메뉴 건너뛰기




Volumn 6, Issue , 2006, Pages

Mitochondrial sequence data expose the putative cosmopolitan polychaete Scoloplos armiger (Annelida, Orbiniidae) as a species complex

Author keywords

[No Author keywords available]

Indexed keywords

AMPLIFIED FRAGMENT LENGTH POLYMORPHISM; ANNELID WORM; ARTICLE; COMMUNITY ECOLOGY; CONTROLLED STUDY; GENE SEQUENCE; MITOCHONDRIAL GENETICS; NONHUMAN; PACIFIC OCEAN; PHYLOGENY; RANDOM AMPLIFIED POLYMORPHIC DNA; SCOLOPLOS ARMIGER; SPECIES DIFFERENTIATION; SPECIES IDENTIFICATION; ANIMAL; ATLANTIC OCEAN; CLASSIFICATION; DNA BASE COMPOSITION; ECOSYSTEM; GENETICS; GENOME; HAPLOTYPE; MITOCHONDRIAL GENE; POLYCHAETA; SEQUENCE ALIGNMENT; TEMPERATURE;

EID: 33747690431     PISSN: 14712148     EISSN: 14712148     Source Type: Journal    
DOI: 10.1186/1471-2148-6-47     Document Type: Article
Times cited : (62)

References (57)
  • 1
    • 0038335954 scopus 로고    scopus 로고
    • The macrofauna and main functional interactions in the sill basin sediments of he pristine Holandsfjord, Northern Norway, with autecological reviews for some species
    • Holte B: The macrofauna and main functional interactions in the sill basin sediments of he pristine Holandsfjord, Northern Norway, with autecological reviews for some species. Sarsia 1998, 83:55-68.
    • (1998) Sarsia , vol.83 , pp. 55-68
    • Holte, B.1
  • 2
    • 0035739554 scopus 로고    scopus 로고
    • Macrobenthic community characterisation of an estuary from the western coast of Portugal (Sado estuary) prior to dredging operations
    • Carvalho S, Ravara A, Quintino V, Rodrigues AM: Macrobenthic community characterisation of an estuary from the western coast of Portugal (Sado estuary) prior to dredging operations. Bol Inst Esp Oceanogr 2001, 17:179-190.
    • (2001) Bol Inst Esp Oceanogr , vol.17 , pp. 179-190
    • Carvalho, S.1    Ravara, A.2    Quintino, V.3    Rodrigues, A.M.4
  • 3
    • 0042918049 scopus 로고    scopus 로고
    • Benthos abundance pattern and species composition in conditions of pollution in Amursky Bay (the Peter the Great Bay, the Sea of Japan)
    • Belan T: Benthos abundance pattern and species composition in conditions of pollution in Amursky Bay (the Peter the Great Bay, the Sea of Japan). Mar Poll Bull 2003, 46:1111-1119.
    • (2003) Mar Poll Bull , vol.46 , pp. 1111-1119
    • Belan, T.1
  • 4
    • 0034484561 scopus 로고    scopus 로고
    • The life-cycle of the flatfish nematode Cucullanus heterochrous
    • Koie M: The life-cycle of the flatfish nematode Cucullanus heterochrous. J Helminthol 2000, 74:323-328.
    • (2000) J Helminthol , vol.74 , pp. 323-328
    • Koie, M.1
  • 5
    • 0034493436 scopus 로고    scopus 로고
    • Population dynamics of two marine polychaetes: The relative role of density dependence, predation, and winter conditions
    • van der Meer J, Beukema JJ, Dekker R: Population dynamics of two marine polychaetes: the relative role of density dependence, predation, and winter conditions. ICES J Mar Sci 2000, 57:1488-1494.
    • (2000) ICES J Mar Sci , vol.57 , pp. 1488-1494
    • Van Der Meer, J.1    Beukema, J.J.2    Dekker, R.3
  • 7
    • 1242273928 scopus 로고    scopus 로고
    • Population ecology and genetics of the polychaete Scoloplos armiger (Orbiniidae)
    • Kruse I: Population ecology and genetics of the polychaete Scoloplos armiger (Orbiniidae). Ber Pol Meeresforsch 2003, 438:1-95.
    • (2003) Ber Pol Meeresforsch , vol.438 , pp. 1-95
    • Kruse, I.1
  • 8
    • 84974082737 scopus 로고
    • Observations on the population of Scoloplos armiger at Whitstable
    • Gibbs PE: Observations on the population of Scoloplos armiger at Whitstable. J Mar Biol Ass UK 1968, 48:225-254.
    • (1968) J Mar Biol Ass UK , vol.48 , pp. 225-254
    • Gibbs, P.E.1
  • 9
    • 0031831530 scopus 로고    scopus 로고
    • Common macrofauna dominant species in the sediments of some north Norwegian and Svalbard glacial fjords
    • Holte B, Gulliksen B: Common macrofauna dominant species in the sediments of some north Norwegian and Svalbard glacial fjords. Polar Biol 1998, 19:375-382.
    • (1998) Polar Biol , vol.19 , pp. 375-382
    • Holte, B.1    Gulliksen, B.2
  • 10
    • 0007794390 scopus 로고
    • An alternative mode of larval development in Scoloplos armiger (O. F. Müller, 1776) (Polychaeta, Orbiniidae)
    • Plate S, Husemann E: An alternative mode of larval development in Scoloplos armiger (O. F. Müller, 1776) (Polychaeta, Orbiniidae). Helgol Meeresunters 1991, 45:487-492.
    • (1991) Helgol Meeresunters , vol.45 , pp. 487-492
    • Plate, S.1    Husemann, E.2
  • 11
    • 0017119180 scopus 로고
    • Sibling species in the marine pollution indicator Capitella (Polychaeta)
    • Grassle JF, Grassle JP: Sibling species in the marine pollution indicator Capitella (Polychaeta). Science 1976, 12:567-569.
    • (1976) Science , vol.12 , pp. 567-569
    • Grassle, J.F.1    Grassle, J.P.2
  • 12
    • 0027332730 scopus 로고
    • Sibling species in the sea
    • Knowlton N: Sibling species in the sea. Ann Rev Ecol Syst 1993, 24:189-216.
    • (1993) Ann Rev Ecol Syst , vol.24 , pp. 189-216
    • Knowlton, N.1
  • 13
    • 0021562561 scopus 로고    scopus 로고
    • The status of Terebellides stroemi (Polychaeta, Trichobranchidae) as a cosmopolitan species on a worldwide morphological survey, including description of a new species
    • Edited by: Hutchings PA. Linn Soc NSW, Sydney
    • Williams SJ: The status of Terebellides stroemi (Polychaeta, Trichobranchidae) as a cosmopolitan species on a worldwide morphological survey, including description of a new species. In Proceedings of 1st international polychaete conference Volume 984. Edited by: Hutchings PA. Linn Soc NSW, Sydney :118-142.
    • Proceedings of 1st International Polychaete Conference Volume 984 , vol.984 , pp. 118-142
    • Williams, S.J.1
  • 14
    • 0345501816 scopus 로고
    • Phylogenetic implications of the biogeography of Australian Terebellidae (Polychaetea)
    • Hutchings PA, Glasby CJ: Phylogenetic implications of the biogeography of Australian Terebellidae (Polychaetea). Ophelia 1991, Suppl 5:565-572.
    • (1991) Ophelia , Issue.5 SUPPL. , pp. 565-572
    • Hutchings, P.A.1    Glasby, C.J.2
  • 15
    • 0000033826 scopus 로고
    • Is Owenia fusiformis Delle Chiaje a cosmopolitan species?
    • Dauvin JC, Thiebaut E: Is Owenia fusiformis Delle Chiaje a cosmopolitan species? Actes Mem Mus Natn Hist Nat 1994, 162:383-404.
    • (1994) Actes Mem Mus Natn Hist Nat , vol.162 , pp. 383-404
    • Dauvin, J.C.1    Thiebaut, E.2
  • 16
    • 84971022068 scopus 로고
    • Distribution of marine invertebrates by ships
    • Allen FE: Distribution of marine invertebrates by ships. Austr J Mar Freshwat Res 1953, 4:307-316.
    • (1953) Austr J Mar Freshwat Res , vol.4 , pp. 307-316
    • Allen, F.E.1
  • 17
    • 0034652521 scopus 로고    scopus 로고
    • Molecular genetic analyses of species boundaries in the sea
    • Edited by: Thorpe JP. Dordrecht: Kluwer Academic Publishing
    • Knowlton N: Molecular genetic analyses of species boundaries in the sea. In Marine Genetics Edited by: Thorpe JP. Dordrecht: Kluwer Academic Publishing; 2000:73-90.
    • (2000) Marine Genetics , pp. 73-90
    • Knowlton, N.1
  • 18
    • 43949161329 scopus 로고
    • The use of allozyme electrophoresis in invertebrate systematics
    • Thorpe JP, Sole'-Cava AM: The use of allozyme electrophoresis in invertebrate systematics. Zool Scripta 1994, 23:3-18.
    • (1994) Zool Scripta , vol.23 , pp. 3-18
    • Thorpe, J.P.1    Sole'-Cava, A.M.2
  • 19
    • 0032739189 scopus 로고    scopus 로고
    • Does cosmopolitanism result from overconservative systematics? A case study using the marine sponge Chondrilla nucula
    • Klautau M, Russo CAM, Lazoski C, Boury-Esnault N, Thorpe JP, Solé-Cava AM: Does cosmopolitanism result from overconservative systematics? A case study using the marine sponge Chondrilla nucula. Evolution 1999, 53:1414-1422.
    • (1999) Evolution , vol.53 , pp. 1414-1422
    • Klautau, M.1    Russo, C.A.M.2    Lazoski, C.3    Boury-Esnault, N.4    Thorpe, J.P.5    Solé-Cava, A.M.6
  • 21
    • 0032729510 scopus 로고    scopus 로고
    • Distribution patterns and biogeographic analysis of Austral Polychaeta (Annelida)
    • Glasby CJ, Alvarez B: Distribution patterns and biogeographic analysis of Austral Polychaeta (Annelida). J Biogeogr 1999, 26:507-533.
    • (1999) J Biogeogr , vol.26 , pp. 507-533
    • Glasby, C.J.1    Alvarez, B.2
  • 22
    • 33747735675 scopus 로고    scopus 로고
    • SEM-investigations on the morphology and anatomy of Sternaspis scutata (Ranzani, 1817) (Annelida: Polychaeta)
    • Fiege D, Bütfering B: SEM-investigations on the morphology and anatomy of Sternaspis scutata (Ranzani, 1817) (Annelida: Polychaeta). Bull Mar Sci 2000, 67:662-663.
    • (2000) Bull Mar Sci , vol.67 , pp. 662-663
    • Fiege, D.1    Bütfering, B.2
  • 23
    • 0034909318 scopus 로고    scopus 로고
    • Description of Owenia gomsoni N. SP. (Oweniidae, Annelida Polychaeta) from the Yellow Sea and evidence that Owenia fusiformis is not a cosmopolitan species
    • Koh BS, Bhaud M: Description of Owenia gomsoni N. SP. (Oweniidae, Annelida Polychaeta) from the Yellow Sea and evidence that Owenia fusiformis is not a cosmopolitan species. Vie et Milieu 2001, 51:77-86.
    • (2001) Vie et Milieu , vol.51 , pp. 77-86
    • Koh, B.S.1    Bhaud, M.2
  • 24
    • 0038115425 scopus 로고    scopus 로고
    • Ctenodrilus serratus (Polychaeta: Ctenodrilidae) is a truly amphi-atlantic meiofauna species - Evidence from molecular data
    • Westheide W, Haß-Cordes E, Krabusch M, Müller M: Ctenodrilus serratus (Polychaeta: Ctenodrilidae) is a truly amphi-atlantic meiofauna species - evidence from molecular data. Mar Biol 2003, 142:637-642.
    • (2003) Mar Biol , vol.142 , pp. 637-642
    • Westheide, W.1    Haß-Cordes, E.2    Krabusch, M.3    Müller, M.4
  • 25
    • 0031881097 scopus 로고    scopus 로고
    • Genetic variability and relationships among geographically widely separated populations of Petitia amphophthalma (Polychaeta: Syllidae). Results from RAPD-PCR investigations
    • Soosten C, Schmidt H, Westheide W: Genetic variability and relationships among geographically widely separated populations of Petitia amphophthalma (Polychaeta: Syllidae). Results from RAPD-PCR investigations. Mar Biol 1998, 131:659-669.
    • (1998) Mar Biol , vol.131 , pp. 659-669
    • Soosten, C.1    Schmidt, H.2    Westheide, W.3
  • 26
    • 0035063084 scopus 로고    scopus 로고
    • Molecular taxonomy: Description of a cryptic Petitia species (Polychaeta: Syllidae) from the island of Mahé (Seychelles, Indian Ocean) using RAPD markers and ITS2 sequences
    • Westheide W, Hass-Cordes E: Molecular taxonomy: description of a cryptic Petitia species (Polychaeta: Syllidae) from the island of Mahé (Seychelles, Indian Ocean) using RAPD markers and ITS2 sequences. J Zool Syst Evol Res 2001, 39:103-111.
    • (2001) J Zool Syst Evol Res , vol.39 , pp. 103-111
    • Westheide, W.1    Hass-Cordes, E.2
  • 27
    • 0035978277 scopus 로고    scopus 로고
    • Phylogeography of the invasive polychaete Sabella spallanzanii (Sabellidae) based on the nucleotide sequence of internal transcribed spacer 2 (ITS2) of nuclear rDNA
    • Patti FP, Gambi MC: Phylogeography of the invasive polychaete Sabella spallanzanii (Sabellidae) based on the nucleotide sequence of internal transcribed spacer 2 (ITS2) of nuclear rDNA. Mar Ecol Prog Ser 2001, 215:169-177.
    • (2001) Mar Ecol Prog Ser , vol.215 , pp. 169-177
    • Patti, F.P.1    Gambi, M.C.2
  • 28
    • 0034104198 scopus 로고    scopus 로고
    • Are the meiofaunal polychaetes Hesionides arenaria and Stygocapitella subterranea true cosmopolitan species? - Results of RAPD-PCR investigations
    • Schmidt H, Westheide W: Are the meiofaunal polychaetes Hesionides arenaria and Stygocapitella subterranea true cosmopolitan species? - results of RAPD-PCR investigations. Zool Scr 2000, 29:17-27.
    • (2000) Zool Scr , vol.29 , pp. 17-27
    • Schmidt, H.1    Westheide, W.2
  • 29
    • 0032933729 scopus 로고    scopus 로고
    • Genetic relationships (RAPD-PCR) between geographically separated populations of the "cosmopolitan" interstitial polychaete Hesionides gohari (Hesionidae) and the evolutionary origin of the freshwater species Hesionides riegerorum
    • Schmidt H, Westheide W: Genetic relationships (RAPD-PCR) between geographically separated populations of the "cosmopolitan" interstitial polychaete Hesionides gohari (Hesionidae) and the evolutionary origin of the freshwater species Hesionides riegerorum. Biol Bull 1999, 196:216-226.
    • (1999) Biol Bull , vol.196 , pp. 216-226
    • Schmidt, H.1    Westheide, W.2
  • 30
    • 0004187047 scopus 로고    scopus 로고
    • Cambridge: Cambridge University Press
    • Avise JC: Phylogeography Cambridge: Cambridge University Press; 2000.
    • (2000) Phylogeography
    • Avise, J.C.1
  • 31
    • 26844579459 scopus 로고
    • Diversity and zoogeography of marine Tubuficidae (Annelida, Oligochaeta) with notes on variation in widespread species
    • Baker HR: Diversity and zoogeography of marine Tubuficidae (Annelida, Oligochaeta) with notes on variation in widespread species. Hydrobiologia 1984, 115:191-196.
    • (1984) Hydrobiologia , vol.115 , pp. 191-196
    • Baker, H.R.1
  • 32
    • 0038615929 scopus 로고    scopus 로고
    • Sibling species or poecilogeny in the polychaete Scoloplos armiger?
    • Kruse I, Reusch TBH, Schneider MV: Sibling species or poecilogeny in the polychaete Scoloplos armiger ? Mar Biol 2003, 142:937-947.
    • (2003) Mar Biol , vol.142 , pp. 937-947
    • Kruse, I.1    Reusch, T.B.H.2    Schneider, M.V.3
  • 33
    • 0142092436 scopus 로고    scopus 로고
    • Reproductive isolation between intertidal and subtidal Scoloplos armiger (Polychaeta, Orbiniidae) indicates sibling species in the North Sea
    • Kruse I, Reise K: Reproductive isolation between intertidal and subtidal Scoloplos armiger (Polychaeta, Orbiniidae) indicates sibling species in the North Sea. Mar Biol 2003, 143:511-517.
    • (2003) Mar Biol , vol.143 , pp. 511-517
    • Kruse, I.1    Reise, K.2
  • 34
    • 1242344808 scopus 로고    scopus 로고
    • The role of ecological divergence in speciation between intertidal and subtidal Scoloplos armiger (Polychaeta, Orbiniidae)
    • Kruse I, Strasser M, Thiermann F: The role of ecological divergence in speciation between intertidal and subtidal Scoloplos armiger (Polychaeta, Orbiniidae). J Sea Res 2004, 51:53-62.
    • (2004) J Sea Res , vol.51 , pp. 53-62
    • Kruse, I.1    Strasser, M.2    Thiermann, F.3
  • 35
    • 33644867607 scopus 로고    scopus 로고
    • The complete mitochondrial genome of the orbiniid polychaete Orbinia latreillii (Annelida, Orbiniidae) - A novel gene order for Annelida and implications for annelid phylogeny
    • Bleidorn C, Podsiadlowski L, Bartolomaeus T: The complete mitochondrial genome of the orbiniid polychaete Orbinia latreillii (Annelida, Orbiniidae) - a novel gene order for Annelida and implications for annelid phylogeny. Gene 2006, 370:96-103.
    • (2006) Gene , vol.370 , pp. 96-103
    • Bleidorn, C.1    Podsiadlowski, L.2    Bartolomaeus, T.3
  • 36
    • 0033561361 scopus 로고    scopus 로고
    • Animal mitochondrial genomes
    • Boore JL: Animal mitochondrial genomes. Nucleic Acids Res 1999, 27:1767-1780.
    • (1999) Nucleic Acids Res , vol.27 , pp. 1767-1780
    • Boore, J.L.1
  • 37
    • 12344332806 scopus 로고    scopus 로고
    • Mitochondrial genomes of Clymenella torquata (Maldanidae) and Riftia pachyptila (Siboglinidae). Evidence for conserved gene order in Annelida
    • Jennings RM, Halanych KM: Mitochondrial genomes of Clymenella torquata (Maldanidae) and Riftia pachyptila (Siboglinidae). Evidence for conserved gene order in Annelida. Mol Biol Evol 2005, 22:210-222.
    • (2005) Mol Biol Evol , vol.22 , pp. 210-222
    • Jennings, R.M.1    Halanych, K.M.2
  • 38
    • 0001904414 scopus 로고    scopus 로고
    • The phylogenetic species concept (sensu Mishler and Theriot): Monophyly, apomorphy, and phylogenetic species concepts
    • Edited by: Wheeler QD, Meier R. Columbia University Press, New York
    • Mishler BD, Theriot EC: The phylogenetic species concept (sensu Mishler and Theriot): Monophyly, apomorphy, and phylogenetic species concepts. In Species concepts and phylogenetic theory. A debate Edited by: Wheeler QD, Meier R. Columbia University Press, New York; 2000:44-54.
    • (2000) Species Concepts and Phylogenetic Theory. A Debate , pp. 44-54
    • Mishler, B.D.1    Theriot, E.C.2
  • 41
    • 0031284432 scopus 로고    scopus 로고
    • Polychaete reproductive patterns, life cycles and life histories: An overview
    • Giangrande A: Polychaete reproductive patterns, life cycles and life histories: an overview. Oceanograph Mar Biol Ann Rev 1997, 35:323-386.
    • (1997) Oceanograph Mar Biol Ann Rev , vol.35 , pp. 323-386
    • Giangrande, A.1
  • 42
    • 18744362770 scopus 로고    scopus 로고
    • Phylogenetic relationships and evolution of Orbiniidae (Annelida, Polychaeta) based on molecular data
    • Bleidorn C: Phylogenetic relationships and evolution of Orbiniidae (Annelida, Polychaeta) based on molecular data. Zool J Linn Soc 2005, 144:59-73.
    • (2005) Zool J Linn Soc , vol.144 , pp. 59-73
    • Bleidorn, C.1
  • 44
    • 0003061278 scopus 로고
    • A review of the Australian and New Zealand Orbiniidae
    • Edited by: Reish DJ, Fauchald K. Los Angeles: Allan Hancock Foundation Special Publication
    • Day JH: A review of the Australian and New Zealand Orbiniidae. In In memory of Dr. Olga Hartman. Essays on polychaetous annelids Edited by: Reish DJ, Fauchald K. Los Angeles: Allan Hancock Foundation Special Publication; 1977:217-246.
    • (1977) Memory of Dr. Olga Hartman. Essays on Polychaetous Annelids , pp. 217-246
    • Day, J.H.1
  • 48
    • 10244240599 scopus 로고    scopus 로고
    • Automatic annotation of organellar genomes with DOGMA
    • Wyman SK, Jansen RK, Boore JL: Automatic annotation of organellar genomes with DOGMA. Bioinformatics 2004, 20:3252-3255.
    • (2004) Bioinformatics , vol.20 , pp. 3252-3255
    • Wyman, S.K.1    Jansen, R.K.2    Boore, J.L.3
  • 49
    • 0030854739 scopus 로고    scopus 로고
    • tRNAscan-SE: A program for improved detection of transfer RNA genes in genomic sequence
    • Lowe TM, Eddy SR: tRNAscan-SE: a program for improved detection of transfer RNA genes in genomic sequence. Nucleic Acids Res 1997, 25:955-964.
    • (1997) Nucleic Acids Res , vol.25 , pp. 955-964
    • Lowe, T.M.1    Eddy, S.R.2
  • 50
    • 0027968068 scopus 로고
    • CLUSTAL W: Improving the sensivity of progressive multiple sequence alignment through sequence weighting, positionspecific gap penalties and weight matrix choice
    • Thompson JD, Higgins DG, Gibson TJ: CLUSTAL W: improving the sensivity of progressive multiple sequence alignment through sequence weighting, positionspecific gap penalties and weight matrix choice. Nucleic Acids Res 1994, 22:4673-4680.
    • (1994) Nucleic Acids Res , vol.22 , pp. 4673-4680
    • Thompson, J.D.1    Higgins, D.G.2    Gibson, T.J.3
  • 51
    • 33747729693 scopus 로고    scopus 로고
    • TreeBase [http://www.treebase.org]
    • TreeBase
  • 53
    • 0034849408 scopus 로고    scopus 로고
    • MrBayes: Bayesian inference of phylogeny
    • Huelsenbeck JP, Ronquist FR: MrBayes: Bayesian inference of phylogeny. Bioinformatics 2001, 17:754-755.
    • (2001) Bioinformatics , vol.17 , pp. 754-755
    • Huelsenbeck, J.P.1    Ronquist, F.R.2
  • 54
    • 9644301241 scopus 로고    scopus 로고
    • Model selection and model averaging in phylogenetics: Advantages of Akaike Information criterion and Bayesian approaches over likelihood ratio tests
    • Posada D, Buckley TR: Model selection and model averaging in phylogenetics: advantages of Akaike Information criterion and Bayesian approaches over likelihood ratio tests. Syst Biol 2004, 53:793-808.
    • (2004) Syst Biol , vol.53 , pp. 793-808
    • Posada, D.1    Buckley, T.R.2
  • 55
    • 0031773680 scopus 로고    scopus 로고
    • Modeltest: Testing the model of DNA substitution
    • Posada D, Crandall KA: Modeltest: testing the model of DNA substitution. Bioinformatics 1998, 14:917-918.
    • (1998) Bioinformatics , vol.14 , pp. 917-918
    • Posada, D.1    Crandall, K.A.2
  • 56
    • 0035527410 scopus 로고    scopus 로고
    • Selecting the best-fit model of nucleotid substitution
    • Posada D, Crandall KA: Selecting the best-fit model of nucleotid substitution. Syst Biol 2001, 50:580-601.
    • (2001) Syst Biol , vol.50 , pp. 580-601
    • Posada, D.1    Crandall, K.A.2
  • 57
    • 0036139211 scopus 로고    scopus 로고
    • MEGA2: Molecular evolutionary genetics analysis software
    • Kumar S, Tamura K, Jakobsen IB, Nei M: MEGA2: molecular evolutionary genetics analysis software. Bioinformatics 2001, 17:1244-1245.
    • (2001) Bioinformatics , vol.17 , pp. 1244-1245
    • Kumar, S.1    Tamura, K.2    Jakobsen, I.B.3    Nei, M.4


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.