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Çѱ¹½Ä¹°ÇÐȸ / v.34, no.2, 1991³â, pp.101-106
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´ã¹è(Nicotiana glauca Graham) Callus ¹è¾ç½Ã Nicotine »ý¼º¿¡ ¹ÌÄ¡´Â 2,4-D ¹× NAAÀÇ ¿µÇâ
( Effects of 2,4-D and NAA on Nicotine Production during Callus Culture of Nicotiana gluauca Graham ) |
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| ´ã¹è(N. glauca) ÀÙ ÀýÆí À¯·¡ callus ¹è¾ç¿¡ ÀÖ¾î¼ callus »ýÀå ´Ü°è¿¡ µû¶ó nicotine »ý¼º¿¡ ¹ÌÄ¡´Â µÎ °¡Áö auxin (2,4-D¿Í NAA)ÀÇ ¿µÇâÀ» HPLC¸¦ ÀÌ¿ëÇÏ¿© Á¶»çÇÏ¿´´Ù. °í³óµµ($11.5;mu extrm{M}$)ÀÇ 2,4-D´Â ¹è¾ç 4ÁÖ°¿¡, NAA´Â ¹è¾ç 2ÁÖ°¿¡ nicotine »ý¼ºÀ» ÃËÁø½ÃÄÑ ÃÖ´ëÇÔ·®À» ³ªÅ¸³»¾ú°í, ±× ÀÌÈķδ °¨¼ÒÇÏ¿´´Ù. »õ¼ºµÈ nicotineÀÌ ´Ù¸¥ alkaloid·Î ÀüȯµÇ¾ú´Ù. ÇÑÆí, Àü±¸¹°Áú·Î ¾Ë·ÁÁø L-arginine ¶Ç´Â L-aspartic acid ÷°¡¹è¾ç¿¡¼ Àú³óµµ($1.5;mu extrm{M}$)ÀÇ 2,4-D´Â °í³óµµ¿¡ ºñÇØ nicotine »ý¼ºÀ» ÃËÁø½ÃÄ×°í, Àú³óµµÀÇ NAA´Â °í³óµµ¿¡ ºñÇØ ¾ïÁ¦½ÃÄ×´Ù. ±×·¯³ª L-aspartic acid ÷°¡¹è¾ç¿¡¼ Àú³óµµÀÇ NAA´Â ¹è¾ç 5ÁÖ±îÁö nicotine »ý¼ºÀ» ÃËÁø½ÃÄ×´Ù. ÀÌ¿Í °°Àº °á°ú·ÎºÎÅÍ µÎ °¡Áö auxinÀº nicotine »ý¼º¿¡ ´ëÇØ È¿°ú°¡ ´Ù¸£¸ç, L-aspartic acid°¡ nicotine »ýÇÕ¼ºÀÇ Àü±¸¹°Áú·Î¼, Àú³óµµÀÇ NAA´Â ÀÌ ÇÕ¼º°æ·Î¿¡ ÀÛ¿ëÇÏ¿© nicotine »ý¼ºÀ» À¯µµÇÏ¿´À½À» Ãß·ÐÇÒ ¼ö ÀÖ¾ú´Ù. |
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| Effects of two auxins, 2,4-dichlorophenoxyacetic acid (2,4-D) and a-napthaleneacetic acid (NAA) on nicotine production during callus culture of a wild tobacco (Nicotiana glauca) were investigated using a high performance liquid chromatography (HPLC). The high concentration ($11.5;mu extrm{M}$)of 2,4-D and NAA had peaks of nicotine contents at 4th and 2nd week, respectively. Thereafter, the concents decreased and the nicotine was metabolized to other alkaloids. The low concentration ($1.5;mu extrm{M}$) of 2,4-D on the medium supplemented with 0.1 mM of L-aspartic acid or L-arginine inhibited nicotine production. However, the low NAA promoted it only when the medium was supplemented with L-aspartic acid. From these results, it could be concluded that both auxins exhibit different action mechanisms on nicotine production pathway and the low NAA promotes the activities for the pathway with L-aspartic acid as a precursor.cursor. |
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Journal of Plant Biology / v.34, no.2, 1991³â, pp.101-106
Çѱ¹½Ä¹°ÇÐȸ
ISSN : 1226-9239
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199111920115561)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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