Article

Rowley, G, Hensen, D, Felgate, H, Arkenberg, A, Appia‑Ayme, C, Prior, K, Harrington, C, Field, SJ, Butt, JN, Baggs, E and Richardson, DJ (2012) Resolving the contributions of the membrane-bound and periplasmic nitrate reductase systems to nitric oxide and nitrous oxide production inSalmonella entericaserovar Typhimurium. Biochemical Journal, 441 (2). pp. 755-762. ISSN 0264-6021

Breuer, M, Zarzycki, P, Shi, L, Clarke, TA, Edwards, MJ, Butt, JN, Richardson, DJ, Fredrickson, JK, Zachara, JM, Blumberger, J and Rosso, KM (2012) Molecular structure and free energy landscape for electron transport in the decahaem cytochrome MtrF. Biochemical Society Transactions, 40 (6). pp. 1198-1203. ISSN 0300-5127

Edwards, MJ, Hall, A, Shi, L, Fredrickson, JK, Zachara, JM, Butt, JN, Richardson, DJ and Clarke, TA (2012) The Crystal Structure of the Extracellular 11-heme Cytochrome UndA Reveals a Conserved 10-heme Motif and Defined Binding Site for Soluble Iron Chelates. Structure, 20 (7). pp. 1275-1284. ISSN 09692126

Felgate, H, Giannopoulos, G, Sullivan, MJ, Gates, AJ, Clarke, T, Baggs, E, Rowley, G and Richardson, DJ (2012) The impact of copper, nitrate and carbon status on the emission of nitrous oxide by two species of bacteria with biochemically distinct denitrification pathways. Environmental Microbiology, 14 (7). pp. 1788-1800. ISSN 14622912

Liu, J, Wang, Z, Belchik, SM, Edwards, MJ, Liu, C, Kennedy, DW, Merkley, ED, Lipton, MS, Butt, JN, Richardson, DJ, Zachara, JM, Fredrickson, JK, Rosso, KM and Shi, L (2012) Identification and Characterization of MtoA: A Decaheme c-Type Cytochrome of the Neutrophilic Fe(II)-Oxidizing Bacterium Sideroxydans lithotrophicus ES-1. Frontiers in Microbiology, 3. pp. 1-11. ISSN 1664-302X

Marritt, SJ, Lowe, TG, Bye, J, McMillan, DGG, Shi, L, Fredrickson, J, Zachara, J, Richardson, DJ, Cheesman, MR, Jeuken, LJC and Butt, JN (2012) A functional description of CymA, an electron-transfer hub supporting anaerobic respiratory flexibility in Shewanella. Biochemical Journal, 444 (3). pp. 465-474. ISSN 0264-6021

Marritt, SJ, McMillan, DGG, Shi, L, Fredrickson, JK, Zachara, JM, Richardson, DJ, Jeuken, LJC and Butt, JN (2012) The roles of CymA in support of the respiratory flexibility of Shewanella oneidensisMR-1. Biochemical Society Transactions, 40 (6). pp. 1217-1221. ISSN 0300-5127

Richardson, DJ, Butt, JN, Fredrickson, JK, Zachara, JM, Shi, L, Edwards, M, White, G, Baiden, N, Gates, AJ, Marritt, SJ and Clarke, TA (2012) The ‘porin-cytochrome’ model for microbe-to-mineral electron transfer. Molecular Microbiology, 85 (2). pp. 201-212. ISSN 0950382X

Richardson, DJ, Edwards, MJ, White, GF, Baiden, N, Hartshorne, RS, Fredrickson, J, Shi, L, Zachara, J, Gates, AJ, Butt, JN and Clarke, TA (2012) Exploring the biochemistry at the extracellular redox frontier of bacterial mineral Fe(III) respiration. Biochemical Society Transactions, 40 (3). pp. 493-500. ISSN 0300-5127

White, GF, Shi, Z, Shi, L, Dohnalkova, AC, Fredrickson, JK, Zachara, JM, Butt, JN, Richardson, DJ and Clarke, TA (2012) Development of a proteoliposome model to probe transmembrane electron-transfer reactions. Biochemical Society Transactions, 40 (6). pp. 1257-1260. ISSN 0300-5127

Arkenberg, A, Runkel, S, Richardson, DJ and Rowley, G (2011) The production and detoxification of a potent cytotoxin, nitric oxide, by pathogenic enteric bacteria. Biochemical Society Transactions, 39 (6). pp. 1876-1879. ISSN 0300-5127

Clarke, TA, Edwards, MJ, Gates, AJ, Hall, A, White, GF, Bradley, J, Reardon, CL, Shi, L, Beliaev, AS, Marshall, MJ, Wang, Z, Watmough, NJ, Fredrickson, JK, Zachara, JM, Butt, JN and Richardson, DJ (2011) Structure of a bacterial cell surface decaheme electron conduit. Proceedings of the National Academy of Sciences, 108 (23). pp. 9384-9389. ISSN 0027-8424

Gates, AJ, Luque‑Almagro, VM, Goddard, AD, Ferguson, SJ, Roldán, MD and Richardson, DJ (2011) A composite biochemical system for bacterial nitrate and nitrite assimilation as exemplified by Paracoccus denitrificans. Biochemical Journal, 435 (3). pp. 743-753. ISSN 0264-6021

Cabrera, JJ, Sánchez, C, Gates, AJ, Bedmar, EJ, Mesa, S, Richardson, DJ and Delgado, MJ (2011) The nitric oxide response in plant-associated endosymbiotic bacteria. Biochemical Society Transactions, 39 (6). pp. 1880-1885. ISSN 0300-5127

Debieux, CM, Dridge, EJ, Mueller, CM, Splatt, P, Paszkiewicz, K, Knight, I, Florance, H, Love, J, Titball, RW, Lewis, RJ, Richardson, DJ and Butler, CS (2011) A bacterial process for selenium nanosphere assembly. Proceedings of the National Academy of Sciences, 108 (33). pp. 13480-13485. ISSN 0027-8424

Field, S, Roldan, MD, Marritt, SJ, Butt, J, Richardson, D and Watmough, N (2011) Electron transfer to the active site of the bacterial nitric oxide reductase is controlled by ligand binding to heme b3. Biochimica et Biophysica Acta (BBA) - Bioenergetics, 1807 (4). pp. 451-457. ISSN 00052728

Gates, AJ, Butler, CS, Richardson, DJ and Butt, JN (2011) Electrocatalytic reduction of nitrate and selenate by NapAB. Biochemical Society Transactions, 39 (1). pp. 236-242. ISSN 0300-5127

Gates, AJ, Kemp, GL, To, CY, Mann, J, Marritt, SJ, Mayes, AG, Richardson, DJ and Butt, JN (2011) The relationship between redox enzyme activity and electrochemical potential—cellular and mechanistic implications from protein film electrochemistry. Physical Chemistry Chemical Physics, 13 (17). pp. 7720-7731. ISSN 1463-9076

Lockwood, C, Butt, JN, Clarke, TA and Richardson, DJ (2011) Molecular interactions between multihaem cytochromes: probing the protein–protein interactions between pentahaem cytochromes of a nitrite reductase complex. Biochemical Society Transactions, 39 (1). pp. 263-268. ISSN 0300-5127

Lockwood, CWJ, Clarke, TA, Butt, JN, Hemmings, AM and Richardson, DJ (2011) Characterization of the active site and calcium binding in cytochromecnitrite reductases. Biochemical Society Transactions, 39 (6). pp. 1871-1875. ISSN 0300-5127

Luque‑Almagro, VM, Gates, AJ, Moreno‑Vivián, C, Ferguson, SJ, Richardson, DJ and Roldán, MD (2011) Bacterial nitrate assimilation: gene distribution and regulation. Biochemical Society Transactions, 39 (6). pp. 1838-1843. ISSN 0300-5127

Martínez‑Espinosa, Rosa María, Cole, Jeffrey A., Richardson, David and Watmough, Nick (2011) Enzymology and ecology of the nitrogen cycle. Biochemical Society Transactions, 39 (1). pp. 175-178. ISSN 0300-5127

Stremińska, MA, Felgate, H, Rowley, G, Richardson, DJ and Baggs, EM (2011) Nitrous oxide production in soil isolates of nitrate-ammonifying bacteria. Environmental Microbiology Reports. no-no. ISSN 17582229 (In Press)

Sánchez, C, Cabrera, JJ, Gates, AJ, Bedmar, EJ, Richardson, DJ and Delgado, MJ (2011) Nitric oxide detoxification in the rhizobia–legume symbiosis. Biochemical Society Transactions, 39 (1). pp. 184-188. ISSN 0300-5127

Zafrilla, B, Martínez‑Espinosa, RM, Bonete, MJ, Butt, JN, Richardson, DJ and Gates, AJ (2011) A haloarchaeal ferredoxin electron donor that plays an essential role in nitrate assimilation. Biochemical Society Transactions, 39 (6). pp. 1844-1848. ISSN 0300-5127

Goddard, A. D., Stevens, J. M., Rao, F., Mavridou, D. A. I., Chan, W., Richardson, David, Allen, J. W. A. and Ferguson, S. J. (2010) c-Type Cytochrome Biogenesis Can Occur via a Natural Ccm System Lacking CcmH, CcmG, and the Heme-binding Histidine of CcmE. The Journal of Biological Chemistry, 285 (30). pp. 22882-22889.

Kemp, GL, Clarke, TA, Marritt, SJ, Lockwood, C, Poock, SR, Hemmings, AM, Richardson, DJ, Cheesman, MR and Butt, JN (2010) Kinetic and thermodynamic resolution of the interactions between sulfite and the pentahaem cytochrome NrfA fromEscherichia coli. Biochemical Journal, 431 (1). pp. 73-80. ISSN 0264-6021

Lowe, E.C., Bydder, S., Hartshorne, R.S., Tape, H.L.U., Dridge, E.J., Debieux, C.M., Paszkiewicz, K., Singleton, I., Lewis, R.J., Santini, J.M., Richardson, David and Butler, C.S. (2010) Quinol-cytochrome c Oxidoreductase and Cytochrome c4 Mediate Electron Transfer during Selenate Respiration in Thauera selenatis. Journal of Biological Chemistry, 285 (24). pp. 18433-18442. ISSN 0021-9258

Sánchez, C, Gates, AJ, Meakin, GE, Uchiumi, T, Girard, L, Richardson, DJ, Bedmar, EJ and Delgado, MJ (2010) Production of Nitric Oxide and Nitrosylleghemoglobin Complexes in Soybean Nodules in Response to Flooding. Molecular Plant-Microbe Interactions, 23 (5). pp. 702-711. ISSN 0894-0282

Simpson, P. J. L., Richardson, David and Codd, R. (2010) The periplasmic nitrate reductase in Shewanella: the resolution, distribution and functional implications of two NAP isoforms, NapEDABC and NapDAGHB. Microbiology, 156 (2). pp. 302-312. ISSN 1350-0872

Kemp, G, Clarke, TA, Marritt, S, Lockwood, C, Poock, S, Hemmings, A, Richardson, D, Cheesman, M and Butt, J (2010) Kinetic and thermodynamic resolution of the interactions between sulfite and the pentahaem cytochrome NrfA from Escherichia coli. Biochemical Journal, 431 (1). pp. 73-80. ISSN 0264-6021

Hartshorne, RS, Reardon, CL, Ross, D, Nuester, J, Clarke, TA, Gates, AJ, Mills, PC, Fredrickson, JK, Zachara, JM, Shi, L, Beliaev, AS, Marshall, MJ, Tien, M, Brantley, S, Butt, JN and Richardson, DJ (2009) Characterization of an electron conduit between bacteria and the extracellular environment. Proceedings of the National Academy of Sciences, 106 (52). pp. 22169-22174. ISSN 0027-8424

Ize, B., Coulthurst, S.J., Hatzixanthis, K., Caldelari, I., Buchanan, G., Barclay, E.C., Richardson, David, Palmer, T. and Sargent, F. (2009) Remnant signal peptides on non-exported enzymes: implications for the evolution of prokaryotic respiratory chains. Microbiology, 155 (12). pp. 3992-4004. ISSN 1350-0872

Wexler, M, Richardson, DJ and Bond, PL (2009) Radiolabelled proteomics to determine differential functioning of Accumulibacter during the anaerobic and aerobic phases of a bioreactor operating for enhanced biological phosphorus removal. Environmental Microbiology, 11 (12). pp. 3029-3044.

Shi, Liang, Richardson, David, Wang, Zheming, Kerisit, Sebastien N., Rosso, Kevin M., Zachara, John M. and Fredrickson, James K. (2009) The roles of outer membrane cytochromes of Shewanella and Geobacterin extracellular electron transfer. Environmental Microbiology Reports, 1 (4). pp. 220-227. ISSN 17582229

Bueno, E., Richardson, D.J. and Bedmar, E.J. (2009) Expression of Bradyrhizobium japonicum cbb(3) terminal oxidase under denitrifying conditions is subjected to redox conrol. FEMS Microbiology Letters, 298(1). pp. 20-28.

Pintathong, P., Richardson, D.J. and Spiro, S. et al (2009) Influence of metal ions and organic carbons on denitrification activity of the halotolerant bacterium, Paracoccus pantotrophus P16 a strain from shrimp pond. Electronic Journal of Biotechnology, 12.

Prior, K., Hautefort, I., Hinton, J.C.D., Richardson, D.J. and Rowley, G. (2009) All Stressed Out. Salmonella Pathogenesis and Reactive Nitrogen Species. Advances in Microbial Physiology, 56. pp. 1-28. ISSN 00652911

Richardson, D.J., Felgate, H., Watmough, N.J., Thomson, A.J. and Baggs, E. (2009) Mitigating release of the potent greenhouse gase N2O from the nitrogen cycle. Trends in Biotechnology, 27. pp. 288-297.

Watmough, N.J., Field, S.J., Hughes, R.J. and Richardson, D.J. (2009) The bacterial respiratory nitric oxide reductase. Biochemical Society Transactions, 37. pp. 392-399.

Buchanan, G, Maillard, J, Nabuurs, SB, Richardson, DJ, Palmer, T and Sargent, F (2008) Features of a twin-arginine signal peptide required for recognition by a Tat proofreading chaperone. FEBS Letters, 582 (29). pp. 3979-3984.

Goddard, AD, Moir, JW, Richardson, DJ and Ferguson, SJ (2008) Interdependence of two NarK domains in a fused nitrate/nitrite transporter. Molecular Microbiology, 70 (3). pp. 667-681.

Donald, JW, Hicks, MG, Richardson, DJ and Palmer, T (2008) The c-type cytochrome OmcA localizes to the outer membrane upon heterologous expression in Escherichia coli. Journal of Bacteriology, 190 (14). pp. 5127-5131.

Van Wonderen, J, Burlat, B, Richardson, DJ, Cheesman, M and Butt, JN (2008) The nitric oxide reductase activity of cytochrome c nitrite reductase from Escherichia coli. Journal of Biological Chemistry, 283 (15). pp. 9587-9594.

Clarke, TA, Kemp, GL, Van Wonderen, JH, Doyle, RM, Cole , JA, Tovell, N, Cheesman, MR, Butt, JN, Richardson, DJ and Hemmings, AM (2008) Role of a conserved gluatmine residue in tuning the catalytic activity of Escherichia coli cytochrome c nitrite reductase. Biochemistry, 47 (12). pp. 3789-3799.

Flock, U, Thorndycroft, FH, Matorin, AD, Richardson, DJ, Watmough, NJ and Adelroth, P (2008) Defining the proton entry point in the bacterial respiratory nitric oxide reductase. Journal of Biological Chemistry, 283 (7). pp. 3839-3845.

Bonete, MJ, Martinez-Espinosa, RM, Pire, C, Zafrilla, B and Richardson, DJ (2008) Nitrogen metabolism in haloarchaea. Saline Systems, 4. p. 9.

Bueno, E, Bedmar, EJ, Richardson, DJ and Delgado, MJ (2008) Role of Bradyrhizobium japonicum cytochrome c550 in nitrite and nitrate respiration. FEMS Microbiology Letters, 279. pp. 188-194.

Clarke, TA, Holley, T, Hartshorne, RS, Fredrickson, JK, Zachara, JM, Shi, L and Richardson, DJ (2008) The role of multihaem cytochromes in the respiration of nitrite in Eschericia coli and fe(III) in Shewanella oneidensis. Biochemical Society Transactions, 36 (5). pp. 1005-1010.

Clarke, TA, Mills, PC, Poock, SR, Butt, JN, Cheesman, MR, Cole, JA, Hinton, JC, Hemmings, AM, Kemp, G, Soderberg, CA, Spiro, S, Van Wonderen, J and Richardson, DJ (2008) Escherichia coli cytochrome c nitrite reductase NrfA. Methods in Enzymology, 437. pp. 63-77.

Field, SJ, Thorndycroft, FH, Matorin, AD, Richardson, DJ and Watmough, NJ (2008) The Paracoccus denitrificans respiratory NO reductase (NorBC). Methods in Enzymology, 437. pp. 79-101.

Gates, AJ, Richardson, DJ and Butt, JN (2008) Voltammetric characterization of the aerobic energy-dissipating nitrate reductase of Paracoccus pantotrophus: exploring the activity of a redox-balancing enzyme as a function of electrochemical potential. Biochemical Journal, 409 (1). pp. 159-168. ISSN 0264-6021

Leaver, J.T., Richardson, D.J. and Butler, C.S. (2008) Enterobacter cloacae SLD1a-1 gains a selective advantage from selenate reduction when growing in nitrate-depleted anaerobic environments. Journal of Industrial Microbiology and Biotechnology, 35 (8). pp. 867-873.

Mills, P.C., Rowley, G., Spiro, S., Hinton, J.C.D. and Richardson, D.J. (2008) A combination of cytochrome c nitrite reductase (NrfA) and flavorubredoxin (NorV) protects Salmonella enterica serovar Typhimurium against killing by NO in anoxic environments. Microbiology, 154. pp. 1218-1228.

Shi, L., Deng, S., Marshall, M.J., Wang, Z., Kennedy, D.W., Dohnalkova, A.C., Mottaz, H.M., Hill, E.A., Gorby, Y.A., Beliaev, A.S., Richardson, D.J., Zachara, J.M. and Fredrickson, J.K. (2008) Direct involvement of type II secretion system in extracellular translocation of Shewanella oneidensis outer membrane cytochromes MtrC and OmcA. Journal of Bacteriology, 190 (15). pp. 5512-5516.

Simon, J., van Spanning, R.J. and Richardson, D.J. (2008) The organisation of proton motive and non-proton motive redox loops in prokaryotic respiratory systems. Biochimica et Biophysica Acta-Bioenergetics, 1777 (12). pp. 1480-1890.

Martinez-Espinosa, Rosa Maria, Richardson, David, Butt, Julea and Bonete, Mari­a José (2007) Spectropotentiometric properties and salt-dependent thermotolerance of a [2Fe-2S] ferredoxin involved in ntirate assimilation in Haloferax mediterranei. FEMS Microbiology Letters, 277 (1). pp. 50-55.

Hartshorne, RS, Jepson, BN, Clarke, TA, Field, SJ, Fredrickson, J, Zachara, J, Shi, L, Butt, JN and Richardson, DJ (2007) Characterization of Shewanella oneidensis MtrC: a cell-surface decaheme cytochrome involved in respiratory electron transport to extracellular electron acceptors. JBIC Journal of Biological Inorganic Chemistry, 12 (7). pp. 1083-1094. ISSN 0949-8257

Clarke, TA, Cole, JA, Richardson, DJ and Hemmings, AM (2007) The crystal structure of the pentahaem c-type cytochrome NrfB and characterization of its solution-state interaction with the pentahaem nitrite reductase NrfA. Biochemical Journal, 406 (1). pp. 19-30. ISSN 02646021

Hartshorne, RS, Kern, M, Meyer, B, Clarke, TA, Karas, M, Richardson, DJ and Simon, J (2007) A dedicated haem lyase is required for the maturation of a novel bacterial cytochrome c with unconventional covalent haem binding. Molecular Microbiology, 64 (4). pp. 1049-1060. ISSN 0950-382X

Jepson, BJN, Mohan, S, Clarke, TA, Gates, AJ, Cole, JA, Butler, CS, Butt, JN, Hemmings, AM and Richardson, DJ (2007) Spectropotentiometric and structural analysis of the periplasmic nitrate reductase from Escherichia coli. Journal of Biological Chemistry, 282. pp. 6425-6437.

Dridge, E.J., Watts, C.A., Jepson, B.J., Line, K., Santini, J.M., Richardson, D.J. and Butler, C.S. (2007) Investigation of the redox centres of periplasmic selenate reductase from Thauera selenatis by EPR spectroscopy. Biochemical Journal, 408(1). pp. 19-28.

Maillard, J., Spronk, C.A., Buchanan, G., Lyall, V., Richardson, D.J., Palmer, T., Vuister, G.W. and Sargent, F. (2007) Structural diversity in twin-arginine signal peptide-binding proteins. Proceedings of the National Academy of Sciences USA, 104 (40). pp. 15641-15646.

Martinez-Espinosa, R.M., Dridge, E.J., Bonete, M.J., Butt, J.N., Butler, C.S., Sargent, F. and Richardson, D.J. (2007) Look on the positive side! The orientation, identification and bioenergetics of 'Archaeal' membrane-bound nitrate reductases. FEMS Microbiology Letters, 276 (2). pp. 129-139.

Martinez-Espinosa, R.M., Richardson, D.J., Butt, J.N. and Bonete, M.J. (2007) Spectopotentiometric properties and salt-dependent thermotolerance of a [2Fe-2S] ferredoxin-involved nitrate assimilation in Haloferax mediterranei. FEMS Microbiology Letters, 277(1). pp. 50-55.

Meakin, G.E., Bueno, E., Jepson, B., Bedmar, E.J., Richardson, D.J. and Delgado, M.J. (2007) The contribution of bacteroidal nitrate and nitrite reduction to the formation of nitrosylleghaemoglobin complexes in soybean root nodules. Microbiology, 153. pp. 411-419.

Ross, D.E., Ruebush, S.S., Brantley, S.L., Hartshorne, R.S., Clarke, T.A., Richardson, D.J. and Tien, M. (2007) Characterization of Protein/Protein Interactions Involved in Iron Reduction by Shewanella oneidensis MR-1. Applied and Environmental Microbiology, 73. pp. 5797-5808.

Thorndycroft, F.H., Butland, G., Richardson, D.J. and Watmough, N.J. (2007) A new assay for nitric oxide reductase reveals two conserved glutamate residues form the entrance to a proton-conducting channel in the bacterial enzyme. Biochemical Journal, 401 (1). pp. 111-119. ISSN 0264-6021

Clarke, T.A., Hemmings, A.M., Burlat, B., Butt, J.N., Cole, J.A. and Richardson, D.J. (2006) Comparison of the structural and kinetic properties of the cytochrome c nitrite reductases from Escherichia coli, Wolinella succinogenes, Sulfurospirillum deleyianum and Desulfolvibrio desulfuricans. Biochemical Society Transactions, 34. pp. 143-145.

Dridge, E.J., Richardson, D.J., Lewis, R.J. and Butler, C.S. (2006) Developing structure-based models to predict substrate specificity of D-group (Type II) molybdenum enzymes: Application to a molybdo-enzyme of unknown function from Archaeoglobus fulgidus. Biochemical society Transactions, 34. pp. 118-121.

Ellington, M.J., Fosdike, W.L., Sawers, R.G., Richardson, D.J. and Ferguson, S.J. (2006) Regulation of the nap operon encoding the periplasmic nitrate reductase of Paracoccus pantotrophus: delineation of DNA sequences required for redox control. Archives of Microbiology, 184. pp. 298-304.

Gwyer, J.D., Richardson, D.J. and Butt, J.N. (2006) Inhibiting Escherichia coli cytochrome c nitrite reductase: voltammetry reveals an enzyme equipped for action despite the chemical challenges it may face in vivo. Biochemical Society Transactions, 34. pp. 133-135.

Hartshorne, S., Richardson, D.J. and Simon, J. (2006) Multiple haem lyase genes indicate substrate specificity in cytochrome c biogenesis. Biochemical Society Transactions, 34. pp. 146-149.

Hemmings, AM, Clarke, TA, Burlat, B, Butt, JN, Cole, JA and Richardson, DJ (2006) Comparison of the structural and kinetic properties of the cytochrome c nitrite reductases from Escherichia coli, Wolinella succinogenes, Sulfurospirillum deleyianum and Desulfovibrio desulfuricans. Biochemical Society Transactions, 34 (1). p. 143. ISSN 03005127

Jepson, B.J.N., Marietou, A., Mohan, S., Cole, J.A., Butler, C.S. and Richardson, D.J. (2006) Evolution of the soluble nitrate reductase: defining the monomeric periplasmic nitrate reductase subgroup. Biochemical Society Transactions, 34. pp. 122-126.

Lam, CKSCC, Jickells, TD, Richardson, DJ and Russell, DA (2006) Fluorescence-based siderophore biosensor for the determination of bioavailable iron in oceanic waters. Analytical Chemistry, 78. pp. 5040-5045. ISSN 0003-2700

Lowe, E.C., Watts, C.A., Richardson, D.J., Santini, J.M., Singleton, I. and Butler, C.S. (2006) The bioenergetics of selenate respiration in Thauera selenatis. Biochimica et Biophysica Acta-Bioenergetics. p. 203.

Martinez-Espinosa, R.M., Richardson, D.J., Butt, J.N. and Bonete, M.J. (2006) Respiratory nitrate and nitrite pathway in the denitrifier haloarchaeon Haloferax mediterranei. Biochemical Society Transactions, 34. pp. 115-117.

Meakin, G.E., Jepson, B.J.N., Richardson, D.J., Bedmar, E.J. and Delgado, M.J. (2006) The role of Bradyrhizobium japonicum nitric oxide reductase in nitric oxide detoxification in soya bean root nodules. Biochemical Society Transactions, 34. pp. 195-196.

Nilavongse, A., Brondijk, T.H., Overton, T.W., Richardson, D.J., Leach, E.R. and Cole, J.A. (2006) The NapF protein of the Escherichia coli periplasmic nitrate reductase system: demonstration of a cytoplasmic location and interaction with the catalytic subunit, NapA. Microbiology, 152. pp. 3227-3237.

Olmo-Mira, M.F., Cabello, P., Pino, C., Martinez-Luque, M., Richardson, D.J., Castillo, F., Roldan, M.D. and Moreno-Vivan, C. (2006) Expression and characterization of the assimilatory NADH-nitrite reductase from the phototrophic bacterium Rhodobacter capsulatus E1F1. Archives of Microbiology, 186. pp. 339-344.

Ridley, H., Watts, C.A., Richardson, D.J. and Butler, C.S. (2006) Resolution of distinct membrane-bound enzymes from Enterobacter cloacae SLD1a-1 that are responsible for selective reduction of nitrate and selenate oxyanions. Applied and Environmental Microbiology, 72. pp. 5173-5180.

Ridley, H., Watts, C.A., Richardson, D.J. and Butler, C.S. (2006) Development of a viologen-based microtiter plate assay for the analysis of oxyanion reductase activity: Application to the membrane-bound selenate reductase from Enterobacter cloacae SLD1a-1. Analytical Biochemistry, 358. pp. 289-294.

Southall, S.M., Doel, J.J., Richardson, D.J. and Oubrie, A. (2006) Soluble aldose sugar dehydrogenase from Escherichia coli - A highly exposed active site conferring broad substrate specificity. Journal of Biological Chemistry, 281. pp. 30650-30659.

Gwyer, James D., Richardson, David J. and Butt, Julea (2005) Diode or Tunnel-Diode Characteristics? Resolving the Catalytic Consequences of Proton Coupled Electron Transfer in a Multi-Centered Oxidoreductase. Journal of the American Chemical Society, 127 (43). pp. 14964-14965. ISSN 0002-7863

Hatzixanthis, K, Clarke, TA, Oubrie, A, Richardson, DJ, Turner, RJ and Sargent, F (2005) Signal peptide-chaperone interactions on the twin-arginine protein transport pathway. Proceedings of the National Academy of Sciences USA, 102. pp. 8460-8465. ISSN 0027-8424

Burlat, B, Gwyer, JD, Poock, S, Clarke, TA, Cole, JA, Hemmings, AM, Cheesman, MR, Butt, JN and Richardson, DJ (2005) Cytochrome c nitrite reductase: from structural to physicochemical analysis. Biochemical Society Transactions, 33 (1). pp. 137-140. ISSN 03005127

Butler, C.S. and Richardson, D.J. (2005) The emerging molecular structure of the nitrogen cycle: an introduction to the proceedings of the 10th annual N-cycle meeting. Biochemical Society Transactions, 33. pp. 113-118.

Field, SJ, Thornton, NP, Anderson, LJ, Gates, AJ, Reilly, A, Jepson, BJN, Richardson, DJ, George, SJ, Cheesman, MR and Butt, JN (2005) Reductive activation of nitrate reductases. Dalton Transactions, 21. pp. 3580-3586.

Hatzixanthis, K., Richardson, D.J. and Sargent, F. (2005) Chaperones involved in assembly and export of N-oxide reductases. Biochemical Society Transactions, 33. pp. 124-126.

Li, Y., Wexler, M., Richardson, D.J., Bond, P.L. and Johnston, A.W.B. (2005) Screening a wide host-range, waste-water metagenomic library in tryptophan auxotrophs of Rhizobium leguminosarum and of Escherichia coli reveals different classes of cloned trp genes. Environmental Microbiology, 7. pp. 1927-1936.

Marietou, A., Richardson, D.J., Cole, J. and Mohan, S. (2005) Nitrate reduction by Desulfovibrio desulfuricans: a periplasmic nitrate reductase system that lacks NapB, but includes a unique tetraheme c-type cytochrome, NapM. FEMS Microbiology Letters, 248. pp. 217-225.

Mills, P.C., Richardson, D.J., Hinton, J.C.D. and Spiro, S. (2005) Detoxification of nitric oxide by the flavorubredoxin of Salmonella enterica serovar Typhimurium. Biochemical Society Transactions, 33. pp. 198-199.

Watts, C.A., Ridley, H., Dridge, E.J., Leaver, J.T., Reilly, A.J., Richardson, D.J. and Butler, C.S. (2005) Microbial reduction of selenate and nitrate: common themes and variations. Biochemical Society Transactions, 33. pp. 173-175.

Wexler, M., Bond, P.L., Richardson, D.J. and Johnston, A.W.B. (2005) A wide host-range metagenomic library from a waste water treatment plant yields a novel alcohol/aldehyde dehydrogenase that allows Rhizobium leguminosarum but not Escherichia coli to grow on ethanol. Environmental Microbioloy, 7 (12). pp. 1917-1926. ISSN 1462-2912

Clarke, TA, Dennison, V, Seward, HE, Burlat, B, Cole, JA, Hemmings, AM and Richardson, DJ (2004) Purification and spectropotentiometric characterization of Escherichia coli NrfB, a decaheme homodimer that transfers electrons to the decaheme periplasmic nitrite reductase complex. Journal of Biological Chemistry, 279 (40). pp. 41333-41339. ISSN 0021-9258

Jepson, B. J. N., Anderson, Lee J, Rubio, Louis J, Taylor, Claire J, Butler, Clive S, Flores, Enrique, Herrero, Antonia, Butt, Julea and Richardson, David (2004) Tuning a Nitrate Reductase for Function: THE FIRST SPECTROPOTENTIOMETRIC CHARACTERIZATION OF A BACTERIAL ASSIMILATORY NITRATE REDUCTASE REVEALS NOVEL REDOX PROPERTIES. The Journal of Biological Chemistry, 279 (31). pp. 32212-32218.

Brondijk, T.H.C., Nilavongse, A., Filenko, N., Richardson, D.J. and Cole, J.A. (2004) NapGH components of the periplasmic nitrate reductase of Escherichia coli K-12: location, topology and physiological roles in quinol oxidation and redox balancing. Biochemical Journal, 379. pp. 47-55.

Gronberg, K.L.C., Watmough, N.J., Thomson, A.J., Richardson, D.J. and Field, S.J. (2004) Redox-dependent open and closed forms of the active site of the bacterial respiratory nitric-oxide reductase revealed by cyanide binding studies. Journal of Biological Chemistry, 279 (17). pp. 17120-17125. ISSN 0021-9258

Gwyer, J, Angove, H, Richardson, D.J. and Butt, Julea (2004) Redox-triggered events in cytochrome c nitrite reductase. Bioelectrochemistry, 63 (1-2). pp. 43-47.

Gwyer, J.D., Richardson, D.J. and Butt, J.N. (2004) Resolving complexity in the interactions of redox enzymes and their inhibitors: contrasting mechanisms for the inhibition of a cytochrome c nitrite reductase revealed by protein pilm voltammetry. Biochemistry, 43. pp. 15086-15094.

Hedges, D.H.P., Richardson, D.J. and Russell, David (2004) Electrochemical control of protein monolayers at indium tin oxide surfaces for the reagentless optical biosensing of nitric oxide. Langmuir, 20. pp. 1901-1908.

Jormakka, M, Richardson, DR, Byrne, B and Iwata, S (2004) Architecture of NarGH reveals a structural classification of Mo-bisMGD enzymes. Structure, 12. pp. 95-104.

Olmo-Mira, M.F., Gavira, M., Richardson, D.J., Castillo, F., Moreno-Vivian, C. and Roldan, M.D. (2004) NapF is a cytoplasmic iron-sulfur protein required for Fe-S cluster assembly in the periplasmic nitrate reductase.. Journal of Biological Chemistry, 279. pp. 49727-49735.

Taylor, C, Russell, David, Bain, Lindsey A, Richardson, David J and Spiro, Stephen (2004) Construction of a whole-cell gene reporter for the fluorescent bioassay of nitrate. Analytical Biochemistry, 328 (1). pp. 60-66. ISSN 00032697

Zajicek, R.S., Allen, J.W.A., Catron, M.L., Richardson, D.J. and Ferguson, S.J. (2004) Paracoccus pantotrophus NapC can reductively activate cytochrome cd(1) nitrite reductase. FEBS Letters, 565. pp. 48-52.

Gates, AJ, Hughes, RO, Sharp, SR, Millington, PD, Nilavongse, A, Cole, JA, Leach, E-R, Jepson, BJN, Richardson, DJ and Butler, CS (2003) Properties of the periplasmic nitrate reductases fromParacoccus pantotrophusandEscherichia coliafter growth in tungsten-supplemented media. FEMS Microbiology Letters, 220 (2). pp. 261-269. ISSN 03781097

Ellington, M.J.K., Richardson, D.J. and Ferguson, S.J. (2003) Rhodobacter capsulatus gains a competitive advantage from respiratory nitrate reduction during light-dark transitions. Microbiology, 149. pp. 941-948.

Ellington, M.J.K., Sawers, G., Sears, H.J., Spiro, S., Richardson, D.J. and Ferguson, S.J. (2003) Expression and activity of the periplasmic nitrate reductase of Paracoccus pantotrophus in chemostat cultures. Microbiology, 149. pp. 1533-1540.

Ellington, M.J.K., Sawers, R.G., Sears, H.J., Spiro, S., Richardson, D.J. and Ferguson, S.J. (2003) Characterisation of the expression and activity of the periplasmic nitrate reductase of Paracoccus pantotrophus in chemostat cultures. Microbiology, 149. pp. 1533-1540.

Gates, A.J., Hughes, R.O., Sharp, S.R., Millington, P.D., Nilavongse, A., Cole, J.A., Leach, E.R., Jepson, B., Richardson, D.J. and Butler, C.S. (2003) Properties of the periplasmic nitrate reductases from Paracoccus pantotrophus and Escherichia coli after growth in tungsten-supplemented media. FEMS Microbiology Letters, 220. pp. 261-269.

Gregory, L.G., Bond, P.L., Richardson, D.J. and Spiro, S. (2003) Characterisation of a nitrate-respiring bacterial community using the nitrate reductase gene (NarG) as a functional marker. Microbiology, 149. pp. 229-237.

Pitts, K., Dobbin, P.S.D., Reyes-Ramirez, F., Thomson, A.J., Richardson, D.J. and Seward, H. (2003) Characterization of the Shewanella oneidensis MR-1 decaheme cytochrome MtrA: expression in Escherichia coli confers the ability to reduce soluble Fe(III) chelates. Journal of Biological Chemistry, 278. pp. 27758-27765.

Reyes-Ramirez, F., Dobbin, P., Sawers, R.G. and Richardson, D.J. (2003) Characterization of transcriptional regulation of Shewanella frigidimarina Fe(III)-induced flavocytochrome c reveals a novel iron-responsive gene regulation system. Journal of Biological Chemistry, 185. pp. 4564-4571.

Watts, C.A., Ridley, H., Condie, K.L., Leaver, J.T., Richardson, D.J. and Butler, C.S. (2003) Selenate reduction by Enterobacter cloacae SLD1a-1 is catalysed by a molybdenum-dependent membrane-bound enzyme that is distinct from the membrane-bound nitrate reductase. FEMS Microbiology Letters, 228. pp. 273-279.

Butt, Julea, ANDERSON, L, RUBIO, L, Richardson, David, FLORES, E and HERRERO, A (2002) Enzyme-catalysed nitrate reduction—themes and variations as revealed by protein film voltammetry. Bioelectrochemistry, 56 (1-2). pp. 17-18.

Angove, H. C., Cole, Jeffrey A, Richardson, David and Butt, Julea (2002) Protein Film Voltammetry Reveals Distinctive Fingerprints of Nitrite and Hydroxylamine Reduction by a Cytochrome c Nitrite Reductase. The Journal of Biological Chemistry, 277 (26). pp. 23374-23381.

Field, S. J., Prior, Louise, Dolores Roldan, M, Cheesman, Myles, Thomson, Andrew J., Spiro, Stephen, Butt, Julea, Watmough, Nick and Richardson, David (2002) Spectral Properties of Bacterial Nitric-oxide Reductase. RESOLUTION OF pH-DEPENDENT FORMS OF THE ACTIVE SITE HEME b3. The Journal of Biological Chemistry, 277 (23). pp. 20146-20150.

Bamford, Vicki A., Angove, Hayley C., Seward, Harriet E., Thomson, Andrew J., Cole, Jeffrey A., Butt, Julea, Hemmings, Andrew and Richardson, David (2002) Structure and Spectroscopy of the Periplasmic Cytochrome c Nitrite Reductase from Escherichia coli. Biochemistry, 41 (9). pp. 2921-2931.

Brondijk, T.H.C., Fiegen, D., Richardson, D.J. and Cole, J.A. (2002) Roles of NapF, NapG and NapH, subunits of the Escherichia coli periplasmic nitrate reductase, in ubiquinol oxidation. Molecular Microbiology, 44. pp. 245-255.

Butler, C.S., Fairhurst, S., Ferguson, S.J., Thomson, A.J., Richardson, D.J. and Lowe, D.J. (2002) Mo(V) co-ordination in the periplasmic nitrate reductase from Paracoccus pantotrophus probed by electron nuclear double resonance (ENDOR) spectroscopy. Biochemical Journal, 363. pp. 817-823.

Butler, C.S., Ferguson, S.J., Berks, B.C., Thomson, A.J., Cheesman, M.R. and Richardson, D.J. (2002) Assignment of haem ligands and detection of electronic absorption bands of molybdenum in the di-haem periplasmic nitrate reductase of Paracoccus pantotrophus. FEBS Letters, 500. pp. 71-74.

Butt, J.N., Anderson, L.J. and Richardson, D.J. (2002) Protein film viltammetry of a respiratory nitrate reductase: evidence of complex electrochemical modulations of enzyme activity. Journal of Inorganic Biochemistry, 86. p. 164.

Cartron, M.L., Roldan, M.D., Ferguson, S.J., Berks, B.C. and Richardson, D.J. (2002) Identification of two domains and distal histidine ligands to the four haems in the bacterial c-type cytochrome NapC; the prototype connector between quinol/quinone and periplasmic oxido-reductases. Biochemical Journal, 368. pp. 425-432.

Elington, M.J.K., Bhakoo, K.K., Sawers, G., Richardson, D.J. and Ferguson, S.J. (2002) Hierarchy of Carbon Source Selection in Paracoccus pantotrophus: Strict Correlation Between Reduction State of the Carbon Substrate and Aerobic Expression of the nap Operon. Journal of Bacteriology, 184. pp. 4767-4774.

Oubrie, A., Gemeinhardt, S., Field, S., Marritt, S., Thomson, A.J., Saraste, M. and Richardson, D.J. (2002) Properties of a soluble domain of subunit C of a bacterial nitric oxide reductase. Biochemistry, 41. pp. 10858-10865.

Poock, S.R., Leach, E.R., Moir, J.W.B., Cole, J.A. and Richardson, D.J. (2002) Respiratory detoxification of nitric oxide by the cytochrome c nitrite reductase of Escherichia coli. Journal of Biological Chemistry, 277 (26). pp. 23664-23669. ISSN 0021-9258

Seward, H.E., Pitts, K., Dobbin, P., Thomson, A.J. and Richardson, D.J. (2002) Magnetic circular dichroism spectroscopy of multiheme cytochromes involved in the iron respiration of Shewanella oneidensis. Journal of Inorganic Biochemistry, 86. p. 426.

Wood, N.J., Alizadeh, T., Richardson, D.J., Ferguson, S.J. and Moir, J.W.B. (2002) Two domains of a dual-function NarK protein are required for nitrate uptake, the first step of denitrification in Paracoccus pantotrophus. Molecular Microbiology, 44. pp. 157-170.

Anderson, Lee J., Richardson, David and Butt, Julea (2001) Catalytic Protein Film Voltammetry from a Respiratory Nitrate Reductase Provides Evidence for Complex Electrochemical Modulation of Enzyme Activity†. Biochemistry, 40 (38). pp. 11294-11307.

Butland, G., Spiro, S., Watmough, N.J. and Richardson, D.J. (2001) Two conserved glutamates in the bacterial nitric oxide reductase are essential for activity but not assembley of the enzyme. Journal of Bacteriology, 183 (1). pp. 189-199. ISSN 0021-9193

Potter, L., Angrove, H., Richardson, D.J. and Cole, J. (2001) Nitrate reduction in the periplasm of gram-negative bacteria. Advances in Microbial Physiology, 45. pp. 51-112.

Richardson, D.J. (2001) Introduction: nitrate reduction and the nitrogen cycle. Cellular and Molecular Life Sciences, 58. pp. 163-164.

Richardson, David, Berks, B. C., Russell, D. A., Spiro, S. and Taylor, C. J. (2001) Functional, biochemical and genetic diversity of prokaryotic nitrate reductases. Cellular and Molecular Life Sciences, 58 (2). pp. 165-178. ISSN 1420-682X

Wood, N.J., Alizadeh, T., Bennett, S., Pearce, J., Ferguson, S.J., Richardson, D.J. and Moir, J.W. (2001) Maximal expression of membrane-bound nitrate reductase in Paracoccus is induced by nitrate via a third FNR-like regulator named NarR. Journal of Bacteriology, 183. pp. 3606-3613.

Ferretti, S, Paynter, S, Russell, DA, Sapsford, KE and Richardson, DJ (2000) Self-assembled monolayers: a versatile tool for the formulation of bio-surfaces. TrAC Trends in Analytical Chemistry, 19 (9). pp. 530-540. ISSN 01659936

Ferretti, S, Russell, DA, Sapsford, KE, Lee, S-K, MacCraith, BD, Oliva, AG, Vidal, M and Richardson, DJ (2000) Optical biosensing of nitrite ions using cytochrome cd1 nitrite reductase encapsulated in a sol–gel matrix. The Analyst, 125 (11). pp. 1993-1999. ISSN 00032654

Book Section

Wexler, M, Bond, PL, Richardson, DJ and Johnston, AWB (2011) Functional screening of a wide host-range metagenomic library from a wastewater treatment plant yields a novel alcohol/aldehyde dehydrogease. In: Metagenomics and Different Habitats Handbook of Molecular Microbial Ecology. Wiley-Blackwell. ISBN 978-0-470-64719-6