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Volumn 63, Issue 12, 2012, Pages 4349-4358

The enhancement of cyclic electron flow around photosystem i improves the recovery of severely desiccated Porphyra yezoensis (Bangiales, Rhodophyta)

Author keywords

Cyclic electron flow; Desiccation; Photosystem I; Porphyra yezoensis

Indexed keywords

2,5 DIBROMO 6 ISOPROPYL 3 METHYLBENZOQUINONE; CHLOROPHYLL; DIURON; HERBICIDE; WATER;

EID: 84866677990     PISSN: 00220957     EISSN: 14602431     Source Type: Journal    
DOI: 10.1093/jxb/ers082     Document Type: Article
Times cited : (95)

References (57)
  • 1
    • 0001357053 scopus 로고
    • Photosynthesis by isolated chloroplasts
    • Arnon DI, Allen MB, Whatley FR. 1954. Photosynthesis by isolated chloroplasts. Nature 174, 394-396.
    • (1954) Nature , vol.174 , pp. 394-396
    • Arnon, D.I.1    Allen, M.B.2    Whatley, F.R.3
  • 2
    • 0014194248 scopus 로고
    • Ferredoxin and photosynthetic phosphorylation
    • Arnon DI, Tsujimoto HY, McSwain BD. 1967. Ferredoxin and photosynthetic phosphorylation. Nature 214, 562-566.
    • (1967) Nature , vol.214 , pp. 562-566
    • Arnon, D.I.1    Tsujimoto, H.Y.2    McSwain, B.D.3
  • 3
    • 0000967678 scopus 로고
    • Pool size of electrons that can be donated to P700, as determined in intact leaves: Donation to P700+ from stromal components via the intersystem chain
    • Asada K, Heber U, Schreiber U. 1992. Pool size of electrons that can be donated to P700, as determined in intact leaves: donation to P700+ from stromal components via the intersystem chain. Plant and Cell Physiology 33, 927-932.
    • (1992) Plant and Cell Physiology , vol.33 , pp. 927-932
    • Asada, K.1    Heber, U.2    Schreiber, U.3
  • 4
    • 2142748711 scopus 로고
    • Electron flow to the intersystem chain stromal components cyclic electron flow in maize chloroplasts, as detected in intact leaves by monitoring redox change of P700 and chlorophyll fluorescence
    • Asada K, Heber U, Schreiber U. 1993. Electron flow to the intersystem chain stromal components cyclic electron flow in maize chloroplasts, as detected in intact leaves by monitoring redox change of P700 and chlorophyll fluorescence. Plant and Cell Physiology 34, 39-50.
    • (1993) Plant and Cell Physiology , vol.34 , pp. 39-50
    • Asada, K.1    Heber, U.2    Schreiber, U.3
  • 5
    • 0034489681 scopus 로고    scopus 로고
    • Electron acceptors in isolated intact spinach chloroplasts act hierarchally to prevent over-reduction and competition for electrons
    • Backhausen JE, Kitzmann C, Horton P, Scheibe R. 2000. Electron acceptors in isolated intact spinach chloroplasts act hierarchally to prevent over-reduction and competition for electrons. Photosynthesis Research 64, 1-13.
    • (2000) Photosynthesis Research , vol.64 , pp. 1-13
    • Backhausen, J.E.1    Kitzmann, C.2    Horton, P.3    Scheibe, R.4
  • 7
    • 4544230073 scopus 로고    scopus 로고
    • Alternative photosystem I-driven electron transport routes: Mechanisms and functions
    • Bukhov N, Carpentier R. 2004. Alternative photosystem I-driven electron transport routes: mechanisms and functions. Photosynthesis Research 82, 17-33.
    • (2004) Photosynthesis Research , vol.82 , pp. 17-33
    • Bukhov, N.1    Carpentier, R.2
  • 8
    • 0347296417 scopus 로고    scopus 로고
    • Electron flow to photosystem i from stromal reductants in vivo: The size of the pool of stromal reductants controls the rate of electron donation to both rapidly and slowly reducing photosystem i units
    • Bukhov N, Egorova E, Carpentier R. 2002. Electron flow to photosystem I from stromal reductants in vivo: the size of the pool of stromal reductants controls the rate of electron donation to both rapidly and slowly reducing photosystem I units. Planta 215, 812-820.
    • (2002) Planta , vol.215 , pp. 812-820
    • Bukhov, N.1    Egorova, E.2    Carpentier, R.3
  • 9
    • 2442483764 scopus 로고    scopus 로고
    • Recovery of photosystem i and II activities during re-hydration of lichen Hypogymnia physodes thalli
    • Bukhov NG, Govindachary S, Egorova EA, Carpentier R. 2004. Recovery of photosystem I and II activities during re-hydration of lichen Hypogymnia physodes thalli. Planta 219, 110-120.
    • (2004) Planta , vol.219 , pp. 110-120
    • Bukhov, N.G.1    Govindachary, S.2    Egorova, E.A.3    Carpentier, R.4
  • 10
    • 0035470726 scopus 로고    scopus 로고
    • Nonphotosynthetic reduction of the intersystem electron transport chain of chloroplasts following heat stress. The pool size of stromal reductants
    • Bukhov NG, Samson G, Carpentier R. 2001. Nonphotosynthetic reduction of the intersystem electron transport chain of chloroplasts following heat stress. The pool size of stromal reductants. Photochemistry and Photobiology l74, 438-443.
    • (2001) Photochemistry and Photobiology , vol.174 , pp. 438-443
    • Bukhov, N.G.1    Samson, G.2    Carpentier, R.3
  • 11
    • 0001736924 scopus 로고
    • Photoinhibition in Chlamydomonas reinhardtii: Effect on state transitions, intersystem energy distribution, and photosystem i cyclic electron flow
    • Canaani O, Schuster G, Ohad I. 1989. Photoinhibition in Chlamydomonas reinhardtii: effect on state transitions, intersystem energy distribution, and photosystem I cyclic electron flow. Photosynthesis Research 20, 129-146.
    • (1989) Photosynthesis Research , vol.20 , pp. 129-146
    • Canaani, O.1    Schuster, G.2    Ohad, I.3
  • 12
    • 2642542740 scopus 로고
    • The light-dependent modulation of photosynthetic electron transport
    • Carrillo N, Valleios RH. 1983. The light-dependent modulation of photosynthetic electron transport. Trends in Biochemical Sciences 8, 52-56.
    • (1983) Trends in Biochemical Sciences , vol.8 , pp. 52-56
    • Carrillo, N.1    Valleios, R.H.2
  • 13
    • 79952859912 scopus 로고    scopus 로고
    • Tolerance to oxidative stress induced by desiccation in Porphyra columbina (Bangiales, Rhodophyta)
    • Contreras-Porcia L, Thomas D, Flores V, Correa JA. 2011. Tolerance to oxidative stress induced by desiccation in Porphyra columbina (Bangiales, Rhodophyta). Journal of Experimental Botany 62, 1815-1829.
    • (2011) Journal of Experimental Botany , vol.62 , pp. 1815-1829
    • Contreras-Porcia, L.1    Thomas, D.2    Flores, V.3    Correa, J.A.4
  • 15
  • 16
    • 44949215814 scopus 로고    scopus 로고
    • Chloroplastic NAD(P)H dehydrogenase complex and cyclic electron transport around photosystem i
    • Endo T, Ishida S, Ishikawa N, Sato F. 2008. Chloroplastic NAD(P)H dehydrogenase complex and cyclic electron transport around photosystem I. Molecules and Cells 25, 158-162.
    • (2008) Molecules and Cells , vol.25 , pp. 158-162
    • Endo, T.1    Ishida, S.2    Ishikawa, N.3    Sato, F.4
  • 17
    • 0029155158 scopus 로고
    • Quinone binding sites on cytochrome b/c complexes
    • Frank K, Trebst A. 1995. Quinone binding sites on cytochrome b/c complexes. Photochemistry and Photobiology 61, 2-9.
    • (1995) Photochemistry and Photobiology , vol.61 , pp. 2-9
    • Frank, K.1    Trebst, A.2
  • 18
    • 0001953190 scopus 로고
    • Preliminary studies on the photosynthesis and respiration of Porphyra yezoensis under emersed condition
    • Gao KS, Aruga Y. 1987. Preliminary studies on the photosynthesis and respiration of Porphyra yezoensis under emersed condition. Journal of the Tokyo University of Fisheries 47, 51-65.
    • (1987) Journal of the Tokyo University of Fisheries , vol.47 , pp. 51-65
    • Gao, K.S.1    Aruga, Y.2
  • 19
    • 79956118532 scopus 로고    scopus 로고
    • PSIdriven cyclic electron flow allows intertidal macro-algae Ulva sp. (Chlorophyta) to survive in desiccated conditions
    • Gao S, Shen SD, Wang GC, Niu JF, Lin AP, Pan GH. 2011. PSIdriven cyclic electron flow allows intertidal macro-algae Ulva sp. (Chlorophyta) to survive in desiccated conditions. Plant and Cell Physiology 52, 885-893.
    • (2011) Plant and Cell Physiology , vol.52 , pp. 885-893
    • Gao, S.1    Shen, S.D.2    Wang, G.C.3    Niu, J.F.4    Lin, A.P.5    Pan, G.H.6
  • 20
    • 0346038831 scopus 로고    scopus 로고
    • Down-regulation of linear and activation of cyclic electron transport during drought
    • Golding AJ, Johnson JN. 2003. Down-regulation of linear and activation of cyclic electron transport during drought. Planta 218, 107-114.
    • (2003) Planta , vol.218 , pp. 107-114
    • Golding, A.J.1    Johnson, J.N.2
  • 21
    • 34848903280 scopus 로고    scopus 로고
    • Activation of mechanisms of photoprotection by desiccation and by light: Poikilohydric photoautotrophs
    • Heber U, Azarkovich M, Shvalov V. 2007. Activation of mechanisms of photoprotection by desiccation and by light: poikilohydric photoautotrophs. Journal of Experimental Botany 58, 2745-2759.
    • (2007) Journal of Experimental Botany , vol.58 , pp. 2745-2759
    • Heber, U.1    Azarkovich, M.2    Shvalov, V.3
  • 22
    • 23444437816 scopus 로고    scopus 로고
    • Photochemical reactions of chlorophyll in dehydrated photosystem II: Two chlorophyll forms (680 and 700 nm)
    • Heber U, Shuvalov VA. 2005. Photochemical reactions of chlorophyll in dehydrated photosystem II: two chlorophyll forms (680 and 700 nm). Photosynthesis Research 84, 85-91.
    • (2005) Photosynthesis Research , vol.84 , pp. 85-91
    • Heber, U.1    Shuvalov, V.A.2
  • 23
    • 0001391899 scopus 로고
    • Concerning a dual function of coupled cyclic electron transport in leaves
    • Heber U, Walker D. 1992. Concerning a dual function of coupled cyclic electron transport in leaves. Plant Physiology 100, 1621-1626.
    • (1992) Plant Physiology , vol.100 , pp. 1621-1626
    • Heber, U.1    Walker, D.2
  • 24
    • 0001423674 scopus 로고
    • Photoacoustic measurements in vivo of energy storage by cyclic electron flow in algae and higher plants
    • Herbert SK, Fork DC, Malkin S. 1990. Photoacoustic measurements in vivo of energy storage by cyclic electron flow in algae and higher plants. Plant Physiology 94, 926-934.
    • (1990) Plant Physiology , vol.94 , pp. 926-934
    • Herbert, S.K.1    Fork, D.C.2    Malkin, S.3
  • 26
    • 14644406887 scopus 로고    scopus 로고
    • Characterization of photosynthetic electron transport in bundle sheath cells of maize. I. Ascorbate effectively stimulates cyclic electron flow around PSI
    • Ivanov B, Asada K, Kramer DM, Edwards G. 2005. Characterization of photosynthetic electron transport in bundle sheath cells of maize. I. Ascorbate effectively stimulates cyclic electron flow around PSI. Planta 220, 572-581.
    • (2005) Planta , vol.220 , pp. 572-581
    • Ivanov, B.1    Asada, K.2    Kramer, D.M.3    Edwards, G.4
  • 27
    • 77951622488 scopus 로고    scopus 로고
    • Isolation of the elusive supercomplex that drives cyclic electron flow in photosynthesis
    • Iwai M, Takizawa K, Tokutsu AO, Takahashi Y, Minagawal J. 2010. Isolation of the elusive supercomplex that drives cyclic electron flow in photosynthesis. Nature 464, 1210-1214.
    • (2010) Nature , vol.464 , pp. 1210-1214
    • Iwai, M.1    Takizawa, K.2    Tokutsu, A.O.3    Takahashi, Y.4    Minagawal, J.5
  • 28
    • 0027136460 scopus 로고
    • Exposure of the cyanobacterium Synechocystis PCC6803 to salt stress induces concerted changes in respiration and photosynthesis
    • Jeanjean R, Matthijs HCP, Onana B, Havaux M, Joset F. 1993. Exposure of the cyanobacterium Synechocystis PCC6803 to salt stress induces concerted changes in respiration and photosynthesis. Plant and Cell Physiology 34, 1073-1079.
    • (1993) Plant and Cell Physiology , vol.34 , pp. 1073-1079
    • Jeanjean, R.1    Matthijs, H.C.P.2    Onana, B.3    Havaux, M.4    Joset, F.5
  • 29
    • 0035033776 scopus 로고    scopus 로고
    • Increased sensitivity of photosynthesis to antimycin A induced by inactivation of the chloroplast ndhB gene. Evidence for a participation of the NADH-dehydrogenase complex to cyclic electron flow around photosystem i
    • Joet T, Cournac L, Horvath EM, Medgyesy P, Peltier G. 2001. Increased sensitivity of photosynthesis to antimycin A induced by inactivation of the chloroplast ndhB gene. Evidence for a participation of the NADH-dehydrogenase complex to cyclic electron flow around photosystem I. Plant Physiology 125, 1919-1929.
    • (2001) Plant Physiology , vol.125 , pp. 1919-1929
    • Joet, T.1    Cournac, L.2    Horvath, E.M.3    Medgyesy, P.4    Peltier, G.5
  • 30
    • 85047681911 scopus 로고    scopus 로고
    • Cyclic electron flow around photosystem i in C3 plants. in vivo control by the redox state of chloroplasts and involvement of the NADH-dehydrogenase complex
    • Joet T, Cournac L, Peltier G, Havaux M. 2002. Cyclic electron flow around photosystem I in C3 plants. In vivo control by the redox state of chloroplasts and involvement of the NADH-dehydrogenase complex. Plant Physiology 128, 760-769.
    • (2002) Plant Physiology , vol.128 , pp. 760-769
    • Joet, T.1    Cournac, L.2    Peltier, G.3    Havaux, M.4
  • 31
    • 0001403289 scopus 로고
    • Comparative photosynthetic capacities of intertidal algae under exposed and submerged conditions
    • Johnson WS, Gigon A, Gulman SL, Mooncy HA. 1974. Comparative photosynthetic capacities of intertidal algae under exposed and submerged conditions. Ecology 55, 450-453.
    • (1974) Ecology , vol.55 , pp. 450-453
    • Johnson, W.S.1    Gigon, A.2    Gulman, S.L.3    Mooncy, H.A.4
  • 33
    • 0028092441 scopus 로고
    • An improved method, using saturating light pulses, for the determination of photosystem i quantum yield via P700+ absorbance changes at 830 nm
    • Klughammer C, Schreiber U. 1994. An improved method, using saturating light pulses, for the determination of photosystem I quantum yield via P700+ absorbance changes at 830 nm. Planta 192, 261-268.
    • (1994) Planta , vol.192 , pp. 261-268
    • Klughammer, C.1    Schreiber, U.2
  • 34
    • 3042804076 scopus 로고    scopus 로고
    • Dynamic flexibility in the light reactions of photosynthesis governed by both electron and proton transfer reactions
    • Kramer DM, Avenson TJ, Edwards GE. 2004a. Dynamic flexibility in the light reactions of photosynthesis governed by both electron and proton transfer reactions. Trends in Plant Science 9, 349-357.
    • (2004) Trends in Plant Science , vol.9 , pp. 349-357
    • Kramer, D.M.1    Avenson, T.J.2    Edwards, G.E.3
  • 35
    • 1542378925 scopus 로고    scopus 로고
    • New fluorescence parameters for the determination of QA redox state and excitation energy fluxes
    • Kramer DM, Johnson G, Kiirats O, Edwards GE. 2004b. New fluorescence parameters for the determination of QA redox state and excitation energy fluxes. Photosynthesis Research 79, 209-218.
    • (2004) Photosynthesis Research , vol.79 , pp. 209-218
    • Kramer, D.M.1    Johnson, G.2    Kiirats, O.3    Edwards, G.E.4
  • 36
    • 61349092290 scopus 로고    scopus 로고
    • Photosynthetic parameters of sexually different parts of Porphyra katadai var. hemiphylla (Bangiales, Rhodophyta) during dehydration and rehydration
    • Lin AP, Wang GC, Yang F, Pan GH. 2009. Photosynthetic parameters of sexually different parts of Porphyra katadai var. hemiphylla (Bangiales, Rhodophyta) during dehydration and rehydration. Planta 229, 803-810.
    • (2009) Planta , vol.229 , pp. 803-810
    • Lin, A.P.1    Wang, G.C.2    Yang, F.3    Pan, G.H.4
  • 37
    • 0027138903 scopus 로고
    • The ability of Porphyra linears (Rhodophyta) to tolerate prolonged periods of desiccation
    • Lipkin Y, Beer S, Eshel A. 1993. The ability of Porphyra linears (Rhodophyta) to tolerate prolonged periods of desiccation. Botanica Marina 36, 517-523.
    • (1993) Botanica Marina , vol.36 , pp. 517-523
    • Lipkin, Y.1    Beer, S.2    Eshel, A.3
  • 39
  • 41
    • 0028814979 scopus 로고
    • Thylakoid membranebound pyridine nucleotide dehydrogenase complex mediates cyclic electron transport in the cyanobacteria Synechocystis PCC6803
    • Mi H, Endo T, Ogawa T, Asada K. 1995. Thylakoid membranebound pyridine nucleotide dehydrogenase complex mediates cyclic electron transport in the cyanobacteria Synechocystis PCC6803. Plant and Cell Physiology 36, 661-668.
    • (1995) Plant and Cell Physiology , vol.36 , pp. 661-668
    • Mi, H.1    Endo, T.2    Ogawa, T.3    Asada, K.4
  • 42
    • 0031456377 scopus 로고    scopus 로고
    • Mobility of photosynthetic complexes in thylakoid membranes
    • Mullineaux CW, Tobin MJ, Jones GR. 1997. Mobility of photosynthetic complexes in thylakoid membranes. Nature 390, 421-424.
    • (1997) Nature , vol.390 , pp. 421-424
    • Mullineaux, C.W.1    Tobin, M.J.2    Jones, G.R.3
  • 44
    • 0037047381 scopus 로고    scopus 로고
    • PGR5 is involved in cyclic electron flow around photosystem i and is essential for photoprotection in Arabidopsis
    • Munekage Y, Hojo M, Meurer J, Endo T, Tasaka M, Shikanai T. 2002. PGR5 is involved in cyclic electron flow around photosystem I and is essential for photoprotection in Arabidopsis. Cell 110, 361-371.
    • (2002) Cell , vol.110 , pp. 361-371
    • Munekage, Y.1    Hojo, M.2    Meurer, J.3    Endo, T.4    Tasaka, M.5    Shikanai, T.6
  • 45
    • 79956088743 scopus 로고    scopus 로고
    • Monitoring the effects of reduced PS II antenna size on quantum yields of photosystems i and II using the Dual-PAM-100 measuring system
    • Pfündel E, Klughammer C, Schreiber U. 2008. Monitoring the effects of reduced PS II antenna size on quantum yields of photosystems I and II using the Dual-PAM-100 measuring system. PAM Application Notes 1, 21-24.
    • (2008) PAM Application Notes , vol.1 , pp. 21-24
    • Pfündel, E.1    Klughammer, C.2    Schreiber, U.3
  • 46
    • 0028110631 scopus 로고
    • The cyclic electron pathways around photosystem i in Chlamydomonas reinhardtii as determined in vivo by photoacoustic measurements of energy storage
    • Ravenel J, Peltier G, Havaux M. 1994. The cyclic electron pathways around photosystem I in Chlamydomonas reinhardtii as determined in vivo by photoacoustic measurements of energy storage. Planta 193, 251-259.
    • (1994) Planta , vol.193 , pp. 251-259
    • Ravenel, J.1    Peltier, G.2    Havaux, M.3
  • 47
    • 79651469425 scopus 로고    scopus 로고
    • Regulation of photosynthetic electron transport
    • Rochaix JD. 2011. Regulation of photosynthetic electron transport. Biochimica et Biophysica Acta 1807, 375-383.
    • (2011) Biochimica et Biophysica Acta , vol.1807 , pp. 375-383
    • Rochaix, J.D.1
  • 48
    • 4544267873 scopus 로고    scopus 로고
    • Pulse-amplitude-modulation (PAM) fluorometry and saturation pulse method: An overview
    • George, CP, Govindjee, Eds. Dordrecht: Springer
    • Schreiber U. 2004. Pulse-amplitude-modulation (PAM) fluorometry and saturation pulse method: an overview. In: George, CP, Govindjee, eds. Chlorophyll a fluorescence: a signature of photosynthesis. Dordrecht: Springer, 219-319.
    • (2004) Chlorophyll A Fluorescence: A Signature of Photosynthesis , pp. 219-319
    • Schreiber, U.1
  • 49
    • 0017879066 scopus 로고
    • Heat-induced changes of chlorophyll fluorescence in isolated chloroplasts and related heat-damage at the pigment level
    • Schreiber U, Armond P. 1978. Heat-induced changes of chlorophyll fluorescence in isolated chloroplasts and related heat-damage at the pigment level. Biochimica et Biophysica Acta 502, 138-151.
    • (1978) Biochimica et Biophysica Acta , vol.502 , pp. 138-151
    • Schreiber, U.1    Armond, P.2
  • 50
    • 61649094622 scopus 로고    scopus 로고
    • Saturation pulse method for assessment of energy conversion in PSI
    • Schreiber U, Klughammer C. 2008. Saturation pulse method for assessment of energy conversion in PSI. PAM Application Notes 1, 11-14.
    • (2008) PAM Application Notes , vol.1 , pp. 11-14
    • Schreiber, U.1    Klughammer, C.2
  • 51
    • 34250847628 scopus 로고    scopus 로고
    • Cyclic electron transport around photosystem I: Genetic approaches
    • Shikanai T. 2007. Cyclic electron transport around photosystem I: genetic approaches. Annual Review of Plant Biology 58, 199-217.
    • (2007) Annual Review of Plant Biology , vol.58 , pp. 199-217
    • Shikanai, T.1
  • 52
    • 79952856679 scopus 로고
    • Photosystem I-mediated regulation of water splitting in the red alga
    • Sibbald PR, Vidaver W. 1987. Photosystem I-mediated regulation of water splitting in the red alga. Porphyra sanjuanensis. Plant Physiology 84, 1373-1377.
    • (1987) Porphyra Sanjuanensis. Plant Physiology , vol.84 , pp. 1373-1377
    • Sibbald, P.R.1    Vidaver, W.2
  • 53
    • 0343674260 scopus 로고
    • The effects of osmotic tissue dehydration and air drying on morphology and energy transfer in two species of
    • Smith CM, Satoh K, Fork DC. 1986. The effects of osmotic tissue dehydration and air drying on morphology and energy transfer in two species of. Porphyra. Plant Physiology 80, 843-847.
    • (1986) Porphyra. Plant Physiology , vol.80 , pp. 843-847
    • Smith, C.M.1    Satoh, K.2    Fork, D.C.3
  • 56
    • 0030768015 scopus 로고    scopus 로고
    • Increases in the fluorescence Fo level and reversible inhibition of photosystem II reaction center by high-temperature treatments in higher plants
    • Yamane Y, Kashino Y, Koike H, Satoh K. 1997. Increases in the fluorescence Fo level and reversible inhibition of photosystem II reaction center by high-temperature treatments in higher plants. Photosynthesis Research 52, 57-64.
    • (1997) Photosynthesis Research , vol.52 , pp. 57-64
    • Yamane, Y.1    Kashino, Y.2    Koike, H.3    Satoh, K.4
  • 57
    • 0036867182 scopus 로고    scopus 로고
    • 2 concentrations on emersed photosynthesis in Porphyra haitanensis (Bangiales, Rhodophyta), a species farmed in China
    • 2 concentrations on emersed photosynthesis in Porphyra haitanensis (Bangiales, Rhodophyta), a species farmed in China. European Journal of Phycology 37, 587-592.
    • (2002) European Journal of Phycology , vol.37 , pp. 587-592
    • Zou, D.H.1    Gao, K.S.2


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