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Volumn 84, Issue 6, 2008, Pages 1445-1454

The effects of far-red light on plant growth and flavonoid accumulation in brassica napus in the presence of ultraviolet b radiation

Author keywords

[No Author keywords available]

Indexed keywords

FLAVONOID;

EID: 55649089114     PISSN: 00318655     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1751-1097.2008.00362.x     Document Type: Article
Times cited : (52)

References (50)
  • 1
    • 0041912973 scopus 로고    scopus 로고
    • Molecular events following perception of ultraviolet-B radiation by plants
    • Brosché, M. Å. Strid (2003) Molecular events following perception of ultraviolet-B radiation by plants. Physiol. Plant. 117, 1 10.
    • (2003) Physiol. Plant. , vol.117 , pp. 1-10
    • Brosché, M.1    Strid, Å.2
  • 3
    • 0037261340 scopus 로고    scopus 로고
    • Changes in biologically active ultraviolet radiation reaching the earth's surface
    • Mackenzie, R. L., L. O. Björn, A. Bais M. Ilyasd (2004) Changes in biologically active ultraviolet radiation reaching the earth's surface. Photochem. Photobiol. Sci. 2, 5 15.
    • (2004) Photochem. Photobiol. Sci. , vol.2 , pp. 5-15
    • MacKenzie, R.L.1    Björn, L.O.2    Bais, A.3    Ilyasd, M.4
  • 5
    • 0035449636 scopus 로고    scopus 로고
    • Influence of solar ultraviolet-B radiation on Antarctic terrestrial plants: Results from a 4-year field study
    • Day, T. A., C. T. Ruhland F. S. Xiong (2001) Influence of solar ultraviolet-B radiation on Antarctic terrestrial plants: Results from a 4-year field study. J. Photochem. Photobiol. B, Biol. 62, 78 87.
    • (2001) J. Photochem. Photobiol. B, Biol. , vol.62 , pp. 78-87
    • Day, T.A.1    Ruhland, C.T.2    Xiong, F.S.3
  • 6
    • 0042466289 scopus 로고    scopus 로고
    • Stress under the sun: Spotlight on ultraviolet-B responses
    • Ballaré, C. L. (2003) Stress under the sun: Spotlight on ultraviolet-B responses. Plant Physiol. 132, 1725 1727.
    • (2003) Plant Physiol. , vol.132 , pp. 1725-1727
    • Ballaré, C.L.1
  • 7
    • 0035036482 scopus 로고    scopus 로고
    • A meta-analysis of plant field studies simulating stratospheric ozone depletion
    • Searles, P. S., S. D. Flint M. M. Caldwell (2001) A meta-analysis of plant field studies simulating stratospheric ozone depletion. Oecologia 127, 1 10.
    • (2001) Oecologia , vol.127 , pp. 1-10
    • Searles, P.S.1    Flint, S.D.2    Caldwell, M.M.3
  • 9
    • 0033831616 scopus 로고    scopus 로고
    • Responses of nine Trifolium repens L. populations to ultraviolet-B radiation: Differential flavonol glycoside accumulation and biomass production
    • Hofmann, R. W., E. E. Swinny, S. J. Bloor, K. R. Markham, K. G. Ryan, B. D. Campbell, B. R. Jordan D. W. Fountain (2000) Responses of nine Trifolium repens L. populations to ultraviolet-B radiation: Differential flavonol glycoside accumulation and biomass production. Ann. Bot. 86, 527 537.
    • (2000) Ann. Bot. , vol.86 , pp. 527-537
    • Hofmann, R.W.1    Swinny, E.E.2    Bloor, S.J.3    Markham, K.R.4    Ryan, K.G.5    Campbell, B.D.6    Jordan, B.R.7    Fountain, D.W.8
  • 10
    • 0031670772 scopus 로고    scopus 로고
    • Differential flavonoid response to enhanced UV-B radiation in Brassica napus
    • Olsson, L. C., M. Veit, G. Weissenböck J. F. Bornman (1999) Differential flavonoid response to enhanced UV-B radiation in Brassica napus. Phytochemistry 49, 1021 1028.
    • (1999) Phytochemistry , vol.49 , pp. 1021-1028
    • Olsson, L.C.1    Veit, M.2    Weissenböck, G.3    Bornman, J.F.4
  • 11
    • 0001052351 scopus 로고    scopus 로고
    • UVB radiation-induced increase in quercetin:kaempferol ratio in wild-type and transgenic lines of Petunia
    • Ryan, K. G., K. R. Markham, S. J. Bloor, J. M. Bradley, K. A. Mitchell B. R. Jordan (1998) UVB radiation-induced increase in quercetin:kaempferol ratio in wild-type and transgenic lines of Petunia. Photochem. Photobiol. 68, 323 330.
    • (1998) Photochem. Photobiol. , vol.68 , pp. 323-330
    • Ryan, K.G.1    Markham, K.R.2    Bloor, S.J.3    Bradley, J.M.4    Mitchell, K.A.5    Jordan, B.R.6
  • 12
    • 0035384617 scopus 로고    scopus 로고
    • Effects of ultraviolet-A exposure on ultraviolet-B-induced accumulation of specific flavonoids in Brassica napus
    • Wilson, K. E., J. E. Thompson, N. P. Huner B. M. Greenberg (2001) Effects of ultraviolet-A exposure on ultraviolet-B-induced accumulation of specific flavonoids in Brassica napus. Photochem. Photobiol. 73, 15 21.
    • (2001) Photochem. Photobiol. , vol.73 , pp. 15-21
    • Wilson, K.E.1    Thompson, J.E.2    Huner, N.P.3    Greenberg, B.M.4
  • 13
    • 0001689019 scopus 로고    scopus 로고
    • Identification of the flavonoid glycosides that accumulate in Brassica napus L. cv. Topas specifically in response to ultraviolet B radiation
    • Wilson, K. E., M. I. Wilson B. M. Greenberg (1998) Identification of the flavonoid glycosides that accumulate in Brassica napus L. cv. Topas specifically in response to ultraviolet B radiation. Photochem. Photobiol. 67, 547 553.
    • (1998) Photochem. Photobiol. , vol.67 , pp. 547-553
    • Wilson, K.E.1    Wilson, M.I.2    Greenberg, B.M.3
  • 15
    • 33746496150 scopus 로고    scopus 로고
    • Significance of flavonoids in plant resistance: A review
    • Treutter, D. (2006) Significance of flavonoids in plant resistance: A review. Environ. Chem. Lett. 4, 147 157.
    • (2006) Environ. Chem. Lett. , vol.4 , pp. 147-157
    • Treutter, D.1
  • 16
    • 0034960312 scopus 로고    scopus 로고
    • An Arabidopsis mutant tolerant to lethal ultraviolet-B levels shows constitutively elevated accumulation of flavonoids and other phenolics
    • Bieza, K. R. Lois (2001) An Arabidopsis mutant tolerant to lethal ultraviolet-B levels shows constitutively elevated accumulation of flavonoids and other phenolics. Plant Physiol. 126, 1105 1115.
    • (2001) Plant Physiol. , vol.126 , pp. 1105-1115
    • Bieza, K.1    Lois, R.2
  • 17
    • 0029582789 scopus 로고
    • Arabidopsis mutants lacking phenolic sunscreens exhibit enhanced ultraviolet-B injury and oxidative damage
    • Landry, L. G., C. C. S. Chapple R. L. Last (1995) Arabidopsis mutants lacking phenolic sunscreens exhibit enhanced ultraviolet-B injury and oxidative damage. Plant Physiol. 109, 1159 1166.
    • (1995) Plant Physiol. , vol.109 , pp. 1159-1166
    • Landry, L.G.1    Chapple, C.C.S.2    Last, R.L.3
  • 18
    • 0001056238 scopus 로고
    • Protection of the D1 photosystem II reaction center protein from degradation in ultraviolet radiation following adaptation of Brassica napus L. to growth in ultraviolet-B
    • Wilson, M. I. B. M. Greenberg (1993) Protection of the D1 photosystem II reaction center protein from degradation in ultraviolet radiation following adaptation of Brassica napus L. to growth in ultraviolet-B. Photochem. Photobiol. 57, 556 563.
    • (1993) Photochem. Photobiol. , vol.57 , pp. 556-563
    • Wilson, M.I.1    Greenberg, B.M.2
  • 19
    • 0742305484 scopus 로고    scopus 로고
    • Similar stress responses are elicited by copper and ultraviolet radiation in the aquatic plant Lemna gibba: Implication of reactive oxygen species as common signals
    • Babu, T. S., T. A. Akhtar, M. A. Lampi, S. Tripuranthakam, D. G. Dixon B. M. Greenberg (2003) Similar stress responses are elicited by copper and ultraviolet radiation in the aquatic plant Lemna gibba: Implication of reactive oxygen species as common signals. Plant Cell Physiol. 44, 1320 1329.
    • (2003) Plant Cell Physiol. , vol.44 , pp. 1320-1329
    • Babu, T.S.1    Akhtar, T.A.2    Lampi, M.A.3    Tripuranthakam, S.4    Dixon, D.G.5    Greenberg, B.M.6
  • 20
    • 0029888128 scopus 로고    scopus 로고
    • Structure-antioxidant activity relationships of flavonoids and phenolic acids
    • Rice-Evans, C. A., N. J. Miller G. Paganga (1996) Structure-antioxidant activity relationships of flavonoids and phenolic acids. Free Radic. Biol. Med. 20, 933 956.
    • (1996) Free Radic. Biol. Med. , vol.20 , pp. 933-956
    • Rice-Evans, C.A.1    Miller, N.J.2    Paganga, G.3
  • 21
    • 0034730984 scopus 로고    scopus 로고
    • Energy dissipation and radical scavenging by the plant phenylpropanoid pathway
    • Grace, S. C. B. A. Logan (2000) Energy dissipation and radical scavenging by the plant phenylpropanoid pathway. Philos. Trans. R. Soc. Lond., B, Biol. Sci. 355, 1499 1510.
    • (2000) Philos. Trans. R. Soc. Lond., B, Biol. Sci. , vol.355 , pp. 1499-1510
    • Grace, S.C.1    Logan, B.A.2
  • 22
    • 0000551340 scopus 로고    scopus 로고
    • Tautomerism of flavonol glucosides: Relevance to plant UV protection and flower colour
    • Smith, G. J. K. R. Markham (1998) Tautomerism of flavonol glucosides: relevance to plant UV protection and flower colour. J. Photochem. Photobiol. A 118, 99 105.
    • (1998) J. Photochem. Photobiol. A , vol.118 , pp. 99-105
    • Smith, G.J.1    Markham, K.R.2
  • 23
    • 0035051907 scopus 로고    scopus 로고
    • Interactions within a network of phytochrome, cryptochrome and UV-B phototransduction pathways regulate chalcone synthase gene expression in Arabidopsis leaf tissue
    • Wade, H. K., T. N. Bibikova, W. J. Valentine G. I. Jenkins (2001) Interactions within a network of phytochrome, cryptochrome and UV-B phototransduction pathways regulate chalcone synthase gene expression in Arabidopsis leaf tissue. Plant J. 25, 675 685.
    • (2001) Plant J. , vol.25 , pp. 675-685
    • Wade, H.K.1    Bibikova, T.N.2    Valentine, W.J.3    Jenkins, G.I.4
  • 24
    • 0000820553 scopus 로고
    • Photocontrol of flavonoid biosynthesis
    • 2nd edn In. Edited by. R. E. Kendrick. G. H. M. Kronenberg. pp. Kluwer Academic Publishers, Dordrecht, The Netherlands.
    • Beggs, C. J. E. Wellmann (1994) Photocontrol of flavonoid biosynthesis. In Photomorphogenesis in Plants, 2nd edn (Edited by R. E. Kendrick G. H. M. Kronenberg pp. 733 751. Kluwer Academic Publishers, Dordrecht, The Netherlands.
    • (1994) Photomorphogenesis in Plants , pp. 733-751
    • Beggs, C.J.1    Wellmann, E.2
  • 25
    • 0034609795 scopus 로고    scopus 로고
    • Phytochromes and light signal perception by plants - An emerging synthesis
    • Smith, H. (2000) Phytochromes and light signal perception by plants - An emerging synthesis. Nature 407, 585 591.
    • (2000) Nature , vol.407 , pp. 585-591
    • Smith, H.1
  • 26
    • 0036531885 scopus 로고    scopus 로고
    • Photosensory perception and signalling in plant cells: New paradigms?
    • Quail, P. H. (2002) Photosensory perception and signalling in plant cells: New paradigms? Curr. Opin. Cell Biol. 14, 180 188.
    • (2002) Curr. Opin. Cell Biol. , vol.14 , pp. 180-188
    • Quail, P.H.1
  • 27
    • 33847042609 scopus 로고    scopus 로고
    • Light-regulated transcriptional networks in higher plants
    • Jiao, Y., O. S. Lau X. W. Deng (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
  • 28
    • 4043072292 scopus 로고    scopus 로고
    • Red:far-red light ratio and UV-B radiation: Their effects on leaf phenolics and growth of silver birch seedlings
    • Tegelberg, R., R. Julkunen-Tiitto P. J. Aphalo (2004) Red:far-red light ratio and UV-B radiation: Their effects on leaf phenolics and growth of silver birch seedlings. Plant Cell Environ. 27, 1005 1013.
    • (2004) Plant Cell Environ. , vol.27 , pp. 1005-1013
    • Tegelberg, R.1    Julkunen-Tiitto, R.2    Aphalo, P.J.3
  • 29
    • 0032297190 scopus 로고    scopus 로고
    • Involvement of plasma membrane redox activity and calcium homeostasis in the UV-B and UV-A/blue light induction of gene expression in Arabidopsis
    • Long, J. C. G. I. Jenkins (1998) Involvement of plasma membrane redox activity and calcium homeostasis in the UV-B and UV-A/blue light induction of gene expression in Arabidopsis. Plant Cell 10, 2077 2086.
    • (1998) Plant Cell , vol.10 , pp. 2077-2086
    • Long, J.C.1    Jenkins, G.I.2
  • 31
    • 0000176976 scopus 로고
    • Solar UV irradiation and the growth and development of higher plants
    • In. Vol. 6 (. Edited by. A. C. Giese. pp. Academic Press, New York.
    • Caldwell, M. M. (1971) Solar UV irradiation and the growth and development of higher plants. In Photophysiology, Vol. 6 (Edited by A. C. Giese pp. 131 177. Academic Press, New York.
    • (1971) Photophysiology , pp. 131-177
    • Caldwell, M.M.1
  • 32
    • 0031401513 scopus 로고    scopus 로고
    • Evidence that heat and ultraviolet radiation activate a common stress-response program in plants that is altered in the uvh6 mutant of Arabidopsis thaliana
    • Jenkins, M. E., T. C. Suzuki D. W. Mount (1997) Evidence that heat and ultraviolet radiation activate a common stress-response program in plants that is altered in the uvh6 mutant of Arabidopsis thaliana. Plant Physiol. 115, 1351 1358.
    • (1997) Plant Physiol. , vol.115 , pp. 1351-1358
    • Jenkins, M.E.1    Suzuki, T.C.2    Mount, D.W.3
  • 33
    • 0005247342 scopus 로고    scopus 로고
    • Susceptibility to UV damage in Impatiens capensis (Balsaminaceae): Testing for opportunity costs to shade-avoidance and population differentiation
    • Dixon, P., C. Weinig J. Schmitt (2001) Susceptibility to UV damage in Impatiens capensis (Balsaminaceae): Testing for opportunity costs to shade-avoidance and population differentiation. Am. J. Bot. 88, 1401 1408.
    • (2001) Am. J. Bot. , vol.88 , pp. 1401-1408
    • Dixon, P.1    Weinig, C.2    Schmitt, J.3
  • 34
    • 0002595887 scopus 로고    scopus 로고
    • Action spectra for UV-B effects on plants: Monochromatic and polychromatic approaches for analyzing plant responses
    • In. Edited by. P. Lumsden. pp. Cambridge University Press, Cambridge.
    • Holmes, M. G. (1997) Action spectra for UV-B effects on plants: Monochromatic and polychromatic approaches for analyzing plant responses. In Plants and UV-B Responses to Environmental Change (Edited by P. Lumsden pp. 31 50. Cambridge University Press, Cambridge.
    • (1997) Plants and UV-B Responses to Environmental Change , pp. 31-50
    • Holmes, M.G.1
  • 35
    • 0000376641 scopus 로고
    • Tissue distribution of secondary phenolic biosynthesis in developing primary leaves of Avena sativa L
    • Knogge, W. G. Weissenbock (1986) Tissue distribution of secondary phenolic biosynthesis in developing primary leaves of Avena sativa L. Planta 176, 196 205.
    • (1986) Planta , vol.176 , pp. 196-205
    • Knogge, W.1    Weissenbock, G.2
  • 36
    • 84989701983 scopus 로고
    • The protective function of the epidermal layer of rye seedlings against ultraviolet-B radiation
    • Tevini, M., J. Braun G. Fieser (1991) The protective function of the epidermal layer of rye seedlings against ultraviolet-B radiation. Photochem. Photobiol. 53, 329 333.
    • (1991) Photochem. Photobiol. , vol.53 , pp. 329-333
    • Tevini, M.1    Braun, J.2    Fieser, G.3
  • 37
    • 0031943115 scopus 로고    scopus 로고
    • Flavonoid and flavonol glycoside metabolism in Arabidopsis
    • Graham, T. L. (1998) Flavonoid and flavonol glycoside metabolism in Arabidopsis. Plant Physiol. Biochem. 36, 135 144.
    • (1998) Plant Physiol. Biochem. , vol.36 , pp. 135-144
    • Graham, T.L.1
  • 38
    • 0033136864 scopus 로고    scopus 로고
    • Disruption of specific flavonoid genes enhances the accumulation of flavonoid enzymes and end-products in Arabidopsis seedlings
    • Pelletier, M. K., I. E. Burbulis B. Winkel-Shirley (1999) Disruption of specific flavonoid genes enhances the accumulation of flavonoid enzymes and end-products in Arabidopsis seedlings. Plant Mol. Biol. 40, 45 54.
    • (1999) Plant Mol. Biol. , vol.40 , pp. 45-54
    • Pelletier, M.K.1    Burbulis, I.E.2    Winkel-Shirley, B.3
  • 39
    • 33847749731 scopus 로고    scopus 로고
    • Solar ultraviolet-B radiation and insect herbivory trigger partially overlapping phenolic responses in Nicotiana attenuata and Nicotiana longiflora
    • Izaguirre, M. M., C. A. Mazza, A. Svatoš, I. T. Baldwin C. L. Ballaré (2007) Solar ultraviolet-B radiation and insect herbivory trigger partially overlapping phenolic responses in Nicotiana attenuata and Nicotiana longiflora. Ann. Bot. 99, 103 109.
    • (2007) Ann. Bot. , vol.99 , pp. 103-109
    • Izaguirre, M.M.1    Mazza, C.A.2    Svatoš, A.3    Baldwin, I.T.4    Ballaré, C.L.5
  • 40
    • 0031911211 scopus 로고    scopus 로고
    • Accumulation of flavonoids and related compounds in birch induced by UV-B irradiance
    • Lavola, A. (1998) Accumulation of flavonoids and related compounds in birch induced by UV-B irradiance. Tree Phys. 18, 53 58.
    • (1998) Tree Phys. , vol.18 , pp. 53-58
    • Lavola, A.1
  • 41
    • 0001171384 scopus 로고    scopus 로고
    • Ultraviolet radiation as a stress factor and the role of protective pigments
    • In. Edited by. P. J. Lumsden. pp. Cambridge University Press, Cambridge.
    • Bornman, J. F., S. Reuber, Y.-P. Cen G. Weissenböck (1997) Ultraviolet radiation as a stress factor and the role of protective pigments. In Plants and UV-B: Responses to Environmental Change (Edited by P. J. Lumsden pp. 157 168. Cambridge University Press, Cambridge.
    • (1997) Plants and UV-B: Responses to Environmental Change , pp. 157-168
    • Bornman, J.F.1    Reuber, S.2    Cen, Y.-P.3    Weissenböck, G.4
  • 42
    • 0034538667 scopus 로고    scopus 로고
    • Contribution of hydroxycinnamates and flavonoids to epidermal shielding of UV-A and UV-B radiation in developing rye primary leaves as assessed by ultraviolet-induced chlorophyll fluorescence measurements
    • Burchard, P., W. Bilger G. Weissenböck (2000) Contribution of hydroxycinnamates and flavonoids to epidermal shielding of UV-A and UV-B radiation in developing rye primary leaves as assessed by ultraviolet-induced chlorophyll fluorescence measurements. Plant Cell Environ. 23, 1373 1380.
    • (2000) Plant Cell Environ. , vol.23 , pp. 1373-1380
    • Burchard, P.1    Bilger, W.2    Weissenböck, G.3
  • 44
    • 0035201285 scopus 로고    scopus 로고
    • Effects of natural intensities of visible and ultraviolet radiation on epidermal ultraviolet screening and photosynthesis in grape leaves
    • Kolb, C. A., M. A. Käser, J. Kopecký, G. Zotz, M. Riederer E. E. Pfündel (2001) Effects of natural intensities of visible and ultraviolet radiation on epidermal ultraviolet screening and photosynthesis in grape leaves. Plant Physiol. 127, 863 875.
    • (2001) Plant Physiol. , vol.127 , pp. 863-875
    • Kolb, C.A.1    Käser, M.A.2    Kopecký, J.3    Zotz, G.4    Riederer, M.5    Pfündel, E.E.6
  • 45
    • 0004854671 scopus 로고
    • Ultraviolet action spectrum for anthocyanin formation in broom sorghum first internodes
    • Yatsuhashi, H., T. Hashimoto S. Shimizu (1982) Ultraviolet action spectrum for anthocyanin formation in broom sorghum first internodes. Plant Physiol. 70, 735 741.
    • (1982) Plant Physiol. , vol.70 , pp. 735-741
    • Yatsuhashi, H.1    Hashimoto, T.2    Shimizu, S.3
  • 46
    • 0033205087 scopus 로고    scopus 로고
    • Regulation of the expression of NADP-malic enzyme by UV-B, red and far-red light in maize seedlings
    • Casati, P., M. F. Drincovich, G. E. Edwards C. S. Andreo (1999) Regulation of the expression of NADP-malic enzyme by UV-B, red and far-red light in maize seedlings. Braz. J. Med. Biol. Res. 32, 1187 1193.
    • (1999) Braz. J. Med. Biol. Res. , vol.32 , pp. 1187-1193
    • Casati, P.1    Drincovich, M.F.2    Edwards, G.E.3    Andreo, C.S.4
  • 47
    • 0033081197 scopus 로고    scopus 로고
    • Effects of UV-B radiation on growth, photosynthesis, UV-B-absorbing compounds and NADP-malic enzyme in bean (Phaseolus vulgaris L.) grown under different nitrogen conditions
    • Pinto, M. E., P. Casati, T. P. Hsu, M. S. Ku G. E. Edwards (1999) Effects of UV-B radiation on growth, photosynthesis, UV-B-absorbing compounds and NADP-malic enzyme in bean (Phaseolus vulgaris L.) grown under different nitrogen conditions. J. Photochem. Photobiol. B, Biol., 48, 200 209.
    • (1999) J. Photochem. Photobiol. B, Biol. , vol.48 , pp. 200-209
    • Pinto, M.E.1    Casati, P.2    Hsu, T.P.3    Ku, M.S.4    Edwards, G.E.5
  • 49
    • 0032126537 scopus 로고    scopus 로고
    • An increase in the luteolin:apigenin ratio in Marchantia polymorpha on UV-B enhancement
    • Markham, K. R., K. G. Ryan, S. J. Bloor K. A. Mitchell (1998) An increase in the luteolin:apigenin ratio in Marchantia polymorpha on UV-B enhancement. Phytochemistry 48, 791 794.
    • (1998) Phytochemistry , vol.48 , pp. 791-794
    • Markham, K.R.1    Ryan, K.G.2    Bloor, S.J.3    Mitchell, K.A.4
  • 50
    • 33847317002 scopus 로고    scopus 로고
    • Species-specific and leaf-age dependent effects of ultraviolet radiation on two Brassicaceae
    • Reifenrath, K. C. Müller (2007) Species-specific and leaf-age dependent effects of ultraviolet radiation on two Brassicaceae. Phytochemistry 68, 875 885.
    • (2007) Phytochemistry , vol.68 , pp. 875-885
    • Reifenrath, K.1    Müller, C.2


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