메뉴 건너뛰기




Volumn 196, Issue 3, 2012, Pages 945-954

Geometric morphometrics of corolla shape: Dissecting components of symmetric and asymmetric variation in Erysimum mediohispanicum (Brassicaceae)

Author keywords

Corolla shape; Erysimum mediohispanicum; Evolution; Fluctuating asymmetry; Geometric morphometrics; Procrustes fit; Symmetry

Indexed keywords

ASYMMETRY; DICOTYLEDON; FLORAL TRAIT; FUTURE PROSPECT; GEOMETRY; MORPHOMETRY; PRINCIPAL COMPONENT ANALYSIS; SYMMETRY; WILD POPULATION;

EID: 84867372791     PISSN: 0028646X     EISSN: 14698137     Source Type: Journal    
DOI: 10.1111/j.1469-8137.2012.04312.x     Document Type: Article
Times cited : (57)

References (91)
  • 2
    • 77749279541 scopus 로고    scopus 로고
    • Leaf fluctuating asymmetry increases with hybridization and introgression between Quercus magnoliifolia and Quercus resinosa (Fagaceae) through an altitudinal gradient in Mexico
    • Albarrán-Lara AL, Mendoza-Cuenca L, Valencia-Avalos S, González-Rodríguez A, Oyama K. 2010. Leaf fluctuating asymmetry increases with hybridization and introgression between Quercus magnoliifolia and Quercus resinosa (Fagaceae) through an altitudinal gradient in Mexico. International Journal of Plant Sciences 171: 310-322.
    • (2010) International Journal of Plant Sciences , vol.171 , pp. 310-322
    • Albarrán-Lara, A.L.1    Mendoza-Cuenca, L.2    Valencia-Avalos, S.3    González-Rodríguez, A.4    Oyama, K.5
  • 6
    • 79851506086 scopus 로고    scopus 로고
    • Changes in expression pattern of the TEOSINTE BRANCHED1-like genes in the Zingiberales provide a mechanism for evolutionary shifts in symmetry across the order
    • Bartlett ME, Specht CD. 2011. Changes in expression pattern of the TEOSINTE BRANCHED1-like genes in the Zingiberales provide a mechanism for evolutionary shifts in symmetry across the order. American Journal of Botany 98: 227-243.
    • (2011) American Journal of Botany , vol.98 , pp. 227-243
    • Bartlett, M.E.1    Specht, C.D.2
  • 7
    • 70350407497 scopus 로고    scopus 로고
    • Variable selection patterns on the labellum shape of Geoblasta pennicillata, a sexually deceptive orchid
    • Benitez-Vieyra S, Medina AM, Cocucci AA. 2009. Variable selection patterns on the labellum shape of Geoblasta pennicillata, a sexually deceptive orchid. Journal of Evolutionary Biology 22: 2354-2362.
    • (2009) Journal of Evolutionary Biology , vol.22 , pp. 2354-2362
    • Benitez-Vieyra, S.1    Medina, A.M.2    Cocucci, A.A.3
  • 8
    • 0031107378 scopus 로고    scopus 로고
    • Landmark methods for forms without landmarks: morphometrics of group differences in outline shape
    • Bookstein FL. 1997. Landmark methods for forms without landmarks: morphometrics of group differences in outline shape. Medical Image Analysis 1: 225-243.
    • (1997) Medical Image Analysis , vol.1 , pp. 225-243
    • Bookstein, F.L.1
  • 10
    • 35748942981 scopus 로고    scopus 로고
    • A single basis for developmental buffering of Drosophila wing shape
    • Breuker CJ, Patterson JS, Klingenberg CP. 2006b. A single basis for developmental buffering of Drosophila wing shape. PLoS ONE 1: e7.
    • (2006) PLoS ONE , vol.1
    • Breuker, C.J.1    Patterson, J.S.2    Klingenberg, C.P.3
  • 13
    • 70549090096 scopus 로고    scopus 로고
    • Flower symmetry evolution: towards understanding the abominable mystery of angiosperm radiation
    • Busch A, Zachgo S. 2009. Flower symmetry evolution: towards understanding the abominable mystery of angiosperm radiation. BioEssays 31: 1181-1190.
    • (2009) BioEssays , vol.31 , pp. 1181-1190
    • Busch, A.1    Zachgo, S.2
  • 15
    • 0030451915 scopus 로고    scopus 로고
    • Floral symmetry
    • Coen ES. 1996. Floral symmetry. EMBO Journal 15: 6777-6788.
    • (1996) EMBO Journal , vol.15 , pp. 6777-6788
    • Coen, E.S.1
  • 18
  • 23
    • 49749131505 scopus 로고    scopus 로고
    • Flower morphology, pollination biology and mating system of the complex flower of Vigna caracalla (Fabaceae: Papilionoideae)
    • Etcheverry AV, Alemán MM, Fleming TF. 2008. Flower morphology, pollination biology and mating system of the complex flower of Vigna caracalla (Fabaceae: Papilionoideae). Annals of Botany 102: 305-316.
    • (2008) Annals of Botany , vol.102 , pp. 305-316
    • Etcheverry, A.V.1    Alemán, M.M.2    Fleming, T.F.3
  • 26
    • 34547681256 scopus 로고    scopus 로고
    • A method for quantifying rotational symmetry
    • Frey FM, Robertson A, Bukoski M. 2007. A method for quantifying rotational symmetry. New Phytologist 175: 785-791.
    • (2007) New Phytologist , vol.175 , pp. 785-791
    • Frey, F.M.1    Robertson, A.2    Bukoski, M.3
  • 28
    • 84862339757 scopus 로고    scopus 로고
    • Floral shape mimicry and variation in sexually deceptive orchids with a shared pollinator
    • Gaskett AC. 2012. Floral shape mimicry and variation in sexually deceptive orchids with a shared pollinator. Biological Journal of the Linnean Society 106: 469-481.
    • (2012) Biological Journal of the Linnean Society , vol.106 , pp. 469-481
    • Gaskett, A.C.1
  • 30
    • 42449102972 scopus 로고    scopus 로고
    • Dispersal-mediated selection on plant height in an autochorously dispersed herb
    • Gómez JM. 2007. Dispersal-mediated selection on plant height in an autochorously dispersed herb. Plant Systematics and Evolution 268: 119-130.
    • (2007) Plant Systematics and Evolution , vol.268 , pp. 119-130
    • Gómez, J.M.1
  • 32
    • 66749157308 scopus 로고    scopus 로고
    • Heritability and genetic correlation of corolla shape and size in Erysimum mediohispanicum
    • Gómez JM, Abdelaziz M, Muñoz-Pajares J, Perfectti F. 2009b. Heritability and genetic correlation of corolla shape and size in Erysimum mediohispanicum. Evolution 63: 1820-1831.
    • (2009) Evolution , vol.63 , pp. 1820-1831
    • Gómez, J.M.1    Abdelaziz, M.2    Muñoz-Pajares, J.3    Perfectti, F.4
  • 34
  • 35
    • 66149096222 scopus 로고    scopus 로고
    • A geographic selection mosaic in a generalized plant-pollinator-herbivore system
    • Gómez JM, Perfectti F, Bosch J, Camacho JPM. 2009c. A geographic selection mosaic in a generalized plant-pollinator-herbivore system. Ecological Monographs 79: 245-263.
    • (2009) Ecological Monographs , vol.79 , pp. 245-263
    • Gómez, J.M.1    Perfectti, F.2    Bosch, J.3    Camacho, J.P.M.4
  • 36
    • 33750065413 scopus 로고    scopus 로고
    • Natural selection on Erysimum mediohispanicum flower shape: insights into the evolution of zygomorphy
    • Gómez JM, Perfectti F, Camacho JPM. 2006. Natural selection on Erysimum mediohispanicum flower shape: insights into the evolution of zygomorphy. American Naturalist 168: 531-545.
    • (2006) American Naturalist , vol.168 , pp. 531-545
    • Gómez, J.M.1    Perfectti, F.2    Camacho, J.P.M.3
  • 37
    • 0000142472 scopus 로고
    • Procrustes methods in the statistical analysis of shape
    • Goodall CR. 1991. Procrustes methods in the statistical analysis of shape. Journal of the Royal Statistical Society B 53: 285-339.
    • (1991) Journal of the Royal Statistical Society B , vol.53 , pp. 285-339
    • Goodall, C.R.1
  • 38
    • 0027498835 scopus 로고
    • Selection on floral morphology and environmental determinants of fecundity in a hawk moth-pollinated violet
    • Herrera CM. 1993. Selection on floral morphology and environmental determinants of fecundity in a hawk moth-pollinated violet. Ecological Monographs 63: 251-275.
    • (1993) Ecological Monographs , vol.63 , pp. 251-275
    • Herrera, C.M.1
  • 40
    • 79958860151 scopus 로고    scopus 로고
    • Diversification of CYCLOIDEA expression in the evolution of bilateral flower symmetry in Caprifoliaceae and Lonicera (Dipsacales)
    • Howarth DG, Martins T, Chimney E, Donoghue MJ. 2011. Diversification of CYCLOIDEA expression in the evolution of bilateral flower symmetry in Caprifoliaceae and Lonicera (Dipsacales). Annals of Botany 107: 1521-1532.
    • (2011) Annals of Botany , vol.107 , pp. 1521-1532
    • Howarth, D.G.1    Martins, T.2    Chimney, E.3    Donoghue, M.J.4
  • 41
    • 66249102650 scopus 로고    scopus 로고
    • A comparison of covariance structure in wild and laboratory muroid crania
    • Jamniczky HA, Hallgrímsson B. 2009. A comparison of covariance structure in wild and laboratory muroid crania. Evolution 63: 1540-1556.
    • (2009) Evolution , vol.63 , pp. 1540-1556
    • Jamniczky, H.A.1    Hallgrímsson, B.2
  • 43
    • 0037071838 scopus 로고    scopus 로고
    • Solving the puzzle of mirror-image flowers
    • Jesson LK, Barrett SCH. 2002b. Solving the puzzle of mirror-image flowers. Nature 417: 707.
    • (2002) Nature , vol.417 , pp. 707
    • Jesson, L.K.1    Barrett, S.C.H.2
  • 46
    • 0000721715 scopus 로고    scopus 로고
    • Shape, Procrustes tangent projections and bilateral symmetry
    • Kent JT, Mardia KV. 2001. Shape, Procrustes tangent projections and bilateral symmetry. Biometrika 88: 469-485.
    • (2001) Biometrika , vol.88 , pp. 469-485
    • Kent, J.T.1    Mardia, K.V.2
  • 47
    • 56449108529 scopus 로고    scopus 로고
    • Regulatory genes control a key morphological and ecological trait transferred between species
    • Kim M, Cui M-L, Cubas P, Gillies A, Lee K, Chapman MA, Abbott RJ, Coen E. 2008. Regulatory genes control a key morphological and ecological trait transferred between species. Science 322: 1116-1119.
    • (2008) Science , vol.322 , pp. 1116-1119
    • Kim, M.1    Cui, M.-L.2    Cubas, P.3    Gillies, A.4    Lee, K.5    Chapman, M.A.6    Abbott, R.J.7    Coen, E.8
  • 48
    • 0012195531 scopus 로고    scopus 로고
    • A developmental perspective on developmental instability: theory, models and mechanisms
    • Polak M, ed. New York, NY, USA: Oxford University Press
    • Klingenberg CP. 2003 A developmental perspective on developmental instability: theory, models and mechanisms. In: Polak M, ed. Developmental instability: causes and consequences. New York, NY, USA: Oxford University Press, 14-34.
    • (2003) Developmental instability: causes and consequences , pp. 14-34
    • Klingenberg, C.P.1
  • 49
    • 69549116333 scopus 로고    scopus 로고
    • Novelty and "homology-free" morphometrics: what's in a name?
    • Klingenberg CP. 2008. Novelty and "homology-free" morphometrics: what's in a name? Evolutionary Biology 35: 186-190.
    • (2008) Evolutionary Biology , vol.35 , pp. 186-190
    • Klingenberg, C.P.1
  • 50
    • 77955922325 scopus 로고    scopus 로고
    • Evolution and development of shape: integrating quantitative approaches
    • Klingenberg CP. 2010. Evolution and development of shape: integrating quantitative approaches. Nature Reviews Genetics 11: 623-635.
    • (2010) Nature Reviews Genetics , vol.11 , pp. 623-635
    • Klingenberg, C.P.1
  • 51
    • 78650839801 scopus 로고    scopus 로고
    • MorphoJ: an integrated software package for geometric morphometrics
    • Klingenberg CP. 2011. MorphoJ: an integrated software package for geometric morphometrics. Molecular Ecology Resources 11: 353-357.
    • (2011) Molecular Ecology Resources , vol.11 , pp. 353-357
    • Klingenberg, C.P.1
  • 52
    • 0036807802 scopus 로고    scopus 로고
    • Shape analysis of symmetric structures: quantifying variation among individuals and asymmetry
    • Klingenberg CP, Barluenga M, Meyer A. 2002. Shape analysis of symmetric structures: quantifying variation among individuals and asymmetry. Evolution 56: 1909-1920.
    • (2002) Evolution , vol.56 , pp. 1909-1920
    • Klingenberg, C.P.1    Barluenga, M.2    Meyer, A.3
  • 53
    • 83555179120 scopus 로고    scopus 로고
    • Developmental plasticity, morphological variation and evolvability: a multilevel analysis of morphometric integration in the shape of compound leaves
    • Klingenberg CP, Duttke S, Whelan S, Kim M. 2012. Developmental plasticity, morphological variation and evolvability: a multilevel analysis of morphometric integration in the shape of compound leaves. Journal of Evolutionary Biology 25: 115-129.
    • (2012) Journal of Evolutionary Biology , vol.25 , pp. 115-129
    • Klingenberg, C.P.1    Duttke, S.2    Whelan, S.3    Kim, M.4
  • 54
    • 0031731745 scopus 로고    scopus 로고
    • Geometric morphometrics of developmental instability: analyzing patterns of fluctuating asymmetry with Procrustes methods
    • Klingenberg CP, McIntyre GS. 1998. Geometric morphometrics of developmental instability: analyzing patterns of fluctuating asymmetry with Procrustes methods. Evolution 52: 1363-1375.
    • (1998) Evolution , vol.52 , pp. 1363-1375
    • Klingenberg, C.P.1    McIntyre, G.S.2
  • 56
    • 0141564962 scopus 로고    scopus 로고
    • Developmental integration in a complex morphological structure: how distinct are the modules in the mouse mandible?
    • Klingenberg CP, Mebus K, Auffray J-C. 2003. Developmental integration in a complex morphological structure: how distinct are the modules in the mouse mandible? Evolution & Development 5: 522-531.
    • (2003) Evolution & Development , vol.5 , pp. 522-531
    • Klingenberg, C.P.1    Mebus, K.2    Auffray, J.-C.3
  • 57
    • 0033044478 scopus 로고    scopus 로고
    • Genetics of fluctuating asymmetry: a developmental model of developmental instability
    • Klingenberg CP, Nijhout HF. 1999. Genetics of fluctuating asymmetry: a developmental model of developmental instability. Evolution 53: 358-375.
    • (1999) Evolution , vol.53 , pp. 358-375
    • Klingenberg, C.P.1    Nijhout, H.F.2
  • 60
    • 0021593755 scopus 로고
    • Morphometric studies in inbred and hybrid house mice. V. Directional and fluctuating asymmetry
    • Leamy L. 1984. Morphometric studies in inbred and hybrid house mice. V. Directional and fluctuating asymmetry. American Naturalist 123: 579-593.
    • (1984) American Naturalist , vol.123 , pp. 579-593
    • Leamy, L.1
  • 62
    • 38049084767 scopus 로고    scopus 로고
    • Patterns and development of floral asymmetry in Senna (Leguminosae, Cassinae)
    • Marazzi B, Endress PK. 2008. Patterns and development of floral asymmetry in Senna (Leguminosae, Cassinae). American Journal of Botany 95: 22-40.
    • (2008) American Journal of Botany , vol.95 , pp. 22-40
    • Marazzi, B.1    Endress, P.K.2
  • 63
    • 0001059927 scopus 로고    scopus 로고
    • Statistical assessment of bilateral symmetry of shapes
    • Mardia KV, Bookstein FL, Moreton IJ. 2000. Statistical assessment of bilateral symmetry of shapes. Biometrika 87: 285-300.
    • (2000) Biometrika , vol.87 , pp. 285-300
    • Mardia, K.V.1    Bookstein, F.L.2    Moreton, I.J.3
  • 69
    • 77955954313 scopus 로고    scopus 로고
    • Pollinator-mediated selection in a specialized pollination system: matches and mismatches across populations
    • Nattero J, Cocucci AA, Medel R. 2010. Pollinator-mediated selection in a specialized pollination system: matches and mismatches across populations. Journal of Evolutionary Biology 23: 1957-1968.
    • (2010) Journal of Evolutionary Biology , vol.23 , pp. 1957-1968
    • Nattero, J.1    Cocucci, A.A.2    Medel, R.3
  • 71
    • 77949568758 scopus 로고    scopus 로고
    • Differences in the diversity and composition of the pollinator assemblage of two co-flowering congeneric alpine wallflowers, Erysimum nevadense and E. baeticum
    • Ortigosa AL, Gómez JM. 2010. Differences in the diversity and composition of the pollinator assemblage of two co-flowering congeneric alpine wallflowers, Erysimum nevadense and E. baeticum. Flora 205: 266-275.
    • (2010) Flora , vol.205 , pp. 266-275
    • Ortigosa, A.L.1    Gómez, J.M.2
  • 73
    • 0032716503 scopus 로고    scopus 로고
    • Analysis of genotypic differences in developmental stability in Anona cherimola
    • Perfectti F, Camacho JPM. 1999. Analysis of genotypic differences in developmental stability in Anona cherimola. Evolution 53: 1396-1405.
    • (1999) Evolution , vol.53 , pp. 1396-1405
    • Perfectti, F.1    Camacho, J.P.M.2
  • 75
    • 34249031140 scopus 로고    scopus 로고
    • Morphological and ecological variation within the Achnanthidium minutissimum (Bacillariophyceae) species complex
    • Potapova M, Hamilton PB. 2007. Morphological and ecological variation within the Achnanthidium minutissimum (Bacillariophyceae) species complex. Journal of Phycology 43: 561-575.
    • (2007) Journal of Phycology , vol.43 , pp. 561-575
    • Potapova, M.1    Hamilton, P.B.2
  • 76
    • 61649124085 scopus 로고    scopus 로고
    • Developmental genetics of floral symmetry evolution
    • Preston JC, Hileman LC. 2009. Developmental genetics of floral symmetry evolution. Trends in Plant Science 14: 147-154.
    • (2009) Trends in Plant Science , vol.14 , pp. 147-154
    • Preston, J.C.1    Hileman, L.C.2
  • 77
    • 0037030713 scopus 로고    scopus 로고
    • Hsp90 as a capacitor of phenotypic variation
    • Queitsch C, Sangster TA, Lindquist S. 2002. Hsp90 as a capacitor of phenotypic variation. Nature 417: 618-624.
    • (2002) Nature , vol.417 , pp. 618-624
    • Queitsch, C.1    Sangster, T.A.2    Lindquist, S.3
  • 79
    • 4544310684 scopus 로고    scopus 로고
    • Symmetry is in the eye of the 'beeholder': innate preference for bilateral symmetry in flower-naive bumblebees
    • Rodríguez I, Gumbert A, de Ibarra NH, Kunze J, Giurfa M. 2004. Symmetry is in the eye of the 'beeholder': innate preference for bilateral symmetry in flower-naive bumblebees. Naturwissenschaften 91: 374-377.
    • (2004) Naturwissenschaften , vol.91 , pp. 374-377
    • Rodríguez, I.1    Gumbert, A.2    de Ibarra, N.H.3    Kunze, J.4    Giurfa, M.5
  • 80
    • 0033042726 scopus 로고    scopus 로고
    • Asymmetry of wild mustard, Sinapis arvensis (Brassicaceae), in response to severe physiological stresses
    • Roy BA, Stanton ML. 1999. Asymmetry of wild mustard, Sinapis arvensis (Brassicaceae), in response to severe physiological stresses. Journal of Evolutionary Biology 12: 440-449.
    • (1999) Journal of Evolutionary Biology , vol.12 , pp. 440-449
    • Roy, B.A.1    Stanton, M.L.2
  • 81
    • 17444425082 scopus 로고    scopus 로고
    • SAS Institute Inc. Cary, NC, USA: SAS Institute Inc.
    • SAS Institute Inc. 2004. SAS/IML 9.1 User's Guide. Cary, NC, USA: SAS Institute Inc.
    • (2004) SAS/IML 9.1 User's Guide
  • 82
    • 80053173817 scopus 로고    scopus 로고
    • Beyond bilateral symmetry: geometric morphometric methods for any type of symmetry
    • Savriama Y, Klingenberg CP. 2011. Beyond bilateral symmetry: geometric morphometric methods for any type of symmetry. BMC Evolutionary Biology 11: 280.
    • (2011) BMC Evolutionary Biology , vol.11 , pp. 280
    • Savriama, Y.1    Klingenberg, C.P.2
  • 83
    • 80655127189 scopus 로고    scopus 로고
    • Geometric morphometrics of symmetry and allometry in Micrasterias rotata (Zygnemophyceae, Viridiplantae)
    • Savriama Y, Neustupa J, Klingenberg CP. 2010. Geometric morphometrics of symmetry and allometry in Micrasterias rotata (Zygnemophyceae, Viridiplantae). Nova Hedwigia Supplement 136: 43-54.
    • (2010) Nova Hedwigia Supplement , vol.136 , pp. 43-54
    • Savriama, Y.1    Neustupa, J.2    Klingenberg, C.P.3
  • 85
    • 18644375602 scopus 로고    scopus 로고
    • Geometric morphometrics as a tool for understanding Dactylorhiza (Orchidaceae) diversity in European Russia
    • Shipunov AB, Bateman RM. 2005. Geometric morphometrics as a tool for understanding Dactylorhiza (Orchidaceae) diversity in European Russia. Biological Journal of the Linnean Society 85: 1-12.
    • (2005) Biological Journal of the Linnean Society , vol.85 , pp. 1-12
    • Shipunov, A.B.1    Bateman, R.M.2
  • 86
    • 82855161387 scopus 로고    scopus 로고
    • Deficiency mapping of the genomic regions associated with effects on developmental stability in Drosophila melanogaster
    • Takahashi KH, Okada Y, Teramura K, Tsujino M. 2011. Deficiency mapping of the genomic regions associated with effects on developmental stability in Drosophila melanogaster. Evolution 65: 3565-3577.
    • (2011) Evolution , vol.65 , pp. 3565-3577
    • Takahashi, K.H.1    Okada, Y.2    Teramura, K.3    Tsujino, M.4
  • 87
    • 0037046524 scopus 로고    scopus 로고
    • Microtubule basis for left-handed helical growth in Arabidopsis
    • Thitamadee S, Tuchihara K, Hashimoto T. 2002. Microtubule basis for left-handed helical growth in Arabidopsis. Nature 417: 193-196.
    • (2002) Nature , vol.417 , pp. 193-196
    • Thitamadee, S.1    Tuchihara, K.2    Hashimoto, T.3
  • 88
    • 0033388333 scopus 로고    scopus 로고
    • Evolutionary lability of symmetry in early floral development
    • Tucker SC. 1999. Evolutionary lability of symmetry in early floral development. International Journal of Plant Sciences 160: S25-S39.
    • (1999) International Journal of Plant Sciences , vol.160
    • Tucker, S.C.1
  • 89
    • 0004158366 scopus 로고
    • Princeton, NJ, USA: Princeton University Press.
    • Weyl H. 1952 Symmetry. Princeton, NJ, USA: Princeton University Press.
    • (1952) Symmetry
    • Weyl, H.1
  • 90
    • 33750464209 scopus 로고    scopus 로고
    • Effects of developmental and functional interactions on mouse cranial variability through late ontogeny
    • Willmore KE, Leamy L, Hallgrímsson B. 2006. Effects of developmental and functional interactions on mouse cranial variability through late ontogeny. Evolution & Development 8: 550-567.
    • (2006) Evolution & Development , vol.8 , pp. 550-567
    • Willmore, K.E.1    Leamy, L.2    Hallgrímsson, B.3
  • 91
    • 77950904843 scopus 로고    scopus 로고
    • Floral symmetry genes and the origin and maintenance of zygomorphy in a plant-pollinator mutualism
    • Zhang W, Kramer EM, Davis CR. 2010. Floral symmetry genes and the origin and maintenance of zygomorphy in a plant-pollinator mutualism. Proceedings of the National Academy of Sciences, USA 107: 6388-6393.
    • (2010) Proceedings of the National Academy of Sciences, USA , vol.107 , pp. 6388-6393
    • Zhang, W.1    Kramer, E.M.2    Davis, C.R.3


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.