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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.26, no.2, 2008³â, pp.102-108
Tin-free ¹æ¿ÀÁ¦ÀÎ Sea-Nine 211¿¡ ³ëÃâµÈ ºÏ¹æ´ëÇÕ¿¡¼­ MFO È¿¼Ò°èÀÇ ¹ÝÀÀ
( Responses of MFO System in Surf Clam, Pseudocardium sachalinensis, Injected with Sea-Nine 211 Antifoulant )
ÀÌÁö¼±;Àü¿µÇÏ;½É¿øÁØ;ÀüÁß±Õ; °­¸ª´ëÇб³ ÇØ¾ç»ý¸í°øÇкÎ.µ¿ÇؾÈÇØ¾ç»ý¹°ÀÚ¿ø¿¬±¸¼¾ÅÍ(EMBRC);°­¿øµµ ȯµ¿ÇØÃâÀå¼Ò;Çѱ¹Çؾ翬±¸¿ø ³²ÇØ¿¬±¸¼Ò;°­¸ª´ëÇб³ ÇØ¾ç»ý¸í°øÇкÎ.µ¿ÇؾÈÇØ¾ç»ý¹°ÀÚ¿ø¿¬±¸¼¾ÅÍ(EMBRC);
 
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¹æ¿Àµµ·á·Î ¸¹ÀÌ ¾²ÀÎ À¯±âÁÖ¼®È­ÇÕ¹°Àº ÀϹݻý¹°¿¡°Ô ¹ÌÄ¡´Â µ¶¼ºÀÌ ¸Å¿ì °­ÇÏ°í ¶ÇÇÑ ³»ºÐºñ°è Àå¾Ö¹°ÁúÀÓÀÌ ¹àÇôÁö¸é¼­ À̸¦ ´ëüÇÒ È­ÇÕ¹°µéÀÇ °³¹ßÀÌ ¿ä±¸µÇ°í ÀÖ´Ù. ±× °¡¿îµ¥ ÀÌ·± ¸ñÀûÀ¸·Î ¸¸µé¾îÁø È­ÇÕ¹°ÀÎ Sea-Nine 211À» »ç¿ëÇÏ¿© À̰ÍÀÌ ÇØ¾ç»ý¹° ƯÈ÷ Àú¼­»ý¹°ÀÎ ÆÐ·ù¿¡°Ô ¾ó¸¶³ª ¿µÇâÀ» ¹ÌÄ¡´ÂÁö¸¦ »ìÆìº¸°íÀÚ ºÏ¹æ´ëÇÕ(P. sachalinensis)¿¡°Ô °­Á¦ ÁÖ»çÇÏ¿© »ýÁ¸À²°ú ÁßÀå¼±ÀÇ ¹ÌÅ©·ÎÁ» Áß I»ó ¾à¹°´ë»çÈ¿¼ÒÀÇ º¯È­¸¦ 4Àϰ°¡Áö Á¶»çÇÏ¿´À¸¸ç, ¶ÇÇÑ ºñ±³¸¦ À§ÇØ tributyltin chloride (TBTC)ÀÇ ÁÖ»ç½ÇÇèÀ» º´ÇàÇÏ¿´´Ù. »ýÁ¸À²¿¡¼­´Â sham±¸³ª Sea-Nine 211 ½ÇÇ豸(5, 25 ¹× 50 mg kg$^{-1}$)¸ðµÎ »ýÁ¸ÇÏ¿´À¸³ª TBTC(1, 2 ¹× 5 mg kg$^{-1}$) ½ÇÇ豸ÀÇ »ýÁ¸À²Àº 4Àϰ¿¡ °¢°¢ 70%, 30% ¹× 0%¿´´Ù. ÇÑÆí, ¾à¹°´ë»çÈ¿¼Ò°è Áß I»óÈ¿¼ÒÀÎ CYP´Â Sea-Nine 211ÁÖ»ç ÈÄ ½Ã°£ÀÌ Áö³ª¸é¼­ À¯µµµÇ¾úÁö¸¸, TBTC´Â ¹Ý´ë·Î ÀúÇØµÇ´Â °æÇâÀ» º¸¿´´Ù. ±×¸®°í P450R Ȱ¼ºÀº Sea-Nine 211 ½ÇÇ豸¿¡¼­ ½Ã°£ °æ°ú¿Í ´õºÒ¾î ¾à°£ Áõ°¡ÇÏ´Â Ãß¼¼¸¦ º¸¿´Áö¸¸ sham±¸¿Í´Â À¯ÀÇÀûÀÎ Â÷À̰¡ ¾ø¾úÀ¸³ª, TBTC½ÇÇ豸´Â ÁÖ»ç³óµµ¿Í ºñ·ÊÇϸ鼭 ÀúÇØµÇ¾ú´Ù. b5RȰ¼ºµµ ¸¶Âù°¡Áö·Î Sea-Nine 211 ½ÇÇ豸´Â Å« º¯È­°¡ ¾ø¾úÀ¸³ª, TBTC½ÇÇè ±¸¿¡¼­´Â À¯ÀÇÀûÀ¸·Î ÀúÇØµÇ´Â °æÇâÀ» °üÂûÇÒ ¼ö°¡ ÀÖ¾ú´Ù. ÀÌó·³ ºñÁÖ¼®°è ¹æ¿Àµµ·á È­ÇÕ¹°ÀÎ Sea-Nine 211Àº ºÏ¹æ´ëÇÕ¿¡ ´ëÇÑ µ¶¼ºÀÌ TBTC¿¡ ºñÇØ Å©°Ô ³·¾ÒÀ¸¸ç, ¾à¹°´ë»çÈ¿¼Ò°è¿¡ ¹ÌÄ¡´Â ¿µÇâµµ TBTC´Â ÀúÇØÇϴµ¥ ¹ÝÇØ¼­ P450RÀ̳ª b5R¿¡´Â º°´Ù¸¥ º¯È­¸¦ ÀÏÀ¸Å°Áö ¾Ê¾ÒÀ¸³ª CYP´Â À¯µµÇÏ¿´´Ù.
Many alternative biocidal additives were applied to antifouling paint to replace TBT, and Sea-Nine 211 is one of alternating organic booster compounds used in antifouling paint. In this study, extent of Sea-Nine 211 toxicity on marine benthic bivalve is evaluated. Sea-Nine 211 was injected to surf clam, Pseudocardium sachalinensis, that inhabitate northern part of Gangwon Province, Korea. Survival rate of the clam and xenobiotics metabolizing enzyme activities in digestive gland were measured during 4 day-exposure period. The results were compared with those of TBT exposed clam. There were no mortality of clam in the solvent (DMSO) control group and the three Sea-Nine 211 exposure groups (5, 25, 50 mg kg$^{-1}$ body weight), while the clam exposed to 1, 2 and 5 mg kg$^{-1}$ TBT chloride (TBTC) demonstrated 70, 30 and 0% survival rate, respectively. The Sea-Nine 211 exposure group showed a tendency of cytochrome P450 (CYP) induction according to the exposure duration, on the other hand, CYP content was decreased in the TBT exposure group. NADPH cytochrome P450 reductase activity slightly increase according to the exposure duration in the Sea-Nine 211 exposure group, while TBTC inhibit its activity as CYP content. Moreover, there was no significant change of NADH cytochrome b5 reductate activity in the clam epxosed to Sea-Nine 211. In the TBTC exposure group, its activity increased in early exposure period and then significantly decreased the rest of exposure period. All the results indicate that Sea-Nine 211 demonstrated a tendency to induce CYP level, while TBTC inhibits the CYP level, NADPH cytochrome P450 reductase and NADH cytochrome b5 reductase activities.
 
Ű¿öµå
Sea-Nine 211;TBTC;clam;Pseudocardium sachalinensis;cytochrome P450;
 
ȯ°æ»ý¹° / v.26, no.2, 2008³â, pp.102-108
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200820258463321)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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