메뉴 건너뛰기




Volumn 6, Issue 10, 2012, Pages 1937-1948

Diversity of active aerobic methanotrophs along depth profiles of arctic and subarctic lake water column and sediments

Author keywords

Arctic lakes; CH4 oxidation potential; Methanotrophs; Stable isotope probing

Indexed keywords

BACTERIAL DNA; CARBON; METHANE;

EID: 84867743452     PISSN: 17517362     EISSN: 17517370     Source Type: Journal    
DOI: 10.1038/ismej.2012.34     Document Type: Article
Times cited : (86)

References (57)
  • 1
    • 0028954741 scopus 로고
    • Growth of methanotrophs in methane and oxygen counter gradients
    • Amaral JA, Knowles R. (1995). Growth of methanotrophs in methane and oxygen counter gradients. FEMS Microbiol Lett 126: 215-220.
    • (1995) FEMS Microbiol Lett , vol.126 , pp. 215-220
    • Amaral, J.A.1    Knowles, R.2
  • 5
    • 0028594645 scopus 로고
    • Methane oxidation activity in various soils and freshwater sediments: Occurence, charateristics, vertical profiles and distribution on grain size fractions
    • Bender M, Conrad R. (1994). Methane oxidation activity in various soils and freshwater sediments: occurence, charateristics, vertical profiles and distribution on grain size fractions. J Geophys Res 99: 16531-16540.
    • (1994) J Geophys Res , vol.99 , pp. 16531-16540
    • Bender, M.1    Conrad, R.2
  • 6
    • 0027374969 scopus 로고
    • Revised taxonomy of the methanotrophs: Description of Methylobacter gen. nov., validation of Methylo-sinus and Methylocystis species, and a proposal that the family Methylococcaceae includes only the group i methanotrophs
    • Bowman JP, Sly LI, Nichols PD, Hayward AC (1993). Revised taxonomy of the methanotrophs: description of Methylobacter gen. nov., validation of Methylo-sinus and Methylocystis species, and a proposal that the family Methylococcaceae includes only the group I methanotrophs. Int J Syst Bacteriol 43: 735-753.
    • (1993) Int J Syst Bacteriol , vol.43 , pp. 735-753
    • Bowman, J.P.1    Sly, L.I.2    Nichols, P.D.3    Hayward, A.C.4
  • 7
    • 0026630452 scopus 로고
    • Use of 16S r RNA analysis to investigate phylogeny of methylotrophic bacteria
    • Bratina BJ, Brusseau GA, Hanson RS. (1992). Use of 16S r RNA analysis to investigate phylogeny of methylotrophic bacteria. Int J Syst Evol Microbiol 42: 645-648.
    • (1992) Int J Syst Evol Microbiol , vol.42 , pp. 645-648
    • Bratina, B.J.1    Brusseau, G.A.2    Hanson, R.S.3
  • 9
    • 0033764695 scopus 로고    scopus 로고
    • Life at the oxic-anoxic interface: Microbial activities and adaptations
    • Brune A, Frenzel P, Cypionka H. (2000). Life at the oxic-anoxic interface: microbial activities and adaptations. FEMS Microbiol Rev 24: 691-710.
    • (2000) FEMS Microbiol Rev , vol.24 , pp. 691-710
    • Brune, A.1    Frenzel, P.2    Cypionka, H.3
  • 10
    • 0036025734 scopus 로고    scopus 로고
    • Tundra lakes and permafrost, Richards Island, western Arctic coast, Canada
    • Burn CR. (2002). Tundra lakes and permafrost, Richards Island, western Arctic coast, Canada. Can J Earth Sci 39: 1281-1298.
    • (2002) Can J Earth Sci , vol.39 , pp. 1281-1298
    • Burn, C.R.1
  • 11
    • 0842287584 scopus 로고    scopus 로고
    • Preferential cultivation of Type II methanotrophic bacteria from littoral sediments (Lake Constance)
    • Bussmann I, Pester M, Brune A, Schink B. (2004). Preferential cultivation of Type II methanotrophic bacteria from littoral sediments (Lake Constance). FEMS Microbiol Eco 47: 179-189.
    • (2004) FEMS Microbiol Eco , vol.47 , pp. 179-189
    • Bussmann, I.1    Pester, M.2    Brune, A.3    Schink, B.4
  • 12
    • 22744436213 scopus 로고    scopus 로고
    • Aerobic methane oxidation and methanotroph community composition during seasonal stratification in Mono Lake, California (USA)
    • Carini S, Bano N, Le Cleir G, Joye SB. (2005). Aerobic methane oxidation and methanotroph community composition during seasonal stratification in Mono Lake, California (USA). Environ Microbiol 7: 1127-1138.
    • (2005) Environ Microbiol , vol.7 , pp. 1127-1138
    • Carini, S.1    Bano, N.2    Le Cleir, G.3    Joye, S.B.4
  • 13
    • 55349086872 scopus 로고    scopus 로고
    • Effect of temperature and oxidation rate on carbon-isotope fractionation during methane oxida-tion by landfill cover materials
    • Chanton JP, Powelson DK, Abichou T, Fields D, Green R. (2008). Effect of temperature and oxidation rate on carbon-isotope fractionation during methane oxida-tion by landfill cover materials. Environ Sci Technol 42: 7818-7823.
    • (2008) Environ Sci Technol , vol.42 , pp. 7818-7823
    • Chanton, J.P.1    Powelson, D.K.2    Abichou, T.3    Fields, D.4    Green, R.5
  • 14
    • 63149192825 scopus 로고    scopus 로고
    • Chemical and physical controls on the oxygen regime of ice-covered arctic lakes and reservoirs
    • Clilverd H, White D, Lilly M. (2009). Chemical and physical controls on the oxygen regime of ice-covered arctic lakes and reservoirs. J Am Water Resources Ass 45: 500-511.
    • (2009) J Am Water Resources Ass , vol.45 , pp. 500-511
    • Clilverd, H.1    White, D.2    Lilly, M.3
  • 16
    • 0032746991 scopus 로고    scopus 로고
    • Molecular character-ization of functional and phylogenetic genes from natural populations of methanotrophs in lake sedi-ments
    • Costello AM, Lidstrom ME. (1999). Molecular character-ization of functional and phylogenetic genes from natural populations of methanotrophs in lake sedi-ments. Appl Environ Microbiol 65: 506-5074.
    • (1999) Appl Environ Microbiol , vol.65 , pp. 506-5074
    • Costello, A.M.1    Lidstrom, M.E.2
  • 17
    • 0242668350 scopus 로고    scopus 로고
    • Bacterioplankton community shifts in an arctic lake correlate with seasonal changes in organic matter source
    • Crump BC, Kling GW, Bahr M, Hobbie JE. (2003). Bacterioplankton community shifts in an arctic lake correlate with seasonal changes in organic matter source. Appl Environ Microbiol 69: 2253-2268.
    • (2003) Appl Environ Microbiol , vol.69 , pp. 2253-2268
    • Crump, B.C.1    Kling, G.W.2    Bahr, M.3    Hobbie, J.E.4
  • 18
    • 77956270982 scopus 로고    scopus 로고
    • Implications of temperature and sediment characteristics on methane formation and oxidation in lake sediments
    • Duc NT, Crill P, Bastviken D. (2010). Implications of temperature and sediment characteristics on methane formation and oxidation in lake sediments. Biogeo-chemistry 100: 185-196.
    • (2010) Biogeo-chemistry , vol.100 , pp. 185-196
    • Duc, N.T.1    Crill, P.2    Bastviken, D.3
  • 19
    • 19144372182 scopus 로고    scopus 로고
    • Stable isotope probing-linking microbial identity to function
    • Dumont MG, Murrell JC. (2005). Stable isotope probing-linking microbial identity to function. Nat Rev Micro-biol 3: 499-504.
    • (2005) Nat Rev Micro-biol , vol.3 , pp. 499-504
    • Dumont, M.G.1    Murrell, J.C.2
  • 20
    • 36849030274 scopus 로고    scopus 로고
    • Methane oxidation by an extremely acidophilic bacterium of the phylum Verru-comicrobia
    • Dunfield PF, Yuryev A, Senin P, Smirnova AV, Stott MB, Hou SB et al. (2007). Methane oxidation by an extremely acidophilic bacterium of the phylum Verru-comicrobia. Nature 450: 879-882.
    • (2007) Nature , vol.450 , pp. 879-882
    • Dunfield, P.F.1    Yuryev, A.2    Senin, P.3    Smirnova, A.V.4    Stott, M.B.5    Hou, S.B.6
  • 21
    • 1542574214 scopus 로고    scopus 로고
    • Atmospheric methane between 1000 A.D. and present: Evidence of anthropogenic emissions and climatic variability
    • Etheridge DM, Steele LP, Francey RJ, Langenfields RL. (1998). Atmospheric methane between 1000 A.D. and present: Evidence of anthropogenic emissions and climatic variability. J Geophys Res 103: 15979-15993.
    • (1998) J Geophys Res , vol.103 , pp. 15979-15993
    • Etheridge, D.M.1    Steele, L.P.2    Francey, R.J.3    Langenfields, R.L.4
  • 22
    • 0025197598 scopus 로고
    • Oxidation of methane in the oxic surface layer of a deep lake sediment (Lake Constance)
    • Frenzel P, Thebrath B, Conrad R. (1990). Oxidation of methane in the oxic surface layer of a deep lake sediment (Lake Constance). FEMS Microbiol Lett 73: 149-158.
    • (1990) FEMS Microbiol Lett , vol.73 , pp. 149-158
    • Frenzel, P.1    Thebrath, B.2    Conrad, R.3
  • 23
    • 85075752961 scopus 로고
    • Particle-size analysis
    • In: Klute A (ed) American Society of Agronomy/Soil Science Society of America: Madison
    • Gee GW, Bauder JW. (1986). Particle-size analysis. In: Klute A (ed) Methods of Soil Analysis, Part 1. Physical and Mineralogical Methods. American Society of Agronomy/Soil Science Society of America: Madison, pp 383-411.
    • (1986) Methods of Soil Analysis, Part 1. Physical and Mineralogical Methods , pp. 383-411
    • Gee, G.W.1    Bauder, J.W.2
  • 25
    • 34748886657 scopus 로고    scopus 로고
    • PAST: Paleon-tological statistics software package for education and data analysis
    • Hammer Ø, Harper DAT, Ryan PD. (2001). PAST: Paleon-tological statistics software package for education and data analysis. Palaeontol Electron 4: 9 pp. http:// palaeo-electronica.org/2001-1/past/issue1-01.htm.
    • (2001) Palaeontol Electron , vol.4
    • Hammer, Ø.1    Harper, D.A.T.2    Ryan, P.D.3
  • 27
    • 84861954033 scopus 로고    scopus 로고
    • Identification of func-tionally active aerobic methanotrophs in sediments from an arctic lake using stable isotope probing
    • e-pub ahead of print 20 March 2012; doi:10.1111/j.1462-2920.2012.02725.x
    • He R, Wooller MJ, Pohlman JW, Catranis C, Quensen J, Tiedje JM, Leigh MB. (2012). Identification of func-tionally active aerobic methanotrophs in sediments from an arctic lake using stable isotope probing. Environ Microbiol; e-pub ahead of print 20 March 2012; doi:10.1111/j.1462-2920.2012.02725.x.
    • (2012) Environ Microbiol
    • He, R.1    Wooller, M.J.2    Pohlman, J.W.3    Catranis, C.4    Quensen, J.5    Tiedje, J.M.6    Leigh, M.B.7
  • 28
    • 0034537565 scopus 로고    scopus 로고
    • Vertical distribu-tion of the methanotrophic community after drainage of rice field soil
    • Henckel T, Jäckel U, Conrad R. (2001). Vertical distribu-tion of the methanotrophic community after drainage of rice field soil. FEMS Microbiol Ecol 34: 279-291.
    • (2001) FEMS Microbiol Ecol , vol.34 , pp. 279-291
    • Henckel, T.1    Jäckel, U.2    Conrad, R.3
  • 29
    • 0034353644 scopus 로고    scopus 로고
    • 4 on presence and activity of the indigenous methanotrophic community in rice field soil
    • 4 on presence and activity of the indigenous methanotrophic community in rice field soil. Environ Microbiol 2: 666-679.
    • (2000) Environ Microbiol , vol.2 , pp. 666-679
    • Henckel, T.1    Roslev, P.2    Conrad, R.3
  • 30
    • 0034000744 scopus 로고    scopus 로고
    • Model, stable isotope, and radio-tracer characterization of anaerobic methane oxidation in gas hydrate-bearing sediments of the Blake Ridge
    • Hoehler TM, Borowski WS, Alperin MJ, Rodriguez NM, Paull CK. (2000). Model, stable isotope, and radio-tracer characterization of anaerobic methane oxidation in gas hydrate-bearing sediments of the Blake Ridge. Proc ODP Sci Res 164: 79-85.
    • (2000) Proc ODP Sci Res , vol.164 , pp. 79-85
    • Hoehler, T.M.1    Borowski, W.S.2    Alperin, M.J.3    Rodriguez, N.M.4    Paull, C.K.5
  • 31
    • 0037900260 scopus 로고    scopus 로고
    • Climate change 2001: The scientific basis
    • Intergovernmental Panel On Climate Change (IPCC) In: Houghton JT, Ding Y, Griggs DJ, Noguer M, van der Linden PJ, Xiaos D (eds) Cambridge University Press: Cambridge
    • Intergovernmental Panel on Climate Change (IPCC) (2001). Climate change 2001: the Scientific Basis. In: Houghton JT, Ding Y, Griggs DJ, Noguer M, van der Linden PJ, Xiaos D (eds). Contribution of Working Group I to the Third Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press: Cambridge.
    • (2001) Contribution of Working Group i to the Third Assessment Report of the Intergovernmental Panel on Climate Change
  • 32
    • 34247370602 scopus 로고    scopus 로고
    • Climate Change 2007\-The Physical Science Basis
    • Intergovernmental Panel On Climate Change (IPCC) In: Solomon S, Qin D, Manning M, Marquis M, Averyt K, Tignor MMB, Miller HL, Chen Z (eds) Cambridge University Press: Cambridge
    • Intergovernmental Panel on Climate Change (IPCC) (2007). Climate Change 2007\-The Physical Science Basis. In: Solomon S, Qin D, Manning M, Marquis M, Averyt K, Tignor MMB, Miller HL, Chen Z (eds). Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Chang. Cambridge University Press: Cambridge.
    • (2007) Contribution of Working Group i to the Fourth Assessment Report of the Intergovernmental Panel on Climate Chang
  • 33
    • 38349102157 scopus 로고    scopus 로고
    • Methane oxidation at 55 °c and p H 2 by a thermoacidophilic bacterium belonging to the Verru-comicrobia phylum
    • Islam T, Jensen S, Reigstad LJ, Larsen O, Birkeland NK. (2008). Methane oxidation at 55 °C and p H 2 by a thermoacidophilic bacterium belonging to the Verru-comicrobia phylum. Proc Natl Acad Sci USA 105: 300-304.
    • (2008) Proc Natl Acad Sci USA , vol.105 , pp. 300-304
    • Islam, T.1    Jensen, S.2    Reigstad, L.J.3    Larsen, O.4    Birkeland, N.K.5
  • 34
    • 33747880199 scopus 로고    scopus 로고
    • Potential activity and diversity of methanotrophic bacteria in forest soil, peat, and sediments from a hydroelectric reservoir (robert-bourassa) and lakes in the Canadian Taiga
    • Jugnia LB, Roy R, Pacheco-Oliver M, Planas D, Miguez CB, Greer CW. (2006). Potential activity and diversity of methanotrophic bacteria in forest soil, peat, and sediments from a hydroelectric reservoir (robert-bourassa) and lakes in the Canadian Taiga. Soil Sci 171: 127-137.
    • (2006) Soil Sci , vol.171 , pp. 127-137
    • Jugnia, L.B.1    Roy, R.2    Pacheco-Oliver, M.3    Planas, D.4    Miguez, C.B.5    Greer, C.W.6
  • 35
    • 0028973568 scopus 로고
    • Capacity for methane oxidation in landfill cover soils measured in laboratory scale soil microcosms
    • Kightley D, Nedwell DB, Cooper M. (1995). Capacity for methane oxidation in landfill cover soils measured in laboratory scale soil microcosms. Appl Environ Micro-biol 61: 592-601.
    • (1995) Appl Environ Micro-biol , vol.61 , pp. 592-601
    • Kightley, D.1    Nedwell, D.B.2    Cooper, M.3
  • 37
    • 3342947835 scopus 로고    scopus 로고
    • Optimization of methanol biosynthesis from methane using Methylosinus trichosporium OB3b
    • Lee SG, Goo JH, Kim HG, Oh JI, Kim YM, Kim SW. (2004). Optimization of methanol biosynthesis from methane using Methylosinus trichosporium OB3b. Biotechnol Lett 26: 947-950.
    • (2004) Biotechnol Lett , vol.26 , pp. 947-950
    • Lee, S.G.1    Goo, J.H.2    Kim, H.G.3    Oh, J.I.4    Kim, Y.M.5    Kim, S.W.6
  • 38
    • 34249939326 scopus 로고    scopus 로고
    • Biphenyl-utilizing bacteria and their functional genes in a pine root zone contaminated with polychlorinated biphenyls (PCBs)
    • Leigh MB, Pellizari VH, Uhl?́k O, Sutka R, Rodrigues J, Ostrom NE et al. (2007). Biphenyl-utilizing bacteria and their functional genes in a pine root zone contaminated with polychlorinated biphenyls (PCBs). The ISMEJ1: 134-148.
    • (2007) The ISMEJ , vol.1 , pp. 134-148
    • Leigh, M.B.1    Pellizari, V.H.2    Uhĺk, O.3    Sutka, R.4    Rodrigues, J.5    Ostrom, N.E.6
  • 40
    • 33846039878 scopus 로고    scopus 로고
    • Abundance, distribution and potential activity of methane oxidizing bacteria in permafrost soils from the Lena Delta, Siberia
    • Liebner S, Wagner D. (2007). Abundance, distribution and potential activity of methane oxidizing bacteria in permafrost soils from the Lena Delta, Siberia. Environ Microbiol 9: 107-117.
    • (2007) Environ Microbiol , vol.9 , pp. 107-117
    • Liebner, S.1    Wagner, D.2
  • 41
    • 77956094949 scopus 로고    scopus 로고
    • Stable isotope probing analysis of the diversity and activity of methanotrophic bacteria in soils from the Canadian High Arctic
    • Martineau C, Whyte LG, Greer CW. (2010). Stable isotope probing analysis of the diversity and activity of methanotrophic bacteria in soils from the Canadian High Arctic. Appl Environ Microbiol 76: 5773-5784.
    • (2010) Appl Environ Microbiol , vol.76 , pp. 5773-5784
    • Martineau, C.1    Whyte, L.G.2    Greer, C.W.3
  • 42
    • 17644407376 scopus 로고    scopus 로고
    • Stable isotope probing of nucleic acids in methanotrophs and methylotrophs: A review
    • Mc Donald IR, Radajewski S, Murrell JC. (2005). Stable isotope probing of nucleic acids in methanotrophs and methylotrophs: a review. Org Geochem 36: 779-787.
    • (2005) Org Geochem , vol.36 , pp. 779-787
    • Mc Donald, I.R.1    Radajewski, S.2    Murrell, J.C.3
  • 43
    • 84864100368 scopus 로고
    • Physics
    • In: Hobbie JE (ed) Ponds: Barrow, Alaska Hutchinson and Ross Dowden
    • Miller MC, Prentki RT, Barsdate RJ. (1980). Physics. In: Hobbie JE (ed) Limnology of Tundra Ponds: Barrow, Alaska Hutchinson and Ross Dowden, pp 76-178.
    • (1980) Limnology of Tundra , pp. 76-178
    • Miller, M.C.1    Prentki, R.T.2    Barsdate, R.J.3
  • 44
  • 45
    • 0033610855 scopus 로고    scopus 로고
    • Methane efflux from high-latitude lakes during spring ice melt
    • Phelps AR, Peterson KM, Jeffries MO. (1998). Methane efflux from high-latitude lakes during spring ice melt. J Geophys Res 103: 29029-29036.
    • (1998) J Geophys Res , vol.103 , pp. 29029-29036
    • Phelps, A.R.1    Peterson, K.M.2    Jeffries, M.O.3
  • 47
    • 0038482074 scopus 로고    scopus 로고
    • Stable-isotope probing of nucleic acids: A window to the function of uncultured microorganisms
    • Radajewski S, Mc Donald IR, Murrell JC. (2003). Stable-isotope probing of nucleic acids: a window to the function of uncultured microorganisms. Curr Opin Biotechnol 14: 296-302.
    • (2003) Curr Opin Biotechnol , vol.14 , pp. 296-302
    • Radajewski, S.1    Mc Donald, I.R.2    Murrell, J.C.3
  • 48
    • 0036667422 scopus 로고    scopus 로고
    • Identification of active methylotroph populations in an acidic forest soil by stable-isotope probing
    • Radajewski S, Webster G, Reay DS, Morris SA, Ineson P, Nedwell DB et al. (2002). Identification of active methylotroph populations in an acidic forest soil by stable-isotope probing. Microbiology 148: 2331-2342.
    • (2002) Microbiology , vol.148 , pp. 2331-2342
    • Radajewski, S.1    Webster, G.2    Reay, D.S.3    Morris, S.A.4    Ineson, P.5    Nedwell, D.B.6
  • 49
    • 34447544659 scopus 로고    scopus 로고
    • Comparison of aerobic methanotrophic communities in littoral and profundal sediments of Lake Constance by a molecular approach
    • Rahalkar M, Schink B. (2007). Comparison of aerobic methanotrophic communities in littoral and profundal sediments of Lake Constance by a molecular approach. Appl Environ Microbiol 73: 4389-4394.
    • (2007) Appl Environ Microbiol , vol.73 , pp. 4389-4394
    • Rahalkar, M.1    Schink, B.2
  • 51
    • 33847720244 scopus 로고    scopus 로고
    • Oceanic methane biogeochemistry
    • Reeburgh WS. (2007). Oceanic methane biogeochemistry. Chem Rev 107: 486-513.
    • (2007) Chem Rev , vol.107 , pp. 486-513
    • Reeburgh, W.S.1
  • 52
    • 77958066139 scopus 로고    scopus 로고
    • Methane oxidation in permeable sediments at hydrocarbon seeps in the Santa Barbara Channel, California
    • Treude T, Ziebis W. (2010). Methane oxidation in permeable sediments at hydrocarbon seeps in the Santa Barbara Channel, California. Biogeosciences 7: 3095-3108.
    • (2010) Biogeosciences , vol.7 , pp. 3095-3108
    • Treude, T.1    Ziebis, W.2
  • 53
    • 0025157111 scopus 로고
    • Physiology and genetics of methylotrophic bacteria
    • Vries GE, Kües U, Stahl U. (1990). Physiology and genetics of methylotrophic bacteria. FEMS Microbiol Lett 75: 57-101.
    • (1990) FEMS Microbiol Lett , vol.75 , pp. 57-101
    • Vries, G.E.1    Kües, U.2    Stahl, U.3
  • 54
    • 34547267913 scopus 로고    scopus 로고
    • Methane bubbling from northern lakes: Present and future contributions to the global methane budget
    • Walter KM, Smith LC, Chapin FS III. (2007). Methane bubbling from northern lakes: present and future contributions to the global methane budget. Phil Trans R Soc A 365: 1657-1676.
    • (2007) Phil Trans R Soc A , vol.365 , pp. 1657-1676
    • Walter, K.M.1    Smith, L.C.2    Chapin III, F.S.3
  • 55
    • 46249100957 scopus 로고    scopus 로고
    • The stable isotopic (C and N) composition of modern plants and lichens from northern Iceland: With ecological and paleoenviron-mental implications
    • Wang Y, Wooller MJ. (2006). The stable isotopic (C and N) composition of modern plants and lichens from northern Iceland: with ecological and paleoenviron-mental implications. Jökull 56: 27-37.
    • (2006) Jökull , vol.56 , pp. 27-37
    • Wang, Y.1    Wooller, M.J.2
  • 56
    • 84861642097 scopus 로고    scopus 로고
    • Permafrost gas hydrates and climate change: Lake-based seep studies on the Alaskan north slope
    • Wooller MJ, Ruppel C, Pohlman JW, Leigh MB, Heintz M. (2009). Permafrost gas hydrates and climate change: Lake-based seep studies on the Alaskan north slope. Fire in the Ice 4: 6-9.
    • (2009) Fire in the Ice , vol.4 , pp. 6-9
    • Wooller, M.J.1    Ruppel, C.2    Pohlman, J.W.3    Leigh, M.B.4    Heintz, M.5


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.