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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.40, no.2, 2007³â, pp.294-302
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Àâ½Ä¼º ¹× Çöûũſ ¼·½Ä¾î·ùÀÇ °£Á¢³ëÃâ °µµ°¡ Microcystis aeruginosaÀÇ microcystin ÇÔ·®º¯È¿¡ ¹ÌÄ¡´Â ¿µÇâ
( Changes in Microcystin Production in Microcystis aeruginosa Exposed to Different Concentrations of Filtered Water from Phytoplanktivorous and Omnivorous Fish ) |
| Àå¹ÎÈ£;Á¤Á¾¹®;À±ÁÖ´ö;ÀÌÀ¯Á¤;Çϰæ; ºÎ»ê´ëÇб³ ȯ°æ±â¼ú»ê¾÷°³¹ß¿¬±¸¼Ò;ºÎ»ê½Ã »ó¼öµµ»ç¾÷º»ºÎ ¼öÁú¿¬±¸¼Ò;ºÎ»ê´ëÇб³ »ý¹°Çаú;ºÎ»ê½Ã »ó¼öµµ»ç¾÷º»ºÎ ¼öÁú¿¬±¸¼Ò;ºÎ»ê´ëÇб³ ȯ°æ±â¼ú»ê¾÷°³¹ß¿¬±¸¼Ò;
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| ÃÊ ·Ï |
| Àâ½Ä¼º ¹× Çöûũſ ¼·½Ä ¾î·ù(Carassius gibelio langsdorfi, Hypophthalmichthys molitrix)ÀÇ °£Á¢³ëÃâ(CCMF, HCMF) ³óµµÂ÷(0, 10, 50%)¿¡ µû¸¥, ³²Á¶ Microcystis aeruginosaÀÇ »ýü·®°ú ¼¼Æ÷³»ºÎ¿Í ¿ÜºÎÀÇ ¸¶ÀÌÅ©·Î½Ã½ºÆ¾(microcystin, MC) ÇÔ·®À» 1ÀÏ °£°ÝÀ¸·Î °üÂûÇÏ¿´´Ù. ½ÇÇè±â°£µ¿¾È M. aeruginosa±ÕÁÖÀÇ ¼¼Æ÷³»¿¡ ÇÔÀ¯µÈ MCÀÇ ¾çÀº ´ëÁ¶±º º¸´Ù ¸ðµç 󸮱º¿¡¼ Áõ°¡ÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù(CCMF1, P=0.015; CCMF2, P<0.001; HCMF1, P< 0.001; HCMF2, P<0.001). 󸮱º°£ÀÇ ºñ±³¿¡¼´Â CCMF1ÀÇ ¼¼Æ÷³» MCÇÔ·® º¸´Ù CCMF2ÀÇ ¼¼Æ÷³» MC ÇÔ·®ÀÌ Åë°èÀûÀ¸·Î À¯ÀÇÇÑ ¼öÁØÀ¸·Î Áõ°¡ÇÏ¿´´Ù(P=0.023). ¶ÇÇÑ HCMF2ÀÇ ¼¼Æ÷³» MCÇÔ·®ÀÌ HCMF1ÀÇ MCÇÔÀ¯·®º¸´Ù Áõ°¡ÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù(P<0.001). M. aeruginosa±ÕÁÖÀÇ ¼¼Æ÷¿Ü MCÇÔ·®Àº ´ëÁ¶±º°ú CCMF1°ú CCMF2¿¡¼ Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò°í, HCMF1°ú HCMF2ÀÇ ¼¼Æ÷¿Ü MCÇÔ·®ÀÌ ´ëÁ¶±ºº¸´Ù ³ôÀº °ÍÀ¸·Î ³ªÅ¸³µ´Ù(HCMF1, P=0.003; HCMF2, P<0.001). º» ¿¬±¸°á°ú, µ¶¼º MicrocystisÀÇ °æ¿ì ¾î·ùÀÇ ºÐºñÈÇй°Áú(kairomone) ³óµµ¿¡ µû¶ó ¼¼Æ÷ ³», ¿ÜºÎÀÇ µ¶¼ºÀÌ Áõ°¡µÉ °¡´É¼ºÀÌ ÀÖÀ¸¸ç, ºÎ¿µ¾çÈ£¿¡¼ »ý¹°Àû Á¶ÀýÀ» ÅëÇÑ Á¶·ùÀú°¨À» ½Ç½ÃÇÒ °æ¿ì MicrocystisÀÇ µ¶¼Ò º¯È¸¦ °í·ÁÇØ¾ß ÇÒ °ÍÀ¸·Î º¸ÀδÙ. |
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| This study was to evaluate microcystin production by Microcystis aeruginosa in response to three different levels of indirect (0, 10, 50% of fish cultured media filtrate; control, FCMF1 and FCMF2) exposures to omnivorous and planktivorous fish (Carassius gibelio langsdorfi and Hypophthalmichthys molitrix, CCMF and HCMF, repectively). The cell biomass, intracellular microcystin (MC) and extracellular MC were measured everyday. The intracellular MC contents of all treatments were significantly increased than the controls (CCMF1, P=0.015; CCMF2, P<0.001; HCMF1, P<0.001; HCMF2, P<0.001). The intracellular MC contents of M. aeruginosa were significantly higher in CCMF2 than in CCMF1 (P=(0.023), Those of M, aeruginosa in HCMF2 were significantly higher than that in HCMF1 (P<0.001). The extracellular MC contents were not significantly different between control and CCMFs but those of M, aeruginosa in HCMF1 and HCMF2 were significantly higher than that in control (HCMF1, P=0.003; HCMF2, P<0.001). This study strongly supports that induced-defensive MC production (intra and extracellular MC) of potentially toxic cyanobacteria in response to kairomone concentration and this results can consider the biomanipulation of eutrophic waters as well as an information concerning strategies for recovering eutrophic waters. |
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| Ű¿öµå |
| Microcystis aeruginosa;Hypophthalmichthys molitrix;Carassius gibelio langsdorfi;intracellular microcystin;extracellular microcystin;kairomones; |
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Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.40, no.2, 2007³â, pp.294-302
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200709905951170)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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