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Volumn 12, Issue , 2011, Pages

Inferring functional modules of protein families with probabilistic topic models

Author keywords

[No Author keywords available]

Indexed keywords

BIOLOGICAL PROCESS; CO-OCCURRENCE PATTERN; FUNCTIONAL CHARACTERIZATION; FUNCTIONAL INTERACTION; FUNCTIONAL MODULES; PARTIAL INFORMATION; PROBABILISTIC MODELING; PROBABILISTIC TOPIC MODELS;

EID: 79955691000     PISSN: None     EISSN: 14712105     Source Type: Journal    
DOI: 10.1186/1471-2105-12-141     Document Type: Article
Times cited : (10)

References (57)
  • 1
    • 49649106060 scopus 로고    scopus 로고
    • Genomics of cellulosic biofuels
    • 10.1038/nature07190, 18704079
    • Rubin EM. Genomics of cellulosic biofuels. Nature 2008, 454:841-845. 10.1038/nature07190, 18704079.
    • (2008) Nature , vol.454 , pp. 841-845
    • Rubin, E.M.1
  • 2
    • 0037398732 scopus 로고    scopus 로고
    • Missing genes in metabolic pathways: a comparative genomics approach
    • 10.1016/S1367-5931(03)00027-9, 12714058
    • Osterman A, Overbeek R. Missing genes in metabolic pathways: a comparative genomics approach. Curr Opin Chem Biol 2003, 7:238-251. 10.1016/S1367-5931(03)00027-9, 12714058.
    • (2003) Curr Opin Chem Biol , vol.7 , pp. 238-251
    • Osterman, A.1    Overbeek, R.2
  • 3
    • 31144435316 scopus 로고    scopus 로고
    • Towards multidimensional genome annotation
    • 10.1038/nrg1769, 16418748
    • Reed JL, Famili I, Thiele I, Palsson BO. Towards multidimensional genome annotation. Nat Rev Genet 2006, 7:130-141. 10.1038/nrg1769, 16418748.
    • (2006) Nat Rev Genet , vol.7 , pp. 130-141
    • Reed, J.L.1    Famili, I.2    Thiele, I.3    Palsson, B.O.4
  • 4
    • 0035408587 scopus 로고    scopus 로고
    • Genome annotation: from sequence to biology
    • Stein L. Genome annotation: from sequence to biology. Nat Rev Genet 2001, 2:493-503.
    • (2001) Nat Rev Genet , vol.2 , pp. 493-503
    • Stein, L.1
  • 6
    • 84888281547 scopus 로고    scopus 로고
    • CAFA Challenge: Critical Assessment of Function Annotations
    • CAFA Challenge: Critical Assessment of Function Annotations. 2011, http://biofunctionprediction.org/
    • (2011)
  • 7
    • 0033551248 scopus 로고    scopus 로고
    • Assigning protein functions by comparative genome analysis: protein phylogenetic profiles
    • 10.1073/pnas.96.8.4285, 16324, 10200254
    • Pellegrini M, Marcotte EM, Thompson MJ, Eisenberg D, Yeates TO. Assigning protein functions by comparative genome analysis: protein phylogenetic profiles. Proc Natl Acad Sci USA 1999, 96:4285-4288. 10.1073/pnas.96.8.4285, 16324, 10200254.
    • (1999) Proc Natl Acad Sci USA , vol.96 , pp. 4285-4288
    • Pellegrini, M.1    Marcotte, E.M.2    Thompson, M.J.3    Eisenberg, D.4    Yeates, T.O.5
  • 8
    • 0033828623 scopus 로고    scopus 로고
    • Guilt by association: contextual information in genome analysis
    • 10.1101/gr.10.8.1074, 10958625
    • Aravind L. Guilt by association: contextual information in genome analysis. Genome Res 2000, 10:1074-1077. 10.1101/gr.10.8.1074, 10958625.
    • (2000) Genome Res , vol.10 , pp. 1074-1077
    • Aravind, L.1
  • 9
    • 0034595516 scopus 로고    scopus 로고
    • Co-evolution of proteins with their interaction partners
    • 10.1006/jmbi.2000.3732, 10860738
    • Goh CS, Bogan AA, Joachimiak M, Walther D, Cohen FE. Co-evolution of proteins with their interaction partners. J Mol Biol 2000, 299:283-293. 10.1006/jmbi.2000.3732, 10860738.
    • (2000) J Mol Biol , vol.299 , pp. 283-293
    • Goh, C.S.1    Bogan, A.A.2    Joachimiak, M.3    Walther, D.4    Cohen, F.E.5
  • 10
    • 34347374679 scopus 로고    scopus 로고
    • Discovering functional linkages and uncharacterized cellular pathways using phylogenetic profile comparisons: a comprehensive assessment
    • 10.1186/1471-2105-8-173, 1904249, 17521444
    • Jothi R, Przytycka TM, Aravind L. Discovering functional linkages and uncharacterized cellular pathways using phylogenetic profile comparisons: a comprehensive assessment. BMC Bioinformatics 2007, 8:173. 10.1186/1471-2105-8-173, 1904249, 17521444.
    • (2007) BMC Bioinformatics , vol.8 , pp. 173
    • Jothi, R.1    Przytycka, T.M.2    Aravind, L.3
  • 11
    • 37249090179 scopus 로고    scopus 로고
    • Practical and theoretical advances in predicting the function of a protein by its phylogenetic distribution
    • 10.1098/rsif.2007.1047, 2405902, 17535793
    • Kensche PR, van Noort V, Dutilh BE, Huynen MA. Practical and theoretical advances in predicting the function of a protein by its phylogenetic distribution. J R Soc Interface 2008, 5:151-170. 10.1098/rsif.2007.1047, 2405902, 17535793.
    • (2008) J R Soc Interface , vol.5 , pp. 151-170
    • Kensche, P.R.1    van Noort, V.2    Dutilh, B.E.3    Huynen, M.A.4
  • 12
    • 0033055062 scopus 로고    scopus 로고
    • The use of gene clusters to infer functional coupling
    • 10.1073/pnas.96.6.2896, 15866, 10077608
    • Overbeek R, Fonstein M, D'Souza M, Pusch GD, Maltsev N. The use of gene clusters to infer functional coupling. Proc Natl Acad Sci USA 1999, 96:2896-2901. 10.1073/pnas.96.6.2896, 15866, 10077608.
    • (1999) Proc Natl Acad Sci USA , vol.96 , pp. 2896-2901
    • Overbeek, R.1    Fonstein, M.2    D'Souza, M.3    Pusch, G.D.4    Maltsev, N.5
  • 13
    • 0033523989 scopus 로고    scopus 로고
    • Protein interaction maps for complete genomes based on gene fusion events
    • 10.1038/47056, 10573422
    • Enright AJ, Iliopoulos I, Kyrpides NC, Ouzounis CA. Protein interaction maps for complete genomes based on gene fusion events. Nature 1999, 402:86-90. 10.1038/47056, 10573422.
    • (1999) Nature , vol.402 , pp. 86-90
    • Enright, A.J.1    Iliopoulos, I.2    Kyrpides, N.C.3    Ouzounis, C.A.4
  • 14
    • 0037407924 scopus 로고    scopus 로고
    • Predicting gene function by conserved co-expression
    • 10.1016/S0168-9525(03)00056-8, 12711213
    • van Noort V, Snel B, Huynen MA. Predicting gene function by conserved co-expression. Trends Genet 2003, 19:238-242. 10.1016/S0168-9525(03)00056-8, 12711213.
    • (2003) Trends Genet , vol.19 , pp. 238-242
    • van Noort, V.1    Snel, B.2    Huynen, M.A.3
  • 15
    • 0034669669 scopus 로고    scopus 로고
    • Predicting regulons and their cis-regulatory motifs by comparative genomics
    • 10.1093/nar/28.22.4523, 113887, 11071941
    • McGuire AM, Church GM. Predicting regulons and their cis-regulatory motifs by comparative genomics. Nucleic Acids Res 2000, 28:4523-4530. 10.1093/nar/28.22.4523, 113887, 11071941.
    • (2000) Nucleic Acids Res , vol.28 , pp. 4523-4530
    • McGuire, A.M.1    Church, G.M.2
  • 18
    • 0033518234 scopus 로고    scopus 로고
    • From molecular to modular cell biology
    • 10.1038/35011540, 10591225
    • Hartwell LH, Hopfield JJ, Leibler S, Murray AW. From molecular to modular cell biology. Nature 1999, 402:C47-C52. 10.1038/35011540, 10591225.
    • (1999) Nature , vol.402
    • Hartwell, L.H.1    Hopfield, J.J.2    Leibler, S.3    Murray, A.W.4
  • 19
    • 0346156102 scopus 로고    scopus 로고
    • Detection of functional modules from protein interaction networks
    • Pereira-Leal JB, Enright AJ, Ouzounis CA. Detection of functional modules from protein interaction networks. Proteins 2004, 54:49-57.
    • (2004) Proteins , vol.54 , pp. 49-57
    • Pereira-Leal, J.B.1    Enright, A.J.2    Ouzounis, C.A.3
  • 20
    • 0033523854 scopus 로고    scopus 로고
    • A combined algorithm for genome-wide prediction of protein function
    • 10.1038/47048, 10573421
    • Marcotte EM, Pellegrini M, Thompson MJ, Yeates TO, Eisenberg D. A combined algorithm for genome-wide prediction of protein function. Nature 1999, 402:83-86. 10.1038/47048, 10573421.
    • (1999) Nature , vol.402 , pp. 83-86
    • Marcotte, E.M.1    Pellegrini, M.2    Thompson, M.J.3    Yeates, T.O.4    Eisenberg, D.5
  • 21
    • 62549146620 scopus 로고    scopus 로고
    • Protein function prediction - the power of multiplicity
    • 10.1016/j.tibtech.2009.01.002, 19251332
    • Rentzsch R, Orengo CA. Protein function prediction - the power of multiplicity. Trends Biotechnol 2009, 27:210-219. 10.1016/j.tibtech.2009.01.002, 19251332.
    • (2009) Trends Biotechnol , vol.27 , pp. 210-219
    • Rentzsch, R.1    Orengo, C.A.2
  • 22
    • 59649120244 scopus 로고    scopus 로고
    • Revealing biological modules via graph summarization
    • 10.1089/cmb.2008.11TT, 19183002
    • Navlakha S, Schatz MC, Kingsford C. Revealing biological modules via graph summarization. J Comput Biol 2009, 16:253-264. 10.1089/cmb.2008.11TT, 19183002.
    • (2009) J Comput Biol , vol.16 , pp. 253-264
    • Navlakha, S.1    Schatz, M.C.2    Kingsford, C.3
  • 23
    • 77949494011 scopus 로고    scopus 로고
    • Pandora, a pathway and network discovery approach based on common biological evidence
    • 10.1093/bioinformatics/btp701, 2820679, 20031970
    • Zhang KX, Ouellette BFF. Pandora, a pathway and network discovery approach based on common biological evidence. Bioinformatics 2010, 26:529-535. 10.1093/bioinformatics/btp701, 2820679, 20031970.
    • (2010) Bioinformatics , vol.26 , pp. 529-535
    • Zhang, K.X.1    Ouellette, B.F.F.2
  • 24
    • 74049087026 scopus 로고    scopus 로고
    • Community detection in graphs
    • Fortunato S. Community detection in graphs. Phys Rep 2010, 486:75-174.
    • (2010) Phys Rep , vol.486 , pp. 75-174
    • Fortunato, S.1
  • 25
    • 33751255087 scopus 로고    scopus 로고
    • Evaluation of clustering algorithms for protein-protein interaction networks
    • 10.1186/1471-2105-7-488, 1637120, 17087821
    • Brohee S, van Helden J. Evaluation of clustering algorithms for protein-protein interaction networks. BMC Bioinformatics 2006, 7:488. 10.1186/1471-2105-7-488, 1637120, 17087821.
    • (2006) BMC Bioinformatics , vol.7 , pp. 488
    • Brohee, S.1    van Helden, J.2
  • 26
    • 47849096998 scopus 로고    scopus 로고
    • Inferring modules of functionally interacting proteins using the Bond Energy Algorithm
    • 10.1186/1471-2105-9-285, 2474619, 18559112
    • Watanabe RLA, Morett E, Vallejo EE. Inferring modules of functionally interacting proteins using the Bond Energy Algorithm. BMC Bioinformatics 2008, 9:285. 10.1186/1471-2105-9-285, 2474619, 18559112.
    • (2008) BMC Bioinformatics , vol.9 , pp. 285
    • Watanabe, R.L.A.1    Morett, E.2    Vallejo, E.E.3
  • 27
    • 70449368366 scopus 로고    scopus 로고
    • Predicting homologous signaling pathways using machine learning
    • 10.1093/bioinformatics/btp532, 19736253
    • Bostan B, Greiner R, Szafron D, Lu P. Predicting homologous signaling pathways using machine learning. Bioinformatics 2009, 25:2913-2920. 10.1093/bioinformatics/btp532, 19736253.
    • (2009) Bioinformatics , vol.25 , pp. 2913-2920
    • Bostan, B.1    Greiner, R.2    Szafron, D.3    Lu, P.4
  • 28
    • 77249139318 scopus 로고    scopus 로고
    • Machine learning methods for metabolic pathway prediction
    • 10.1186/1471-2105-11-15, 20064214
    • Dale JM, Popescu L, Karp PD. Machine learning methods for metabolic pathway prediction. BMC Bioinformatics 2010, 11:15. 10.1186/1471-2105-11-15, 20064214.
    • (2010) BMC Bioinformatics , vol.11 , pp. 15
    • Dale, J.M.1    Popescu, L.2    Karp, P.D.3
  • 29
    • 52949089728 scopus 로고    scopus 로고
    • Predicting pathway membership via domain signatures
    • 10.1093/bioinformatics/btn403, 2553439, 18676972
    • Fröhlich H, Fellmann M, Sültmann H, Poustka A, Beissbarth T. Predicting pathway membership via domain signatures. Bioinformatics 2008, 24:2137-2142. 10.1093/bioinformatics/btn403, 2553439, 18676972.
    • (2008) Bioinformatics , vol.24 , pp. 2137-2142
    • Fröhlich, H.1    Fellmann, M.2    Sültmann, H.3    Poustka, A.4    Beissbarth, T.5
  • 30
    • 24044546509 scopus 로고    scopus 로고
    • Refined phylogenetic profiles method for predicting protein-protein interactions
    • 10.1093/bioinformatics/bti532, 15947018
    • Sun J, Xu J, Liu Z, Liu Q, Zhao A, Shi T, Li Y. Refined phylogenetic profiles method for predicting protein-protein interactions. Bioinformatics 2005, 21:3409-3415. 10.1093/bioinformatics/bti532, 15947018.
    • (2005) Bioinformatics , vol.21 , pp. 3409-3415
    • Sun, J.1    Xu, J.2    Liu, Z.3    Liu, Q.4    Zhao, A.5    Shi, T.6    Li, Y.7
  • 31
    • 78650539578 scopus 로고    scopus 로고
    • Network-based function prediction and interactomics: The case for metabolic enzymes
    • Janga SC, Diaz-Mejia JJ, Moreno-Hagelsieb G. Network-based function prediction and interactomics: The case for metabolic enzymes. Metab Eng 2010, 13:1-10.
    • (2010) Metab Eng , vol.13 , pp. 1-10
    • Janga, S.C.1    Diaz-Mejia, J.J.2    Moreno-Hagelsieb, G.3
  • 33
    • 77953019464 scopus 로고    scopus 로고
    • Predicting protein-protein relationships from literature using latent topics
    • Aso T, Eguchi K. Predicting protein-protein relationships from literature using latent topics. Genome Inform 2009, 23:3-12.
    • (2009) Genome Inform , vol.23 , pp. 3-12
    • Aso, T.1    Eguchi, K.2
  • 34
    • 33645334650 scopus 로고    scopus 로고
    • Identifying biological concepts from a protein-related corpus with a probabilistic topic model
    • 10.1186/1471-2105-7-58, 1420333, 16466569
    • Zheng B, McLean DC, Lu X. Identifying biological concepts from a protein-related corpus with a probabilistic topic model. BMC Bioinformatics 2006, 7:58. 10.1186/1471-2105-7-58, 1420333, 16466569.
    • (2006) BMC Bioinformatics , vol.7 , pp. 58
    • Zheng, B.1    McLean, D.C.2    Lu, X.3
  • 35
    • 25144479614 scopus 로고    scopus 로고
    • A latent variable model for chemogenomic profiling
    • 10.1093/bioinformatics/bti515, 15919724
    • Flaherty P, Giaever G, Kumm J, Jordan MI, Arkin AP. A latent variable model for chemogenomic profiling. Bioinformatics 2005, 21:3286-3293. 10.1093/bioinformatics/bti515, 15919724.
    • (2005) Bioinformatics , vol.21 , pp. 3286-3293
    • Flaherty, P.1    Giaever, G.2    Kumm, J.3    Jordan, M.I.4    Arkin, A.P.5
  • 36
    • 33748776559 scopus 로고    scopus 로고
    • Automated protein function prediction - the genomic challenge
    • 10.1093/bib/bbl004, 16772267
    • Friedberg I. Automated protein function prediction - the genomic challenge. Brief Bioinform 2006, 7:225-242. 10.1093/bib/bbl004, 16772267.
    • (2006) Brief Bioinform , vol.7 , pp. 225-242
    • Friedberg, I.1
  • 37
    • 75549085495 scopus 로고    scopus 로고
    • EggNOG v2.0: extending the evolutionary genealogy of genes with enhanced non-supervised orthologous groups, species and functional annotations
    • 10.1093/nar/gkp951, 2808932, 19900971
    • Muller J, Szklarczyk D, Julien P, Letunic I, Roth A, Kuhn M, Powell S, von Mering C, Doerks T, Jensen LJ, Bork P. eggNOG v2.0: extending the evolutionary genealogy of genes with enhanced non-supervised orthologous groups, species and functional annotations. Nucleic Acids Res 2010, 38:D190-D195. 10.1093/nar/gkp951, 2808932, 19900971.
    • (2010) Nucleic Acids Res , vol.38
    • Muller, J.1    Szklarczyk, D.2    Julien, P.3    Letunic, I.4    Roth, A.5    Kuhn, M.6    Powell, S.7    von Mering, C.8    Doerks, T.9    Jensen, L.J.10    Bork, P.11
  • 38
    • 73349120997 scopus 로고    scopus 로고
    • FIGfams: yet another set of protein families
    • 10.1093/nar/gkp698, 2777423, 19762480
    • Meyer F, Overbeek R, Rodriguez A. FIGfams: yet another set of protein families. Nucleic Acids Res 2009, 37:6643-6654. 10.1093/nar/gkp698, 2777423, 19762480.
    • (2009) Nucleic Acids Res , vol.37 , pp. 6643-6654
    • Meyer, F.1    Overbeek, R.2    Rodriguez, A.3
  • 40
    • 0033956060 scopus 로고    scopus 로고
    • The COG database: a tool for genome-scale analysis of protein functions and evolution
    • 10.1093/nar/28.1.33, 102395, 10592175
    • Tatusov RL, Galperin MY, Natale DA, Koonin EV. The COG database: a tool for genome-scale analysis of protein functions and evolution. Nucleic Acids Res 2000, 28:33-36. 10.1093/nar/28.1.33, 102395, 10592175.
    • (2000) Nucleic Acids Res , vol.28 , pp. 33-36
    • Tatusov, R.L.1    Galperin, M.Y.2    Natale, D.A.3    Koonin, E.V.4
  • 43
    • 0035175673 scopus 로고    scopus 로고
    • TIGRFAMs: a protein family resource for the functional identification of proteins
    • 10.1093/nar/29.1.41, 29844, 11125044
    • Haft DH, Loftus BJ, Richardson DL, Yang F, Eisen JA, Paulsen IT, White O. TIGRFAMs: a protein family resource for the functional identification of proteins. Nucleic Acids Res 2001, 29:41-43. 10.1093/nar/29.1.41, 29844, 11125044.
    • (2001) Nucleic Acids Res , vol.29 , pp. 41-43
    • Haft, D.H.1    Loftus, B.J.2    Richardson, D.L.3    Yang, F.4    Eisen, J.A.5    Paulsen, I.T.6    White, O.7
  • 46
    • 35348926028 scopus 로고    scopus 로고
    • Quantitative assessment of protein function prediction from metagenomics shotgun sequences
    • 10.1073/pnas.0702636104, 1955820, 17717083
    • Harrington ED, Singh AH, Doerks T, Letunic I, von Mering C, Jensen LJ, Raes J, Bork P. Quantitative assessment of protein function prediction from metagenomics shotgun sequences. Proc Natl Acad Sci USA 2007, 104:13913-13918. 10.1073/pnas.0702636104, 1955820, 17717083.
    • (2007) Proc Natl Acad Sci USA , vol.104 , pp. 13913-13918
    • Harrington, E.D.1    Singh, A.H.2    Doerks, T.3    Letunic, I.4    von Mering, C.5    Jensen, L.J.6    Raes, J.7    Bork, P.8
  • 47
    • 52649090774 scopus 로고    scopus 로고
    • An invitation to the marriage of metagenomics and metabolomics
    • 10.1016/j.cell.2008.08.025, 18775300
    • Turnbaugh PJ, Gordon JI. An invitation to the marriage of metagenomics and metabolomics. Cell 2008, 134:708-713. 10.1016/j.cell.2008.08.025, 18775300.
    • (2008) Cell , vol.134 , pp. 708-713
    • Turnbaugh, P.J.1    Gordon, J.I.2
  • 48
    • 9144230986 scopus 로고    scopus 로고
    • Computational approaches for the analysis of gene neighbourhoods in prokaryotic genomes
    • 10.1093/bib/5.2.131, 15260894
    • Rogozin IB, Makarova KS, Wolf YI, Koonin EV. Computational approaches for the analysis of gene neighbourhoods in prokaryotic genomes. Brief Bioinform 2004, 5:131-149. 10.1093/bib/5.2.131, 15260894.
    • (2004) Brief Bioinform , vol.5 , pp. 131-149
    • Rogozin, I.B.1    Makarova, K.S.2    Wolf, Y.I.3    Koonin, E.V.4
  • 49
    • 0346494857 scopus 로고    scopus 로고
    • FusionDB: a database for in-depth analysis of prokaryotic gene fusion events
    • 10.1093/nar/gkh053, 308787, 14681411
    • Suhre K, Claverie JM. FusionDB: a database for in-depth analysis of prokaryotic gene fusion events. Nucleic Acids Res 2004, 32:D273-276. 10.1093/nar/gkh053, 308787, 14681411.
    • (2004) Nucleic Acids Res , vol.32
    • Suhre, K.1    Claverie, J.M.2
  • 50
    • 11144239489 scopus 로고    scopus 로고
    • Comprehensive analysis of pseudogenes in prokaryotes: widespread gene decay and failure of putative horizontally transferred genes
    • 10.1186/gb-2004-5-9-r64, 522871, 15345048
    • Liu Y, Harrison PM, Kunin V, Gerstein M. Comprehensive analysis of pseudogenes in prokaryotes: widespread gene decay and failure of putative horizontally transferred genes. Genome Biol 2004, 5:R64. 10.1186/gb-2004-5-9-r64, 522871, 15345048.
    • (2004) Genome Biol , vol.5
    • Liu, Y.1    Harrison, P.M.2    Kunin, V.3    Gerstein, M.4
  • 52
    • 76849117578 scopus 로고    scopus 로고
    • The nested Chinese restaurant process and Bayesian nonparametric inference of topic hierarchies
    • Blei DM, Griffiths TL, Jordan MI. The nested Chinese restaurant process and Bayesian nonparametric inference of topic hierarchies. J Acm 2010, 57:1-30.
    • (2010) J Acm , vol.57 , pp. 1-30
    • Blei, D.M.1    Griffiths, T.L.2    Jordan, M.I.3
  • 55
    • 1842788824 scopus 로고    scopus 로고
    • Finding scientific topics
    • 387300, 14872004
    • Griffiths TL, Steyvers M. Finding scientific topics. Proc Natl Acad Sci USA 2004, 101(SUPPL 1):5228-5235. 387300, 14872004.
    • (2004) Proc Natl Acad Sci USA , vol.101 , Issue.SUPPL. 1 , pp. 5228-5235
    • Griffiths, T.L.1    Steyvers, M.2
  • 56
    • 73149088947 scopus 로고    scopus 로고
    • Latent semantic analysis: a road to meaning
    • Laurence Erlbaum, Landauer T, McNamara D, Dennis S, Kintsch W
    • Steyvers M, Griffiths T. Latent semantic analysis: a road to meaning. 2006, Laurence Erlbaum, Landauer T, McNamara D, Dennis S, Kintsch W.
    • (2006)
    • Steyvers, M.1    Griffiths, T.2


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