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Cd2+Àº Àΰ£À» ºñ·ÔÇÑ µ¿¹°¿¡°Ô °¡Àå Çطοî Á߱ݼÓÀ¸·Î ¾Ë·ÁÁ³°í (Chaudri et al. 1995), ½Ä¹°Àº Cd2+ÀÇ ³óµµ°¡ ³ôÀ»¼ö·Ï ½Ä¹°Ã¼ÀÇ Áö»óºÎ, ÁöÇϺΠ¹× Àüü ½Ä¹°ÀÇ »ý»ê·®ÀÇ °¨¼Ò¿Í ³«È­°¡ ÃËÁøµÇ¾ú´Ù(Kim 1982; Kim & Park 1992; Page et al. 1972). Kim (1992)Àº »ç¸£ºñ¾Æ, ¸Çµå¶ó¹Ì, ä¼ÛÈ­, µ¹³ª¹° (Sedum saramentosum Bunge)Àº Cd2+ 1000 ppm¿¡¼­ ÀüüÀûÀ¸·Î ¾à 67% ÀÌ»óÀÇ »ýÀå ¾ïÁ¦¸¦ °üÂûÇÏ¿´´Ù. Cd2+À» ºñ·ÔÇÑ ´Ù¸¥ Áß±Ý¼Ó ¹× ¿ÀÁ¸, ÀÌ»êȭȲÀ» ºñ·ÔÇÑ È¯°æ¿À¿°¿øÀº ½Ä¹°ÀÇ ±¤ÇÕ¼º ±âÀÛ ¹× »ýÀåÀ» ¾ïÁ¦ÇÏ°í ³ëÈ­¸¦ ÃËÁøÇÏ´Â °ÍÀÌ °øÅëÀûÀΠƯ¼ºÀÌ´Ù (Willmer 1983).
½Ä¹°Àº Á߱ݼӿ¡ ´ëÇØ ÀúÇ×¼ºÀ» °¡Áö´Â °ÍÀ¸·Î ¾Ë·ÁÁ³´Ù. ½Ä¹°¿¡¼­ ÇÕ¼ºµÇ´Â (¥ã-Glu-Cys)nGly, ¿©±â¿¡¼­ n=2¢¦11ÀÎ ±¸Á¶ÀÇ Phytochyletins (PCs)ÀÌ Cd2+ ÀúÇ×¼º°ú °ü·ÃµÇ¾î ÀÖ´Â °ÍÀ¸·Î ¾Ë·ÁÁ³´Ù (Rauser 1990; Steffens 1990). ½Ä¹°ÀÌ Cd2+¸¦ Æ÷ÇÔÇÏ´Â Á߱ݼӿ¡ ³ëÃâµÇ¸é PCsÀÇ ³óµµ°¡ Áõ°¡ÇÏ¿© Áß±Ý¼Ó ³»¼ºÀ» º¸Àδ٠(Maitai et al. 1996; Rauser 1990). Yun et al. (1997)Àº Canavalia lineata À¯½Ä¹°¿¡ Cd2+¸¦ ó¸®ÇßÀ» ¶§ »Ñ¸®¿¡¼­ PCsÀÇ Áö¼ÓÀûÀÎ Áõ°¡¸¦ °üÂûÇß´Ù. ´ëºÎºÐÀÇ PCsÀÇ ½Ç¡¦(»ý·«)
Âü°í¹®Çå
Demmig B & O Bjorkamn (1987). Comparison of the effect of excessive light of chlorophyll fluorescence(77k) and photon yield of O2 evolution in leaves of higher plants. Planta. 171: 171-184.
Holden M (1965). Chlorophylls. pp. 461-488. In Chemistry and biochemistry of plant pigments (Goodwin TW ed). Academy press, New york.
Jones A.M. (1994). Surprising signals in plant cells. Science 263: 183-184.
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Lee JS (1999) Salicylic acid°¡ ´ßÀÇÀåÇ®ÀÇ ±¤ÇÕ¼º¿¡ ¹ÌÄ¡´Â ¿µÇâ. ȯ°æ»ý¹°ÇÐȸÁö 17 (3): 359-363.
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Maitani T, H Kubota, K Sato & T Yamada (1996) The composition of metal bound to classIII metalothionnein (phytochelatin and its desglycyl peptide) induced by various metals in root cultures of Rubia tinctorum. Plant Physiol. 110: 1145-1150.
Oh MH & CH Lee (1996). Disassembly of chlorophyll-protein complex in Arabidopsis thaliana during dark-induced foliar senescence. J. Plant Physiology 39 (4): 301-307.
Oquist G, W.S Chow & J. M. Anderson. (1992). Photoinhibition of photosynthesis represents a mechanism for the long-term regulation of photosystem II. Planta. 186: 450-460.
Page AL, FT Bingham & C Nelson (1972) Cadmium absorption and growth of various plant species as by solution cadmium concentration. J. Environ. Quality 1: 288-291.
Rauser WE (1990) Phytochelatins. Annu. Rev. Biochem. 59: 61-86.
Rauser WE (1995) Phytochelatins and related peptides. Plant Physiol. 109: 1141-1149.
Ris De Vos CH, JV marjolein, Vooijs R & H Schat (1992) Glutathione depletion due to copper-induced phytochyletin synthesis causes oxidative stress in Silence cucubalus. Plant physiol. 98: 853-858.
Robinson NJ, AM Tommey, C Kuske & PJ Jackson (1993) Plant metallothioneins. Biochem. J. 295: 1-10.
Steffens JC (1990) The heavy metal-binding peptides of plants. Annu. Rev. Plant Physiol. Plant Mol. Biol. 41: 553-575.
Taiz & Zeiger (1991). Plant Physiology. Benjamin Cumming publishing Co. Inc. USA.
Willmer CM (1983) Stomata. Longman Inc., New York.
Yun IS, ID Hwang, YM Byoung & YM Kwon (1997) Effect of spermine on the phytochelatin concentration and composition in cadmium-treated roots of Canavalia lineata Seedlings. J. Plant Biol. 40 (4): 275-278.



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