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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.24, no.2, 2006³â, pp.147-154
ÁøÇظ¸ÀÇ À¯µ¶ Çöûũſ Alexandrium catenellaÀÇ ¼ºÀ寝¼º
( Growth Characteristics for Toxic Marine Dinoflagellate Alexandrium catenella Isolated from Jinhae Bay, Korea )
ÀÌÇØ¿Á;À̳ª¿î;;ÇѸí¼ö; ÇѾç´ëÇб³ »ý¸í°úÇаú;ÇѾç´ëÇаú ȯ°æ°úÇаú;ÇѾç´ëÇб³ »ý¸í°úÇаú;ÇѾç´ëÇб³ »ý¸í°úÇаú;
 
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Çѱ¹ ÁøÇظ¸¿¡¼­ ºÐ¸®ÇÑ ¸¶ºñ¼ºÆÐµ¶ ¿øÀÎÁ¾ÀÇ ÇϳªÀÎ Alexandrium catenella (AlCt-01) ÃÖÀû ¼ºÀ寝¼ºÀ» ±Ô¸íÇϱâ À§ÇØ ¿Âµµ, ¿°ºÐ, ±¤µµÀÇ ´Ù¾çÇÑ Á¶°Ç¿¡¼­ A. catenella ¼ºÀåÀ» Á¶»çÇÏ¿´´Ù. $50sim150{mu}E;m^{-2}s^{-1}$±îÁö´Â ±¤µµ°¡ Áõ°¡ÇÔ¿¡ µû¶ó A. catenella ¼ºÀåµµ Áõ°¡ÇÏ¿´À¸³ª $50sim150{mu}E;m^{-2}s^{-1}$ ÀÌ»óÀÇ ±¤µµ¿¡¼­´Â A. catenella ¼ºÀåÀÌ ÀÏÁ¤ÇÏ°Ô À¯ÁöÇÏ¿´´Ù. ¿Âµµ´Â $15sim25^{circ}C$¿¡¼­ ¼ºÀåÇÏ¿´°í $20^{circ}C$¿¡¼­ °¡Àå Àß ¼ºÀåÇÏ¿´´Ù. A. catenella´Â 25 PSU±îÁö´Â ¿°ºÐÀÌ Áõ°¡ÇÔ¿¡ µû¶ó ¼ºÀå·üµµ Áõ°¡ÇÏ¿´À¸³ª ±× ÀÌ»óÀÇ ¿°ºÐ ³óµµ¿¡¼­´Â ¼ºÀåÀÌ ÀÏÁ¤Çϰųª °¨¼ÒÇÏ¿´´Ù. º» ¿¬±¸¸¦ ÅëÇÑ A. catenella ÃÖÀû ¼ºÀåÁ¶°ÇÀº $50sim150{mu}E;m^{-2}s^{-1}$, 30 PSU, $20^{circ}C$¿¡¼­ °¡Àå ³ôÀº ¼ºÀå·ü $k=0.45;d^{-1}$À» ³ªÅ¸³»¾ú´Ù. ÃÖÀû ¼ºÀåÁ¶°Ç¿¡¼­ ¼¿·¹´Ï¿ò°ú öÀÇ ´Ù¾çÇÑ ³óµµ¿¡ µû¶ó A. catenella ¼ºÀ寝¼ºÀ» Á¶»çÇÏ¿´´Âµ¥ ö³óµµ´Â $11.7{mu}M$¿¡¼­ ÃÖ´ë°ªÀ» ³ªÅ¸³»¾ú°í $(k=0.48;d^{-1})$, $11.7{mu}M$ º¸´Ù ³·Àº ³óµµ¿¡¼­´Â ö³óµµ°¡ °¨¼ÒÇÒ¼ö·Ï A. catenella ¼ºÀå·üµµ °¨¼ÒÇÏ¿´´Ù. A. catenella´Â $10^{-3}sim0.1{mu}M$ ¼¿·¹´Ï¿ò ³óµµ¿¡¼­ A. catenella ¼¼Æ÷¹Ðµµ°¡ Áõ°¡ÇÏ°í ´ë¼ö¼º Àå±â ÈĹÝ(the end of exponential phase)ÀÌ ±æ¾îÁüÀ» °üÂû ÇÏ¿´´Ù.
Effects of water temperature, salinity and irradiance on the growth of toxic dinoflagellate Alexandrium catenella (AlCt-01) were investigated, which was isolated from Jinhae Bay, Korea. The maximum growth of A. catenella strain was obtained at $150{mu}E;m^{-2}s^{-1}$. The ranges of temperature and salinity for the growth of the strain were $15sim25^{circ}C$ and $20sim34$ PSU. The maximum growth rate of A. catenella determined was $0.45d^{-1}$ at $20^{circ}C$, 30 PSU and $150{mu}E;m^{-2}s^{-1}$ We also examined the Se and Fe effects on the toxic dinoflagellate A. catenella in optimal growth conditions. As Fe concentration of medium increased from 0 to $11.7{mu}M$, growth rate of A. catenella increased and the maximum growth rate(k=0.48 $d^{-1}$) was obtained at $11.7{mu}M$ of Fe cone. Growth of A. catenella were stimulated at> 1nM of Se.
 
Ű¿öµå
Alexandrium catenella;growth;environmental factors;Se;Fe;
 
ȯ°æ»ý¹° / v.24, no.2, 2006³â, pp.147-154
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200629734083971)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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