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Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ / v.19, no.5, 2006³â, pp.634-639
ÀÙ ÀýÆíÀÇ ÀçºÐÈ­¿¡ ÀÇÇÑ Âü¹Ú ÇüÁúÀüȯ
( Transformation of Gourd through Leaf Explant Regeneration )
Á¶¼Û¹Ì;¹®¼±Áø;Á¤¼öÁø;±è¹Ì¼º;±è¿µÃ¶;¾ç±¤¿­;ÃÖ¿ë¼ö;;Á¶¹éÈ£;±è±¤»ó; Àü³²´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ;½Ä¹°º¸È£±â¼ú(ÁÖ);½Ä¹°º¸È£±â¼ú(ÁÖ);Àü³²´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ;Àü³²´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ;Àü³²´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ;Àü³²°úÇдëÇÐ;Á¶¼±´ëÇб³;Àü³²´ëÇб³ ³ó¾÷»ý¸í°úÇдëÇÐ;½Ä¹°º¸È£±â¼ú(ÁÖ);
 
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¼ö¹ÚÀÇ ´ë¸ñÀ¸·Î »ç¿ëµÇ°í ÀÖ´Â Âü¹ÚÀÇ ÀçºÐÈ­Á¶°ÇÀ» È®¸³ÇÔÀ¸·Î¼­ º´ÀúÇ×¼º ÇüÁúÀüȯ ½Ä¹°Ã¼¸¦ ¾ò¾î º¸°íÀÚ º» ½ÇÇèÀ» ½Ç½ÃÇÏ¿´´Ù. Âü¹ÚÀÇ ÀÚ¿±À» Àß¶ó ÀçºÐÈ­¿¡ ¹ÌÄ¡´Â ½Ä¹°»ýÀåÁ¶Àý¹°ÁúÀÇ È¿°ú¸¦ Á¶»çÇÏ¿´°í ¿ÀÀÌ galactinol synthase (CsGolS1) À¯ÀüÀÚ¸¦ Âü¹Ú¿¡ ÇüÁúÀüȯÇÏ¿´´ø °á°ú´Â ´ÙÀ½°ú °°´Ù. Âü¹Ú ½ÅÃÊÀÇ ÀçºÐÈ­´Â 7Àϰ µÈ À¯¹¦ÀÇ ÀÚ¿±ºÎÀ§ Áß Àü¹ÝºÎÀ§¿¡¼­ ±âÀå ³ôÀº È¿À²À» ³ªÅ¸³»¾ú°í, cytokininÀ¸·Î BA³ª zeatinÀ» ´Ü¿ëó¸®ÇÏ´Â °Íº¸´Ù ¿Á½ÅÀ¸·Î IAA¸¦ È¥¿ëó¸®ÇÏ´Â °ÍÀÌ ½ÅÃÊ ºÐÈ­¿¡ ´õ È¿°úÀûÀ̾ú´Ù. º¹ÇÕ½ºÆ®·¹½º ³»¼º À¯ÀüÀÚÀÎ ¿ÀÀÌ CsGolS1À¯ÀüÀÚ¸¦ pBI121 binary vector¿¡ ÀçÁ¶ÇÕÇÏ¿© ¾Æ±×·Î¹ÚÅ׸®¿òÀ» ÀÌ¿ë, Âü¹Ú¿¡ ÇüÁúÀüȯÇÏ¿´´ø °á°ú, ÇüÁúÀüȯü´Â kanamycinÀÌ Ã·°¡µÈ ¹èÁö¿¡¼­ »ýÀåÇÏ¿´°í PCR ¹× Southern blot ºÐ¼®¿¡ ÀÇÇØ À¯½Ä¹°Ã¼ÀÇ 20% Á¤µµ°¡ ÇüÁúÀüȯüÀÓÀ» È®ÀÎÇÒ ¼ö ÀÖ¾ú´Ù.
In order to develop a disease-resistant root stock for the growth of watermelon, an efficient regeneration system of the gourd(Lagenaria leucantha Duch.) inbred line GO701-2 via organogenesis was established in this experiment. Using proximal parts of cotyledon explant excised from germinated seedling in vitro, maximum adventitious shoot formation (39%) was achieved on MS medium where cytokinin (BA) and auxin (IAA) were added at a concentration of 3mg/L and 0.1mg/L, respectively. Roots of the elongated shoots were successfully formed on MS medium without adding any plant growth regulators. The cucumber CsGolS1 gene known as a resistance gene against biotic and abiotic stresses, was constructed into the binary vector pBI121 under the control of CaMV 35S promoter. When the gene was introduced into the genome of gourd by Agrobacterium-mediated transformation, putative transgenic plants were obtained with the transformation efficiency of approximately 20 percent.
 
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Root-stock;Transformation;Watermelon;Regeneration;
 
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸÁö / v.19, no.5, 2006³â, pp.634-639
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ
ISSN : 1226-3591
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200603043153079)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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