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Volumn 25, Issue 13, 2011, Pages 1439-1450

Stem cell activation by light guides plant organogenesis

Author keywords

Auxin; Cytokinin; Light signaling; Organ initiation; Shoot apical meristem; Stem cells

Indexed keywords

AUXIN; CYTOKININ; PEPTIDYLPROLYL ISOMERASE PIN1;

EID: 79959961285     PISSN: 08909369     EISSN: 15495477     Source Type: Journal    
DOI: 10.1101/gad.631211     Document Type: Article
Times cited : (130)

References (71)
  • 1
    • 79959918078 scopus 로고
    • On leaf arrangement
    • Airy H. 1873. On leaf arrangement. Proc R Soc Lond 22: 298-307.
    • (1873) Proc R Soc Lond , vol.22 , pp. 298-307
    • Airy, H.1
  • 2
    • 68249116328 scopus 로고    scopus 로고
    • Environmental perception avenues: The interaction of cytokinin and environmental response pathways
    • Argueso CT, Ferreira FJ, Kieber JJ. 2009. Environmental perception avenues: the interaction of cytokinin and environmental response pathways. Plant Cell Environ 32: 1147-1160.
    • (2009) Plant Cell Environ , vol.32 , pp. 1147-1160
    • Argueso, C.T.1    Ferreira, F.J.2    Kieber, J.J.3
  • 4
    • 0017606989 scopus 로고
    • Photoregulation of the ratio of ester to free indole-3-acetic acid
    • Bandurski RS, Schulze A, Cohen JD. 1977. Photoregulation of the ratio of ester to free indole-3-acetic acid. Biochem Biophys Res Commun 79: 1219-1223.
    • (1977) Biochem Biophys Res Commun , vol.79 , pp. 1219-1223
    • Bandurski, R.S.1    Schulze, A.2    Cohen, J.D.3
  • 6
    • 0001852603 scopus 로고
    • Indole-3-acetic acid levels after phytochrome-mediated changes in the stem elongation rate of dark- and light-grown Pisum seedlings
    • Behringer FJ, Davies PJ. 1992. Indole-3-acetic acid levels after phytochrome-mediated changes in the stem elongation rate of dark- and light-grown Pisum seedlings. Planta 188: 85-92.
    • (1992) Planta , vol.188 , pp. 85-92
    • Behringer, F.J.1    Davies, P.J.2
  • 7
    • 24744440280 scopus 로고    scopus 로고
    • A physiological overview of the genetics of flowering time control
    • Bernier G, Périlleux C. 2005. A physiological overview of the genetics of flowering time control. Plant Biotechnol J 3: 3-16.
    • (2005) Plant Biotechnol J , vol.3 , pp. 3-16
    • Bernier, G.1    Périlleux, C.2
  • 8
    • 34547620311 scopus 로고    scopus 로고
    • Canopy shade causes a rapid and transient arrest in leaf development through auxin-induced cytokinin oxidase activity
    • Carabelli M, Possenti M, Sessa G, Ciolfi A, Sassi M, Morelli G, Ruberti I. 2007. Canopy shade causes a rapid and transient arrest in leaf development through auxin-induced cytokinin oxidase activity. Genes Dev 21: 1863-1868.
    • (2007) Genes Dev , vol.21 , pp. 1863-1868
    • Carabelli, M.1    Possenti, M.2    Sessa, G.3    Ciolfi, A.4    Sassi, M.5    Morelli, G.6    Ruberti, I.7
  • 9
    • 0041694060 scopus 로고    scopus 로고
    • Shoot apical meristem maintenance: The art of a dynamic balance
    • Carles CC, Fletcher JC. 2003. Shoot apical meristem maintenance: the art of a dynamic balance. Trends Plant Sci 8: 394-401.
    • (2003) Trends Plant Sci , vol.8 , pp. 394-401
    • Carles, C.C.1    Fletcher, J.C.2
  • 10
    • 0027131151 scopus 로고
    • Amp1-a mutant with high cytokinin levels and altered embryonic pattern, faster vegetative growth, constitutive photomorphogenesis and precocious flowering
    • Chaudhury AM, Letham S, Craig S, Dennis ES. 1993. amp1-a mutant with high cytokinin levels and altered embryonic pattern, faster vegetative growth, constitutive photomorphogenesis and precocious flowering. Plant J 4: 907-916.
    • (1993) Plant J , vol.4 , pp. 907-916
    • Chaudhury, A.M.1    Letham, S.2    Craig, S.3    Dennis, E.S.4
  • 11
    • 0028042517 scopus 로고
    • A role for cytokinins in de-etiolation in Arabidopsis (det mutants have an altered response to cytokinins)
    • Chory J, Reinecke D, Sim S, Washburn T, Brenner M. 1994. A role for cytokinins in de-etiolation in Arabidopsis (det mutants have an altered response to cytokinins). Plant Physiol 104: 339-347.
    • (1994) Plant Physiol , vol.104 , pp. 339-347
    • Chory, J.1    Reinecke, D.2    Sim, S.3    Washburn, T.4    Brenner, M.5
  • 14
    • 0030911702 scopus 로고    scopus 로고
    • Induction of leaf primordia by the cell wall protein expansin
    • Fleming AJ, McQueen-Mason S, Mandel T, Kuhlemeier C. 1997. Induction of leaf primordia by the cell wall protein expansin. Science 276: 1415-1418.
    • (1997) Science , vol.276 , pp. 1415-1418
    • Fleming, A.J.1    Mcqueen-Mason, S.2    Mandel, T.3    Kuhlemeier, C.4
  • 17
    • 4344652202 scopus 로고    scopus 로고
    • Control of phyllotaxy by the cytokinin-inducible response regulator homologue ABPHYL1
    • Giulini A, Wang J, Jackson D. 2004. Control of phyllotaxy by the cytokinin-inducible response regulator homologue ABPHYL1. Nature 430: 1031-1034.
    • (2004) Nature , vol.430 , pp. 1031-1034
    • Giulini, A.1    Wang, J.2    Jackson, D.3
  • 18
    • 70349488727 scopus 로고    scopus 로고
    • Multiple feedback loops through cytokinin signaling control stem cell number within the Arabidopsis shoot meristem
    • Gordon SP, Chickarmane VS, Ohno C, Meyerowitz EM. 2009. Multiple feedback loops through cytokinin signaling control stem cell number within the Arabidopsis shoot meristem. Proc Natl Acad Sci 106: 16529-16534.
    • (2009) Proc Natl Acad Sci , vol.106 , pp. 16529-16534
    • Gordon, S.P.1    Chickarmane, V.S.2    Ohno, C.3    Meyerowitz, E.M.4
  • 19
    • 0842334769 scopus 로고    scopus 로고
    • In vivo analysis of cell division, cell growth, and differentiation at the shoot apical meristem in Arabidopsis
    • Grandjean O, Vernoux T, Laufs P, Belcram K, Mizukami Y, Traas J. 2004. In vivo analysis of cell division, cell growth, and differentiation at the shoot apical meristem in Arabidopsis. Plant Cell 16: 74-87.
    • (2004) Plant Cell , vol.16 , pp. 74-87
    • Grandjean, O.1    Vernoux, T.2    Laufs, P.3    Belcram, K.4    Mizukami, Y.5    Traas, J.6
  • 20
    • 23444436730 scopus 로고    scopus 로고
    • The effect of norflurazon on protein composition and chlorophyll organization in pigment protein complex of Photosystem II
    • Guseinova IM, Suleimanov SY, Aliyev JA. 2005. The effect of norflurazon on protein composition and chlorophyll organization in pigment protein complex of Photosystem II. Photosynth Res 84: 71-76.
    • (2005) Photosynth Res , vol.84 , pp. 71-76
    • Guseinova, I.M.1    Suleimanov, S.Y.2    Aliyev, J.A.3
  • 23
    • 27644549049 scopus 로고    scopus 로고
    • Patterns of auxin transport and gene expression during primordium development revealed by live imaging of the Arabidopsis inflorescence meristem
    • Heisler MG, Ohno C, Das P, Sieber P, Reddy GV, Long JA, Meyerowitz EM. 2005. Patterns of auxin transport and gene expression during primordium development revealed by live imaging of the Arabidopsis inflorescence meristem. Curr Biol 15: 1899-1911.
    • (2005) Curr Biol , vol.15 , pp. 1899-1911
    • Heisler, M.G.1    Ohno, C.2    Das, P.3    Sieber, P.4    Reddy, G.V.5    Long, J.A.6    Meyerowitz, E.M.7
  • 24
    • 78149401660 scopus 로고    scopus 로고
    • Alignment between PIN1 polarity and microtubule orientation in the shoot apical meristem reveals a tight coupling between morphogenesis and auxin transport
    • doi: 10.1371/journal.pbio.1000516
    • Heisler MG, Hamant O, Krupinski P, Uyttewaal M, Ohno C, Jönsson H, Traas J, Meyerowitz EM. 2010. Alignment between PIN1 polarity and microtubule orientation in the shoot apical meristem reveals a tight coupling between morphogenesis and auxin transport. PLoS Biol 8: e1000516. doi: 10.1371/journal.pbio.1000516.
    • (2010) PLoS Biol , vol.8
    • Heisler, M.G.1    Hamant, O.2    Krupinski, P.3    Uyttewaal, M.4    Ohno, C.5    Jönsson, H.6    Traas, J.7    Meyerowitz, E.M.8
  • 26
    • 33847042609 scopus 로고    scopus 로고
    • Light-regulated transcriptional networks in higher plants
    • Jiao Y, Lau OS, Deng XW. 2007. Light-regulated transcriptional networks in higher plants. Nat Rev Genet 8: 217-230.
    • (2007) Nat Rev Genet , vol.8 , pp. 217-230
    • Jiao, Y.1    Lau, O.S.2    Deng, X.W.3
  • 27
    • 0026411490 scopus 로고
    • Red light-regulated growth. I. Changes in the abundance of indoleacetic acid and a 22-kilodalton auxin-binding protein in the maize mesocotyl
    • Jones AM, Cochran DS, Lamerson PM, Evans ML, Cohen JD. 1991. Red light-regulated growth. I. Changes in the abundance of indoleacetic acid and a 22-kilodalton auxin-binding protein in the maize mesocotyl. Plant Physiol 97: 352-358.
    • (1991) Plant Physiol , vol.97 , pp. 352-358
    • Jones, A.M.1    Cochran, D.S.2    Lamerson, P.M.3    Evans, M.L.4    Cohen, J.D.5
  • 31
    • 45149107754 scopus 로고    scopus 로고
    • Light plays an essential role in intracellular distribution of auxin efflux carrier PIN2 in Arabidopsis thaliana
    • doi: 10.1371/journal.pone.0001510
    • Laxmi A, Pan J, Morsy M, Chen R. 2008. Light plays an essential role in intracellular distribution of auxin efflux carrier PIN2 in Arabidopsis thaliana. PLoS ONE 3: e1510. doi: 10.1371/journal.pone.0001510.
    • (2008) PLoS ONE , vol.3
    • Laxmi, A.1    Pan, J.2    Morsy, M.3    Chen, R.4
  • 32
    • 66149093008 scopus 로고    scopus 로고
    • Studies of aberrant phyllotaxy1 mutants of maize indicate complex interactions between auxin and cytokinin signaling in the shoot apical meristem
    • Lee B-H, Johnston R, Yang Y, Gallavotti A, Kojima M, Travencolo BAN, Costa LF, Sakakibara H, Jackson D. 2009. Studies of aberrant phyllotaxy1 mutants of maize indicate complex interactions between auxin and cytokinin signaling in the shoot apical meristem. Plant Physiol 150: 205-216.
    • (2009) Plant Physiol , vol.150 , pp. 205-216
    • Lee, B.-H.1    Johnston, R.2    Yang, Y.3    Gallavotti, A.4    Kojima, M.5    Travencolo, B.A.N.6    Costa, L.F.7    Sakakibara, H.8    Jackson, D.9
  • 34
    • 0042093777 scopus 로고    scopus 로고
    • Stem cell homeostasis in the Arabidopsis shoot meristem is regulated by intercellular movement of CLAVATA3 and its sequestration by CLAVATA1
    • Lenhard M, Laux T. 2003. Stem cell homeostasis in the Arabidopsis shoot meristem is regulated by intercellular movement of CLAVATA3 and its sequestration by CLAVATA1. Development 130: 3163-3173.
    • (2003) Development , vol.130 , pp. 3163-3173
    • Lenhard, M.1    Laux, T.2
  • 37
    • 84970549203 scopus 로고
    • Effects of light and darkness on the growth of peas
    • Low VHK. 1970. Effects of light and darkness on the growth of peas. Aust J Biol Sci 24: 187-195.
    • (1970) Aust J Biol Sci , vol.24 , pp. 187-195
    • Low, V.H.K.1
  • 38
    • 0035542770 scopus 로고    scopus 로고
    • Light control of Arabidopsis development entails coordinated regulation of genome expression and cellular pathways
    • Ma L, Li J, Qu L, Hager J, Chen Z, Zhao H, Deng XW. 2001. Light control of Arabidopsis development entails coordinated regulation of genome expression and cellular pathways. Plant Cell 13: 2589-2607.
    • (2001) Plant Cell , vol.13 , pp. 2589-2607
    • Ma, L.1    Li, J.2    Qu, L.3    Hager, J.4    Chen, Z.5    Zhao, H.6    Deng, X.W.7
  • 39
    • 0343547170 scopus 로고
    • Vessel element formation in cultured carrot-root phloem slices
    • Mizuno K, Komamine A, Shimokoriyama M. 1971. Vessel element formation in cultured carrot-root phloem slices. Plant Cell Physiol 12: 823-830.
    • (1971) Plant Cell Physiol , vol.12 , pp. 823-830
    • Mizuno, K.1    Komamine, A.2    Shimokoriyama, M.3
  • 40
    • 0032567502 scopus 로고    scopus 로고
    • Single point mutations distributed in 10 soluble and membrane regions of the Nicotiana plumbaginifolia plasma membrane PMA2 H+-ATPase activate the enzyme and modify the structure of the C-terminal region
    • Morsomme P, Dambly S, Maudoux O, Boutry M. 1998. Single point mutations distributed in 10 soluble and membrane regions of the Nicotiana plumbaginifolia plasma membrane PMA2 H+-ATPase activate the enzyme and modify the structure of the C-terminal region. J Biol Chem 273: 34837-34842.
    • (1998) J Biol Chem , vol.273 , pp. 34837-34842
    • Morsomme, P.1    Dambly, S.2    Maudoux, O.3    Boutry, M.4
  • 41
    • 45749109424 scopus 로고    scopus 로고
    • Cytokinin and auxin interaction in root stem-cell specification during early embryogenesis
    • Müller B, Sheen J. 2008. Cytokinin and auxin interaction in root stem-cell specification during early embryogenesis. Nature 453: 1094-1097.
    • (2008) Nature , vol.453 , pp. 1094-1097
    • Müller, B.1    Sheen, J.2
  • 42
    • 18444418296 scopus 로고    scopus 로고
    • The tomato photomorphogenetic mutant, aurea, is deficient in phytochromobilin synthase for phytochrome chromophore biosynthesis
    • Muramoto T, Kami C, Kataoka H, Iwata N, Linley PJ, Mukougawa K, Yokota A, Kohchi T. 2005. The tomato photomorphogenetic mutant, aurea, is deficient in phytochromobilin synthase for phytochrome chromophore biosynthesis. Plant Cell Physiol 46: 661-665.
    • (2005) Plant Cell Physiol , vol.46 , pp. 661-665
    • Muramoto, T.1    Kami, C.2    Kataoka, H.3    Iwata, N.4    Linley, P.J.5    Mukougawa, K.6    Yokota, A.7    Kohchi, T.8
  • 43
    • 0000927158 scopus 로고
    • Requirement of the auxin polar transport-system in early stages of Arabidopsis floral bud formation
    • Okada K, Ueda J, Komaki MK, Bell CJ, Shimura Y. 1991. Requirement of the auxin polar transport-system in early stages of Arabidopsis floral bud formation. Plant Cell 3: 677-684.
    • (1991) Plant Cell , vol.3 , pp. 677-684
    • Okada, K.1    Ueda, J.2    Komaki, M.K.3    Bell, C.J.4    Shimura, Y.5
  • 44
    • 0034526687 scopus 로고    scopus 로고
    • Mechanisms that control knox gene expression in the Arabidopsis shoot
    • Ori N, Eshed Y, Chuck G, Bowman JL, Hake S. 2000. Mechanisms that control knox gene expression in the Arabidopsis shoot. Development 127: 5523-5532.
    • (2000) Development , vol.127 , pp. 5523-5532
    • Ori, N.1    Eshed, Y.2    Chuck, G.3    Bowman, J.L.4    Hake, S.5
  • 46
    • 0141785633 scopus 로고
    • Rapid effects of red light on the isopentenyladenosine content in Scots pine seeds
    • Qamaruddin M, Tillberg E. 1989. Rapid effects of red light on the isopentenyladenosine content in Scots pine seeds. Plant Physiol 91: 5-8.
    • (1989) Plant Physiol , vol.91 , pp. 5-8
    • Qamaruddin, M.1    Tillberg, E.2
  • 47
    • 4644229971 scopus 로고    scopus 로고
    • Real-time lineage analysis reveals oriented cell divisions associated with morphogenesis at the shoot apex of Arabidopsis thaliana
    • Reddy GV, Heisler MG, Ehrhardt DW, Meyerowitz EM. 2004. Real-time lineage analysis reveals oriented cell divisions associated with morphogenesis at the shoot apex of Arabidopsis thaliana. Development 131: 4225-4237.
    • (2004) Development , vol.131 , pp. 4225-4237
    • Reddy, G.V.1    Heisler, M.G.2    Ehrhardt, D.W.3    Meyerowitz, E.M.4
  • 48
    • 0034020523 scopus 로고    scopus 로고
    • Auxin regulates the initiation and radial position of plant lateral organs
    • Reinhardt D, Mandel T, Kuhlemeier C. 2000. Auxin regulates the initiation and radial position of plant lateral organs. Plant Cell 12: 507-518.
    • (2000) Plant Cell , vol.12 , pp. 507-518
    • Reinhardt, D.1    Mandel, T.2    Kuhlemeier, C.3
  • 50
    • 70449672357 scopus 로고    scopus 로고
    • Signaling pathways maintaining stem cells at the plant shoot apex
    • Rieu I, Laux T. 2009. Signaling pathways maintaining stem cells at the plant shoot apex. Semin Cell Dev Biol 20: 1083-1088.
    • (2009) Semin Cell Dev Biol , vol.20 , pp. 1083-1088
    • Rieu, I.1    Laux, T.2
  • 51
    • 78751572900 scopus 로고    scopus 로고
    • Plant stem cell niches: From signalling to execution
    • Sablowski R. 2011. Plant stem cell niches: from signalling to execution. Curr Opin Plant Biol 14: 4-9.
    • (2011) Curr Opin Plant Biol , vol.14 , pp. 4-9
    • Sablowski, R.1
  • 52
    • 34247361224 scopus 로고    scopus 로고
    • Phytochrome coordinates Arabidopsis shoot and root development
    • Salisbury FJ, Hall A, Grierson CS, Halliday KJ. 2007. Phytochrome coordinates Arabidopsis shoot and root development. Plant J 50: 429-438.
    • (2007) Plant J , vol.50 , pp. 429-438
    • Salisbury, F.J.1    Hall, A.2    Grierson, C.S.3    Halliday, K.J.4
  • 53
    • 33645892291 scopus 로고    scopus 로고
    • Control of leaf vascular patterning by polar auxin transport
    • Scarpella E, Marcos D, Friml J, Berleth T. 2006. Control of leaf vascular patterning by polar auxin transport. Genes Dev 20: 1015-1027.
    • (2006) Genes Dev , vol.20 , pp. 1015-1027
    • Scarpella, E.1    Marcos, D.2    Friml, J.3    Berleth, T.4
  • 55
    • 75649122586 scopus 로고    scopus 로고
    • Auxin response in Arabidopsis under cold stress: Underlying molecular mechanisms
    • Shibasaki K, Uemura M, Tsurumi S, Rahman A. 2009. Auxin response in Arabidopsis under cold stress: underlying molecular mechanisms. Plant Cell 21: 3823-3838.
    • (2009) Plant Cell , vol.21 , pp. 3823-3838
    • Shibasaki, K.1    Uemura, M.2    Tsurumi, S.3    Rahman, A.4
  • 61
    • 44949113265 scopus 로고    scopus 로고
    • Regulation and identity of florigen: FLOWERING LOCUS T moves center stage
    • Turck F, Fornara F, Coupland G. 2008. Regulation and identity of florigen: FLOWERING LOCUS T moves center stage. Annu Rev Plant Biol 59: 573-594.
    • (2008) Annu Rev Plant Biol , vol.59 , pp. 573-594
    • Turck, F.1    Fornara, F.2    Coupland, G.3
  • 62
    • 33846454356 scopus 로고    scopus 로고
    • HY5 is a point of convergence between cryptochrome and cytokinin signalling pathways in Arabidopsis thaliana
    • Vandenbussche F, Habricot Y, Condiff AS, Maldiney Rg, Straeten DVD, Ahmad M. 2007. HY5 is a point of convergence between cryptochrome and cytokinin signalling pathways in Arabidopsis thaliana. Plant J 49: 428-441.
    • (2007) Plant J , vol.49 , pp. 428-441
    • Vandenbussche, F.1    Habricot, Y.2    Condiff, A.S.3    Rg, M.4    Straeten, D.V.D.5    Ahmad, M.6
  • 64
    • 34547781340 scopus 로고    scopus 로고
    • AMP1 and MP antagonistically regulate embryo and meristem development in Arabidopsis
    • Vidaurre DP, Ploense S, Krogan NT, Berleth T. 2007. AMP1 and MP antagonistically regulate embryo and meristem development in Arabidopsis. Development 134: 2561-2567.
    • (2007) Development , vol.134 , pp. 2561-2567
    • Vidaurre, D.P.1    Ploense, S.2    Krogan, N.T.3    Berleth, T.4
  • 65
    • 0345445907 scopus 로고    scopus 로고
    • Cytokinin-deficient transgenic Arabidopsis plants show multiple developmental alterations indicating opposite functions of cytokinins in the regulation of shoot and root meristem activity
    • Werner T, Motyka V, Laucou V, Smets R, Van Onckelen H, Schmulling T. 2003. Cytokinin-deficient transgenic Arabidopsis plants show multiple developmental alterations indicating opposite functions of cytokinins in the regulation of shoot and root meristem activity. Plant Cell 15: 2532-2550.
    • (2003) Plant Cell , vol.15 , pp. 2532-2550
    • Werner, T.1    Motyka, V.2    Laucou, V.3    Smets, R.4    van Onckelen, H.5    Schmulling, T.6
  • 66
    • 67349209553 scopus 로고    scopus 로고
    • Survival of the flexible: Hormonal growth control and adaptation in plant development
    • Wolters H, Jurgens G. 2009. Survival of the flexible: hormonal growth control and adaptation in plant development. Nat Rev Genet 10: 305-317.
    • (2009) Nat Rev Genet , vol.10 , pp. 305-317
    • Wolters, H.1    Jurgens, G.2
  • 67
    • 63849261018 scopus 로고    scopus 로고
    • Gene expression map of the Arabidopsis shoot apical meristem stem cell niche
    • Yadav RK, Girke T, Pasala S, Xie M, Reddy GV. 2009. Gene expression map of the Arabidopsis shoot apical meristem stem cell niche. Proc Natl Acad Sci 106: 4941-4946.
    • (2009) Proc Natl Acad Sci , vol.106 , pp. 4941-4946
    • Yadav, R.K.1    Girke, T.2    Pasala, S.3    Xie, M.4    Reddy, G.V.5
  • 69
    • 0001522449 scopus 로고
    • Physiology of flower formation
    • Zeevaart JAD. 1976. Physiology of flower formation. Annu Rev Plant Physiol 27: 321-348.
    • (1976) Annu Rev Plant Physiol , vol.27 , pp. 321-348
    • Zeevaart, J.A.D.1
  • 71
    • 33744482538 scopus 로고    scopus 로고
    • Cytokinin affects circadian-clock oscillation in a phytochrome B and Arabidopsis response regulator 4-dependent manner
    • Zheng B, Deng Y, Mu J, Ji Z, Xiang T, Niu Q-W, Chua N-H, Zuo J. 2006. Cytokinin affects circadian-clock oscillation in a phytochrome B and Arabidopsis response regulator 4-dependent manner. Physiol Plant 127: 277-292.
    • (2006) Physiol Plant , vol.127 , pp. 277-292
    • Zheng, B.1    Deng, Y.2    Mu, J.3    Ji, Z.4    Xiang, T.5    Niu, Q.-W.6    Chua, N.-H.7    Zuo, J.8


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