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Volumn 22, Issue 2, 2010, Pages 508-522

PEPR2 is a second receptor for the Pep1 and Pep2 peptides and contributes to defense responses in Arabidopsis

Author keywords

[No Author keywords available]

Indexed keywords

ARABIDOPSIS; ARABIDOPSIS THALIANA; LYCOPERSICON ESCULENTUM; NICOTIANA TABACUM; PSEUDOMONAS SYRINGAE; PYTHIUM; PYTHIUM IRREGULARE;

EID: 77950343795     PISSN: 10404651     EISSN: 1532298X     Source Type: Journal    
DOI: 10.1105/tpc.109.068874     Document Type: Article
Times cited : (383)

References (50)
  • 2
    • 3042521098 scopus 로고    scopus 로고
    • Improved prediction of signal peptides: SignalP 3.0
    • Bendtsen, J.D., Nielsen, H., von Heijne, G., and Brunak, S. (2004). Improved prediction of signal peptides: SignalP 3.0. J. Mol. Biol. 340: 783-795.
    • (2004) J. Mol. Biol , vol.340 , pp. 783-795
    • Bendtsen, J.D.1    Nielsen, H.2    von Heijne, G.3    Brunak, S.4
  • 3
    • 66249135697 scopus 로고    scopus 로고
    • A renaissance of elicitors: Perception of microbe-associated molecular patterns and danger signals by patternrecognition receptors
    • Boller, T., and Felix, G. (2009). A renaissance of elicitors: perception of microbe-associated molecular patterns and danger signals by patternrecognition receptors. Annu. Rev. Plant Biol. 60: 379-406.
    • (2009) Annu. Rev. Plant Biol , vol.60 , pp. 379-406
    • Boller, T.1    Felix, G.2
  • 4
    • 33644749576 scopus 로고    scopus 로고
    • The Arabidopsis receptor kinase FLS2 binds flg22 and determines the specificity of flagellin perception
    • Chinchilla, D., Bauer, Z., Regenass, M., Boller, T., and Felix, G. (2006). The Arabidopsis receptor kinase FLS2 binds flg22 and determines the specificity of flagellin perception. Plant Cell 18: 465-476.
    • (2006) Plant Cell , vol.18 , pp. 465-476
    • Chinchilla, D.1    Bauer, Z.2    Regenass, M.3    Boller, T.4    Felix, G.5
  • 6
    • 0030729445 scopus 로고    scopus 로고
    • The CLAV-ATA1 gene encodes a putative receptor kinase that controls shoot and floral meristem size in Arabidopsis
    • Clark, S.E., Williams, R.W., and Meyerowitz, E.M. (1997). The CLAV-ATA1 gene encodes a putative receptor kinase that controls shoot and floral meristem size in Arabidopsis. Cell 89: 575-585.
    • (1997) Cell , vol.89 , pp. 575-585
    • Clark, S.E.1    Williams, R.W.2    Meyerowitz, E.M.3
  • 7
    • 48149106793 scopus 로고    scopus 로고
    • Arabidopsis MAPKs: A complex signaling network involved in multiple biological processes
    • Colcombet, J., and Hirt, H. (2008). Arabidopsis MAPKs: A complex signaling network involved in multiple biological processes. Biochem. J. 413: 217-226.
    • (2008) Biochem. J , vol.413 , pp. 217-226
    • Colcombet, J.1    Hirt, H.2
  • 8
    • 0002678206 scopus 로고
    • Isolation of total and polysomal RNA from plant tissues
    • S.B. Gelvin and R.A. Schilperoort, eds (Dordrecht, The Netherlands: Kluwer Academic Publishers
    • de Vries, S., Hoge, H., and Bisseling, T. (1988). Isolation of total and polysomal RNA from plant tissues. In Plant Molecular Biology Manual B6, S.B. Gelvin and R.A. Schilperoort, eds (Dordrecht, The Netherlands: Kluwer Academic Publishers), pp. 1-13.
    • (1988) Plant Molecular Biology Manual B6 , pp. 1-13
    • de Vries, S.1    Hoge, H.2    Bisseling, T.3
  • 9
    • 33644850179 scopus 로고    scopus 로고
    • The CLAVATA1-related BAM1, BAM2 and BAM3 receptor kinase-like proteins are required for meristem function in Arabidopsis
    • DeYoung, B.J., Bickle, K.L., Schrage, K.J., Muskett, P., Patel, K., and Clark, S.E. (2006). The CLAVATA1-related BAM1, BAM2 and BAM3 receptor kinase-like proteins are required for meristem function in Arabidopsis. Plant J. 45: 1-16.
    • (2006) Plant J , vol.45 , pp. 1-16
    • Deyoung, B.J.1    Bickle, K.L.2    Schrage, K.J.3    Muskett, P.4    Patel, K.5    Clark, S.E.6
  • 10
    • 34547219390 scopus 로고    scopus 로고
    • Networks of WRKY transcription factors in defense signaling
    • Eulgem, T., and Somssich, I.E. (2007). Networks of WRKY transcription factors in defense signaling. Curr. Opin. Plant Biol. 10: 366-371.
    • (2007) Curr. Opin. Plant Biol , vol.10 , pp. 366-371
    • Eulgem, T.1    Somssich, I.E.2
  • 11
    • 34250169781 scopus 로고    scopus 로고
    • PXY, a receptor-like kinase essential for maintaining polarity during plant vascular-tissue development
    • Fisher, K., and Turner, S. (2007). PXY, a receptor-like kinase essential for maintaining polarity during plant vascular-tissue development. Curr. Biol. 17: 1061-1066.
    • (2007) Curr. Biol , vol.17 , pp. 1061-1066
    • Fisher, K.1    Turner, S.2
  • 12
    • 0002051540 scopus 로고    scopus 로고
    • BioEdit: A user-friendly biological sequence alignment editor and analysis program for Windows 95/98/NT
    • Hall, T.A. (1999). BioEdit: A user-friendly biological sequence alignment editor and analysis program for Windows 95/98/NT. Nucleic Acids Symp. Ser. 41: 95-98.
    • (1999) Nucleic Acids Symp. Ser , vol.41 , pp. 95-98
    • Hall, T.A.1
  • 13
    • 34248675516 scopus 로고    scopus 로고
    • Elicitation and suppression of microbe-associated molecular pattern-triggered immunity in plantmicrobe interactions
    • He, P., Shan, L., and Sheen, J. (2007). Elicitation and suppression of microbe-associated molecular pattern-triggered immunity in plantmicrobe interactions. Cell. Microbiol. 9: 1385-1396.
    • (2007) Cell. Microbiol , vol.9 , pp. 1385-1396
    • He, P.1    Shan, L.2    Sheen, J.3
  • 15
    • 33745589774 scopus 로고    scopus 로고
    • An endogenous peptide signal in Arabidopsis activates components of the innate immune response
    • Huffaker, A., Pearce, G., and Ryan, C.A. (2006). An endogenous peptide signal in Arabidopsis activates components of the innate immune response. Proc. Natl. Acad. Sci. USA 103: 10098-10103.
    • (2006) Proc. Natl. Acad. Sci. Usa , vol.103 , pp. 10098-10103
    • Huffaker, A.1    Pearce, G.2    Ryan, C.A.3
  • 16
    • 34447645226 scopus 로고    scopus 로고
    • Endogenous peptide defense signals in Arabidopsis differentially amplify signaling for the innate immune response
    • Huffaker, A., and Ryan, C.A. (2007). Endogenous peptide defense signals in Arabidopsis differentially amplify signaling for the innate immune response. Proc. Natl. Acad. Sci. USA 104: 10732-10736.
    • (2007) Proc. Natl. Acad. Sci. Usa , vol.104 , pp. 10732-10736
    • Huffaker, A.1    Ryan, C.A.2
  • 17
    • 0033957459 scopus 로고    scopus 로고
    • HAESA, an Arabidopsis leucine-rich repeat receptor kinase, controls floral organ abscission
    • Jinn, T.L., Stone, J.M., and Walker, J.C. (2000). HAESA, an Arabidopsis leucine-rich repeat receptor kinase, controls floral organ abscission. Genes Dev. 14: 108-117.
    • (2000) Genes Dev , vol.14 , pp. 108-117
    • Jinn, T.L.1    Stone, J.M.2    Walker, J.C.3
  • 19
    • 34848860724 scopus 로고    scopus 로고
    • The Arabidopsis thaliana brassinosteroid receptor (AtBRI1) contains a domain that functions as a guanylyl cyclase in vitro
    • Kwezi, L., Meier, S., Mungur, L., Ruzvidzo, O., Irving, H., and Gehring, C. (2007). The Arabidopsis thaliana brassinosteroid receptor (AtBRI1) contains a domain that functions as a guanylyl cyclase in vitro. PLoS One 2: e449.
    • (2007) Plos One , vol.2
    • Kwezi, L.1    Meier, S.2    Mungur, L.3    Ruzvidzo, O.4    Irving, H.5    Gehring, C.6
  • 20
    • 28444461439 scopus 로고    scopus 로고
    • MINISEED3 (MINI3), a WRKY family gene, and HAIKU2 (IKU2), a leucine-rich repeat (LRR) KINASE gene, are regulators of seed size in Arabidopsis
    • Luo, M., Dennis, E.S., Berger, F., Peacock, W.J., and Chaudhury, A. (2005). MINISEED3 (MINI3), a WRKY family gene, and HAIKU2 (IKU2), a leucine-rich repeat (LRR) KINASE gene, are regulators of seed size in Arabidopsis. Proc. Natl. Acad. Sci. USA 102: 17531-17536.
    • (2005) Proc. Natl. Acad. Sci. Usa , vol.102 , pp. 17531-17536
    • Luo, M.1    Dennis, E.S.2    Berger, F.3    Peacock, W.J.4    Chaudhury, A.5
  • 22
    • 33846990935 scopus 로고    scopus 로고
    • Friendly and dangerous signals: Is the tissue in control?
    • Matzinger, P. (2007). Friendly and dangerous signals: is the tissue in control? Nat. Immunol. 8: 11-13.
    • (2007) Nat. Immunol , vol.8 , pp. 11-13
    • Matzinger, P.1
  • 24
    • 35349003331 scopus 로고    scopus 로고
    • Basal resistance against Pseudomonas syringae in Arabidopsis involves WRKY53 and a protein with homology to a nematode resistance protein
    • Murray, S.L., Ingle, R.A., Petersen, L.N., and Denby, K.J. (2007). Basal resistance against Pseudomonas syringae in Arabidopsis involves WRKY53 and a protein with homology to a nematode resistance protein. Mol. Plant Microbe Interact. 20: 1431-1438.
    • (2007) Mol. Plant Microbe Interact , vol.20 , pp. 1431-1438
    • Murray, S.L.1    Ingle, R.A.2    Petersen, L.N.3    Denby, K.J.4
  • 25
    • 0033998715 scopus 로고    scopus 로고
    • Ectoine, the compatible solute of Halomonas elongata, confers hyperosmotic tolerance in cultured tobacco cells
    • Nakayama, H., Yoshida, K., Ono, H., Murooka, Y., and Shinmyo, A. (2000). Ectoine, the compatible solute of Halomonas elongata, confers hyperosmotic tolerance in cultured tobacco cells. Plant Physiol. 122: 1239-1247.
    • (2000) Plant Physiol , vol.122 , pp. 1239-1247
    • Nakayama, H.1    Yoshida, K.2    Ono, H.3    Murooka, Y.4    Shinmyo, A.5
  • 26
    • 1642463788 scopus 로고    scopus 로고
    • Innate immunity in plants and animals: Striking similarities and obvious differences
    • Nürnberger, T., Brunner, F., Kemmerling, B., and Piater, L. (2004). Innate immunity in plants and animals: Striking similarities and obvious differences. Immunol. Rev. 198: 249-266.
    • (2004) Immunol. Rev , vol.198 , pp. 249-266
    • Nürnberger, T.1    Brunner, F.2    Kemmerling, B.3    Piater, L.4
  • 27
    • 0030203863 scopus 로고    scopus 로고
    • TREEVIEW: An application to display phylogenetic trees on personal computers
    • Page, R.D.M. (1996). TREEVIEW: An application to display phylogenetic trees on personal computers. Comput. Appl. Biosci. 12: 357-358.
    • (1996) Comput. Appl. Biosci , vol.12 , pp. 357-358
    • Page, R.D.M.1
  • 28
    • 33646907417 scopus 로고    scopus 로고
    • AGRIS and AtRegNet. A platform to link cisregulatory elements and transcription factors into regulatory networks
    • Palaniswamy, S.K., James, S., Sun, H., Lamb, R.S., Davuluri, R., and Grotewold, E. (2006). AGRIS and AtRegNet. A platform to link cisregulatory elements and transcription factors into regulatory networks. Plant Physiol. 140: 818-829.
    • (2006) Plant Physiol , vol.140 , pp. 818-829
    • Palaniswamy, S.K.1    James, S.2    Sun, H.3    Lamb, R.S.4    Davuluri, R.5    Grotewold, E.6
  • 29
    • 0035940404 scopus 로고    scopus 로고
    • RALF, a 5-kDa ubiquitous polypeptide in plants, arrests root growth and development
    • Pearce, G., Moura, D.S., Stratmann, J., and Ryan, C.A. (2001). RALF, a 5-kDa ubiquitous polypeptide in plants, arrests root growth and development. Proc. Natl. Acad. Sci. USA 98: 12843-12847.
    • (2001) Proc. Natl. Acad. Sci. Usa , vol.98 , pp. 12843-12847
    • Pearce, G.1    Moura, D.S.2    Stratmann, J.3    Ryan, C.A.4
  • 30
    • 55949094265 scopus 로고    scopus 로고
    • Structure-activity studies of AtPep1, a plant peptide signal involved in the innate immune response
    • Pearce, G., Yamaguchi, Y., Munske, G., and Ryan, C.A. (2008). Structure-activity studies of AtPep1, a plant peptide signal involved in the innate immune response. Peptides 29: 2083-2089.
    • (2008) Peptides , vol.29 , pp. 2083-2089
    • Pearce, G.1    Yamaguchi, Y.2    Munske, G.3    Ryan, C.A.4
  • 31
    • 0035800186 scopus 로고    scopus 로고
    • Pectins: Structure, biosynthesis, and oligogalacturonide-related signaling
    • Ridley, B.L., O'Neill, M.A., and Mohnen, D. (2001). Pectins: Structure, biosynthesis, and oligogalacturonide-related signaling. Phytochemistry 57: 929-967.
    • (2001) Phytochemistry , vol.57 , pp. 929-967
    • Ridley, B.L.1    O'Neill, M.A.2    Mohnen, D.3
  • 32
    • 34447618237 scopus 로고    scopus 로고
    • New insights into innate immunity in Arabidopsis
    • Ryan, C.A., Huffaker, A., and Yamaguchi, Y. (2007). New insights into innate immunity in Arabidopsis. Cell. Microbiol. 9: 1902-1908.
    • (2007) Cell. Microbiol , vol.9 , pp. 1902-1908
    • Ryan, C.A.1    Huffaker, A.2    Yamaguchi, Y.3
  • 33
    • 0344630197 scopus 로고    scopus 로고
    • Systemins: A functionally defined family of peptide signals that regulate defensive genes in Solanaceae species
    • Ryan, C.A., and Pearce, G. (2003). Systemins: A functionally defined family of peptide signals that regulate defensive genes in Solanaceae species. Proc. Natl. Acad. Sci. USA 100: 14577-14580.
    • (2003) Proc. Natl. Acad. Sci. Usa , vol.100 , pp. 14577-14580
    • Ryan, C.A.1    Pearce, G.2
  • 34
    • 0032720691 scopus 로고    scopus 로고
    • A 160-kD systemin receptor on the surface of Lycopersicon peruvianum suspension-cultured cells
    • Scheer, J.M., and Ryan, C.A. (1999). A 160-kD systemin receptor on the surface of Lycopersicon peruvianum suspension-cultured cells. Plant Cell 11: 1525-1536.
    • (1999) Plant Cell , vol.11 , pp. 1525-1536
    • Scheer, J.M.1    Ryan, C.A.2
  • 35
    • 20444480631 scopus 로고    scopus 로고
    • Systemic signaling in the wound response
    • Schilmiller, A.L., and Howe, G.A. (2005). Systemic signaling in the wound response. Curr. Opin. Plant Biol. 8: 369-377.
    • (2005) Curr. Opin. Plant Biol , vol.8 , pp. 369-377
    • Schilmiller, A.L.1    Howe, G.A.2
  • 36
    • 2442591728 scopus 로고    scopus 로고
    • Comparative analysis of the receptor-like kinase family in Arabidopsis and rice
    • Shiu, S.H., Karlowski, W.M., Pan, R., Tzeng, Y.H., Mayer, K.F., and Li, W.H. (2004). Comparative analysis of the receptor-like kinase family in Arabidopsis and rice. Plant Cell 16: 1220-1234.
    • (2004) Plant Cell , vol.16 , pp. 1220-1234
    • Shiu, S.H.1    Karlowski, W.M.2    Pan, R.3    Tzeng, Y.H.4    Mayer, K.F.5    Li, W.H.6
  • 37
    • 48049084745 scopus 로고    scopus 로고
    • News from the frontline: Recent insights into PAMP-triggered immunity in plants
    • Schwessinger, B., and Zipfel, C. (2008). News from the frontline: Recent insights into PAMP-triggered immunity in plants. Curr. Opin. Plant Biol. 11: 389-395.
    • (2008) Curr. Opin. Plant Biol , vol.11 , pp. 389-395
    • Schwessinger, B.1    Zipfel, C.2
  • 38
    • 57749121939 scopus 로고    scopus 로고
    • The EPIP peptide of INFLORESCENCE DEFICIENT IN ABSCISSION is sufficient to induce abscission in Arabidopsis through the receptor-like kinases HAESA and HAESA-LIKE2
    • Stenvik, G.E., Tandstad, N.M., Guo, Y., Shi, C.L., Kristiansen, W., Holmgren, A., Clark, S.E., Aalen, R.B., and Butenko, M.A. (2008). The EPIP peptide of INFLORESCENCE DEFICIENT IN ABSCISSION is sufficient to induce abscission in Arabidopsis through the receptor-like kinases HAESA and HAESA-LIKE2. Plant Cell 20: 1805-1817.
    • (2008) Plant Cell , vol.20 , pp. 1805-1817
    • Stenvik, G.E.1    Tandstad, N.M.2    Guo, Y.3    Shi, C.L.4    Kristiansen, W.5    Holmgren, A.6    Clark, S.E.7    Aalen, R.B.8    Butenko, M.A.9
  • 39
    • 0027968068 scopus 로고
    • CLUSTAL W: The sensitivity of progressive multiple sequence alignment through sequence weighting, position-specific gap penalties and weight matrix choice
    • Thompson, J.D., Higgins, D.G., and Gibson, T.J. (1994). CLUSTAL W: The sensitivity of progressive multiple sequence alignment through sequence weighting, position-specific gap penalties and weight matrix choice. Nucleic Acids Res. 22: 4673-4680.
    • (1994) Nucleic Acids Res , vol.22 , pp. 4673-4680
    • Thompson, J.D.1    Higgins, D.G.2    Gibson, T.J.3
  • 40
    • 40949091994 scopus 로고    scopus 로고
    • GASSHO1 and GASSHO2 encoding a putative leucine-rich repeat transmembrane-type receptor kinase are essential for the normal development of the epidermal surface in Arabidopsis embryos
    • Tsuwamoto, R., Fukuoka, H., and Takahata, Y. (2008). GASSHO1 and GASSHO2 encoding a putative leucine-rich repeat transmembrane-type receptor kinase are essential for the normal development of the epidermal surface in Arabidopsis embryos. Plant J. 54: 30-42.
    • (2008) Plant J , vol.54 , pp. 30-42
    • Tsuwamoto, R.1    Fukuoka, H.2    Takahata, Y.3
  • 41
    • 68249155325 scopus 로고    scopus 로고
    • Recent advances in PAMP-triggered immunity against bacteria: Pattern recognition receptors watch over and raise the alarm
    • Valerie, N., Roux, M., and Zipfel, C. (2009). Recent advances in PAMP-triggered immunity against bacteria: Pattern recognition receptors watch over and raise the alarm. Plant Physiol. 150: 1638-1647.
    • (2009) Plant Physiol , vol.150 , pp. 1638-1647
    • Valerie, N.1    Roux, M.2    Zipfel, C.3
  • 42
    • 0026716643 scopus 로고
    • Membrane protein structure prediction: Hydrophobicity analysis and the 'positive inside' rule
    • von Heijne, G. (1992). Membrane protein structure prediction: Hydrophobicity analysis and the 'positive inside' rule. J. Mol. Biol. 225: 487-494.
    • (1992) J. Mol. Biol , vol.225 , pp. 487-494
    • von Heijne, G.1
  • 43
    • 1642375727 scopus 로고    scopus 로고
    • Activation of a mitogenactivated protein kinase pathway in Arabidopsis by chitin
    • Wan, J., Zhang, S., and Stacey, M.G. (2004). Activation of a mitogenactivated protein kinase pathway in Arabidopsis by chitin. Mol. Plant Pathol. 5: 125-135.
    • (2004) Mol. Plant Pathol , vol.5 , pp. 125-135
    • Wan, J.1    Zhang, S.2    Stacey, M.G.3
  • 44
    • 45149090440 scopus 로고    scopus 로고
    • A LysM receptor-like kinase plays a critical role in chitin signaling and fungal resistance in Arabidopsis
    • Wan, J., Zhang, X.-C., Neece, D., Ramonell, K.M., Clough, S., Kim, S.-Y., Stacey, M.G., and Stacey, G. (2008). A LysM receptor-like kinase plays a critical role in chitin signaling and fungal resistance in Arabidopsis. Plant Cell 20: 471-481.
    • (2008) Plant Cell , vol.20 , pp. 471-481
    • Wan, J.1    Zhang, X.-C.2    Neece, D.3    Ramonell, K.M.4    Clough, S.5    Kim, S.-Y.6    Stacey, M.G.7    Stacey, G.8
  • 45
    • 33745617058 scopus 로고    scopus 로고
    • The cell surface leucine-rich repeat receptor for AtPep1, an endogenous peptide elicitor in Arabidopsis, is functional in transgenic tobacco cells
    • Yamaguchi, Y., Pearce, G., and Ryan, C.A. (2006). The cell surface leucine-rich repeat receptor for AtPep1, an endogenous peptide elicitor in Arabidopsis, is functional in transgenic tobacco cells. Proc. Natl. Acad. Sci. USA 103: 10104-10109.
    • (2006) Proc. Natl. Acad. Sci. Usa , vol.103 , pp. 10104-10109
    • Yamaguchi, Y.1    Pearce, G.2    Ryan, C.A.3
  • 46
    • 0034914973 scopus 로고    scopus 로고
    • Evidence for an important role of WRKY DNA binding proteins in the regulation of NPR1 gene expression
    • Yu, D., Chen, C., and Chen, Z. (2001). Evidence for an important role of WRKY DNA binding proteins in the regulation of NPR1 gene expression. Plant Cell 13: 1527-1540.
    • (2001) Plant Cell , vol.13 , pp. 1527-1540
    • Yu, D.1    Chen, C.2    Chen, Z.3
  • 47
    • 33750554911 scopus 로고    scopus 로고
    • Arabidopsis WRKY33 transcription factor is required for resistance to necrotrophic fungal pathogens
    • Zheng, Z., Qamar, S.A., Chen, Z., and Mengiste, T. (2006). Arabidopsis WRKY33 transcription factor is required for resistance to necrotrophic fungal pathogens. Plant J. 48: 592-605.
    • (2006) Plant J , vol.48 , pp. 592-605
    • Zheng, Z.1    Qamar, S.A.2    Chen, Z.3    Mengiste, T.4
  • 48
    • 39149099134 scopus 로고    scopus 로고
    • Pattern-recognition receptors in plant innate immunity
    • Zipfel, C. (2008). Pattern-recognition receptors in plant innate immunity. Curr. Opin. Immunol. 20: 10-16.
    • (2008) Curr. Opin. Immunol , vol.20 , pp. 10-16
    • Zipfel, C.1
  • 49
    • 33646525169 scopus 로고    scopus 로고
    • Perception of the bacterial PAMP EF-Tu by the receptor EFR restricts Agrobacterium-mediated transformation
    • Zipfel, C., Kunze, G., Chinchilla, D., Caniard, A., Jones, J.D.G., Boller, T., and Felix, G. (2006). Perception of the bacterial PAMP EF-Tu by the receptor EFR restricts Agrobacterium-mediated transformation. Cell 125: 749-760.
    • (2006) Cell , vol.125 , pp. 749-760
    • Zipfel, C.1    Kunze, G.2    Chinchilla, D.3    Caniard, A.4    Jones, J.D.G.5    Boller, T.6    Felix, G.7


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