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Çѱ¹ÇÏõȣ¼öÇÐȸ / v.32, no.3, 1999³â, pp.271-271
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ÀÚ°¡»ç¸® Liobagrus mediadiposalis (°æ°ñ¾î°, ¸Þ±â¸ñ, Åü°¡¸®°ú) Á¤ÀÚÀÇ ¹Ì¼¼±¸Á¶
( Ultrastructure of the South Torrent Catfish, Liobagrus mediadiposalis(Teleostei, Siluriformes, Amblycipitidae) Spermatozoon ) |
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| ÀÚ°¡»ç¸® Á¤Àڴ ü¿Ü¼öÁ¤À» ÇÏ´Â ÀϹÝÀûÀÎ ¼öÁßÇüÀÇ ÇüŸ¦ Çϰí ÀÖÀ¸³ª ¹ÌÅäÄܵ帮¾ÆÀÇ ¸¹Àº ¼ö, ÇÙ µ¹±â ¹× µÎ °³ÀÇ Æí¸ð¸¦ °¡Áö´Â ±¸Á¶Àû Â÷À̸¦ º¸¿©ÁÖ¾ú´Ù. ÇÙÀÇ ±âºÎ¿¡´Â µÎ °³ÀÇ ±íÀÌ ÇÔÀÔµÈ ÇÙ¿Í¿¡ °¢°¢ ¸»´ÜºÎÁ߽ɸ³À» Æ÷ÇÔÇÏ°í µÎ °³ÀÇ Á߽ɸ³Àº Ãà»ç¸¦ Çü¼ºÇÒ ±âÀúü·Î¼ÀÇ ±â´ÉÀ» ÇÏ¸ç ¼·Î ÆòÇàÇÏ°Ô ¹è¿µÇ¾î ÀÖ¾ú´Ù. ºÎ¼öü´Â Á߽ɸ³¿¡¼ºÎÅÍ ÇÙ¸· »çÀÌÀÇ °ø°£¿¡ ÀÖÀ¸¸ç ÀÌµé »çÀÌÀÇ °ø°£Àû °ü°è¸¦ ¾ÈÁ¤È½ÃŰ´Â ¿ªÇÒÀ» ÇÏ´Â °ÍÀ¸·Î ¿©°ÜÁø´Ù. ¹ÌÅäÄܵ帮¾Æ´Â ÁßÆí¼¼Æ÷Áú¿¡ ¼ 2Ãþ ¶Ç´Â 3ÃþÀ¸·Î ¹è¿µÇ¾î ÀÖÀ¸¸ç ±× ¼ö´Â 40°³ Á¤µµ°¡ ÀÖ¾ú´Ù. Á¤ÀÚ´Â µÎ °³ÀÇ Æí¸ð¸¦ °¡Áö¸ç °¢ Æí¸ð¿¡ 2°³¾¿ Áï 4°³ÀÇ axonemal fins°¡ ³ªÀÖ°í À̵éÀº Ãà»çÀÇ ÀÌÁ߹̼¼¼Ò°ü 3¹ø°ú 8¹ø ¾çÂÊÀÇ ¿øÇüÁú¸·ÀÌ µ¹ÃâµÇ¾î ³ªÅ¸³µ´Ù. ¼¼Æ÷Áú°üÀ» µ¤°íÀÖ´Â ¿Üº®Àº ¿øÇüÁú¸·°ú ¼ÒÆ÷ü ¼öÁ¶·Î ±¸¼ºµÇ¸ç ÀÌµé »çÀÌ¿¡ ¼ö¸¹Àº °áÇÕ±¸Á¶°¡ ¹ß´ÞµÇ¾î ÀÖ¾ú´Ù. À̿Ͱ°ÀÌ ÀÚ°¡»ç¸®ÀÇ Á¤ÀÚ´Â ±¸ÇüÀÇ ÇÙ, ±íÀº ÇÙ¿Í, ¹ÌÅäÄܵ帮¾ÆÀÇ ¹è¿ ¹× Æí¸ðÀÇ ±¸¼º¿¡ ÀÖ¾î¼ ¸Þ±â°ú¿Í µ¿ÀÚ°³°úÀÇ Á¤ÀÚ¿Í À¯»çÇϳª ÀÌµé µÎ °ú¿Í´Â ÇÙ µ¹±â, ÇÙ¿Í, Ãà»ç ¹× axonemal finsÀÇ ¼ö¿¡ À־ Â÷À̸¦ º¸¿©ÁÖ¾ú´Ù. Á¤ÀÚÀÇ Á߯í°ú ²¿¸®ÀÇ ±¸¼º¿¡¼ ¸Þ±â¸ñ 4°ú Áß Åü°¡¸®°ú¿Í µ¿ÀÚ°³°úÀÇ °èÅëÀû À¯¿¬°ü°è°¡ °¡Àå ¹ÐÁ¢ÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù. |
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| The spermatozoon of Liobugrus medicdiposalis conformed to the general pattern of primitive spermatozoa with external fertilization. However, the major differences were the presence of numerous mitochondria, the protruding process of the anterior nuclear membrane and two flagella. The basal nucleus was depressed with two deep nuclear fossae. Each one of the fossae contained the distal centriole instead of having a proximal and a distal centriole in a uniflagellated spermatozoon. The centrioles were parallel to each other and functioned as the basal bodies for the axonemes. The satellite fibers extending from the centrioles to the nucleus might be responsible for the stabilization of the spatial relationship between the nucleus and the centrioles. The mitochondria of 40 or more were not fused and were arranged in two to three layers in the postnuclear cytoplasm and in number. The spermatozoon had two flagella, and each of them had two axonemal fins. The axonemal fins were the closest to axonemal doublet 3 and 8. The outer wall lining the cytoplasmic canal had numerous links joining the plasma membrane and a kind of ER cisterns. The spermatozoon of L. mediadiposalis resembled to that of the Siluridae and Bagridae in the spherical nucleus, the deep nuclear fossa, the arrangement of mitochondria and the organization of the flagellum. However, the spermatozoon of the south torrent catfish had the process of the anterior nuclear membrane, two nuclear fossae and two axonemes not as in Siluridae and Bagridae and the axonemal fins as in Bagridae. Thus, the organization of the mid-piece and the sperm tail appears to indicate a rather close phylogenetic relationship between Amblycipitidae and Bagridae. |
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| Ű¿öµå |
| Biflagellated speymatozoa;Ultrastructure;Liobagrus mediadiposalis;Distal centriole;Axonemal fins; |
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Çѱ¹ÇÏõȣ¼öÇÐȸÁö / v.32, no.3, 1999³â, pp.271-271
Çѱ¹ÇÏõȣ¼öÇÐȸ
ISSN : 1976-8087
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199910102424368)
¾ð¾î : ¿µ¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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