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Volumn 227, Issue 1, 2007, Pages 143-150

Potato steroidal glycoalkaloid levels and the expression of key isoprenoid metabolic genes

Author keywords

HMGR1; Isoprenoid pathway; Potato steroidal glycoalkaloids; PSS1; Solanum

Indexed keywords

ALPHA CHACONINE; ALPHA SOLANINE; ALPHA-SOLANINE; DRUG DERIVATIVE; SOLANINE; SOLANUM ALKALOID; TERPENE; UNCLASSIFIED DRUG;

EID: 36849050788     PISSN: 00320935     EISSN: 14322048     Source Type: Journal    
DOI: 10.1007/s00425-007-0602-3     Document Type: Article
Times cited : (65)

References (50)
  • 1
    • 0344942508 scopus 로고    scopus 로고
    • Reduction of cholesterol and glycoalkaloid levels in transgenic potato plants by overexpression of a type 1 sterol methyltransferase cDNA
    • Arnqvist L, Dutta PC, Jonsson L, Sitbon F (2003) Reduction of cholesterol and glycoalkaloid levels in transgenic potato plants by overexpression of a type 1 sterol methyltransferase cDNA. Plant Physiol 131:1792-1799
    • (2003) Plant Physiol , vol.131 , pp. 1792-1799
    • Arnqvist, L.1    Dutta, P.C.2    Jonsson, L.3    Sitbon, F.4
  • 2
    • 85099359101 scopus 로고
    • Fertile interspecific somatic hybrids of Solanum: A novel source of resistance to Erwinia soft rot
    • Austin S, Lojkowska E, Ehlenfeldt MK, Kelman A, Helgeson JP (1988) Fertile interspecific somatic hybrids of Solanum: a novel source of resistance to Erwinia soft rot. Phytopathology 78:1216-1220
    • (1988) Phytopathology , vol.78 , pp. 1216-1220
    • Austin, S.1    Lojkowska, E.2    Ehlenfeldt, M.K.3    Kelman, A.4    Helgeson, J.P.5
  • 3
    • 0033792165 scopus 로고    scopus 로고
    • Glycoalkaloids in potato tubers: The effect of variety and drought stress on the alpha-solanine and alpha-chaconine contents of potatoes
    • Bejarano L, Mignolet E, Devaux A, Espinola N, Carrasco E, Larondelle Y (2000) Glycoalkaloids in potato tubers: the effect of variety and drought stress on the alpha-solanine and alpha-chaconine contents of potatoes. J Sci Food Agric 80:2096-2100
    • (2000) J Sci Food Agric , vol.80 , pp. 2096-2100
    • Bejarano, L.1    Mignolet, E.2    Devaux, A.3    Espinola, N.4    Carrasco, E.5    Larondelle, Y.6
  • 4
    • 84961736131 scopus 로고
    • Regulation of glycoalkaloid accumulation in potato tuber disks
    • Bergenstråhle A, Tillberg E, Jonsson L (1992) Regulation of glycoalkaloid accumulation in potato tuber disks. J Plant Physiol 140:269-275
    • (1992) J Plant Physiol , vol.140 , pp. 269-275
    • Bergenstråhle, A.1    Tillberg, E.2    Jonsson, L.3
  • 5
  • 6
    • 0029186252 scopus 로고
    • Is the reaction catalyzed by 3-hydroxy-3-methylglutaryl coenzyme a reductase a rate limiting step for isoprenoid biosynthesis in plants?
    • Chappell J, Wolf F, Proulx J, Cuellar R, Saunders C (1995) Is the reaction catalyzed by 3-hydroxy-3-methylglutaryl coenzyme A reductase a rate limiting step for isoprenoid biosynthesis in plants? Plant Physiol 109:1337-1343
    • (1995) Plant Physiol , vol.109 , pp. 1337-1343
    • Chappell, J.1    Wolf, F.2    Proulx, J.3    Cuellar, R.4    Saunders, C.5
  • 7
    • 0026937714 scopus 로고
    • Differential induction and suppression of potato 3-hydroxy-3- methylglutaryl coenzyme a reductase genes in response to Phytophthora infestans and to its elicitor arachidonic acid
    • Choi D, Ward BL, Bostock RM (1992) Differential induction and suppression of potato 3-hydroxy-3-methylglutaryl coenzyme A reductase genes in response to Phytophthora infestans and to its elicitor arachidonic acid. Plant Cell 4:1333-1344
    • (1992) Plant Cell , vol.4 , pp. 1333-1344
    • Choi, D.1    Ward, B.L.2    Bostock, R.M.3
  • 8
    • 0028343938 scopus 로고
    • Lipid-derived signals that discriminate wound- and pathogen-responsive isoprenoid pathways in plants: Methyl jasmonate and the fungal elicitor arachidonic acid induce different 3-hydroxy-3-methylglutaryl-coenzyme a reductase genes and antimicrobial isoprenoids in Solanum tuberosum L
    • Choi D, Bostock RM, Avdiushko S, Hildebrand DF (1994) Lipid-derived signals that discriminate wound- and pathogen-responsive isoprenoid pathways in plants: methyl jasmonate and the fungal elicitor arachidonic acid induce different 3-hydroxy-3-methylglutaryl-coenzyme A reductase genes and antimicrobial isoprenoids in Solanum tuberosum L. Proc Nat Acad Sci USA 91:2329-2333
    • (1994) Proc Nat Acad Sci USA , vol.91 , pp. 2329-2333
    • Choi, D.1    Bostock, R.M.2    Avdiushko, S.3    Hildebrand, D.F.4
  • 9
    • 84985545798 scopus 로고
    • Glycoalkaloid increase in Solanum tuberosum on exposure to light
    • Dale MFB, Griffiths DW, Bain H, Todd D (1993) Glycoalkaloid increase in Solanum tuberosum on exposure to light. Ann Appl Biol 123:411-418
    • (1993) Ann Appl Biol , vol.123 , pp. 411-418
    • Dale, M.F.B.1    Griffiths, D.W.2    Bain, H.3    Todd, D.4
  • 10
    • 0028834801 scopus 로고
    • Bacterial expression of the catalytic domain of 3-hydroxy-3- methylglutaryl Co-A reductase (isoform HMGR1) from Arabidopsis thaliana, and its inactivation by phosphorylation at Ser577 by Brassica oleracea 3-hydroxy-3-methylglutaryl CoA reductase kinase
    • Dale S, Arro M, Becerra B, Morrice NG, Boronat A, Hardie DG, Ferrer A (1995) Bacterial expression of the catalytic domain of 3-hydroxy-3- methylglutaryl Co-A reductase (isoform HMGR1) from Arabidopsis thaliana, and its inactivation by phosphorylation at Ser577 by Brassica oleracea 3-hydroxy-3-methylglutaryl CoA reductase kinase. Eur J Biochem 233:506-513
    • (1995) Eur J Biochem , vol.233 , pp. 506-513
    • Dale, S.1    Arro, M.2    Becerra, B.3    Morrice, N.G.4    Boronat, A.5    Hardie, D.G.6    Ferrer, A.7
  • 11
    • 0030689071 scopus 로고    scopus 로고
    • Changes in the content of steroidal glycoalkaloids in potato tubers grown in the field and in the greenhouse under different conditions of light, temperature and daylength
    • Dimenstein L, Lisker N, Kedar N, Levy D (1997) Changes in the content of steroidal glycoalkaloids in potato tubers grown in the field and in the greenhouse under different conditions of light, temperature and daylength. Physiol Mol Plant Pathol 50:391-402
    • (1997) Physiol Mol Plant Pathol , vol.50 , pp. 391-402
    • Dimenstein, L.1    Lisker, N.2    Kedar, N.3    Levy, D.4
  • 12
    • 0031462403 scopus 로고    scopus 로고
    • Potato glycoalkaloid impairment of fungal development
    • Fewell AM, Roddick JG (1997) Potato glycoalkaloid impairment of fungal development. Mycol Res 101:597-603
    • (1997) Mycol Res , vol.101 , pp. 597-603
    • Fewell, A.M.1    Roddick, J.G.2
  • 13
    • 0002108958 scopus 로고    scopus 로고
    • Potato glycoalkaloids: Chemistry, analysis, safety, and plant physiology
    • Friedman M, McDonald GM (1997) Potato glycoalkaloids: chemistry, analysis, safety, and plant physiology. Crit Rev Plant Sci 16:55-132
    • (1997) Crit Rev Plant Sci , vol.16 , pp. 55-132
    • Friedman, M.1    McDonald, G.M.2
  • 14
    • 0038070276 scopus 로고    scopus 로고
    • Glycoalkaloid and calystegine contents of eight potato cultivars
    • Friedman M, Roitman JN, Kozukue N (2003) Glycoalkaloid and calystegine contents of eight potato cultivars. J Agric Food Chem 51:2964-2973
    • (2003) J Agric Food Chem , vol.51 , pp. 2964-2973
    • Friedman, M.1    Roitman, J.N.2    Kozukue, N.3
  • 15
    • 23744506485 scopus 로고    scopus 로고
    • Anticarcinogenic effects of glycoalkaloids from potatoes against human cervical, liver, lymphoma, and stomach cancer cells
    • Friedman M, Lee KR, Kim HJ, Lee IS, Kozukue N (2005) Anticarcinogenic effects of glycoalkaloids from potatoes against human cervical, liver, lymphoma, and stomach cancer cells. J Agric Food Chem 53:6162-6169
    • (2005) J Agric Food Chem , vol.53 , pp. 6162-6169
    • Friedman, M.1    Lee, K.R.2    Kim, H.J.3    Lee, I.S.4    Kozukue, N.5
  • 16
    • 0000419178 scopus 로고
    • Biogenesis of steroids in Solanaceae
    • Heftmann E (1983) Biogenesis of steroids in Solanaceae. Phytochemistry 22:1843-1860
    • (1983) Phytochemistry , vol.22 , pp. 1843-1860
    • Heftmann, E.1
  • 17
    • 1542440245 scopus 로고    scopus 로고
    • Induction mechanism of 3-hydroxy-3-methylglutaryl-CoA reductase in potato tuber and sweet potato root tissues
    • Kondo K, Uritani I, Oba K (2003) Induction mechanism of 3-hydroxy-3-methylglutaryl-CoA reductase in potato tuber and sweet potato root tissues. Biosci Biotechnol Biochem 67:1007-1017
    • (2003) Biosci Biotechnol Biochem , vol.67 , pp. 1007-1017
    • Kondo, K.1    Uritani, I.2    Oba, K.3
  • 18
    • 0033842934 scopus 로고    scopus 로고
    • Developmental and light-regulated post-translational control of 3-hydroxy-3-methylglutaryl-CoA reductase levels in potato
    • Korth KL, Jaggard DAW, Dixon RA (2000) Developmental and light-regulated post-translational control of 3-hydroxy-3-methylglutaryl-CoA reductase levels in potato. Plant J 23:507-516
    • (2000) Plant J , vol.23 , pp. 507-516
    • Korth, K.L.1    Jaggard, D.A.W.2    Dixon, R.A.3
  • 19
    • 0033849893 scopus 로고    scopus 로고
    • Influence of high temperature and reduced irradiance on glycoalkaloid levels in potato leaves
    • Lafta AM, Lorenzen JH (2000) Influence of high temperature and reduced irradiance on glycoalkaloid levels in potato leaves. J Am Soc Hortic Sci 125:563-566
    • (2000) J Am Soc Hortic Sci , vol.125 , pp. 563-566
    • Lafta, A.M.1    Lorenzen, J.H.2
  • 21
    • 0034780914 scopus 로고    scopus 로고
    • The importance of phellogen cells and their structural characteristics in susceptibility and resistance to excoriation in immature and mature potato tuber (Solanum tuberosum L.) periderm
    • Lulai EC, Freeman TP (2001) The importance of phellogen cells and their structural characteristics in susceptibility and resistance to excoriation in immature and mature potato tuber (Solanum tuberosum L.) periderm. Ann Bot 88:555-561
    • (2001) Ann Bot , vol.88 , pp. 555-561
    • Lulai, E.C.1    Freeman, T.P.2
  • 23
    • 7944225268 scopus 로고    scopus 로고
    • Metabolic compensation of steroidal glycoalkaloid biosynthesis in transgenic potato tubers: Using reverse genetics to confirm the in vivo enzyme function of a steroidal alkaloid galactosyltransferase
    • McCue KF, Shepherd LVT, Allen PV, Maccree MM, Rockhold DR, Corsini DL, Davies HV, Belknap WR (2005) Metabolic compensation of steroidal glycoalkaloid biosynthesis in transgenic potato tubers: using reverse genetics to confirm the in vivo enzyme function of a steroidal alkaloid galactosyltransferase. Plant Sci 168:267-273
    • (2005) Plant Sci , vol.168 , pp. 267-273
    • McCue, K.F.1    Shepherd, L.V.T.2    Allen, P.V.3    MacCree, M.M.4    Rockhold, D.R.5    Corsini, D.L.6    Davies, H.V.7    Belknap, W.R.8
  • 26
    • 0031079999 scopus 로고    scopus 로고
    • Cloning and expression of solanidine UDP-glucose glucosyltransferase from potato
    • Moehs CP, Allen PV, Friedman M, Belknap WR (1997) Cloning and expression of solanidine UDP-glucose glucosyltransferase from potato. Plant J 11:227-236
    • (1997) Plant J , vol.11 , pp. 227-236
    • Moehs, C.P.1    Allen, P.V.2    Friedman, M.3    Belknap, W.R.4
  • 27
    • 84985406609 scopus 로고
    • Determination of the glycoalkaloid content of potato tubers by 3 methods including enzyme linked immunosorbent assay
    • Morgan MRA, Coxon DT, Bramham S, Chan HWS, Vangelde WMJ, Allison MJ (1985) Determination of the glycoalkaloid content of potato tubers by 3 methods including enzyme linked immunosorbent assay. J Sci Food Agri 36:282-288
    • (1985) J Sci Food Agri , vol.36 , pp. 282-288
    • Morgan, M.R.A.1    Coxon, D.T.2    Bramham, S.3    Chan, H.W.S.4    Vangelde, W.M.J.5    Allison, M.J.6
  • 28
    • 38249035932 scopus 로고
    • The metabolism of solanidine by microsomal fractions from Solanum chacoense
    • Osman S, Sinden SL, Deahl K, Moreau R (1987) The metabolism of solanidine by microsomal fractions from Solanum chacoense. Phytochemistry 26:3163-3165
    • (1987) Phytochemistry , vol.26 , pp. 3163-3165
    • Osman, S.1    Sinden, S.L.2    Deahl, K.3    Moreau, R.4
  • 29
    • 0001924814 scopus 로고
    • Studies on the genetic basis of resistance to potato leaf roll virus, potato virus Y and potato virus X in Solanum brevidens using somatic hybrids of Solanum brevidens and Solanum tuberosum
    • Pehu E, Gibson RW, Jones MGK, Karp A (1990) Studies on the genetic basis of resistance to potato leaf roll virus, potato virus Y and potato virus X in Solanum brevidens using somatic hybrids of Solanum brevidens and Solanum tuberosum. Plant Sci 69:95-101
    • (1990) Plant Sci , vol.69 , pp. 95-101
    • Pehu, E.1    Gibson, R.W.2    Jones, M.G.K.3    Karp, A.4
  • 30
    • 0028140607 scopus 로고
    • Glycoalkaloid concentration of potato tubers following continuous illumination
    • Percival G, Dixon G, Sword A (1994) Glycoalkaloid concentration of potato tubers following continuous illumination. J Sci Food Agric 66:139-144
    • (1994) J Sci Food Agric , vol.66 , pp. 139-144
    • Percival, G.1    Dixon, G.2    Sword, A.3
  • 31
    • 0031792692 scopus 로고    scopus 로고
    • Influence of light enhanced glycoalkaloids on resistance of potato tubers to Fusarium sulphureum and Fusarium solani var. coeruleum
    • Percival GC, Karim MS, Dixon GR (1998) Influence of light enhanced glycoalkaloids on resistance of potato tubers to Fusarium sulphureum and Fusarium solani var. coeruleum. Plant Pathol 47:665-670
    • (1998) Plant Pathol , vol.47 , pp. 665-670
    • Percival, G.C.1    Karim, M.S.2    Dixon, G.R.3
  • 32
    • 0033731608 scopus 로고    scopus 로고
    • Leptine glycoalkaloids reduce feeding by Colorado potato beetle in diploid Solanum sp hybrids
    • Rangarajan A, Miller AR, Veilleux RE (2000) Leptine glycoalkaloids reduce feeding by Colorado potato beetle in diploid Solanum sp hybrids. J Am Soc Hortic Sci 125:689-693
    • (2000) J Am Soc Hortic Sci , vol.125 , pp. 689-693
    • Rangarajan, A.1    Miller, A.R.2    Veilleux, R.E.3
  • 33
    • 0000733041 scopus 로고
    • Anatomy and compositional variation within potatoes 1. Developmental histology of the tuber
    • Reeve RM, Hautala E, Weaver ML (1969) Anatomy and compositional variation within potatoes 1. Developmental histology of the tuber. Am Potato J 46:361-373
    • (1969) Am Potato J , vol.46 , pp. 361-373
    • Reeve, R.M.1    Hautala, E.2    Weaver, M.L.3
  • 34
    • 0028250969 scopus 로고
    • Identification of somatic hybrids of dihaploid Solanum tuberosum lines and S. brevidens by species specific RAPD patterns and assessment of disease resistance of the hybrids
    • Rokka V-M, Xu Y-S, Kankila J, Kuusela A, Pulli S, Pehu E (1994) Identification of somatic hybrids of dihaploid Solanum tuberosum lines and S. brevidens by species specific RAPD patterns and assessment of disease resistance of the hybrids. Euphytica 80:207
    • (1994) Euphytica , vol.80 , pp. 207
    • Rokka, V.-M.1    Xu, Y.-S.2    Kankila, J.3    Kuusela, A.4    Pulli, S.5    Pehu, E.6
  • 36
    • 0000929274 scopus 로고
    • Glycoalkaloid contents in tubers from Solanum tuberosum populations selected for potato leafhopper resistance
    • Sanford LL, Deahl KL, Sinden SL, Ladd TL (1992) Glycoalkaloid contents in tubers from Solanum tuberosum populations selected for potato leafhopper resistance. Am Potato J 69:693-703
    • (1992) Am Potato J , vol.69 , pp. 693-703
    • Sanford, L.L.1    Deahl, K.L.2    Sinden, S.L.3    Ladd, T.L.4
  • 37
    • 0031057351 scopus 로고    scopus 로고
    • Diploid and tetraploid Solanum chacoense genotypes that synthesize leptine glycoalkaloids and deter feeding by Colorado potato beetle
    • Sanford LL, Kobayashi RS, Deahl KL, Sinden SL (1997) Diploid and tetraploid Solanum chacoense genotypes that synthesize leptine glycoalkaloids and deter feeding by Colorado potato beetle. Am Potato J 74:15-21
    • (1997) Am Potato J , vol.74 , pp. 15-21
    • Sanford, L.L.1    Kobayashi, R.S.2    Deahl, K.L.3    Sinden, S.L.4
  • 38
    • 0000406954 scopus 로고
    • Incorporation of C-14 from acetate and mevalonate into rishitin and steroid glycoalkaloids by potato tuber slices inoculated with Phytophthora infestans
    • Shih M, Kuc J (1973) Incorporation of C-14 from acetate and mevalonate into rishitin and steroid glycoalkaloids by potato tuber slices inoculated with Phytophthora infestans. Phytopathology 63:826-829
    • (1973) Phytopathology , vol.63 , pp. 826-829
    • Shih, M.1    Kuc, J.2
  • 39
    • 0001255094 scopus 로고
    • Segregation leptine glycoalkaloids in Solanum chacoense bitter
    • Sinden SL, Sanford LL, Deahl KL (1986) Segregation leptine glycoalkaloids in Solanum chacoense bitter. J Agric Food Chem 34:372-377
    • (1986) J Agric Food Chem , vol.34 , pp. 372-377
    • Sinden, S.L.1    Sanford, L.L.2    Deahl, K.L.3
  • 40
    • 0000502592 scopus 로고
    • Bioassay of segregating plants. a strategy for studying chemical defence
    • Sinden SL, Sanford LL, Cantelo WW, Deahl KL (1988) Bioassay of segregating plants. A strategy for studying chemical defence. J Chem Ecol 14:1941-1950
    • (1988) J Chem Ecol , vol.14 , pp. 1941-1950
    • Sinden, S.L.1    Sanford, L.L.2    Cantelo, W.W.3    Deahl, K.L.4
  • 42
    • 0000680744 scopus 로고
    • Involvement of 3-hydroxy-3-methylglutaryl coenzyme-A reductase in the regulation of sesquiterpenoid phytoalexin synthesis in potato
    • Stermer BA, Bostock RM (1987) Involvement of 3-hydroxy-3-methylglutaryl coenzyme-A reductase in the regulation of sesquiterpenoid phytoalexin synthesis in potato. Plant Physiol 84:404-408
    • (1987) Plant Physiol , vol.84 , pp. 404-408
    • Stermer, B.A.1    Bostock, R.M.2
  • 43
    • 0028289750 scopus 로고
    • Regulation of HMG-CoA reductase activity in plants
    • Stermer BA, Bianchini GM, Korth KL (1994) Regulation of HMG-CoA reductase activity in plants. J Lipid Res 35:1133-1140
    • (1994) J Lipid Res , vol.35 , pp. 1133-1140
    • Stermer, B.A.1    Bianchini, G.M.2    Korth, K.L.3
  • 44
    • 45549110712 scopus 로고
    • Coordinated inhibition of squalene synthetase and induction of enzymes of sesquiterpenoid phytoalexin biosynthesis in cultures of Nicotiana tabacum
    • Threlfall DR, Whitehead IM (1988) Coordinated inhibition of squalene synthetase and induction of enzymes of sesquiterpenoid phytoalexin biosynthesis in cultures of Nicotiana tabacum. Phytochemistry 27:2567-2580
    • (1988) Phytochemistry , vol.27 , pp. 2567-2580
    • Threlfall, D.R.1    Whitehead, I.M.2
  • 46
    • 0031829326 scopus 로고    scopus 로고
    • Hybrid breakdown in the F-1, between Solanum chacoense and S. phureja and gene transfer for leptine biosynthesis
    • Veilleux RE, Miller AR (1998) Hybrid breakdown in the F-1, between Solanum chacoense and S. phureja and gene transfer for leptine biosynthesis. J Am Soc Hortic Sci 123:854-858
    • (1998) J Am Soc Hortic Sci , vol.123 , pp. 854-858
    • Veilleux, R.E.1    Miller, A.R.2
  • 47
    • 0001328602 scopus 로고
    • Induction of sesquiterpene cyclase and suppression of squalene synthetase activities in plant cell cultures treated with fungal elicitor
    • Vogeli U, Chappell J (1988) Induction of sesquiterpene cyclase and suppression of squalene synthetase activities in plant cell cultures treated with fungal elicitor. Plant Physiol 88:1291-1296
    • (1988) Plant Physiol , vol.88 , pp. 1291-1296
    • Vogeli, U.1    Chappell, J.2
  • 48
    • 0026134666 scopus 로고
    • Differential activation of potato 3-hydroxy-3-methylglutaryl coenzyme-A reductase genes by wounding and pathogen challenge
    • Yang ZB, Park HS, Lacy GH, Cramer CL (1991) Differential activation of potato 3-hydroxy-3-methylglutaryl coenzyme-A reductase genes by wounding and pathogen challenge. Plant Cell 3:397-405
    • (1991) Plant Cell , vol.3 , pp. 397-405
    • Yang, Z.B.1    Park, H.S.2    Lacy, G.H.3    Cramer, C.L.4
  • 49
    • 0033200184 scopus 로고    scopus 로고
    • CDNA cloning of sesquiterpene cyclase and squalene synthase, and expression of the genes in potato tuber infected with Phytophthora infestans
    • Yoshioka H, Yamada N, Doke N (1999) cDNA cloning of sesquiterpene cyclase and squalene synthase, and expression of the genes in potato tuber infected with Phytophthora infestans. Plant Cell Physiol 40:993-998
    • (1999) Plant Cell Physiol , vol.40 , pp. 993-998
    • Yoshioka, H.1    Yamada, N.2    Doke, N.3
  • 50
    • 0000181003 scopus 로고
    • Induction of sesquiterpene cyclase and suppression of squalene synthetase activity in elicitor treated or fungal infected potato tuber tissue
    • Zook MN, Kuc JA (1991) Induction of sesquiterpene cyclase and suppression of squalene synthetase activity in elicitor treated or fungal infected potato tuber tissue. Physiol Mol Plant Pathol 39:377-390
    • (1991) Physiol Mol Plant Pathol , vol.39 , pp. 377-390
    • Zook, M.N.1    Kuc, J.A.2


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