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Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ / v.18, no.1, 2005³â, pp.15-21
¿°·ù³»¼º°ü·Ã À¯ÀüÀÚ Betaine Aldehyde Dehydrogenase GeneÀÇ Àλï ü¼¼Æ÷ ¹è¹ß»ýÀ» ÅëÇÑ ÇüÁúÀüȯ
( Ginseng Transformation of Betaine Aldehyde Dehydrogenase Gene Relative Salt Resistant through Somatic Embryogenesis )
À±¿µ»ó;¹èâÈÞ;¼Û¿ø¼·;À±ÀçÈ£;¾ç´öÃá; °øÁÖ´ëÇб³ ½Ä¹°ÀÚ¿øÇаú;¼øÃµ´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ;¼øÃµ´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ;±¸·Ê¾ß»ýÈ­ ¿¬±¸¼Ò;°æÈñ´ëÇб³ »ý¸í°úÇкÎ;
 
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¿°·ù³»¼º ½Ä¹°Àº ¿°·ù³óµµÀÇ º¯È­¿¡ µû¶ó ¼¼Æ÷³»ÀÇ »ïÅõ¾ÐÀ» À¯ÁöÇϱâ À§ÇÑ È­ÇÕ¹°À» ÇÕ¼ºÇÏ´Â ±âÀÛÀ» °¡Áö°í Àִµ¥ ÀÌ·± È­ÇÕ¹°Àº ÁÖ·Î proline, glycine, betaine, polyols, sugarµîÀ¸·Î ü³»¿¡ ÃàÀûÇÔÀ¸·Î¼­ °í³óµµÀÇ ¿°·ù¿¡ °ßµð´Â °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖ´Ù. BetaineÀº ¹Ì»ý¹°¿¡¼­ 2´Ü°è ¹ÝÀÀÀ» ÅëÇØ choline¿¡¼­ ÇÕ¼ºµÇ´Âµ¥, ù´Ü°è´Â choline dehydrogenase (CDH)¿¡ ÀÇÇØ¼­ Ã˸ŵǰí(Bet A gene), bet B À¯ÀüÀÚÀÇ »ê¹°ÀÎ betaine aldehyde dehydrogenase(BADH)¿¡ ÀÇÇØ ¼öÇàµÈ´Ù. º» ½ÇÇè¿¡¼­´Â Bet A, Bet B À¯ÀüÀÚ¸¦ ¾Æ±×·Î¹ÚÅ׸®¿ò¿¡ µµÀÔÇÏ¿© »õ·Î¿î conjugants 2 Á¾À» ȹµæÇÏ¿´À¸¸ç (Agrobacterium tumefaciens MP90/pBet A, Agrobacterium tumefaciens MP90/pBet B), ¸ÕÀú ÀçÁ¶ÇÕµÈ binary vector°¡ ½Ä¹°¿¡¼­ ¹ßÇö ¹× ÇüÁú ÀüȯµÇ´ÂÁö ¿©ºÎ¸¦ Á¶»çÇϱâ À§Çؼ­ ÀÌ¹Ì ´ã¹è¿¡ ÇüÁúÀüȯÀ» ½ÃÄ×À¸¸ç, ÇüÁúÀüȯµÈ ´ã¹è¿¡¼­´Â ,°í³óµµÀÇ kanamycin¹èÁö¿¡¼­ »ýÀåÀÌ °¡´ÉÇÏ¿´°í, PCR¿¡ ÀÇÇÏ¿© NPT II, Bet A, Bet B gene¸¦ Á¶»çÇÑ °á°ú ´ã¹è À¯½Ä¹°Ã¼ ¸ðµÎ band°¡ Çü¼ºµÇ¾î ÇüÁúÀüȯüÀÓÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù. Àλ£ Beth, BetB geneÀÇ µµÀÔÀº 1MÀÇ mannitolÀÌ ÇÔÀ¯µÈ ½Ä¹°È£¸£¸ó ¹«Ã·°¡ MS ¹èÁö¿¡¼­ ´ÜÀÏ¹è ¹ß»ý¹æ¹ý¿¡ ÇüÁúÀüȯü¸¦ ȹµæÇÏ¿´À¸³ª, ÇüÁúÀüȯüÀÇ ¹ß»ýºóµµ$(12%)$°¡ ¸Å¿ì ³·¾Ò´Ù.
Korean ginseng(Panax ginseng C.A. Meyer) is very difficult to obtain stable production of qualified ginseng roots because of variable stresses in soil environments. In transformation of ginseng with betain aldehyde dehydrogenase gene, compounds synthesized for controlling osmotic pressure such as proline, glycine, betaine, polyols and sugar were accumulated in cell for salt resistance in transgenic plants. 2 Agrobactgerium conjugants were acquired with bet A and bet B genes for solt resistant plants. A. tumefaciens MP90/pBetA and A. tumefaciens MP90/pBetB were recombined for increasing the tolerance to salt stress. To confirm the transformation of the binary vector, tobacco plant was transformed, and the transformant can grow on media containing high concentration of kanamycin. To identify NPT 11, BetA and BetB genes of the transformants, the band on the agarose was confirmed by PCR and RT-PCR techniques. The transformants of ginseng with bet A and bet B genes were acquired on the phytohormone free basic MS media containing only antibiotics and 1M mannitol used for selection of transgenic plant, but the transfomation efficiency for BetA and BetB was very low.
 
Ű¿öµå
Bet A;Bet B;mannitol;Embryo culture;Panax ginseng;salt resistance;
 
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸÁö / v.18, no.1, 2005³â, pp.15-21
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ
ISSN : 1226-3591
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200502612641861)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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