Endemic plant species;Genetic structure;Genetic variation;Myrmecochory;Spring ephemeral;Ullung Island;
 
Journal of Ecology and Field Biology / v.29, no.3, 2006³â, pp.247-252
Çѱ¹»ýÅÂÇÐȸ
ISSN : 1975-020X
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200633242275795)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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