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Çѱ¹È¯°æ»ý¹°ÇÐȸ / v.22, no.3, 2004³â, pp.472-477
Bacillus lentimorbus WJ5ÀÇ °¨¸¶¼±À¯µµ µ¹¿¬º¯ÀÌüµé¿¡¼­ °øÅëÀ¸·Î ¹ßÇöµÇ´Â ¹æ»ç¼± °ü·Ã À¯ÀüÀÚÀÇ microarray ºÐ¼®
( Microarray Analysis of Radiation Related Gene Expression in Mutants of Bacillus lentimorbus WJ5 Induced by Gamma Radiation )
ÀÌ¿µ±Ù;ÀåÈ­Çü;ÀåÀ¯½Å;ÇãÀçÈ£;Çü¼®¿ø;Á¤Çý¿µ; Çѱ¹¿øÀڷ¿¬±¸¼Ò ¹æ»ç¼±À̿뿬±¸ºÎ;Çѱ¹¿øÀڷ¿¬±¸¼Ò ¹æ»ç¼±À̿뿬±¸ºÎ;Çѱ¹¿øÀڷ¿¬±¸¼Ò ¹æ»ç¼±À̿뿬±¸ºÎ;Çѱ¹¿øÀڷ¿¬±¸¼Ò ¹æ»ç¼±À̿뿬±¸ºÎ;Çѱ¹¿øÀڷ¿¬±¸¼Ò ¹æ»ç¼±À̿뿬±¸ºÎ;Çѱ¹¿øÀڷ¿¬±¸¼Ò ¹æ»ç¼±À̿뿬±¸ºÎ;
 
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º» ¿¬±¸¿¡¼­´Â °¨¸¶¼±À¸·Î À¯µµµÈ µ¹¿¬º¯ÀÌüµé¿¡¼­ °øÅëÀ¸·Î ¹ßÇöµÇ´Â ¹æ»ç¼± °ü·Ã À¯ÀüÀÚµéÀÇ ¹ßÇöÀ» ¿¬±¸Çϱâ À§ÇÏ¿©, B. lentimorbus WJ5 ÀÇ ¹æ»ç¼± À¯µµ µ¹¿¬º¯ÀÌü¿¡¼­ ¹ßÇöµÇ´Â À¯ÀüÀÚ¸¦ DNA microarray·Î µ¿½Ã¿¡ Ž»öÇÏ¿´´Ù. DNA microarray´Â B. lentimorbus WJ5 genomeÀ» ¹«ÀÛÀ§·Î Àý´ÜÇÏ¿© 2,000 ´ÜÆíÀ¸·Î ±¸¼ºÇÏ¿´À¸¸ç, °¨¸¶¼± $(^{60}/Co)$À¸·Î À¯µµµÈ 7 µ¹¿¬º¯ÀÌüÀÇ ¹ßÇöÀ» Á¤·®ÀûÀ¸·Î °üÂûÇÏ¿´´Ù. Ŭ·¯½ºÅÍ ºÐ¼®°á°ú ¹ßÇöµÈ 408 À¯ÀüÀÚ Áß 27°³°¡ °¨¸¶¼± À¯µµ µ¹¿¬º¯ÀÌü ¸ðµÎ¿¡¼­ À¯ÀÇÇÏ°Ô ¹ßÇöÀÌ Áõ°¡µÇ¾ú´Ù. ƯÈ÷, º¹±¸(mutL, mutM) ¿¡³ÊÁö ´ë»ç (acsA, sdhB, pgk, yhjB, citB), protease (npr), »êÈ­Àڱؿ¡ ´ëÇÑ È¯¿ø (HMM)°ü·Ã À¯ÀüÀÚµéÀÌ µ¿½Ã¿¡ Áõ°¡µÇ¾ú´Ù. ÀÌ´Â °¨¸¶¼± À¯µµ µ¹¿¬º¯ÀÌüµé¿¡¼­ ÀÚ¹ßÀûÀÎ Á÷/°£Á¢ º¹±¸ °ü·Ã À¯ÀüÀÚÀÇ ¹ßÇö Áõ°¡´Â ¹æ»ç¼± ³ëÃâ Á÷ÈÄ º¸ÀÌ´Â stress response¿Í´Â ´Ù¸¥ Çö»óÀÓÀ» ³ªÅ¸³»´Â °ÍÀ¸·Î »ý°¢µÈ´Ù.
To study the radiation related gene expression in mutants of Bacillus lentimorbus WJ5 induced by gamm radiation, the simultaneous gene expression was analyzed by DNA micro array. We constructed DNA chips including two thousand randomly digested genome spots of B. lentimorbus WJ5 and compared its quantitative aspect with seven mutants induced by gamma radiation $(^{60}/Co)$. From the cluster analysis of gene expression pattern, totally 408 genes were expressed and 27 genes were significantly upregulated by the gamma radiation in all mutants. Especially, genes involved in repair (mutL, mutM), energy metabolism (acsA, sdhB, pgk, yhjB, citB), protease (npr), and reduction response to oxidative stress (HMM) were simultaneously upregulated. It seems that the induction of the direct and/or indirect repair related genes in mutants induced by gamma radiation could be remarkably different from the adaptive responses against acute exposure to radiation.
 
Ű¿öµå
Bacillus lentimorbus WJ5;gamma radiation;microarray;mutant;
 
ȯ°æ»ý¹° / v.22, no.3, 2004³â, pp.472-477
Çѱ¹È¯°æ»ý¹°ÇÐȸ
ISSN : 1226-9999
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO200412910474240)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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