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Çѱ¹½Ä¹°ÇÐȸ / v.38, no.2, 1995³â, pp.203-209
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ÇüÁúÀüȯµÈ ´ã¹è¿¡¼ ÇØ³àÄá Leghemoglobin cDNAÀÇ ¹ßÇö
( Expression of Canavalia Iineata Leghemoglobin cDNA in Transgenic Nicotiana tabacum ) |
| À̼±¿µ; ¼¿ï´ëÇб³ ÀÚ¿¬°úÇдëÇÐ »ý¹°Çаú;
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| ´ã¹è(Nicotiana tobacum L. cv. Wisconsine 38) ÀÙ ÀýÆíÀ» ÇØ³àÄá(Canavalia lineata)ÀÇ leghemoglobin(Lb) cDNA¸¦ Æ÷ÇÔÇÏ´Â Agrobacterium°ú ÇÔ²² ¹è¾çÇÑ ÈÄ, 0.5mg/L BAP, 0.1mg/L ${alpha}-NAA$¿Í 200mg/L kanamycin, 500 mg/L carbenicillinÀ» Æ÷ÇÔÇÏ´Â MS ¹èÁö¿¡¼ ¼±º°ÇÏ¿© 7°³ÀÇ ÀçºÐÈ °³Ã¼¸¦ ¾ò¾ú´Ù. À̷κÎÅÍ ºÐ¸®ÇÑ °Ô³ð DNA¿¡ ´ëÇÑ Southern È¥¼ºÈ ¹ÝÀÀ°ú PCR °á°ú·Î Lb cDNA°¡ ´ã¹èÀÇ °Ô³ð¿¡ »ðÀԵǾúÀ½À» È®ÀÎÇÏ¿´´Ù. ÇüÁúÀüȯµÈ ´ã¹è·ÎºÎÅÍ ºÐ¸®ÇÑ RNA¿¡ ´ëÇÑ northern È¥¼ºÈ¯ ½ÇÇè °á°ú ¾à 1,000 ntÀÇ RNA°¡ È¥¼ºÈ ¹ÝÀÀÀ» º¸¿´À¸¸ç, ÃÑ RNA¸¦ ÁÖÇüÀ¸·Î ÇÕ¼ºÇÑ 1Â÷ °¡´ÚÀÇ cDNA¸¦ PCR·Î ÁõÆøÇÑ °á°ú, Lb cDNA¿Í È¥¼ºÈ ¹ÝÀÀÀ» º¸ÀÌ´Â 0.5 kbÀÇ DNA°¡ ÁõÆøµÇ¾ú´Ù. ÄáÀÇ Lb¿¡ ´ëÇÑ ´Ù±ºÇ×ü(polyclonal antibody)¸¦ »ç¿ëÇÏ¿© ´Ü¹éÁú ¸é¿ª Ç×ü ¹ÝÀÀÀ» ½Ç½ÃÇÑ °á°ú, Lb·Î ÆÇ´ÜµÇ´Â ¾à 15.8 kDÀÇ À§Ä¡¿¡¼ È¥¼ºÈ ¹ÝÀÀÀÌ ³ªÅ¸³µ´Ù. ÀÌ»óÀÇ °á°ú·Î ÇØ³àÄá Lb cDNA°¡ ÇüÁúÀüȯµÈ ´ã¹èÀÇ °Ô³ð¿¡ »ðÀԵǾúÀ» »Ó¸¸ ¾Æ´Ï¶ó mRNA·Î Àü»çµÇ¾î Lb ´Ü¹éÁú·Î ÇØµ¶µÇ¾úÀ½À» ¾Ë ¼ö ÀÖ¾ú´Ù. |
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| Tobacco (Nicotiana tahacum L. cv. Wisconsin 38) leaf discs were cocultivated with Agrohacterium carrying a leghemoglobin (Lb) cDNA from Canavalia lineata. Seven plants were regenerated from the transformed leaf discs on MS media supplemented with 0.5 mg/L BAP, 0.1 mg/L ${alpha}-NAA$, 200 mg/L kanamycin and 500 mg/L carbenicillin. Southern hybridization and PCR of genomic DNA from transgenic plants showed that the Lb cDNA was stably integrated into the genome of the tobacco. Total RNA from the transgenic tobacco showed northern hybridization signal at 1,000 nt and PCR of the first strand cDNA synthesized from the total RNA amplified 0.5 kb Lb cDNA. Furthermore, western hybridization using a polyclonal antibody against soybean Lb showed a 15.8 kD LB-like band on SDS-PAGE of proteins from the transformed tobacco. These results demonstrated that the Lb cDNA of C. lineata was not only incorporated into the genome of tobacco, but also transcribed into mRNA and translated into Lb protein in the transformed tabacco. |
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| ÇØ³àÄá Lb cDNA;´ã¹è ÇüÁúÀüȯ;Southern ¹× northern È¥¼ºÈ ¹ÝÀÀ;¸é¿ª Ç×ü¹ÝÀÀ;Canavalic lineata Lb cDNA;tobacco transformation;PCR;Southem and nor-them hybridizaion;Westem hybridization; |
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Journal of Plant Biology / v.38, no.2, 1995³â, pp.203-209
Çѱ¹½Ä¹°ÇÐȸ
ISSN : 1226-9239
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199511920117737)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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