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M. Machuquerio, B. Victor, J. Switala, J. Villanueva, C. Rovira, I. Fita and P. C. Loewen. 2017. Catalase activity of catalase-peroxidases is modulated by changes in pKa of the distal histidine. Biochemistry. Accepted 14 April 2017. D. M. Fernando, P. Chong, M. Singh, V. Spicer, M. Unger, P. C. Loewen, G. Westmacott, and A. Kumar. 2017. Multi-omics approach to study global changes in a triclosan-resistant mutant strain of Acinetobacter baumannii ATCC 17978. Int. J. Antimicrob. Agts. 49: 74-80. View PDF M. Nandi, C. Berry, A. K. C. Brassinga, M. F. Belmonte, W. G. D. Fernando, P. C. Loewen and T. R. de Kievit. 2016. Pseudomonas brassicacearum strain DF41 kills Caenorhaditis elegans through biofilm-dependent and biofilm-independent mechanisms. Appl. Environ. Micro. 82: 6889-6898. View PDF J. Wiens, R. Ho, D. Fernando, A. Kumar, P. C. Loewen, A. K. Brassinga and W. G. Anderson. 2016. Complete genome sequence of the Rhodococcus species isolated from the winter skate Leucoraja ocellata. genomeA 4: e00918-16 View PDF W. Behrens, T. Schweinitzer, J. McMurry, P. C. Loewen, F. Buttner, S. Menz and C. Josenhans. 2016. Localisation and protein-protein interactions of the Helicobacter pylori taxis sensor TlpD and their connection to metabolic functions. Scientific Reports 6: 23582, doi:10.1038/srep23582 View PDF D. Sun, S. A. Crowell, C. M. Harding, P. M. DeSilva, A. Harrison, D. M. Fernando, K. M. Mason, E. Santana, P. C. Loewen, A. Kumar and Y. Liu. 2016. KatG and KatE confer Acinetobacter resistance to hydrogen peroxide but sensitize bacteria to killing by phagocytic respiratory burst. Life Sciences 148: 31-40. View PDF M. M. Galka, N. Rajagopalan, L. M. Buhrow, K. M. Nelson, J. Switala, A. J. Cutler, D. R. J. Palmer, P. C. Loewen, S. R. Abrams and M. C. Loewen. (2015) Identification of interactions between abscisic acid and ribulose-1,5-bisphosphate carboxylase/oxygenase. PLoS One 10(7):e0133033 doi:10.1371/journal/pone.0133033 View PDF I. Fita, X. Carpena and P. C. Loewen. (2015) Catalase-peroxidase (KatG) structure and function. Heme peroxidases. ed. E. Raven and B. Dunford M. Nandi, C. Selin, A. K. C. Brassinga, M. F. Belmonte, W. G. D. Fernando, P. C. Loewen and T. R. de Kievit. (2015) Pyrrolnitrin and hydrogen cyanide production by Pseudomonas chlororaphis strain PA23 exhibits potent nematicidal and repellent activity against Caenorhabditis elegans. PLoS One 10(4):e0123184 doi:10.1371/journal.pone.0123184 View PDF I. Fita, P. C. Loewen and X. Carpena. (2015) Catalase-peroxidase:KatG. Encyclopedia of Inorganic and Bioinorganic Chemistry ed. R. A. Scott, John Wiley: Chichester. DOI: 10.1002/9781119951438.eibc2273 View PDF P. C. Loewen, J. Villanueva, J. Switala, L. J. Donald and A. Ivancich. (2015) Unprecedented access of phenolic substrates to the heme active site of a catalase: substrate binding and peroxidase-like reactivity of Bacillus pumilus catalase monitored by X-ray crystallography and EPR spectroscopy. Proteins 83: 853-866. View PDF P. C. Loewen, Y. Alsaadi, D. Fernando and A. Kumar. (2014) Genome sequence of Acinetobacter baumannii AB031, a tigecycline-resistant clinical isolate from bloodstream infection. genomeA 2: e01036-14 View PDF P. C. Loewen, Y. Alsaadi, D. Fernando and A. Kumar. (2014) Genome sequence of Acinetobacter baumannii AB030, an extreme drug-resistant (XDR) clinical isolate. genomeA 2: e01035-14 View PDF D. Fernando, W. Xu, P. C. Loewen, G. G. Zhanel and A. Kumar. (2014) Triclosan can select for an AdeIJK overexpressing mutant of Acinetobacter baumannii ATCC17978 that displays reduced susceptibility to multiple antibiotics. Antimicrob. Agents Chemo. 58: 6424-6431. View PDF P. C Loewen, J. Villanueva, W. G. D. Fernando and T. de Kievit. (2014) Genome sequence of Pseudomonas chlororaphis PA23. genomeA 2: e00689-14 View PDF K. D. Miner, T. D. Pfister, P. Hosseinzadeh, N. Karaduman, L. J. Donald, P. C. Loewen, Y. Lu and A. Ivancich. (2014) Identifying the elusive sites of tyrosyl radicals in cytochrome c peroxidase: implications for oxidation of substrates bound at a site remote from the heme. Biochemistry 53: 3781-3789 View PDF P. C. Loewen, X. Carpena, P. Vidossich, I. Fita and C. Rovira. (2014) An ionizable active site tryptophan imparts catalase activity to a peroxidase core. J. Am. Chem. Soc. 136: 7249-7252. View PDF P. C. Loewen, J. Switala, D. Fernando and T. de Kievit. (2014) Genome sequence of Pseudomonas brassicacearum DF41. 2014. genomeA 2: e00390-24. View PDF J. Villanueva, J. Switala, A. Ivancich and P. C. Loewen. (2014) Genome sequence of Bacillus pumilus MTCC B6033. genomeA 2: e00327-14. View PDF P. Vidossich, P. C. Loewen, X. Carpena, G. Fiorin, I. Fita, and C. Rovira. (2014) Binding of the anti-tubercular pro-drug isoniazid in the heme access channel of catalase-peroxidase (KatG). A combined structural and metadynamics investigation. J. Phys. Chem. B 118: 2924-2931. View PDF M. M. S. Ismaiel, Y. M. El-Ayouty, P. C. Loewen, M. D. Piercey-Normore. (2014) Characterization of the iron-containing superoxide dismutase and its response to stress in cyanobacterium Spirulina (Arthrospira) platensis. J. Appl. Phycology DOI 10.1007/s10811-013-0233-y. View PDF C. L. Berry, M. Nandi, J. Manuel, A. K. C. Brassinga, W. G. D. Fernando, P. C. Loewen and T. R. de Kievit. (2014) Characterization of the Pseudomonas sp. DF41 quorum sensing locus and its role in fungal antagonism. Biol. Control 69: 82-89. View PDF