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Volumn 271, Issue 1534, 2004, Pages 35-43

Evidence for mycorrhizal races in a cheating orchid

Author keywords

Evolution; Host race; Mycorrhizae; Orchidaceae; Specialization; Speciation

Indexed keywords

PRIMER DNA; RIBOSOME DNA;

EID: 0347633264     PISSN: 09628452     EISSN: 14712970     Source Type: Journal    
DOI: 10.1098/rspb.2003.2557     Document Type: Article
Times cited : (95)

References (60)
  • 2
    • 0036006234 scopus 로고    scopus 로고
    • Fine-level mycorrhizal specificity in the Monotropoideae (Ericaceae): Specificity for fungal species groups
    • Bidartondo, M. I. & Bruns, T. D. 2002 Fine-level mycorrhizal specificity in the Monotropoideae (Ericaceae): specificity for fungal species groups. Mol. Ecol. 11, 557-569.
    • (2002) Mol. Ecol. , vol.11 , pp. 557-569
    • Bidartondo, M.I.1    Bruns, T.D.2
  • 4
    • 0037461261 scopus 로고    scopus 로고
    • Specialized cheating of the ectomycorrhizal symbiosis by an epiparasitic liverwort
    • DOI 10.1098/rspb.2002.2299
    • Bidartondo, M. I., Bruns, T. D., Weiss, M., Sergio, C. & Read, D. J. 2003 Specialized cheating of the ectomycorrhizal symbiosis by an epiparasitic liverwort. Proc. R. Soc. Lond. B 270, 835-842. (DOI 10.1098/rspb.2002.2299.)
    • (2003) Proc. R. Soc. Lond. B , vol.270 , pp. 835-842
    • Bidartondo, M.I.1    Bruns, T.D.2    Weiss, M.3    Sergio, C.4    Read, D.J.5
  • 5
    • 84982384855 scopus 로고
    • Monotropa hypopitys L.: An epiparasite on tree roots
    • Bjorkman, E. 1960 Monotropa hypopitys L.: an epiparasite on tree roots. Physiologia Plantarum 13, 308-327.
    • (1960) Physiologia Plantarum , vol.13 , pp. 308-327
    • Bjorkman, E.1
  • 6
    • 0027380612 scopus 로고
    • Molecular characterization of flavanone 3-beta-hydroxylases: Consensus sequence, comparison with related enzymes and the role of conserved histidine residues
    • Britsch, L., Dedio, J., Saedler, H. & Forkmann, G. 1994 Molecular characterization of flavanone 3-beta-hydroxylases: consensus sequence, comparison with related enzymes and the role of conserved histidine residues. Eur. J. Biochem. 217, 745-754.
    • (1994) Eur. J. Biochem. , vol.217 , pp. 745-754
    • Britsch, L.1    Dedio, J.2    Saedler, H.3    Forkmann, G.4
  • 7
    • 0027086257 scopus 로고
    • Evolution in heterogeneous environments: Effects of migration on habitat specialization
    • Brown, J. S. & Pavlovic, N. B. 1992 Evolution in heterogeneous environments: effects of migration on habitat specialization. Evol. Ecol. 6, 360-382.
    • (1992) Evol. Ecol. , vol.6 , pp. 360-382
    • Brown, J.S.1    Pavlovic, N.B.2
  • 8
    • 0002833190 scopus 로고    scopus 로고
    • Morphological and molecular data on the taxonomy of Gymnomyces, Martellia and Zelleromyces (Russulales)
    • Calonge, F. D. & Martin, M. P. 2000 Morphological and molecular data on the taxonomy of Gymnomyces, Martellia and Zelleromyces (Russulales). Mycotaxon 76, 9-15.
    • (2000) Mycotaxon , vol.76 , pp. 9-15
    • Calonge, F.D.1    Martin, M.P.2
  • 9
    • 0002260099 scopus 로고
    • Variance of gene frequencies
    • Cockerham, C. C. 1969 Variance of gene frequencies. Evolution 23, 72-84.
    • (1969) Evolution , vol.23 , pp. 72-84
    • Cockerham, C.C.1
  • 11
    • 0031950476 scopus 로고    scopus 로고
    • Usefulness of RNA polymerase II coding sequences for estimation of green plant phylogeny
    • Denton, A. L., McConaughy, B. L. & Hall, B. D. 1998 Usefulness of RNA polymerase II coding sequences for estimation of green plant phylogeny. Mol. Biol. Evol. 15, 1082-1085.
    • (1998) Mol. Biol. Evol. , vol.15 , pp. 1082-1085
    • Denton, A.L.1    McConaughy, B.L.2    Hall, B.D.3
  • 12
    • 0032813080 scopus 로고    scopus 로고
    • Phylogenetic analysis of trait evolution and species diversity variation among angiosperm families
    • Dodd, M. E., Silvertown, J. & Chase, M. W. 1999 Phylogenetic analysis of trait evolution and species diversity variation among angiosperm families. Evolution 53, 732-744.
    • (1999) Evolution , vol.53 , pp. 732-744
    • Dodd, M.E.1    Silvertown, J.2    Chase, M.W.3
  • 13
    • 0037192924 scopus 로고    scopus 로고
    • Host races in plant-feeding insects and their importance in sympatric speciation
    • DOI 10.1098/rstb.2002.1059
    • Dres, M. & Mallet, J. 2002 Host races in plant-feeding insects and their importance in sympatric speciation. Phil. Trans. R. Soc. Lond. B 357, 471-492. (DOI 10.1098/rstb.2002.1059.)
    • (2002) Phil. Trans. R. Soc. Lond. B , vol.357 , pp. 471-492
    • Dres, M.1    Mallet, J.2
  • 14
    • 84982591050 scopus 로고
    • An ultrastructural analysis of the development of mycorrhizas in Monotropa hypopitys L.
    • Dudderidge, J. A. & Read, D. J. 1982 An ultrastructural analysis of the development of mycorrhizas in Monotropa hypopitys L. New Phytol. 92, 203-214.
    • (1982) New Phytol. , vol.92 , pp. 203-214
    • Dudderidge, J.A.1    Read, D.J.2
  • 15
    • 0348119500 scopus 로고    scopus 로고
    • Molecular kinship analyses of the agaricoid Russulaceae: Correspondence with mycorrhizal anatomy and sporocarp features in the genus Russula
    • Eberhardt, U. 2002 Molecular kinship analyses of the agaricoid Russulaceae: correspondence with mycorrhizal anatomy and sporocarp features in the genus Russula. Mycological Prog. 1, 201-223.
    • (2002) Mycological Prog. , vol.1 , pp. 201-223
    • Eberhardt, U.1
  • 16
    • 0026681074 scopus 로고
    • Analysis of molecular variance inferred from metric distances among DNA haplotypes: Application to human mitochondrial DNA restriction data
    • Excoffier, L., Smouse, P. E. & Quattro, J. M. 1992 Analysis of molecular variance inferred from metric distances among DNA haplotypes: application to human mitochondrial DNA restriction data. Genetics 131, 479-491.
    • (1992) Genetics , vol.131 , pp. 479-491
    • Excoffier, L.1    Smouse, P.E.2    Quattro, J.M.3
  • 17
    • 0032563251 scopus 로고    scopus 로고
    • 'Inordinate fondness' explained: Why are there so many beetles?
    • Farrell, B. D. 1998 'Inordinate fondness' explained: why are there so many beetles? Science 281, 555-559.
    • (1998) Science , vol.281 , pp. 555-559
    • Farrell, B.D.1
  • 18
    • 0034641935 scopus 로고    scopus 로고
    • Natural selection and sympatric divergence in the apple maggot Rhagoletis pomonella
    • Filchak, K. E., Roethele, J. B. & Feder, J. L. 2000 Natural selection and sympatric divergence in the apple maggot Rhagoletis pomonella. Nature 407, 739-742.
    • (2000) Nature , vol.407 , pp. 739-742
    • Filchak, K.E.1    Roethele, J.B.2    Feder, J.L.3
  • 19
    • 0010603365 scopus 로고    scopus 로고
    • A monograph of Corallorhiza (Orchidaceae)
    • Freudenstein, J. V. 1997 A monograph of Corallorhiza (Orchidaceae). Harvard Pap. Bot. 10, 5-51.
    • (1997) Harvard Pap. Bot. , vol.10 , pp. 5-51
    • Freudenstein, J.V.1
  • 20
    • 0028110620 scopus 로고
    • Plastid DNA, morphological variation, and the phylogenetic species concept: The Corallorhiza maculata (Orchidaceae) complex
    • Freudenstein, J. V. & Doyle, J. J. 1994 Plastid DNA, morphological variation, and the phylogenetic species concept: the Corallorhiza maculata (Orchidaceae) complex. Syst. Bot. 19, 273-290.
    • (1994) Syst. Bot. , vol.19 , pp. 273-290
    • Freudenstein, J.V.1    Doyle, J.J.2
  • 21
    • 0030303556 scopus 로고    scopus 로고
    • The evolution of host specialization: Are trade-offs overrated?
    • Fry, J. D. 1996 The evolution of host specialization: are trade-offs overrated? Am. Nat. 148(11), S84-S107.
    • (1996) Am. Nat. , vol.148 , Issue.11
    • Fry, J.D.1
  • 22
    • 0024187005 scopus 로고
    • The evolution of ecological specialization
    • Futuyma, D. J. & Moreno, G. 1988 The evolution of ecological specialization. A. Rev. Ecol. Syst. 19, 207-233.
    • (1988) A. Rev. Ecol. Syst. , vol.19 , pp. 207-233
    • Futuyma, D.J.1    Moreno, G.2
  • 24
    • 0029531224 scopus 로고
    • Spurring plant diversification: Are floral nectar spurs a key innovation?
    • Hodges, S. A. & Arnold, M. L. 1995 Spurring plant diversification: are floral nectar spurs a key innovation? Proc. R. Soc. Lond. B 262, 343-348.
    • (1995) Proc. R. Soc. Lond. B , vol.262 , pp. 343-348
    • Hodges, S.A.1    Arnold, M.L.2
  • 25
    • 0000267002 scopus 로고
    • Concluding remarks
    • ed. M. Demerec, New York: Cold Spring Harbor Press
    • Hutchinson, G. E. 1958 Concluding remarks. In Population studies: animal ecology and demography, vol. 22 (ed. M. Demerec), pp. 415-427. New York: Cold Spring Harbor Press.
    • (1958) Population Studies: Animal Ecology and Demography , vol.22 , pp. 415-427
    • Hutchinson, G.E.1
  • 26
    • 0031924226 scopus 로고    scopus 로고
    • Butterflies and plants: A phylogenetic study
    • Janz, N. & Nylin, S. 1998 Butterflies and plants: a phylogenetic study. Evolution 52, 486-502.
    • (1998) Evolution , vol.52 , pp. 486-502
    • Janz, N.1    Nylin, S.2
  • 27
    • 0029661415 scopus 로고    scopus 로고
    • Conditions for sympatric speciation: A diploid model incorporating habitat fidelity and non-habitat assortative mating
    • Johnson, P. A., Hoppensteadt, F. C., Smith, J. J. & Bush, G. L. 1996 Conditions for sympatric speciation: a diploid model incorporating habitat fidelity and non-habitat assortative mating. Evol. Ecol. 10, 187-205.
    • (1996) Evol. Ecol. , vol.10 , pp. 187-205
    • Johnson, P.A.1    Hoppensteadt, F.C.2    Smith, J.J.3    Bush, G.L.4
  • 28
    • 0001118969 scopus 로고
    • On the evolution of non-specific mutualism
    • Law, R. & Koptur, S. 1986 On the evolution of non-specific mutualism. Biol. J. Linn. Soc. 27, 251-267.
    • (1986) Biol. J. Linn. Soc. , vol.27 , pp. 251-267
    • Law, R.1    Koptur, S.2
  • 29
    • 0027975307 scopus 로고
    • Tansley review no. 69. The biology of mycoheterotrophic ('saprophytic') plants
    • Leake, J. R. 1994 Tansley review no. 69. The biology of mycoheterotrophic ('saprophytic') plants. New Phytol. 127, 171-216.
    • (1994) New Phytol. , vol.127 , pp. 171-216
    • Leake, J.R.1
  • 30
    • 0036679128 scopus 로고    scopus 로고
    • The metapopulation genetic algorithm: An efficient solution for the problem of large phylogeny estimation
    • Lemmon, A. R. & Milinkovitch, M. C. 2002 The metapopulation genetic algorithm: an efficient solution for the problem of large phylogeny estimation. Proc. Natl Acad. Sci. USA 99, 10516-10521.
    • (2002) Proc. Natl. Acad. Sci. USA , vol.99 , pp. 10516-10521
    • Lemmon, A.R.1    Milinkovitch, M.C.2
  • 31
    • 0001493328 scopus 로고
    • Genetic equilibrium when more than one ecological niche is available
    • Levene, H. 1953 Genetic equilibrium when more than one ecological niche is available. Am. Nat. 87, 331-333.
    • (1953) Am. Nat. , vol.87 , pp. 331-333
    • Levene, H.1
  • 32
    • 0032695681 scopus 로고    scopus 로고
    • Correlated trophic specialization and genetic divergence in sympatric lake whitefish ecotypes (Coregonus clupeaformis): Support for the ecological speciation hypothesis
    • Lu, G. & Bernatchez, L. 1999 Correlated trophic specialization and genetic divergence in sympatric lake whitefish ecotypes (Coregonus clupeaformis): support for the ecological speciation hypothesis. Evolution 53, 1491-1505.
    • (1999) Evolution , vol.53 , pp. 1491-1505
    • Lu, G.1    Bernatchez, L.2
  • 33
    • 0034119732 scopus 로고    scopus 로고
    • Symbiotic germination and development of myco-heterotrophic plants in nature: Ontogeny of Corallorhiza trifida and characterization of its mycorrhizal fungi
    • McKendrick, S. L., Leake, J. R., Taylor, D. L. & Read, D. J. 2000 Symbiotic germination and development of myco-heterotrophic plants in nature: ontogeny of Corallorhiza trifida and characterization of its mycorrhizal fungi. New Phytol. 145, 523-537.
    • (2000) New Phytol. , vol.145 , pp. 523-537
    • McKendrick, S.L.1    Leake, J.R.2    Taylor, D.L.3    Read, D.J.4
  • 34
    • 0029666845 scopus 로고    scopus 로고
    • A trade-off for host plant utilization in the black bean aphid, Aphis fabae
    • MacKenzie, A. 1996 A trade-off for host plant utilization in the black bean aphid, Aphis fabae. Evolution 50, 155-162.
    • (1996) Evolution , vol.50 , pp. 155-162
    • MacKenzie, A.1
  • 35
    • 0001495563 scopus 로고
    • Ecological and evolutionary significance of mycorrhizal symbioses in vascular plants (a review)
    • Malloch, D. W., Pirozynski, K. A. & Raven, P. H. 1980 Ecological and evolutionary significance of mycorrhizal symbioses in vascular plants (a review). Proc. Natl Acad. Sci. USA 77, 2113-2118.
    • (1980) Proc. Natl. Acad. Sci. USA , vol.77 , pp. 2113-2118
    • Malloch, D.W.1    Pirozynski, K.A.2    Raven, P.H.3
  • 37
    • 0036274726 scopus 로고    scopus 로고
    • Molecular phylogeny of the genus Russula in Europe with a comparison of modern infrageneric classifications
    • Miller, S. L. & Buyck, B. 2002 Molecular phylogeny of the genus Russula in Europe with a comparison of modern infrageneric classifications. Mycological Res. 106, 259-276.
    • (2002) Mycological Res. , vol.106 , pp. 259-276
    • Miller, S.L.1    Buyck, B.2
  • 38
    • 0026278662 scopus 로고
    • Phylogenetic studies of insect-plant interactions: Insights into the genesis of diversity
    • Mitter, C., Farrell, B. & Futuyma, D. J. 1991 Phylogenetic studies of insect-plant interactions: insights into the genesis of diversity. Trends Ecol. Evol. 6, 290-293.
    • (1991) Trends Ecol. Evol. , vol.6 , pp. 290-293
    • Mitter, C.1    Farrell, B.2    Futuyma, D.J.3
  • 39
    • 0001937127 scopus 로고
    • Specificity phenomena in mycorrhizal symbioses: Community-ecological consequences and practical implications
    • ed. M. F. Allen, New York: Chapman & Hall
    • Molina, R., Massicotte, H. & Trappe, J. M. 1992 Specificity phenomena in mycorrhizal symbioses: community-ecological consequences and practical implications. In Mycorrhizal functioning: an integrative plant-fungal process (ed. M. F. Allen), pp. 357-423. New York: Chapman & Hall.
    • (1992) Mycorrhizal Functioning: An Integrative Plant-fungal Process , pp. 357-423
    • Molina, R.1    Massicotte, H.2    Trappe, J.M.3
  • 40
    • 0036860563 scopus 로고    scopus 로고
    • Diversity and host specificity of endophytic Rhizoctonia-like fungi from tropical orchids
    • Otero, J. T., Ackerman, J. D. & Bayman, P. 2002 Diversity and host specificity of endophytic Rhizoctonia-like fungi from tropical orchids. Am. J. Bot. 89, 1852-1858.
    • (2002) Am. J. Bot. , vol.89 , pp. 1852-1858
    • Otero, J.T.1    Ackerman, J.D.2    Bayman, P.3
  • 42
    • 0021548116 scopus 로고
    • Disruptive selection on habitat preference and the evolution of reproductive isolation: A simulation study
    • Rice, W. R. 1984 Disruptive selection on habitat preference and the evolution of reproductive isolation: a simulation study. Evolution 38, 1251-1260.
    • (1984) Evolution , vol.38 , pp. 1251-1260
    • Rice, W.R.1
  • 43
    • 0026610764 scopus 로고
    • Evolution of ecological differences in the Old World leaf warblers
    • Richman, A. D. & Price, T. 1992 Evolution of ecological differences in the Old World leaf warblers. Nature 355, 817-821.
    • (1992) Nature , vol.355 , pp. 817-821
    • Richman, A.D.1    Price, T.2
  • 44
    • 0033955524 scopus 로고    scopus 로고
    • Natural selection and parallel speciation in sympatric sticklebacks
    • Rundle, H. D., Nagel, L., Boughman, J. W. & Schluter, D. 2000 Natural selection and parallel speciation in sympatric sticklebacks. Science 287, 306-308.
    • (2000) Science , vol.287 , pp. 306-308
    • Rundle, H.D.1    Nagel, L.2    Boughman, J.W.3    Schluter, D.4
  • 45
    • 0021695885 scopus 로고
    • Ribosomal DNA spacer-length polymorphisms in barley: Mendelian inheritance, chromosomal location and population dynamics
    • Saghai-Maroof, M. A., Jtliman, K. M., Jorgensen, R. A. & Allard, R. W. 1984 Ribosomal DNA spacer-length polymorphisms in barley: Mendelian inheritance, chromosomal location and population dynamics. Proc. Natl Acad. Sci. USA 81, 8014-8018.
    • (1984) Proc. Natl. Acad. Sci. USA , vol.81 , pp. 8014-8018
    • Saghai-Maroof, M.A.1    Jtliman, K.M.2    Jorgensen, R.A.3    Allard, R.W.4
  • 46
    • 0028976903 scopus 로고
    • Adaptive radiation in sticklebacks: Trade-offs in feeding performance and growth
    • Schluter, D. 1995 Adaptive radiation in sticklebacks: trade-offs in feeding performance and growth. Ecology 76, 82-90.
    • (1995) Ecology , vol.76 , pp. 82-90
    • Schluter, D.1
  • 49
    • 0021066244 scopus 로고
    • Evolutionary relationship of DNA sequences in finite populations
    • Tajima, F. 1983 Evolutionary relationship of DNA sequences in finite populations. Genetics 105, 437-460.
    • (1983) Genetics , vol.105 , pp. 437-460
    • Tajima, F.1
  • 50
    • 0033855732 scopus 로고    scopus 로고
    • A new dawn: The ecological genetics of mycorrhizal fungi
    • Taylor, D. L. 2000 A new dawn: the ecological genetics of mycorrhizal fungi. New Phytol. 147, 236-239.
    • (2000) New Phytol. , vol.147 , pp. 236-239
    • Taylor, D.L.1
  • 51
    • 0030902257 scopus 로고    scopus 로고
    • Independent, specialized invasions of ectomycorrhizal mutualism by two nonphotosynthetic orchids
    • Taylor, D. L. & Bruns, T. D. 1997 Independent, specialized invasions of ectomycorrhizal mutualism by two nonphotosynthetic orchids. Proc. Natl Acad. Sci. USA 94, 4510-4515.
    • (1997) Proc. Natl. Acad. Sci. USA , vol.94 , pp. 4510-4515
    • Taylor, D.L.1    Bruns, T.D.2
  • 52
    • 0032694999 scopus 로고    scopus 로고
    • Population, habitat and genetic correlates of mycorrhizal specialization in the 'cheating' orchids Corallorhiza maculata and C. mertensiana
    • Taylor, D. L. & Bruns, T. D. 1999 Population, habitat and genetic correlates of mycorrhizal specialization in the 'cheating' orchids Corallorhiza maculata and C. mertensiana. Mol. Ecol. 8, 1719-1732.
    • (1999) Mol. Ecol. , vol.8 , pp. 1719-1732
    • Taylor, D.L.1    Bruns, T.D.2
  • 53
    • 0003365802 scopus 로고    scopus 로고
    • Mycorrhizal specificity and function in myco-heterotrophic plants
    • ed. M. G. A. van der Heijden & I. R. Sanders, Berlin: Springer
    • Taylor, D. L., Bruns, T. D., Leake, J. R. & Read, D. J. 2002 Mycorrhizal specificity and function in myco-heterotrophic plants. In The ecology of mycorrhizas, vol. 157 (ed. M. G. A. van der Heijden & I. R. Sanders), pp. 375-414. Berlin: Springer.
    • (2002) The Ecology of Mycorrhizas , vol.157 , pp. 375-414
    • Taylor, D.L.1    Bruns, T.D.2    Leake, J.R.3    Read, D.J.4
  • 54
    • 0031574072 scopus 로고    scopus 로고
    • The CLUSTAL-X windows interface: Flexible strategies for multiple sequence alignment aided by quality analysis tools
    • Thompson, J. D., Gibson, T. J., Plewniak, F., Jeanmougin, F. & Higgins, D. G. 1997 The CLUSTAL-X windows interface: flexible strategies for multiple sequence alignment aided by quality analysis tools. Nucleic Acids Res. 25, 4876-4882.
    • (1997) Nucleic Acids Res. , vol.25 , pp. 4876-4882
    • Thompson, J.D.1    Gibson, T.J.2    Plewniak, F.3    Jeanmougin, F.4    Higgins, D.G.5
  • 57
    • 0032746188 scopus 로고    scopus 로고
    • Reproductive isolation between sympatric races of pea aphids. I. Gene flow restriction and habitat choice
    • Via, S. 1999 Reproductive isolation between sympatric races of pea aphids. I. Gene flow restriction and habitat choice. Evolution 53, 1446-1457.
    • (1999) Evolution , vol.53 , pp. 1446-1457
    • Via, S.1
  • 58
    • 0036175615 scopus 로고    scopus 로고
    • The genetic architecture of ecological specialization: Correlated gene effects on host use and habitat choice in pea aphids
    • Via, S. & Hawthorne, D. J. 2002 The genetic architecture of ecological specialization: correlated gene effects on host use and habitat choice in pea aphids. Am. Nat. 159(3), S76-S88.
    • (2002) Am. Nat. , vol.159 , Issue.3
    • Via, S.1    Hawthorne, D.J.2
  • 59
    • 0000432452 scopus 로고
    • Amplification and direct sequencing of fungal ribosomal RNA genes for phylogenetics
    • ed. M. A. Innis, D. H. Gelfand, J. J. Sninsky & T. J. White, San Diego, CA: Academic
    • White, T. J., Bruns, T., Lee, S. & Taylor, J. 1990 Amplification and direct sequencing of fungal ribosomal RNA genes for phylogenetics. In PCR protocols: a guide to methods and applications (ed. M. A. Innis, D. H. Gelfand, J. J. Sninsky & T. J. White), pp. 315-322. San Diego, CA: Academic.
    • (1990) PCR Protocols: A Guide to Methods and Applications , pp. 315-322
    • White, T.J.1    Bruns, T.2    Lee, S.3    Taylor, J.4
  • 60
    • 0030303565 scopus 로고    scopus 로고
    • The red queen beats the jack-of-all-trades: The limitations on the evolution of phenotypic plasticity and niche breadth
    • Whitlock, M. C. 1996 The red queen beats the jack-of-all-trades: the limitations on the evolution of phenotypic plasticity and niche breadth. Am. Nat. 148(11), S65-S77.
    • (1996) Am. Nat. , vol.148 , Issue.11
    • Whitlock, M.C.1


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