Alcázar, R., Altabella, T., Marco, F., Bortolotti, C., Reymond, M., Koncz, C. and Tiburcio, A. F. 2010. Polyamines: Molecules with regulatory functions in plant abiotic stress tolerance. Planta 231(6): 1237-1249.##Angelini, R., Cona, A., Federico, R., Fincato, P., Tavladoraki, P. and Tisi, A. 2010. Plant amine oxidases “on the move”: An update. Plant Physiology and Biochemistry 48(7): 560-564.##Artimo, P., Jonnalagedda, M., Arnold, K., Baratin, D., Csardi, G., De Castro, E. and Gasteiger, E. 2012. ExPASy: SIB bioinformatics resource portal. Nucleic Acids Research 40(W1): W597-W603.##Bateman, A., Coin, L., Durbin, R., Finn, R. D., Hollich, V., Griffiths-Jones, S. and Sonnhammer, E. L. 2004. The Pfam protein families database. Nucleic Acids Research 32: D138-D141. ##Cao, J. and Shi, F. 2012. Evolution of the RALF gene family in plants: Gene duplication and selection patterns. Evolutionary Bioinformatics 8: 271-292. ##Chen, B.-X., Li, W.-Y., Gao, Y.-T., Chen, Z.-J., Zhang, W.-N., Liu, Q.-J. and Liu, J. 2016. Involvement of polyamine oxidase-produced hydrogen peroxide during coleorhiza-limited germination of rice seeds. Frontiers in Plant Science 7: 1219.##Cheng, X.-Q., Zhu, X.-F., Tian, W.-G., Cheng, W.-H., Sun, J., Jin, S.-X. and Zhu, H.-G. 2017. Genome-wide identification and expression analysis of polyamine oxidase genes in upland cotton (Gossypium hirsutum L.). Plant Cell, Tissue and Organ Culture 129(2): 237-249.##Cona, A., Rea, G., Angelini, R., Federico, R. and Tavladoraki, P. 2006. Functions of amine oxidases in plant development and defence. Trends in Plant Science 11(2): 80-88. ##Dash, S., Van Hemert, J., Hong, L., Wise, R. P. and Dickerson,J.A.2012.PLEXdb:Gene expression resources for plants and plant pathogens. Nucleic Acids Research 40(D1): D1194-D1201.##Duarte, J. M., Cui, L., Wall, P. K., Zhang, Q., Zhang, X., Leebens-Mack, J. and Altman, N. 2006. Expression pattern shifts following duplication indicative of subfunctionalization and neofunctionalization in regulatory genes of Arabidopsis. Molecular Biology and Evolution 23(2): 469-478.##Fincato, P., Moschou, P. N., Ahou, A., Angelini, R., Roubelakis-Angelakis, K. A., Federico, R. and Tavladoraki, P. 2012. The members of Arabidopsis thalianaPAO gene family exhibit distinct tissue-and organ-specific expression pattern during seedling growth and flower development. Amino Acids 42(2-3): 831-841.##Finn, R. D., Bateman, A., Clements, J., Coggill, P., Eberhardt, R. Y., Eddy, S. R. and Mistry, J. 2014. Pfam: The protein families database. Nucleic Acids Research 42(D1): D222-D230.##Finn, R. D., Clements, J. and Eddy, S. R. 2011. HMMER web server: Interactive sequence similarity searching. Nucleic Acids Research 39: W29-W37.##Fu, X.-Z., Chen, C.-W., Wang, Y., Liu, J.-H. and Moriguchi, T. 2011. Ectopic expression of MdSPDS1 in sweet orange (Citrus sinensis Osbeck) reduces canker susceptibility: Involvement of H2O2 production and transcriptional alteration. BMC Plant Biology 11(1): 55.##Ghuge, S. A., Tisi, A., Carucci, A., Rodrigues-Pousada, R. A., Franchi, S., Tavladoraki, P. and Cona, A. 2015. Cell wall amine oxidases: New players in root xylem differentiation under stress conditions. Plants 4(3): 489-504.##Goodstein, D. M., Shu, S., Howson, R., Neupane, R., Hayes, R. D., Fazo, J. and Putnam, N. 2012. Phytozome: A comparative platform for green plant genomics. Nucleic Acids Research 40(D1): D1178-D1186.##Groppa, M. and Benavides, M. 2008. Polyamines and abiotic stress: Recent advances. Amino Acids 34(1): 35-45. ##Gu, T., Han, Y., Huang, R., McAvoy, R. J. and Li, Y. 2016. Identification and characterization of histone lysine methylation modifiers in Fragaria vesca. Scientific Reports 6: 23581. ##Hanada, K., Zou, C., Lehti-Shiu, M. D., Shinozaki, K. and Shiu, S.-H. 2008. Importance of lineage-specific expansion of plant tandem duplicates in the adaptive response to environmental stimuli. Plant physiology 148(2): 993-1003. ##Hu, B., Jin, J., Guo, A.-Y., Zhang, H., Luo, J. and Gao, G. 2015. GSDS 2.0: An upgraded gene feature visualization server.Bioinformatics 31(8): 1296-1297.##Hu, L. and Liu, S. 2012. Genome-wide analysis of the MADS-box gene family in cucumber. Genome 55(3): 245-256. ##Huang, W., Xian, Z., Kang, X., Tang, N. and Li, Z. 2015. Genome-wide identification, phylogeny and expression analysis of GRAS gene family in tomato. BMC Plant Biology 15(1): 209. ##Hundertmark, M. and Hincha, D. K. 2008. LEA (late embryogenesis abundant) proteins and their encoding genes in Arabidopsis thaliana. BMC Genomics 9(1): 118. ##Jiang, S.-Y., Ma, Z. and Ramachandran, S. 2010. Evolutionary history and stress regulation of the lectin superfamily in higher plants. BMC Evolutionary Biology 10(1): 79.##Kumar, S., Stecher, G. and Tamura, K. 2016. MEGA7: Molecular evolutionary genetics analysis ver. 7.0 for bigger datasets. Molecular Biology and Evolution 33(7): 1870-1874.##Larkin, M. A., Blackshields, G., Brown, N., Chenna, R., McGettigan, P. A., McWilliam, H. and Lopez, R. 2007. Clustal W and Clustal X ver. 2.0.Bioinformatics 23(21): 2947-2948. ##Lee, T.-H., Tang, H., Wang, X. and Paterson, A. H. 2013. PGDD: A database of gene and genome duplication in plants. Nucleic Acids Research 41(D1): D1152-D1158.##Liu, J.-H., Wang, W., Wu, H., Gong, X. and Moriguchi, T. 2015. Polyamines function in stress tolerance: From synthesis to regulation. Frontiers in Plant Science 6: 827. ##Liu, T., Wook Kim, D., Niitsu, M., Berberich, T. and Kusano, T. 2014. Polyamineoxidase-1 from rice (Oryza sativa) is a functional ortholog of Arabidopsis polyamine oxidase-5. Plant Signaling and Behavior 9(9): e29773.##Masson, P. H., Takahashi, T. and Angelini, R. 2017. Editorial: Molecular mechanisms underlying polyamine functions in plants. Frontiers in Plant Science 8: 14.##Moschou, P. N., Paschalidis, K. A. and Roubelakis-Angelakis, K. A. 2008. Plant polyamine catabolism: The state of the art. Plant Signaling and Behavior 3(12): 1061-1066.##Rodriguez, A. A., Maiale, S. J., Menéndez, A. B. and Ruiz, O. A. 2009. Polyamine oxidase activity contributes to sustain maize leaf elongation under saline stress. Journal of Experimental Botany 60(15): 4249-4262.##Sekhon, R. S., Lin, H., Childs, K. L., Hansey, C. N., Buell, C. R., de Leon, N. and Kaeppler, S. M. 2011. Genome-wide atlas of transcription during maize development. The Plant Journal 66(4): 553-563.##Sharp, P. A. 1981. Speculations on RNA splicing. Cell 23(3): 643-646.##Shibaya, T., Hori, K., Ogiso-Tanaka, E., Yamanouchi, U., Shu, K., Kitazawa, N. and Wu, J. 2016. Hd18, encoding histone acetylase related to Arabidopsis Floweringlocus D, is involved in the control of flowering time in rice. Plant and Cell Physiology 57(9): 1228-1238.##Sonnhammer, E. L. and Koonin, E. V. 2002. Orthology, paralogy and proposed classification for paralog subtypes. Trends in Genetics 18(12): 619-620.##Swigonova, Z., Lai, J., Ma, J., Ramakrishna, W., Llaca, V., Bennetzen, J. L. and Messing, J. 2004. Close split of sorghum and maize genome progenitors. Genome Research 14(10): 1916-1923.##Takahashi, Y., Cong, R., Sagor, G., Niitsu, M., Berberich, T. and Kusano, T. 2010. Characterization of five polyamine oxidase isoforms in Arabidopsis thaliana. Plant Cell Reports 29(9): 955-965.##Wang, Q., Liu, J., Wang, Y., Zhao, Y., Jiang, H. and Cheng, B. 2015. Systematic analysis of the maize PHD-finger gene family reveals a subfamily involved in abiotic stress response. International Journal of Molecular Sciences 16(10): 23517-23544.##Wang, W. and Liu, J.-H. 2015. Genome-wide identification and expression analysis of the polyamine oxidase gene family in sweet orange (Citrus sinensis). Gene 555(2): 421-429.##Wu, J., Shang, Z., Wu, J., Jiang, X., Moschou, P. N., Sun, W. and Zhang, S. 2010. Spermidine oxidase-derived H2O2 regulates pollen plasma membrane hyperpolarization-activated Ca2+ permeable channels and pollen tube growth. The Plant Journal 63(6): 1042-1053.##Zhou, W., Wu, J., Zheng, Q., Jiang, Y., Zhang, M. and Zhu, S. 2017.Genome-wide identification and comparative analysis of Alfin-like transcription factors in maize. Genes and Genomics 39(3): 261-275.
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