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Volumn 5, Issue , 2014, Pages

Ancient homology underlies adaptive mimetic diversity across butterflies

Author keywords

[No Author keywords available]

Indexed keywords

NUCLEOTIDE; WNT PROTEIN;

EID: 84908122557     PISSN: None     EISSN: 20411723     Source Type: Journal    
DOI: 10.1038/ncomms5817     Document Type: Article
Times cited : (68)

References (61)
  • 2
    • 57749199108 scopus 로고    scopus 로고
    • The genetic basis of phenotypic convergence in beach mice: Similar pigment patterns but different genes
    • Steiner, C. C., Rompler, H., Boettger, L. M., Schoneberg, T. & Hoekstra, H. E. The genetic basis of phenotypic convergence in beach mice: similar pigment patterns but different genes. Mol. Biol. Evol. 26, 35-45 (2009).
    • (2009) Mol. Biol. Evol. , vol.26 , pp. 35-45
    • Steiner, C.C.1    Rompler, H.2    Boettger, L.M.3    Schoneberg, T.4    Hoekstra, H.E.5
  • 3
    • 58949093491 scopus 로고    scopus 로고
    • A novel role for Mc1r in the parallel evolution of depigmentation in independent populations of the cavefish Astyanax mexicanus
    • Gross, J. B., Borowsky, R. & Tabin, C. J. A novel role for Mc1r in the parallel evolution of depigmentation in independent populations of the cavefish Astyanax mexicanus. PLoS Genet. 5, e1000326 (2009).
    • (2009) PLoS Genet. , vol.5 , pp. e1000326
    • Gross, J.B.1    Borowsky, R.2    Tabin, C.J.3
  • 4
    • 76649130556 scopus 로고    scopus 로고
    • Molecular and functional basis of phenotypic convergence in white lizards at White Sands
    • Rosenblum, E. B., Rompler, H., Schoneberg, T. & Hoekstra, H. E. Molecular and functional basis of phenotypic convergence in white lizards at White Sands. Proc. Natl Acad. Sci. USA 107, 2113-2117 (2010).
    • (2010) Proc. Natl Acad. Sci. USA , vol.107 , pp. 2113-2117
    • Rosenblum, E.B.1    Rompler, H.2    Schoneberg, T.3    Hoekstra, H.E.4
  • 5
    • 74549118236 scopus 로고    scopus 로고
    • Adaptive evolution of pelvic reduction in sticklebacks by recurrent deletion of a Pitx1 enhancer
    • Chan, Y. F. et al. Adaptive evolution of pelvic reduction in sticklebacks by recurrent deletion of a Pitx1 enhancer. Science 327, 302-305 (2010).
    • (2010) Science , vol.327 , pp. 302-305
    • Chan, Y.F.1
  • 6
    • 84869116803 scopus 로고    scopus 로고
    • The probability of genetic parallelism and convergence in natural populations
    • Conte, G. L., Arnegard, M. E., Peichel, C. L. & Schluter, D. The probability of genetic parallelism and convergence in natural populations. Proc. Biol. Sci. 279, 5039-5047 (2012).
    • (2012) Proc. Biol. Sci. , vol.279 , pp. 5039-5047
    • Conte, G.L.1    Arnegard, M.E.2    Peichel, C.L.3    Schluter, D.4
  • 7
    • 84856258903 scopus 로고    scopus 로고
    • The molecular diversity of adaptive convergence
    • Tenaillon, O. et al. The molecular diversity of adaptive convergence. Science 335, 457-461 (2012).
    • (2012) Science , vol.335 , pp. 457-461
    • Tenaillon, O.1
  • 8
    • 84897626110 scopus 로고    scopus 로고
    • Flower color as a model system for studies of plant evo-devo
    • Sobel, J. M. & Streisfeld, M. A. Flower color as a model system for studies of plant evo-devo. Front. Plant Sci. 4, 321 (2013).
    • (2013) Front. Plant Sci. , vol.4 , pp. 321
    • Sobel, J.M.1    Streisfeld, M.A.2
  • 10
    • 70350490025 scopus 로고    scopus 로고
    • Intraspecific polymorphism to interspecific divergence: Genetics of pigmentation in Drosophila
    • Wittkopp, P. et al. Intraspecific polymorphism to interspecific divergence: genetics of pigmentation in Drosophila. Science 326, 540-544 (2009).
    • (2009) Science , vol.326 , pp. 540-544
    • Wittkopp, P.1
  • 11
  • 12
    • 33747873404 scopus 로고    scopus 로고
    • Genetics development and evolution of adaptive pigmentation in vertebrates
    • Hoekstra, H. E. Genetics, development and evolution of adaptive pigmentation in vertebrates. Heredity 97, 222-234 (2006).
    • (2006) Heredity , vol.97 , pp. 222-234
    • Hoekstra, H.E.1
  • 14
    • 84862661954 scopus 로고    scopus 로고
    • Unraveling the thread of nature's tapestry: The genetics of diversity and convergence in animal pigmentation
    • Kronforst, M. R. et al. Unraveling the thread of nature's tapestry: the genetics of diversity and convergence in animal pigmentation. Pigment. Cell Melanoma Res. 25, 411-433 (2012).
    • (2012) Pigment. Cell Melanoma Res. , vol.25 , pp. 411-433
    • Kronforst, M.R.1
  • 15
    • 0035899901 scopus 로고    scopus 로고
    • The generation and diversification of butterfly eyespot color patterns
    • Brunetti, C. R. et al. The generation and diversification of butterfly eyespot color patterns. Curr. Biol. 11, 1578-1585 (2001).
    • (2001) Curr. Biol. , vol.11 , pp. 1578-1585
    • Brunetti, C.R.1
  • 16
    • 84857022702 scopus 로고    scopus 로고
    • Evolutionary history of the recruitment of conserved developmental genes in association to the formation and diversification of a novel trait
    • Shirai, L. T. et al. Evolutionary history of the recruitment of conserved developmental genes in association to the formation and diversification of a novel trait. BMC Evol. Biol. 12, 21 (2012).
    • (2012) BMC Evol. Biol. , vol.12 , pp. 21
    • Shirai, L.T.1
  • 17
    • 84866179197 scopus 로고    scopus 로고
    • A single origin for nymphalid butterfly eyespots followed by widespread loss of associated gene expression
    • Oliver, J. C., Tong, X. L., Gall, L. F., Piel, W. H. & Monteiro, A. A single origin for nymphalid butterfly eyespots followed by widespread loss of associated gene expression. PLoS Genet. 8, e1002893 (2012).
    • (2012) PLoS Genet. , vol.8 , pp. e1002893
    • Oliver, J.C.1    Tong, X.L.2    Gall, L.F.3    Piel, W.H.4    Monteiro, A.5
  • 18
    • 80052151984 scopus 로고    scopus 로고
    • Optix drives the repeated convergent evolution of butterfly wing pattern mimicry
    • Reed, R. D. et al. Optix drives the repeated convergent evolution of butterfly wing pattern mimicry. Science 333, 1137-1141 (2011).
    • (2011) Science , vol.333 , pp. 1137-1141
    • Reed, R.D.1
  • 19
    • 44449120943 scopus 로고    scopus 로고
    • Hybrid zone origins, species boundaries, and the evolution of wing-pattern diversity in a polytypic species complex of North American admiral butterflies (Nymphalidae: Limenitis)
    • Mullen, S. P., Dopman, E. B. & Harrison, R. G. Hybrid zone origins, species boundaries, and the evolution of wing-pattern diversity in a polytypic species complex of North American admiral butterflies (Nymphalidae: Limenitis). Evolution 62, 1400-1417 (2008).
    • (2008) Evolution , vol.62 , pp. 1400-1417
    • Mullen, S.P.1    Dopman, E.B.2    Harrison, R.G.3
  • 20
    • 84864508428 scopus 로고    scopus 로고
    • Diversification of complex butterfly wing patterns by repeated regulatory evolution of a Wnt ligand
    • Martin, A. et al. Diversification of complex butterfly wing patterns by repeated regulatory evolution of a Wnt ligand. Proc. Natl Acad. Sci. USA 109, 12632-12637 (2012).
    • (2012) Proc. Natl Acad. Sci. USA , vol.109 , pp. 12632-12637
    • Martin, A.1
  • 21
    • 78649698399 scopus 로고    scopus 로고
    • The function and evolution of Wnt genes in arthropods
    • Murat, S., Hopfen, C. & McGregor, A. P. The function and evolution of Wnt genes in arthropods. Arthropod. Struct. Dev. 39, 446-452 (2010).
    • (2010) Arthropod. Struct. Dev. , vol.39 , pp. 446-452
    • Murat, S.1    Hopfen, C.2    McGregor, A.P.3
  • 22
    • 84883457983 scopus 로고    scopus 로고
    • Secretion and extracellular space travel of Wnt proteins
    • Gross, J. C. & Boutros, M. Secretion and extracellular space travel of Wnt proteins. Curr. Opin. Genet. Dev. 22, 385-390 (2013).
    • (2013) Curr. Opin. Genet. Dev. , vol.22 , pp. 385-390
    • Gross, J.C.1    Boutros, M.2
  • 23
    • 77951623809 scopus 로고    scopus 로고
    • Generation of a novel wing colour pattern by the Wingless morphogen
    • Werner, T., Koshikawa, S., Williams, T. M. & Carroll, S. B. Generation of a novel wing colour pattern by the Wingless morphogen. Nature 464, 1143-U1157 (2010).
    • (2010) Nature , vol.464 , pp. 1143-U1157
    • Werner, T.1    Koshikawa, S.2    Williams, T.M.3    Carroll, S.B.4
  • 24
    • 84878729148 scopus 로고    scopus 로고
    • Periodic Wnt1 expression in response to ecdysteroid generates twin-spot markings on caterpillars
    • Yamaguchi, J. et al. Periodic Wnt1 expression in response to ecdysteroid generates twin-spot markings on caterpillars. Nat. Commun. 4, 1857 (2013).
    • (2013) Nat. Commun. , vol.4 , pp. 1857
    • Yamaguchi, J.1
  • 25
    • 84856791570 scopus 로고    scopus 로고
    • Cretaceous origin and repeated tertiary diversification of the redefined butterflies
    • Heikkila, M., Kaila, L., Mutanen, M., Pena, C. & Wahlberg, N. Cretaceous origin and repeated tertiary diversification of the redefined butterflies. Proc. R. Soc. B 279, 1093-1099 (2012).
    • (2012) Proc. R. Soc. B , vol.279 , pp. 1093-1099
    • Heikkila, M.1    Kaila, L.2    Mutanen, M.3    Pena, C.4    Wahlberg, N.5
  • 26
    • 77954055939 scopus 로고    scopus 로고
    • Shaping morphogen gradients by proteoglycans
    • Yan, D. & Lin, X. Shaping morphogen gradients by proteoglycans. Cold Spring Harb. Perspect. Biol. 1, a002493 (2009).
    • (2009) Cold Spring Harb. Perspect. Biol. , vol.1 , pp. a002493
    • Yan, D.1    Lin, X.2
  • 27
    • 0030746593 scopus 로고    scopus 로고
    • Genetic evidence that heparin-like glycosaminoglycans are involved in wingless signaling
    • Binari, R. et al. Genetic evidence that heparin-like glycosaminoglycans are involved in wingless signaling. Development 724, 2623-2632 (1997).
    • (1997) Development , vol.724 , pp. 2623-2632
    • Binari, R.1
  • 28
    • 0035823004 scopus 로고    scopus 로고
    • Argosomes: A potential vehicle for the spread of morphogens through epithelia
    • Greco, V., Hannus, M. & Eaton, S. Argosomes: a potential vehicle for the spread of morphogens through epithelia. Cell 106, 633-645 (2001).
    • (2001) Cell , vol.106 , pp. 633-645
    • Greco, V.1    Hannus, M.2    Eaton, S.3
  • 29
    • 27744521264 scopus 로고    scopus 로고
    • Pharmacologic approaches to butterfly wing patterning: Sulfated polysaccharides mimic or antagonize cold shock and alter the interpretation of gradients of positional information
    • Serfas, M. & Carroll, S. Pharmacologic approaches to butterfly wing patterning: sulfated polysaccharides mimic or antagonize cold shock and alter the interpretation of gradients of positional information. Dev. Biol. 287, 416-424 (2005).
    • (2005) Dev. Biol. , vol.287 , pp. 416-424
    • Serfas, M.1    Carroll, S.2
  • 30
    • 84865527768 scopus 로고    scopus 로고
    • Detecting differential usage of exons from RNA-seq data
    • Anders, S., Reyes, A. & Huber, W. Detecting differential usage of exons from RNA-seq data. Genome Res. 22, 2008-2017 (2012).
    • (2012) Genome Res. , vol.22 , pp. 2008-2017
    • Anders, S.1    Reyes, A.2    Huber, W.3
  • 31
    • 48249102379 scopus 로고    scopus 로고
    • Maize genome structure variation: Interplay between retrotransposon polymorphisms and genic recombination
    • Dooner, H. K. & He, L. Maize genome structure variation: interplay between retrotransposon polymorphisms and genic recombination. Plant Cell 20, 249-258 (2008).
    • (2008) Plant Cell , vol.20 , pp. 249-258
    • Dooner, H.K.1    He, L.2
  • 32
    • 33344471142 scopus 로고    scopus 로고
    • Regulation of gene expression by alternative untranslated regions
    • Huges, T. Regulation of gene expression by alternative untranslated regions. Trends Genet. 22, 119-122 (2006).
    • (2006) Trends Genet. , vol.22 , pp. 119-122
    • Huges, T.1
  • 33
    • 84863496231 scopus 로고    scopus 로고
    • Butterfly genome reveals promiscuous exchange of mimicry adaptations among species
    • Consortium, H. G. Butterfly genome reveals promiscuous exchange of mimicry adaptations among species. Nature 487, 94-98 (2012).
    • (2012) Nature , vol.487 , pp. 94-98
    • Consortium, H.G.1
  • 34
    • 70449427823 scopus 로고    scopus 로고
    • Polymorphic butterfly reveals the missing link in ecological speciation
    • Chamberlain, N. L., Hill, R. I., Kapan, D. D., Gilbert, L. E. & Kronforst, M. R. Polymorphic butterfly reveals the missing link in ecological speciation. Science 326, 847-850 (2009).
    • (2009) Science , vol.326 , pp. 847-850
    • Chamberlain, N.L.1    Hill, R.I.2    Kapan, D.D.3    Gilbert, L.E.4    Kronforst, M.R.5
  • 35
    • 79959981709 scopus 로고    scopus 로고
    • Convergence adaptation, and constraint
    • Losos, J. Convergence, adaptation, and constraint. Evolution 65, 1827-1840 (2011).
    • (2011) Evolution , vol.65 , pp. 1827-1840
    • Losos, J.1
  • 36
    • 67649873296 scopus 로고    scopus 로고
    • The causes of repeated genetic evolution
    • Gompel, N. & Prud'homme, B. The causes of repeated genetic evolution. Dev. Biol. 332, 36-47 (2009).
    • (2009) Dev. Biol. , vol.332 , pp. 36-47
    • Gompel, N.1    Prud'Homme, B.2
  • 37
    • 59849107271 scopus 로고    scopus 로고
    • Is genetic evolution predictable?
    • Stern, D. L. & Orgogozo, V. Is genetic evolution predictable? Science 323, 746-751 (2009).
    • (2009) Science , vol.323 , pp. 746-751
    • Stern, D.L.1    Orgogozo, V.2
  • 38
    • 84876818452 scopus 로고    scopus 로고
    • The loci of repeated evolution: A catalog of genetic hotspots of phenotypic variation
    • Martin, A. & Orgogozo, V. The loci of repeated evolution: a catalog of genetic hotspots of phenotypic variation. Evolution 67, 1235-1250 (2013).
    • (2013) Evolution , vol.67 , pp. 1235-1250
    • Martin, A.1    Orgogozo, V.2
  • 39
    • 84886102011 scopus 로고    scopus 로고
    • The genetic causes of convergent evolution
    • Stern, D. The genetic causes of convergent evolution. Nat. Rev. Genet. 14, 751-764 (2013).
    • (2013) Nat. Rev. Genet. , vol.14 , pp. 751-764
    • Stern, D.1
  • 40
    • 78649494728 scopus 로고    scopus 로고
    • Conservation, loss, and redeployment of Wnt ligands in protostomes: Implications for understanding the evolution of segment formation
    • Janssen, R. et al. Conservation, loss, and redeployment of Wnt ligands in protostomes: implications for understanding the evolution of segment formation. BMC Evol. Biol. 10, 374 (2010).
    • (2010) BMC Evol. Biol. , vol.10 , pp. 374
    • Janssen, R.1
  • 41
    • 84910201663 scopus 로고
    • A simple technique for hand-pairing Limenitis butterflies (Nymphalidae)
    • Platt, A. P. A simple technique for hand-pairing Limenitis butterflies (Nymphalidae). J. Lepid. Soc. 23, 109-112 (1969).
    • (1969) J. Lepid. Soc. , vol.23 , pp. 109-112
    • Platt, A.P.1
  • 43
    • 0001188664 scopus 로고
    • Mimetic versus disruptive coloration in intergrating populations of Limenitis arthemis and asytanax butterflies
    • Platt, A. P. & Brower, L. P. Mimetic versus disruptive coloration in intergrating populations of Limenitis arthemis and asytanax butterflies. Evolution 22, 699-718 (1968).
    • (1968) Evolution , vol.22 , pp. 699-718
    • Platt, A.P.1    Brower, L.P.2
  • 44
    • 0028834605 scopus 로고
    • AFLP: A new technique for DNA fingerprinting
    • Vos, P. et al. AFLP: a new technique for DNA fingerprinting. Nucleic Acids Res. 23, 4407-4414 (1995).
    • (1995) Nucleic Acids Res. , vol.23 , pp. 4407-4414
    • Vos, P.1
  • 45
    • 18744403313 scopus 로고    scopus 로고
    • JoinMap version 3.0: Software for the calculation of genetic linkage maps
    • VanOojen, J. W. & Voorrips, R. E. JoinMap version 3.0: software for the calculation of genetic linkage maps. Plant Research International (2001).
    • (2001) Plant Research International
    • Vanoojen, J.W.1    Voorrips, R.E.2
  • 46
    • 34548744892 scopus 로고
    • Studies of the chromosomes of the North American Rhopalocera. 4. Nymphalinae, Charaxidinae, Libytheinae
    • Maeki, K. & Remington, C. L. Studies of the chromosomes of the North American Rhopalocera. 4. Nymphalinae, Charaxidinae, Libytheinae. J. Lepid. Soc. 14, 179-201 (1968).
    • (1968) J. Lepid. Soc. , vol.14 , pp. 179-201
    • Maeki, K.1    Remington, C.L.2
  • 47
    • 82955195435 scopus 로고    scopus 로고
    • New genome size estimates of 134 species of arthropods
    • Hanrahan, S. J. & Johnston, J. S. New genome size estimates of 134 species of arthropods. Chromosome Res. 19, 809-823 (2011).
    • (2011) Chromosome Res. , vol.19 , pp. 809-823
    • Hanrahan, S.J.1    Johnston, J.S.2
  • 48
    • 61449157815 scopus 로고    scopus 로고
    • A gene-based linkage map for Bicyclus anynana butterflies allows for a comprehensive analysis of synteny with the lepidopteran reference genome
    • Beldade, P., Saneko, S. V., Pul, N. & Long, A. D. A gene-based linkage map for Bicyclus anynana butterflies allows for a comprehensive analysis of synteny with the lepidopteran reference genome. PLoS Genet. 5, e10000366 (2009).
    • (2009) PLoS Genet. , vol.5 , pp. e10000366
    • Beldade, P.1    Saneko, S.V.2    Pul, N.3    Long, A.D.4
  • 49
    • 35048882961 scopus 로고    scopus 로고
    • Synteny and chromosome evolution in the Lepidoptera: Evidence from mapping in Heliconius melpomene
    • Pringle, E. G. et al. Synteny and chromosome evolution in the Lepidoptera: evidence from mapping in Heliconius melpomene. Genetics 177, 417-426 (2007).
    • (2007) Genetics , vol.177 , pp. 417-426
    • Pringle, E.G.1
  • 50
    • 33748901660 scopus 로고    scopus 로고
    • A conserved supergene locus controls colour pattern diversity in Heliconius butterflies
    • Joron, M. et al. A conserved supergene locus controls colour pattern diversity in Heliconius butterflies. PLoS Biol. 4, 1831-1840 (2006).
    • (2006) PLoS Biol. , vol.4 , pp. 1831-1840
    • Joron, M.1
  • 51
    • 84859885816 scopus 로고    scopus 로고
    • Differential gene and transcript expression analysis of RNAseq experiments with TopHat and Cufflinks
    • Trapnell, C. et al. Differential gene and transcript expression analysis of RNAseq experiments with TopHat and Cufflinks. Nat. Protoc. 7, 562-578 (2012).
    • (2012) Nat. Protoc. , vol.7 , pp. 562-578
    • Trapnell, C.1
  • 52
    • 0037100671 scopus 로고    scopus 로고
    • MAFFT: A novel method for rapid multiple sequence alignment based on fast Fourier transform
    • Katoh, K., Misawa, K., Kuma, K. & Miyata, T. MAFFT: a novel method for rapid multiple sequence alignment based on fast Fourier transform. Nucleic Acids Res. 30, 3059-3066 (2002).
    • (2002) Nucleic Acids Res. , vol.30 , pp. 3059-3066
    • Katoh, K.1    Misawa, K.2    Kuma, K.3    Miyata, T.4
  • 53
    • 79955483667 scopus 로고    scopus 로고
    • A framework for variation discovery and genotyping using next-generation DNA sequencing data
    • DePristo, M. et al. A framework for variation discovery and genotyping using next-generation DNA sequencing data. Nat. Genet. 43, 491-498 (2011).
    • (2011) Nat. Genet. , vol.43 , pp. 491-498
    • Depristo, M.1
  • 54
    • 77956295988 scopus 로고    scopus 로고
    • The Genome Analysis Toolkit: A MapReduce framework for analyzing next-generation DNA sequencing data
    • McKenna, A. et al. The Genome Analysis Toolkit: a MapReduce framework for analyzing next-generation DNA sequencing data. Genome Res. 20, 1297-1303 (2010).
    • (2010) Genome Res. , vol.20 , pp. 1297-1303
    • McKenna, A.1
  • 55
    • 79960405019 scopus 로고    scopus 로고
    • The variant call format and VCFtools
    • Danecek, P. et al. The variant call format and VCFtools. Bioinformatics 27, 2156-2158 (2011).
    • (2011) Bioinformatics , vol.27 , pp. 2156-2158
    • Danecek, P.1
  • 56
    • 70349316959 scopus 로고    scopus 로고
    • Linkage disequilibrium between loci with unknown phase
    • Rogers, A. R. & Huff, C. Linkage disequilibrium between loci with unknown phase. Genetics 182, 839-844 (2009).
    • (2009) Genetics , vol.182 , pp. 839-844
    • Rogers, A.R.1    Huff, C.2
  • 57
    • 58149347836 scopus 로고    scopus 로고
    • A genome-scan method to identify selected loci appropriate for both dominant and codominant markers: A Bayesian perspective
    • Foll, M. & Gaggiotti, O. A genome-scan method to identify selected loci appropriate for both dominant and codominant markers: a Bayesian perspective. Genetics 180, 977-993 (2008).
    • (2008) Genetics , vol.180 , pp. 977-993
    • Foll, M.1    Gaggiotti, O.2
  • 58
    • 0034118493 scopus 로고    scopus 로고
    • Inference of population structure using multilocus genotype data
    • Pritchard, J. K., Stephens, M. & Donnelly, P. Inference of population structure using multilocus genotype data. Genetics 155, 945-959 (2000).
    • (2000) Genetics , vol.155 , pp. 945-959
    • Pritchard, J.K.1    Stephens, M.2    Donnelly, P.3
  • 60
    • 48949118203 scopus 로고    scopus 로고
    • A rare model limits the distribution of its more common mimic: A twist on frequency-dependent batesian mimicry
    • Ries, L. & Mullen, S. P. A rare model limits the distribution of its more common mimic: A twist on frequency-dependent batesian mimicry. Evolution 62, 1798-1803 (2008).
    • (2008) Evolution , vol.62 , pp. 1798-1803
    • Ries, L.1    Mullen, S.P.2
  • 61
    • 78649360098 scopus 로고    scopus 로고
    • Wingless and aristaless2 define a developmental ground plan for moth and butterfly wing pattern evolution
    • Martin, A. & Reed, R. Wingless and aristaless2 define a developmental ground plan for moth and butterfly wing pattern evolution. Mol. Biol. Evol. 27, 2864-2878 (2010).
    • (2010) Mol. Biol. Evol. , vol.27 , pp. 2864-2878
    • Martin, A.1    Reed, R.2


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