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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.20, no.1, 2002³â, pp.46-109
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PCR ±â¹ýÀ» ÀÌ¿ëÇÑ ¹ÙÁö¶ôÆ÷ÀÚÃæ Perkinsus Áø´Ü ±â¼ú°³¹ß
( Development of a PCR Assay for Detection of the Protozoan Parasite Perkinsus ) |
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| ÀÌ ¿¬±¸¿¡¼´Â ÇØ»ê ¿¬Ã¼µ¿¹°ÀÇ Æó»ç¸¦ À¯¹ßÇÏ´Â ±â»ý¼º ¿ø»ýµ¿¹°ÀÎ Perkinsus¸¦ ½Å¼ÓÇÏ°í Æ¯ÀÌÀûÀ¸·Î °ËÃâÇϱâ À§ÇÏ¿© PCR Áø´Ü¹ýÀ» °³¹ßÇÏ¿´´Ù. À̸¦ À§ÇØ Perkinsus ¼Ó 4Á¾À» °øÅëÀûÀ¸·Î ÁõÆøÇϰųª P. atlanticus¸¸À» ƯÀÌÀûÀ¸·Î ÁõÆøÇÒ ¼ö ÀÖ´Â µÎ °¡ÁöÀÇ primer¸¦ Á¦ÀÛÇÏ¿´´Ù. PCRºÐ¼®Àº ±âÁ¸ Perkinsus Áø´Ü¹ýÀÎ fluid thioglycollate medium (FTM) ¹æ¹ý°ú 2 M NaOH ±â¹ýÀ» º´ÇàÇÏ¿© ½Ç½ÃÇÏ¿´´Ù. ½ÇÇ豸·Î¼ Àü¶ó³²µµ ¿Ïµµ»ê, Á¦ÁÖµµ ±è³ç»ê, Á¦ÁÖµµ ¼±ÍÆ÷»ê, Á¦ÁÖµµ ¼º»ê»ê ¹ÙÁö¶ô°ú in vitro ¹è¾çµÈ ¹ÙÁö¶ôÆ÷ÀÚÃæÀÌ ÀÌ¿ëµÇ¾úÀ¸¸ç, ´ëÁ¶±¸·Î¼ Àü¶ó³²µµ °Áø¿¡¼ äÁýµÈ ²¿¸·, T. granosaÀ» »ç¿ëÇÏ¿´´Ù. ½ÇÇè °á°ú PerkinsusƯÀ̼º DNA band°¡ Àü³² ¿Ïµµ»ê°ú Á¦ÁÖµµ ¼º»ê»ê ¹ÙÁö¶ô, in vitro ¹è¾çµÈ ¹ÙÁö¶ô Æ÷ÀÚÃæ¿¡¼ È®ÀεǾúÀ¸³ª, ´ëÁ¶±¸¿´´ø ²¿¸·°ú Á¦ÁÖµµ ¼±ÍÆ÷»ê, Á¦ÁÖµµ ±è³ç»ê ¹ÙÁö¶ô¿¡¼´Â ³ªÅ¸³ªÁö ¾Ê¾Ò´Ù. À̰°Àº Áø´Ü °á°ú´Â FTM°ú 2M NaOH Áø´Ü °á°ú¿Í ÀÏÄ¡ÇÏ¿´´Ù. ÇÑÆí P. atlanticus¿¡ ƯÀÌÀûÀÎ primer¿¡ ÀÇÇØ ÁõÆøµÈ band°¡ È®Àεʿ¡ µû¶ó ±¹³»»ê ¹ÙÁö¶ô¿¡¼ °ËÃâµÇ´Â ¹ÙÁö¶ôÆ÷ÀÚÃæÀº P. atlanticus¿Í µ¿ÀÏ Á¾ÀÓÀÌ È®ÀεǾú´Ù. °á·ÐÀûÀ¸·Î, º» ¿¬±¸¸¦ ÅëÇÏ¿© °³¹ßµÈ PCRÀ» ÀÌ¿ëÇÑ Áø´Ü¹ýÀº ÇØ»ê ¿¬Ã¼µ¿¹°³» Perkinsus ¼Ó ±â»ýÃæ°ú P. atlanticusÀÇ °¨¿°À» ½Å¼ÓÇÏ°íµµ Á¾ ƯÀÌÀûÀ¸·Î Áø´ÜÇÒ ¼ö ÀÖ¾î ¼ö¤ýÃâÀÔ ¼ö»ê¹°ÀÇ °Ë¿ª°ú ¹ÙÁö¶ô Æ÷ÀÚÃæÀÇ »ýÅÂÇÐÀû Ư¼ºÀ» ±Ô¸íÇϴµ¥ È¿°úÀûÀ¸·Î ÀÌ¿ëµÉ ¼ö ÀÖÀ» °ÍÀ¸·Î ±â´ëµÈ´Ù. |
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| Detection of protozoan parasites Perkinsus sp. and P. atlanticus was developed in this study using a specific polymerase chain reaction (PCR) to diagnose the presence of those organisms that causes extensive mortalities of marine shellfishes. The PCR was conducted together with fluid thioglycollate medium (FTM) method and 2 M NaOH lysis method. For the test, Manila clams, Ruditapes philippinarum, were collected from four coastal locations in Korea including Wando Island, Gimnyeong, Sungsan and Sogwipo in Jeju. In addition, trophozites of Perkinsus sp. cultivated in vitro and the granular ark clam, Tegillarca granosa, taken from Gangjin on the south coast of Korea, were used as positive and negative controls, respectively. Expected DNA bands were detected in the samples from Wando Island, Sungsan and the in vitro cultured Perkinsus sp. when the probes specific for the genus Perkinsus and P. atlanticus were used. The samples were also positively diagnosed by the FTM and 2 M NaOH methods. In contrast, the Manila clams from Gimnyeong and Sogwipo, and the granular arks clams from Gangjin showed no detectable signs of infection with the PCR, the FTM method and the 2 M NaOH lysis method. On the other hand, being amplified by p. atlanticus specific primer, it is suggested that the protozoan parasite Perkinsus sp. found in the Korean Manila clam is P. atlanticus. Finally the PCR- based assay developed in the present study can be used in detection of Perkinsus infection and discrimination of Peykinsus species in quarantine stations or laboratories due to the high sensitivity and specificity as well as its rapid detection. |
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| Ű¿öµå |
| Perkinsus atlanticus;Ruditapes philippinarum;PCR;diagnosis;fluid thioglycollate medium;Korea; |
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ȯ°æ»ý¹° / v.20, no.1, 2002³â, pp.46-109
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200210103498713)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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