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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.26, no.4, 2008³â, pp.349-354
¹éµÎ»ê ÀÚ»ýÂüµ¹²ÉÀÇ »ýÀ°°ú ÀÌ¿ë II. À¯½Ä¹°ÀÇ ºÎÀ§º° superoxide dismutase Ȱ¼º
( Growth and Utility of Rhodiola sachalinensis in Baekdu Mountain II. Activities of Superoxide Dismutase in Portions of the Seedlings )
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Âüµ¹²É À¯½Ä¹°¿¡¼­ ÁÙ±â¿Í »Ñ¸®ÀÇ ºÎÀ§º°·Î ³ªÅ¸³ª´Â superoxide dismutase(SOD)ÀÇ È°¼º°ú ȯ°æ ½ºÆ®·¹½º ¶Ç´Â Ç×»êÈ­ºÐÀÚ Ã³¸®¿¡ µû¸¥ SODȰ¼ºµµ¸¦ Á¶»çÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù. SODÀÇ È°¼ºÀº Áٱ⺸´Ù´Â »Ñ¸®¿¡¼­ ³ô¾Ò°í °¢ ±âºÎº¸´Ù´Â ¼±´ÜºÎ¿¡ À̸¦¼ö·Ï ³ô¾ÒÀ¸¸ç ÀÌ·¯ÇÑ Çö»óÀº À¯½Ä¹° »ýÀ°ÀÇ Ãʱ⺸´Ù Èı⿡ ´õ »ó½ÂµÈ °á°ú¸¦ ³ªÅ¸³»°í ÀÖ´Ù. ¶ÇÇÑ È¯°æ ½ºÆ®·¹½º¿¡ ´ëÇÑ SODÀÇ È°¼ºµµ´Â À¯½ÄÀ» Ãʱâ»ýÀ° »óÅ¿¡¼­´Â NaCl¶Ç´Â cadmium(Cd) µî À¯Çع°Áú ó¸® ÈÄ 10 ¹× 30% Á¤µµ ÀúÇØ¸¦ ¹Þ°í ÀÖÀ¸³ª »ýÀ° Èı⿡ À̸¦¼ö·Ï ó¸®µÈ À¯ÇØÀÎÀÚ¿¡ ÀÇÇÑ »êÈ­Àû ½ºÆ®·¹½º¿¡ ´ëÇÏ¿© À¯½Ä¹°Àº ÀÚüÀÇ SOD Ȱ¼º ¼öÁØÀÌ »óÇâµÇ´Â ¹æ¾î´É·ÂÀ» º¸¿´À¸¸ç ÀÌ·¯ÇÑ Çö»óÀº »Ñ¸®¿¡¼­ ´õ¿í ÇöÀúÇÏ¿´´Ù. SOD Ȱ¼ºµµ¸¦ ³ôÀ̱â À§ÇØ Ç×»êÈ­¹°Áú·Î ascorbic acid¸¦ ó¸®ÇÑ À¯½Ä¹°Àº »ýÀ° ÈÄ ÃÖ°í 46%±îÁö ³ô¾ÆÁüÀ» º¸¿´À¸³ª µ¿½Ã±âÀÇ ½ºÆ®·¹½º ¹°Áú·Î ÷°¡ÇÑ cadmium 󸮱¸¿¡¼­ ³ªÅ¸³­ SOD Ȱ¼ºµµ¿¡ ºñÇÏ¿© À¯ÀÇÇÒ¸¸ÇÑ »ó½ÂÈ¿°úÀÇ Â÷À̸¦ º¸ÀÌÁö´Â ¾Ê¾Ò´Ù. ÀÌ·¯ÇÑ °á°ú´Â Âüµ¹²É À¯½Ä¹° ƯÈ÷ »Ñ¸®ºÎÀ§´Â Ç×»êÈ­ ±âÁúÀÇ Ã³¸® ¾øÀ̵µ À¯ÇØÇÑ È¯°æ ÀÎÀÚ¿¡ ³ëÃâµÇ¸é ÀÚüÀÇ ¹æ¾î ¼ö´ÜÀ¸·Î SOD »ý¼ºÀÌ È°¹ßÈ÷ ÁøÇàµÇ°í ÀÖÀ½À» ½Ã»çÇÏ¿´´Ù.
Superoxide dismutase (SOD) activities were investigated from the portions of shoots and roots in accordance with developmental stage and in response to environmental stress and antioxidants using Rhodiola-seedlings. The rates of SOD activities were revealed highly at the portion of roots and its tip of seedlings in the latter stages rather than the initial stages. SOD activities of seedlings in the initial stages treated with sodium chloride and cadmium as environmental stressors showed the decrease by 15 and 30% with respect to the control, respectively. However, in spite of stressor-treatments, the activities in the roots were increased according to the growth period showing a maximum rate of up to 45%. Also, SOD activities of the seedling treated with ascorbic acid as a antioxidant were increased by 46% of control value, but this was similar to the rate revealed in the presence of stressors. These results suggest that SOD activities in Rhodiola-seedlings may be related with the important defence-system against injurious environments.
 
Ű¿öµå
superoxide dismutase;Rhodiola-seedlings;environmental stressor;antioxidant;
 
ȯ°æ»ý¹° / v.26, no.4, 2008³â, pp.349-354
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200820258463203)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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