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Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ / v.19, no.5, 2006³â, pp.628-633
ŹéÁ¦ºñ²É±º ITS DNA ¿°±â¼­¿­ ºÐ¼®
( Analysis of ITS DNA Sequences of the Viola albida Complex )
Ȳ¼º¼ö; ÀüºÏ´ëÇб³ °úÇб³À°ÇкÎ;
 
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ŹéÁ¦ºñ²É±º³» ½Ä¹°µéÀº µ¿¼ÒÀûÀ¸·Î »ýÀ°Çϸ鼭 ´Ü¿±¿¡¼­ Àå»óº¹¿±±îÁö ¿¬¼ÓÀûÀÎ Áß°£ÇüÀ» ³ªÅ¸³»¾î ºÐ·ùÇÐÀû ¾î·Á¿òÀÌ ÀÖ´Ù. º» ¿¬±¸ÀÇ ¸ñÀûÀº ŹéÁ¦ºñ²É, ´ÜdzÁ¦ºñ²É, ³²»êÁ¦ºñ²É ±×¸®°í °¢ ºÐ·ù±º »çÀÌÀÇ Áß°£ÇüÀ» ÀÙÀÇ ÇüÅ¿¡ µû¶ó 5 Áý´ÜÀ¸·Î ±¸ºÐÇÏ°í °¢ Áý´Üº° ´ëÇ¥ÀûÀÎ °³Ã¼¸¦ ¼±º°ÇÏ¿© ITS DNA ¿°±â¼­¿­À» ºÐ¼®ÇÏ°í ºÐ·ùÇÐÀû ¾î·Á¿òÀ» ÇØ°áÇϴµ¥ ÀÖ´Ù. Á¤·ÄµÈ ITS1, ITS2 ±×¸®°í 5.8S Áö¿ªÀÇ ¿°±â¼­¿­Àº 702 bp·Î ³ªÅ¸³µ´Ù. 5.8S Áö¿ªÀº 163 bp·Î Á¶»çµÈ ¸ðµç °³Ã¼¿¡¼­ º¯À̰¡ ¾ø¾úÀ¸¸ç, ITS1°ú ITS2´Â ÀϺΠº¯À̰¡ ÀÖ¾î ºÐ»êºÐ¼®, ¿°±â ¼­¿­ ºÐ±â Á¶»ç ±×¸®°í ºÐ°èºÐ¼®¿¡ ÀÌ¿ëÇÏ¿´´Ù. ºÐ»êºÐ¼® °á°ú Á¶»çµÈ ÀÙ Çüź° °³Ã¼µé °£¿¡ Â÷À̰¡ ¾ø´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ¿°±â¼­¿­ ºÐ±â Á¶»ç °á°ú, ±º¿Ü±ºÀ¸·Î ¼³Á¤ÇÑ ³¬½ÃÁ¦ºñ²É°ú ³ë¶ûÁ¦ºñ²ÉÀÇ °æ¿ì Kimura 2-parameter distance¿¡¼­ Àý´ëÄ¡°¡ 0.05º¸´Ù ÈξÀ ³ô°Ô ³ªÅ¸³ª¼­ ¶Ñ·ÇÇÑ Â÷À̰¡ È®ÀεǾú´Ù. ±×·¯³ª ±º³»±º 5 °³Ã¼´Â Àý´ëÄ¡°¡ ¸ðµÎ ¸Å¿ì ³·°Ô ³ªÅ¸³ª¼­ ¿°±â¼­¿­ ºÐ±â´Â Á¾ ¼öÁØÀÌ ¾Æ´Ñ Á¾ ÀÌÇÏÀÇ ¼öÁØÀ¸·Î ÆÇ´ÜµÇ¾ú´Ù. ºÐ°èºÐ¼®¿¡¼­ ±º¿Ü±ºÀ¸·Î ¼³Á¤ÇÑ 2 Á¾Àº ±âÀú ºÐ°èÁ¶¸¦ Çü¼ºÇÏ¿´´Ù. ±º³»±ºÀº ÇϳªÀÇ ºÐ°èÁ¶¸¦ Çü¼ºÇÏ¿´Áö¸¸, ºÎÆ®½ºÆ®·¦ÀÌ 50% ÀÌÇÏ·Î ³ªÅ¸³ª °èÅëÇÐÀû Àǹ̴ ÀûÀº °ÍÀ¸·Î »ç·áµÈ´Ù.
ITS DNA sequences from five individuals, representative of five groups designated according to the degree of leaf teeth and lobes from simple to palmate compound leaf in the Viola albida complex, established and further analysed in order to solve the taxonomic difficulty. A total 702 bp was sequenced at the 5.8S ribosomal DNA and internal transcribed spacer 1 and 2. The 5.8S coding region is 163 bp, and has no sequence variations. The ITS1 and ITS2 noncoding regions have a little bit sequence variations, and those were further analysed by the methods of the analysis of variance (ANOVA), the analysis of sequence divergence and the phylogenetic analysis. The result of ANOVA showed no significant differences among individuals investigated. The analysis of sequence divergence with Kimura 2-parameter distance revealed that in-groups showed much less than 0.05 in absolute value among individuals, while two out groups more than 0.05, V. grypoceras and V. orientalis. This result appeared that the sequence divergence among in-groups was not yet occurred in the species level but situated at somewhere below the species level. In the phylogenetic analysis, two outgroups formed the basal clades in order. Five individuals in-groups formed a clade. The clade was, however, not very robust as around 50% in bootstrap value, suggesting that this result was not meaningful in the phylogenetic point of views.
 
Ű¿öµå
TS DNA sequences;The Viola albida complex;
 
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸÁö / v.19, no.5, 2006³â, pp.628-633
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ
ISSN : 1226-3591
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200603043152402)
¾ð¾î : Çѱ¹¾î
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