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Volumn 90, Issue 11, 2013, Pages 2683-2689

Possible chemical causes of skeletal deformities in natural populations of Aphanius fasciatus collected from the Tunisian coast

Author keywords

Aphanius fasciatus; Endocrine disruption; Metallic pollution; Organic pollution; Skeletal deformities; Tunisian coasts

Indexed keywords

CHEMICAL ANALYSIS; FORESTRY; HEAVY METALS; MUSCULOSKELETAL SYSTEM; POLYCYCLIC AROMATIC HYDROCARBONS;

EID: 84873295304     PISSN: 00456535     EISSN: 18791298     Source Type: Journal    
DOI: 10.1016/j.chemosphere.2012.11.047     Document Type: Article
Times cited : (26)

References (44)
  • 1
    • 0037201828 scopus 로고    scopus 로고
    • Skeletal anomalies in Gobius niger (Gobiidae) from Sado Estuary, Portugal
    • Antunes M., Lopes Da Cunha P. Skeletal anomalies in Gobius niger (Gobiidae) from Sado Estuary, Portugal. Cybium 2002, 26:179-184.
    • (2002) Cybium , vol.26 , pp. 179-184
    • Antunes, M.1    Lopes Da Cunha, P.2
  • 2
    • 44949123476 scopus 로고    scopus 로고
    • Association of spinal deformity and vaccine-induced abdominal lesions in harvest-sized Atlantic salmon, Salmo salar L
    • Aunsmo A., Guttvik A., Midtlyng P.J., Larssen R.B., Evensen O., Skjerve E. Association of spinal deformity and vaccine-induced abdominal lesions in harvest-sized Atlantic salmon, Salmo salar L. J. Fish. Dis. 2008, 31:515-524.
    • (2008) J. Fish. Dis. , vol.31 , pp. 515-524
    • Aunsmo, A.1    Guttvik, A.2    Midtlyng, P.J.3    Larssen, R.B.4    Evensen, O.5    Skjerve, E.6
  • 3
    • 65549121186 scopus 로고    scopus 로고
    • Modelling sources of variation and risk factors for spinal deformity in farmed Atlantic salmon using hierarchical- and cross-classified multilevel models
    • Aunsmo A., Ovretveit S., Breck O., Valle P.S., Larssen R.B., Sandberg M. Modelling sources of variation and risk factors for spinal deformity in farmed Atlantic salmon using hierarchical- and cross-classified multilevel models. Prev. Vet. Med. 2009, 90:137-145.
    • (2009) Prev. Vet. Med. , vol.90 , pp. 137-145
    • Aunsmo, A.1    Ovretveit, S.2    Breck, O.3    Valle, P.S.4    Larssen, R.B.5    Sandberg, M.6
  • 4
    • 36849046750 scopus 로고    scopus 로고
    • Incidence of kyphosis deformities in natural population of Atherina lagunae (Trabelsi et al., 2002) from the Tunis North Lake, Tunisia
    • Ayed N., Faure E., Quignard J.P., Maamouri F., Trabelsi M. Incidence of kyphosis deformities in natural population of Atherina lagunae (Trabelsi et al., 2002) from the Tunis North Lake, Tunisia. Mar. Biol. 2008, 153:319-325.
    • (2008) Mar. Biol. , vol.153 , pp. 319-325
    • Ayed, N.1    Faure, E.2    Quignard, J.P.3    Maamouri, F.4    Trabelsi, M.5
  • 6
    • 67650609415 scopus 로고    scopus 로고
    • Cadmium bioaccumulation in three benthic fish species, Salaria basilisca, Zosterisessor ophiocephalus and Solea vulgaris collected from the Gulf of Gabes in Tunisia
    • Barhoumi S., Messaoudi I., Deli T., Saïd K., Kerkeni A. Cadmium bioaccumulation in three benthic fish species, Salaria basilisca, Zosterisessor ophiocephalus and Solea vulgaris collected from the Gulf of Gabes in Tunisia. J. Environ. Sci. 2009, 21:980-984.
    • (2009) J. Environ. Sci. , vol.21 , pp. 980-984
    • Barhoumi, S.1    Messaoudi, I.2    Deli, T.3    Saïd, K.4    Kerkeni, A.5
  • 7
    • 0022828316 scopus 로고
    • Vertebral deformities and physiological effects in fourhorn sculpin (Myoxocephalus quadricornis) after long term exposure to a simulated heavy metal-containing effluent
    • Bengtsson B.E., Larsson A. Vertebral deformities and physiological effects in fourhorn sculpin (Myoxocephalus quadricornis) after long term exposure to a simulated heavy metal-containing effluent. Aquat. Toxicol. 1986, 9:215-229.
    • (1986) Aquat. Toxicol. , vol.9 , pp. 215-229
    • Bengtsson, B.E.1    Larsson, A.2
  • 8
    • 0023760349 scopus 로고
    • Vertebral defects in fourhorn sculpin, Myoxocephalus quadricornis L., exposed to heavy metal pollution in the Gulf of Bothnia
    • Bengtsson A., Bengtsson B.E., Lithner G. Vertebral defects in fourhorn sculpin, Myoxocephalus quadricornis L., exposed to heavy metal pollution in the Gulf of Bothnia. J. Fish. Biol. 1985, 33:517-529.
    • (1985) J. Fish. Biol. , vol.33 , pp. 517-529
    • Bengtsson, A.1    Bengtsson, B.E.2    Lithner, G.3
  • 9
    • 0037677278 scopus 로고    scopus 로고
    • Metal concentrations in water, sediment and gudgeon (Gobio gobio) from a pollution gradient: relationship with fish condition factor
    • Bervoets L., Blust R. Metal concentrations in water, sediment and gudgeon (Gobio gobio) from a pollution gradient: relationship with fish condition factor. Environ. Pollut. 2003, 126:9-19.
    • (2003) Environ. Pollut. , vol.126 , pp. 9-19
    • Bervoets, L.1    Blust, R.2
  • 10
    • 0035401063 scopus 로고    scopus 로고
    • Male goldfish reproductive behaviour and physiology are severely affected by exogenous exposure to 17b-estradiol
    • Bjerselius R., Lundstedt-Enkel K., Olseén H., Mayer I., Dimberg K. Male goldfish reproductive behaviour and physiology are severely affected by exogenous exposure to 17b-estradiol. Aquat. Toxicol. 2001, 53:139-152.
    • (2001) Aquat. Toxicol. , vol.53 , pp. 139-152
    • Bjerselius, R.1    Lundstedt-Enkel, K.2    Olseén, H.3    Mayer, I.4    Dimberg, K.5
  • 11
    • 1642539140 scopus 로고    scopus 로고
    • Utility of morphological abnormalities during early-life development of the estuarine mummichog, Fundulus heteroclitus, as an indicator of estrogenic and antiestrogenic endocrine disruption
    • Boudreau M., Courtenay S.C., MacLatchy D.L., Bérubé C.H., Parrott J.L., Van der Kraak G.J. Utility of morphological abnormalities during early-life development of the estuarine mummichog, Fundulus heteroclitus, as an indicator of estrogenic and antiestrogenic endocrine disruption. Environ. Toxicol. Chem. 2004, 23:415-425.
    • (2004) Environ. Toxicol. Chem. , vol.23 , pp. 415-425
    • Boudreau, M.1    Courtenay, S.C.2    MacLatchy, D.L.3    Bérubé, C.H.4    Parrott, J.L.5    Van der Kraak, G.J.6
  • 12
    • 4143113794 scopus 로고
    • Spinal shortening (osteosclerosis) in spawners of the rainbow trout
    • Buhringer H., Sperling K., Wunder W. Spinal shortening (osteosclerosis) in spawners of the rainbow trout. Arch. Fisch. Wiss. 1990, 40:205-228.
    • (1990) Arch. Fisch. Wiss. , vol.40 , pp. 205-228
    • Buhringer, H.1    Sperling, K.2    Wunder, W.3
  • 13
    • 36248938695 scopus 로고    scopus 로고
    • Characterization of toxic effects of sediment-associated organic pollutants using the lambda transgenic medaka
    • Cachot J., Law M., Pottier D., Peluhet L., Norris M., Budzinski H., Winn R. Characterization of toxic effects of sediment-associated organic pollutants using the lambda transgenic medaka. Environ. Sci. Technol. 2007, 41:7830-7836.
    • (2007) Environ. Sci. Technol. , vol.41 , pp. 7830-7836
    • Cachot, J.1    Law, M.2    Pottier, D.3    Peluhet, L.4    Norris, M.5    Budzinski, H.6    Winn, R.7
  • 14
    • 0034515285 scopus 로고    scopus 로고
    • Cellular and molecular basis of cadmium-induced deformities in zebrafish embryos
    • Cheng S.H., Wai A.W.K., So C.H., Wu R.S.S. Cellular and molecular basis of cadmium-induced deformities in zebrafish embryos. Environ. Toxicol. Chem. 2000, 19:3024-3031.
    • (2000) Environ. Toxicol. Chem. , vol.19 , pp. 3024-3031
    • Cheng, S.H.1    Wai, A.W.K.2    So, C.H.3    Wu, R.S.S.4
  • 15
    • 0342313808 scopus 로고    scopus 로고
    • Occurrence of vertebral deformities in Gobiidae (Pisces) from the Tagus estuary
    • Da Chuna P.L., Antunes M.M. Occurrence of vertebral deformities in Gobiidae (Pisces) from the Tagus estuary. Aquat. Ecol. 1999, 33:281-285.
    • (1999) Aquat. Ecol. , vol.33 , pp. 281-285
    • Da Chuna, P.L.1    Antunes, M.M.2
  • 16
    • 0005488258 scopus 로고
    • Frequencies of abnormalities in Georgia estuarine fishes
    • Dahlberg D.M. Frequencies of abnormalities in Georgia estuarine fishes. Trans. Am. Fish. Soc. 1970, 99:95-97.
    • (1970) Trans. Am. Fish. Soc. , vol.99 , pp. 95-97
    • Dahlberg, D.M.1
  • 17
    • 0034881483 scopus 로고    scopus 로고
    • Lordosis in topsmelt Atherinops affinis (Ayers, 1860) (Teleostei: Atherinopsidae)
    • De La Cruz-Aguero J., Perezgomez-Alvarez L. Lordosis in topsmelt Atherinops affinis (Ayers, 1860) (Teleostei: Atherinopsidae). Rev. Biol. Mar. Oceanog. 2001, 36(1):109-110.
    • (2001) Rev. Biol. Mar. Oceanog. , vol.36 , Issue.1 , pp. 109-110
    • De La Cruz-Aguero, J.1    Perezgomez-Alvarez, L.2
  • 18
    • 67649422729 scopus 로고    scopus 로고
    • Diuron increases spinal deformity in early-lifestage pink snapper Pagrus auratus
    • Gagnon M.M., Rawson C.A. Diuron increases spinal deformity in early-lifestage pink snapper Pagrus auratus. Mar. Pollut. Bull. 2009, 58:1083-1085.
    • (2009) Mar. Pollut. Bull. , vol.58 , pp. 1083-1085
    • Gagnon, M.M.1    Rawson, C.A.2
  • 20
    • 0037234743 scopus 로고    scopus 로고
    • Health assessment of a marine bivalves Ruditapes decussatus from the Gulf of Gabès (Tunisia)
    • Hamza-Chaffai A., Pellerin J.J.C. Health assessment of a marine bivalves Ruditapes decussatus from the Gulf of Gabès (Tunisia). Environ. Int. 2003, 28:609-617.
    • (2003) Environ. Int. , vol.28 , pp. 609-617
    • Hamza-Chaffai, A.1    Pellerin, J.J.C.2
  • 21
    • 0029133805 scopus 로고
    • Physico-chemical forms of storage of metals (Cd-Cu and Zn) and metallothionein-like proteins in gills and liver of marine fish from the Tunisian coast: ecotoxicological consequences
    • Hamza-Chaffai A., Cossin R.P., Amiard-Triquet C., El-Abed A. Physico-chemical forms of storage of metals (Cd-Cu and Zn) and metallothionein-like proteins in gills and liver of marine fish from the Tunisian coast: ecotoxicological consequences. Comp. Biochem. Physiol. 1995, 102:329-341.
    • (1995) Comp. Biochem. Physiol. , vol.102 , pp. 329-341
    • Hamza-Chaffai, A.1    Cossin, R.P.2    Amiard-Triquet, C.3    El-Abed, A.4
  • 23
    • 63249127676 scopus 로고    scopus 로고
    • Involvement of Cd bioaccumulation in spinal deformities occurrence in natural populations of Mediterranean Killifish
    • Kessabi K., Kerkeni A., Said K., Messaoudi I. Involvement of Cd bioaccumulation in spinal deformities occurrence in natural populations of Mediterranean Killifish. Biol. Trace Elem. Res. 2009, 128:72-81.
    • (2009) Biol. Trace Elem. Res. , vol.128 , pp. 72-81
    • Kessabi, K.1    Kerkeni, A.2    Said, K.3    Messaoudi, I.4
  • 24
    • 77955280185 scopus 로고    scopus 로고
    • Evaluation of environmental impact on natural populations of the Mediterranean killifish Aphanius fasciatus by quantitative RNA biomarkers
    • Kessabi K., Navarro A., Casado M., Said K., Messaoudi I., Pina B. Evaluation of environmental impact on natural populations of the Mediterranean killifish Aphanius fasciatus by quantitative RNA biomarkers. Mar. Environ. Res. 2010, 70:327-333.
    • (2010) Mar. Environ. Res. , vol.70 , pp. 327-333
    • Kessabi, K.1    Navarro, A.2    Casado, M.3    Said, K.4    Messaoudi, I.5    Pina, B.6
  • 25
    • 0035651680 scopus 로고    scopus 로고
    • Temperature-induced ontogenetic plasticity in sea bass (Dicentrachus labrax)
    • Koumoundourous G., Divanach P., Anezaki L., Kentouri M. Temperature-induced ontogenetic plasticity in sea bass (Dicentrachus labrax). Mar. Biol. 2001, 139:817-830.
    • (2001) Mar. Biol. , vol.139 , pp. 817-830
    • Koumoundourous, G.1    Divanach, P.2    Anezaki, L.3    Kentouri, M.4
  • 26
    • 0035801779 scopus 로고    scopus 로고
    • The effect of rearing conditions on development of saddleback syndrome and caudal fin deformities in Dentex dentex L
    • Koumoundourous G., Divanach P., Kentouri M. The effect of rearing conditions on development of saddleback syndrome and caudal fin deformities in Dentex dentex L. Aquaculture 2001, 200:285-304.
    • (2001) Aquaculture , vol.200 , pp. 285-304
    • Koumoundourous, G.1    Divanach, P.2    Kentouri, M.3
  • 27
    • 0031952864 scopus 로고    scopus 로고
    • Reproductive impairment and induction of alkaline-labile phosphate, a biomarker of estrogen exposure, in fathead minnows (Pimephales promelas) exposed to waterborne 17b-estradiol
    • Kramer V.J., Miles-Richardson S., Pierens S.L., Giesy J.P. Reproductive impairment and induction of alkaline-labile phosphate, a biomarker of estrogen exposure, in fathead minnows (Pimephales promelas) exposed to waterborne 17b-estradiol. Aquat. Toxicol. 1998, 40:335-360.
    • (1998) Aquat. Toxicol. , vol.40 , pp. 335-360
    • Kramer, V.J.1    Miles-Richardson, S.2    Pierens, S.L.3    Giesy, J.P.4
  • 28
    • 34250188845 scopus 로고    scopus 로고
    • Role of nutrients in skeletal metabolism and pathology in fish, an overview
    • Lall S.P., Lewis-McCrea L.M. Role of nutrients in skeletal metabolism and pathology in fish, an overview. Aquaculture 2007, 267:3-19.
    • (2007) Aquaculture , vol.267 , pp. 3-19
    • Lall, S.P.1    Lewis-McCrea, L.M.2
  • 29
    • 0036177795 scopus 로고    scopus 로고
    • Symptoms and implications of selenium toxicity in fish: the Belews Lake case example
    • Lemly A.D. Symptoms and implications of selenium toxicity in fish: the Belews Lake case example. Aquat. Toxicol. 2002, 57:39-49.
    • (2002) Aquat. Toxicol. , vol.57 , pp. 39-49
    • Lemly, A.D.1
  • 30
    • 68649101856 scopus 로고    scopus 로고
    • Association of spinal deformities with heavy metal bioaccumulation in natural populations of grass goby, Zosterisessor ophiocephalus Pallas, 1811 from the Gulf of Gabes (Tunisia)
    • Messaoudi I., Deli T., Kessabi K., Barhoumi S., Kerkeni A., Said K. Association of spinal deformities with heavy metal bioaccumulation in natural populations of grass goby, Zosterisessor ophiocephalus Pallas, 1811 from the Gulf of Gabes (Tunisia). Environ. Monit. Assess. 2009, 156:551-560.
    • (2009) Environ. Monit. Assess. , vol.156 , pp. 551-560
    • Messaoudi, I.1    Deli, T.2    Kessabi, K.3    Barhoumi, S.4    Kerkeni, A.5    Said, K.6
  • 31
    • 69049101404 scopus 로고    scopus 로고
    • Incidence of spinal deformities in natural populations of Aphanius fasciatus Nardo, 1827 from the Gulf of Gabes, Tunisia
    • Messaoudi I., Kessabi K., Kacem A., Said K. Incidence of spinal deformities in natural populations of Aphanius fasciatus Nardo, 1827 from the Gulf of Gabes, Tunisia. Afr. J. Ecol. 2009, 47:360-366.
    • (2009) Afr. J. Ecol. , vol.47 , pp. 360-366
    • Messaoudi, I.1    Kessabi, K.2    Kacem, A.3    Said, K.4
  • 32
    • 34347332289 scopus 로고    scopus 로고
    • Effects of acute and subchronic exposures to waterborne selenite on the physiological stress response and oxidative stress indicators in juvenile rainbow trout
    • Miller L.L., Wang F., Palace V.P., Hontela A. Effects of acute and subchronic exposures to waterborne selenite on the physiological stress response and oxidative stress indicators in juvenile rainbow trout. Aquat. Toxicol. 2007, 83:263-271.
    • (2007) Aquat. Toxicol. , vol.83 , pp. 263-271
    • Miller, L.L.1    Wang, F.2    Palace, V.P.3    Hontela, A.4
  • 33
    • 84907131926 scopus 로고
    • A procedure for staining cartilage and bone of whole vertebrate larvae while rendering all other tissues transparent
    • Park E.H., Kim D.S. A procedure for staining cartilage and bone of whole vertebrate larvae while rendering all other tissues transparent. Stain Technol. 1984, 59:269-272.
    • (1984) Stain Technol. , vol.59 , pp. 269-272
    • Park, E.H.1    Kim, D.S.2
  • 35
    • 77955851185 scopus 로고    scopus 로고
    • Influence of high temperature on cadmium-induced skeletal deformities in juvenile mosquitofish (Gambusia affinis)
    • Sassi A., Annabi A., Kessabi K., Kerkeni A., Saïd K., Messaoudi I. Influence of high temperature on cadmium-induced skeletal deformities in juvenile mosquitofish (Gambusia affinis). Fish Physiol. Biochem. 2010, 9307-9309.
    • (2010) Fish Physiol. Biochem. , pp. 9307-9309
    • Sassi, A.1    Annabi, A.2    Kessabi, K.3    Kerkeni, A.4    Saïd, K.5    Messaoudi, I.6
  • 36
    • 0142147106 scopus 로고    scopus 로고
    • Preliminary study of the clam Ruditapes decussatus exposed in situ to metal contamination and originating from the gulf of Gabès, Tunisia
    • Smaoui-Damak W., Hamza-Chaffai A., Berthet B., Amiard J.C. Preliminary study of the clam Ruditapes decussatus exposed in situ to metal contamination and originating from the gulf of Gabès, Tunisia. Bull. Environ. Contam. Toxicol. 2003, 71:961-970.
    • (2003) Bull. Environ. Contam. Toxicol. , vol.71 , pp. 961-970
    • Smaoui-Damak, W.1    Hamza-Chaffai, A.2    Berthet, B.3    Amiard, J.C.4
  • 37
  • 38
    • 0036163810 scopus 로고    scopus 로고
    • 2,3,7,8-Tetrachlorodibenzo-pdioxin toxicity in the zebrafish embryo: altered regional blood flow and impaired lower jaw development
    • Teraoka H., Dong W., Ogawa S., Tsukiyama S., Okuhara Y., Niiyama M., Ueno N., Peterson R.E., Hiraga T. 2,3,7,8-Tetrachlorodibenzo-pdioxin toxicity in the zebrafish embryo: altered regional blood flow and impaired lower jaw development. Toxicol. Sci. 2002, 65:192-199.
    • (2002) Toxicol. Sci. , vol.65 , pp. 192-199
    • Teraoka, H.1    Dong, W.2    Ogawa, S.3    Tsukiyama, S.4    Okuhara, Y.5    Niiyama, M.6    Ueno, N.7    Peterson, R.E.8    Hiraga, T.9
  • 39
    • 0033985944 scopus 로고    scopus 로고
    • Incidence of spinal deformities in natural populations of sandsmelt, Atherina boyeri (Risso, 1810) in the Neretva river estuary, middle Adriatic
    • Tutman P., Glamuzina B., Skaramuca B., Kozul V., Glavic N., Lucic D. Incidence of spinal deformities in natural populations of sandsmelt, Atherina boyeri (Risso, 1810) in the Neretva river estuary, middle Adriatic. Fish. Res. 2000, 45:61-64.
    • (2000) Fish. Res. , vol.45 , pp. 61-64
    • Tutman, P.1    Glamuzina, B.2    Skaramuca, B.3    Kozul, V.4    Glavic, N.5    Lucic, D.6
  • 40
    • 0036890602 scopus 로고    scopus 로고
    • Early estrogen exposure induces abnormal development of Fundulus heteroclitus
    • Urushitani H., Shimizu A., Katus Y., Iguchi T. Early estrogen exposure induces abnormal development of Fundulus heteroclitus. J. Exp. Zool. 2002, 293:693-702.
    • (2002) J. Exp. Zool. , vol.293 , pp. 693-702
    • Urushitani, H.1    Shimizu, A.2    Katus, Y.3    Iguchi, T.4
  • 41
    • 0034749524 scopus 로고    scopus 로고
    • Reproductive effects of ethynylestradiol and 4t-octylphenol on the zebrafish
    • Van den Belt K., Verheyen R., Witters H. Reproductive effects of ethynylestradiol and 4t-octylphenol on the zebrafish. Arch. Environ. Contam. Toxicol. 2001, 41:458-467.
    • (2001) Arch. Environ. Contam. Toxicol. , vol.41 , pp. 458-467
    • Van den Belt, K.1    Verheyen, R.2    Witters, H.3
  • 42
    • 0009622286 scopus 로고    scopus 로고
    • Effects of ethynylestradiol on the reproductive physiology in zebrafish (Danio rerio): time dependency and reversibility
    • Van den Belt K., Wester P.W., Van der Ven L.T.M., Verheyen R., Witters H. Effects of ethynylestradiol on the reproductive physiology in zebrafish (Danio rerio): time dependency and reversibility. Environ. Toxicol. Chem. 2002, 21:767-775.
    • (2002) Environ. Toxicol. Chem. , vol.21 , pp. 767-775
    • Van den Belt, K.1    Wester, P.W.2    Van der Ven, L.T.M.3    Verheyen, R.4    Witters, H.5
  • 43
    • 84873292851 scopus 로고    scopus 로고
    • Use of fish biomarkers to assess the contaminant exposure and effects in Lake Erie tributaries, Thèse doctorat. The Graduate School of the Ohio State University
    • Xuan Yang, M.S., 2004. Use of fish biomarkers to assess the contaminant exposure and effects in Lake Erie tributaries, Thèse doctorat. The Graduate School of the Ohio State University, 150 p.
    • (2004) , pp. 150
    • Xuan Yang, M.S.1
  • 44
    • 33750159907 scopus 로고    scopus 로고
    • Toxic effects of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) in developing red seabream (Pagrus major) embryo: an association of morphological deformities with AHR1, AHR2 and CYP1A expressions
    • Yamauchi M., Kim E.Y., Iwata H., Shima Y., Tanabe S. Toxic effects of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) in developing red seabream (Pagrus major) embryo: an association of morphological deformities with AHR1, AHR2 and CYP1A expressions. Aquat. Toxicol. 2006, 80:166-179.
    • (2006) Aquat. Toxicol. , vol.80 , pp. 166-179
    • Yamauchi, M.1    Kim, E.Y.2    Iwata, H.3    Shima, Y.4    Tanabe, S.5


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