Items where Author is "Johnston, Andy"

Gray, Elizabeth, Stewart, Melissa Y. Y., Hanwell, Libby, Crack, Jason C., Devine, Rebecca, Stevenson, Clare E. M., Volbeda, Anne, Johnston, Andrew W. B., Fontecilla-Camps, Juan C., Hutchings, Matthew I., Todd, Jonathan D. and Le Brun, Nick E. ORCID: https://orcid.org/0000-0001-9780-4061 (2023) Stabilisation of the RirA [4Fe–4S] cluster results in loss of iron-sensing function. Chemical Science, 14 (36). pp. 9744-9758. ISSN 2041-6520

Liu, Jingli, Xue, Chun-Xu, Wang, Jinyan, Crombie, Andrew T., Carrión, Ornella, Johnston, Andrew W. B., Murrell, J. Colin, Liu, Ji, Zheng, Yanfen, Zhang, Xiao-Hua and Todd, Jonathan D. (2022) Oceanospirillales containing the DMSP lyase DddD are key utilisers of carbon from DMSP in coastal seawater. Microbiome, 10. ISSN 2049-2618

Pellicer Martinez, Maria Teresa, Crack, Jason, Stewart, Melissa, Bradley, Justin, Svistunenko, Dimitri A., Johnston, Andrew, Cheesman, Myles, Todd, Jonathan and Le Brun, Nick ORCID: https://orcid.org/0000-0001-9780-4061 (2019) Mechanisms of iron- and O2-sensing by the [4Fe-4S] cluster of the global iron regulator RirA. eLife, 8. ISSN 2050-084X

Eyice, Özge, Myronova, Nataliia, Pol, Arjan, Carrión, Ornella, Todd, Jonathan, Smith, Tom J., Gurman, Stephen J., Cuthbertson, Adam, Mazard, Sophie, Mennink-Kersten, Monique A.S.H., Bugg, Timothy D.H., Andersson, K. Kristoffer, Johnston, Andrew W.B., Op den Camp, Huub J. M. and Schäfer, Hendrik (2017) Bacterial SBP56 identified as a Cu-dependent methanethiol oxidase widely distributed in the biosphere. The ISME Journal, 12. 145–160. ISSN 1751-7362

Pellicer Martinez, Maria, Bermejo Martinez, Ana, Crack, Jason, Holmes, John D., Svistunenko, Dimitri, Johnston, Andrew, Cheesman, Myles, Todd, Jonathan and Le Brun, Nick ORCID: https://orcid.org/0000-0001-9780-4061 (2017) Sensing iron availability via the fragile [4Fe-4S] cluster of the bacterial transcriptional repressor RirA. Chemical Science, 8. pp. 8451-8463. ISSN 2041-6520

Sun, Jing, Todd, Jonathan D., Thrash, J. Cameron, Qian, Yanping, Qian, Michael C., Temperton, Ben, Guo, Jiazhen, Fowler, Emily K., Aldrich, Joshua T., Nicora, Carrie D., Lipton, Mary S., Smith, Richard D., De Leenheer, Patrick, Payne, Samuel H., Johnston, Andrew W.B., Davie-Martin, Cleo L., Halsey, Kimberly H. and Giovannoni, Stephen J. (2016) The abundant marine bacterium Pelagibacter simultaneously catabolizes dimethylsulfoniopropionate to the gases dimethyl sulfide and methanethiol. Nature Microbiology, 1.

Johnston, Andrew, Green, Robert and Todd, Jonathan (2016) Enzymatic breakage of dimethylsulfoniopropionate - a signature molecule for life at sea. Current Opinion in Chemical Biology, 31. pp. 58-65. ISSN 1367-5931

Curson, Andrew R. J., Burns, Oliver J., Voget, Sonja, Daniel, Rolf, Todd, Jonathan D., McInnis, Kathryn, Wexler, Margaret and Johnston, Andrew W. B. (2014) Screening of metagenomic and genomic libraries reveals three classes of bacterial enzymes that overcome the toxicity of acrylate. PLoS One, 9 (5). ISSN 1932-6203

Curson, Andrew, Burns, Oliver, Voget, Sonja, Daniel, Rolf, Todd, Jonathan, McInnis, Kathryn, Wexler, Margaret and Johnston, Andy (2014) Screening of Metagenomic and Genomic Libraries Reveals Three Classes of Bacterial Enzymes That Overcome the Toxicity of Acrylate. In: UNSPECIFIED.

Wischer, Daniela, Kumaresan, Deepak, Johnston, Andrew, El Khawand, Myriam, Stephenson, J, Hillebrand-Voiculescu, Alexandra, Chen, Y and Murrell, Colin (2014) Identification and characterization of active methylamine degrading bacteria in Movile Cave. The ISME Journal, 9. pp. 195-206. ISSN 1751-7362

Green, Robert T., Todd, Jonathan D. and Johnston, Andrew W. B. (2013) Manganese uptake in marine bacteria; the novel MntX transporter is widespread in Roseobacters, Vibrios, Alteromonadales and the SAR11 and SAR116 clades. The ISME Journal, 7 (3). pp. 581-591. ISSN 1751-7362

Todd, Jonathan D., Kirkwood, Mark, Newton-Payne, Simone and Johnston, Andrew W. B. (2012) DddW, a third DMSP lyase in a model Roseobacter marine bacterium, Ruegeria pomeroyi DSS-3. The ISME Journal, 6 (1). pp. 223-226. ISSN 1751-7362

Todd, Jonathan D., Curson, Andrew R. J., Sullivan, Matthew J. ORCID: https://orcid.org/0000-0003-2276-3132, Kirkwood, Mark and Johnston, Andrew W. B. (2012) The Ruegeria pomeroyi acuI gene has a tole in DMSP catabolism and resembles yhdH of E. coli and other bacteria in conferring resistance to acrylate. PLoS One, 7 (4). ISSN 1932-6203

Lucas-Elío, Patricia, Goodwin, Lynne, Woyke, Tanja, Pitluck, Sam, Nolan, Matt, Kyrpides, Nikos C., Detter, Janine C., Copeland, Alex, Teshima, Hazuki, Bruce, David, Detter, Chris, Tapia, Roxanne, Han, Shunsheng, Land, Miriam L., Ivanova, Natalia, Mikhailova, Natalia, Johnston, Andrew W. B. and Sanchez-Amat, Antonio (2012) Complete genome sequence of the melanogenic marine bacterium Marinomonas mediterranea type strain (MMB-1T). Standards in Genomic Sciences, 6.

Curson, Andrew R. J., Fowler, Emily K., Dickens, Shilo, Johnston, Andrew W. B. and Todd, Jonathan D. (2012) Multiple DMSP lyases in the γ-proteobacterium Oceanimonas doudoroffii. Biogeochemistry, 110 (1-3). pp. 109-119. ISSN 0168-2563

Lucas-Elío, Patricia, Goodwin, Lynne, Woyke, Tanja, Pitluck, Sam, Nolan, Matt, Kyrpides, Nikos C., Detter, Janine C., Copeland, Alex, Lu, Megan, Bruce, David, Detter, Chris, Tapia, Roxanne, Han, Shunsheng, Land, Miriam L., Ivanova, Natalia, Mikhailova, Natalia, Johnston, Andrew W. B. and Sanchez-Amat, Antonio (2012) Complete genome sequence of Marinomonas posidonica type strain (IVIA-Po-181T). Standards in Genomic Sciences, 7 (1). pp. 31-43. ISSN 1944-3277

Sun, Lei, Curson, Andrew R. J., Todd, Jonathan D. and Johnston, Andrew W. B. (2012) Diversity of DMSP transport in marine bacteria, revealed by genetic analyses. Biogeochemistry, 110 (1-3). pp. 121-130. ISSN 0168-2563

Curson, Andrew R. J., Todd, Jonathan D., Sullivan, Matthew J. ORCID: https://orcid.org/0000-0003-2276-3132 and Johnston, Andrew W. B. (2011) Catabolism of dimethylsulphoniopropionate: microorganisms, enzymes and genes. Nature Reviews Microbiology, 9 (12). pp. 849-859. ISSN 1740-1526

Wexler, Margaret, Bond, Philip L., Richardson, David J. ORCID: https://orcid.org/0000-0002-6847-1832 and Johnston, Andrew W.B. (2011) Functional Screening a Wide Host-Range Metagenomic Library from a Wastewater Treatment Plant Yields a Novel Alcohol/Aldehyde Dehydrogenase. In: Handbook of Molecular Microbial Ecology II. Wiley, pp. 451-459. ISBN 9780470647196

White, Gaye F., Singleton, Chloe, Todd, Jonathan D., Cheesman, Myles R., Johnston, Andrew W. B. and Le Brun, Nick E. ORCID: https://orcid.org/0000-0001-9780-4061 (2011) Heme binding to the second, lower-affinity site of the global iron regulator Irr from Rhizobium leguminosarum promotes oligomerization. FEBS Journal, 278 (12). pp. 2011-2021. ISSN 1742-4658

Todd, Jonathan D., Curson, Andrew R. J., Kirkwood, Mark, Sullivan, Matthew J. ORCID: https://orcid.org/0000-0003-2276-3132, Green, Robert T. and Johnston, Andrew W. B. (2011) DddQ, a novel, cupin-containing, dimethylsulfoniopropionate lyase in marine roseobacters and in uncultured marine bacteria. Environmental Microbiology, 13 (2). pp. 427-438. ISSN 1462-2920

Sullivan, Matthew J. ORCID: https://orcid.org/0000-0003-2276-3132, Curson, Andrew R. J., Shearer, Neil, Todd, Jonathan D., Green, Robert T. and Johnston, Andrew W. B. (2011) Unusual regulation of a leaderless operon involved in the catabolism of dimethylsulfoniopropionate in Rhodobacter sphaeroides. PLoS One, 6 (1). ISSN 1932-6203

Curson, Andrew R. J., Sullivan, Matthew J. ORCID: https://orcid.org/0000-0003-2276-3132, Todd, Jonathan D. and Johnston, Andrew W. B. (2011) DddY, a periplasmic dimethylsulfoniopropionate lyase found in taxonomically diverse species of Proteobacteria. The ISME Journal, 5 (7). pp. 1191-1200. ISSN 1751-7362

Wexler, M, Bond, PL, Richardson, DJ ORCID: https://orcid.org/0000-0002-6847-1832 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. ISBN 978-0-470-64719-6

Kirkwood, Mark, Le Brun, Nick E. ORCID: https://orcid.org/0000-0001-9780-4061, Todd, Jonathan D. and Johnston, Andrew W. B. (2010) The ddP gene of Roseovarius nubinhibens encodes a novel lyase that cleaves dimethylsulfoniopropionate into acrylate plus dimethyl sulfide. Microbiology, 156 (6). pp. 1900-1906. ISSN 1465-2080

Singleton, Chloe, White, Gaye F., Todd, Jonathan D., Marritt, Sophie J., Cheesman, Myles R., Johnston, Andrew W. B. and Le Brun, N ORCID: https://orcid.org/0000-0001-9780-4061 (2010) Heme-responsive DNA binding by the global iron regulator Irr from Rhizobium leguminosarum. The Journal of Biological Chemistry, 285 (21). pp. 16023-16031. ISSN 1083-351X

Kirkwood, Mark, Le Brun, Nick E. ORCID: https://orcid.org/0000-0001-9780-4061, Todd, Jonathan D. and Johnston, Andrew W. B. (2010) The dddP gene of Roseovarius nubinhibens encodes a novel lyase that cleaves dimethylsulfoniopropionate into acrylate plus dimethyl sulfide. Microbiology, 156 (6). pp. 1900-1906. ISSN 1350-0872

Todd, Jonathan D., Curson, Andrew R. J., Nikolaidou-Katsaraidou, Nefeli, Brearley, Charles A. ORCID: https://orcid.org/0000-0001-6179-9109, Watmough, Nicholas J., Chan, Yohan, Bulman Page, Philip C., Sun, Lei and Johnston, Andrew W. B. (2010) Molecular dissection of bacterial acrylate catabolism - unexpected links with dimethylsulfoniopropionate catabolism and dimethyl sulfide production. Environmental Microbiology, 12 (2). pp. 327-343. ISSN 1462-2920

Todd, J. D., Curson, A. R., Dupont, C. L., Nicholson, P. and Johnston, A. W. B. (2009) The dddP gene, encoding a novel enzyme that converts dimethylsulfoniopropionate into dimethyl sulfide, is widespread in ocean metagenomes and marine bacteria and also occurs in some Ascomycete fungi. Environmental Microbiology, 11 (6). pp. 1376-1385. ISSN 1462-2920

Curson, Andrew R. J., Sullivan, Matthew J. ORCID: https://orcid.org/0000-0003-2276-3132, Todd, Jonathan D. and Johnston, Andrew W. B. (2009) Identification of genes for dimethyl sulfide production in bacteria in the gut of Atlantic Herring (Clupea harengus). The ISME Journal, 4 (1). pp. 144-146. ISSN 1751-7362

Kirkwood, Mark, Todd, Jonathan D., Rypien, Krystal L. and Johnston, Andrew W. B. (2009) The opportunistic coral pathogen Aspergillus sydowii contains dddP and makes dimethyl sulfide from dimethylsulfoniopropionate. The ISME Journal, 4 (1). pp. 147-150. ISSN 1751-7362

Crossman, Lisa C., Castillo-Ramirez, Santiago, McAnnula, Craig, Lozano, Luis, Vernikos, Georgios S., Acosta, Jose L., Ghazoui, Zara F., Hernandez-Gonzalez, Ismael, Meakin, Georgina, Walker, Alan W., Hynes, Michael F., Young, J. Peter W., Downie, J. Allan, Romero, David, Johnston, Andrew W. B., Davila, Guillermo, Parkhill, Julian and Gonzalez, Victor (2008) A comon genomic framework for a diverse assembly of plasmids in the symbiotic nitrogen fixing bacteria. PLoS One, 3 (7). ISSN 1932-6203

Curson, A. R. J., Rogers, R., Todd, J. D., Brearley, C. A. ORCID: https://orcid.org/0000-0001-6179-9109 and Johnston, A. W. B. (2008) Molecular genetic analysis of a dimethylsulfoniopropionate lyase that liberates the climate-changing gas dimethylsulfide in several marine a-proteobacteria and Rhodobacter sphaeroides. Environmental Microbiology, 10 (3). pp. 757-767. ISSN 1462-2920

Ogilvie, Lesley A., Hirsch, Penny R. and Johnston, Andrew W. B. (2008) Bacterial diversity of the broadwalk 'classical' winter wheat experiment in relation to long-term fertilizer inputs. Microbial Ecology, 56 (3). pp. 525-537.

Johnston, Andrew W. B., Todd, Jonathan D., Curson, Andrew R., Lei, Sun, Nikolaidou-Katsaridou, Nefeli, Gelfand, Mikhail S. and Rodionov, Dmitry A. (2007) Living without Fur: the subtlety and complexity of iron-responsive gene regulation in the symbiotic bacterium Rhizobium and other α-proteobacteria. BioMetals, 20 (3-4). 501–511. ISSN 1572-8773

Todd, Jonathan D., Rogers, Rachel, You, Guo Li, Wexler, Margaret, Bond, Philip L., Sun, Lei, Curson, Andrew R. J., Malin, Gill ORCID: https://orcid.org/0000-0002-3639-9215, Steinke, Michael and Johnston, Andrew W. B. (2007) Structural and regulatory genes required to make the gas dimethyl sulfide in bacteria. Science, 315 (5812). pp. 666-669. ISSN 1095-9203

Rodionov, Dmitry A., Gelfand, Mikhail S., Todd, Jonathan D., Curson, Andrew R. J. and Johnston, Andrew W. B. (2006) Computational reconstruction of iron- and manganese-responsive transcriptional networks in alpha-proteobacteria. PLoS Computational Biology, 2 (12). ISSN 1553-7358

Todd, Jonathan D., Sawers, Gary, Rodionov, Dmitry A. and Johnston, Andrew W. B. (2006) The Rhizobium leguminosarum regulator IrrA affects the transcription of a wide range of genes in response to Fe availability. Molecular Genetics and Genomics, 275 (6). pp. 564-577.

Young, J. Peter W., Crossman, Lisa C., Johnston, Andrew W. B., Thomson, Nicholas R., Ghazoui, Zara F., Hull, Katherine H., Wexler, Margaret, Curson, Andrew R. J., Todd, Jonathan D., Poole, Philip S., Mauchline, Tim H., East, Alison K., Quail, Michael A., Churcher, Carol, Arrowsmith, Claire, Cherevach, Inna, Chillingworth, Tracey, Clarke, Kay, Cronin, Ann, Davis, Paul, Fraser, Audrey, Hance, Zahra, Hauser, Heidi, Jagels, Kay, Moule, Sharon, Mungall, Karen, Norbertczak, Halina, Rabbinowitsch, Ester, Sanders, Mandy, Simmonds, Mark, Whitehead, Sally and Parkhill, Julian (2006) The genome of Rhizobium leguminosarum has recognizable core and accessory components. Genome Biology, 7. ISSN 1465-6906

Díaz-Mireles, Edit, Wexler, Margaret, Todd, Jonathan D., Bellini, Dominico, Johnston, Andrew W. B. and Sawers, R. Gary (2005) The manganese-responsie repressor Mur of Rhizobium leguminosarum is a member of the Fur-superfamily that recognizes and unusual operator sequence. Microbiology, 151 (12). pp. 4071-4078. ISSN 1465-2080

Johnston, Andrew W. B., Li, Youguo and Ogilvie, Lesley (2005) Metagenomic marine nitrogen fixation - Feast or famine? Trends in Microbiology, 13 (9). pp. 416-420. ISSN 1878-4380

Li, Youguo, Wexler, Margaret, Richardson, David J. ORCID: https://orcid.org/0000-0002-6847-1832, Bond, Philip L. and Johnston, Andrew 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 (12). pp. 1927-1936. ISSN 1462-2920

Todd, Jonathan D., Sawers, Gary and Johnston, Andrew W. B. (2005) Proteomic analysis reveals the wide-ranging effects of the novel, iron-responsive regulator RirA in Rhizobium leguminosarum bv. Viciae. Molecular Genetics and Genomics, 273 (2). pp. 197-206. ISSN 1617-4615

Wexler, Margaret, Bond, Philip L., Richardson, David J. ORCID: https://orcid.org/0000-0002-6847-1832 and Johnston, Andrew 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 Microbiology, 7 (12). pp. 1917-1926. ISSN 1462-2912

Diaz-Mireles, E., Wexler, M., Sawers, G., Bellini, D., Todd, J. D. and Johnston, A. W. B. (2004) The Fur-like protein Mur of Rhizobium leguminosarum is a Mn2+ responsive transcriptional regulator. Microbiology, 150 (5). pp. 1447-1456. ISSN 1465-2080

Johnston, A.W.B. (2004) Mechanisms and Regulation of Iron Uptake in the Rhizobia. In: Iron Transport in Bacteria. ASM Press, pp. 469-488.

Yeoman, K.H., Curson, A.R.J., Todd, J.D., Sawers, G. and Johnston, A.W.B. (2004) Evidence that the Rhizobium regulatory protein rirA binds to cis-acting iron-responsive operators (IROs) at promoters of some Fe-regulated genes. Microbiology, 150 (12). pp. 4065-4074. ISSN 1350-0872

Todd, Jonathan D., Wexler, Margaret, Sawers, Gary, Yeoman, Kay H., Poole, Philip S. and Johnston, Andrew W. B. (2003) RirA, an iron-responsive regulator in the symbiotic bacterium Rhizobium leguminosarum. Microbiology, 148 (12). pp. 4059-4071. ISSN 1350-0872

Yeoman, Kay H., Mitelheiser, Sylvain, Sawers, Gary and Johnston, Andrew W. B. (2003) The ECF σ factor RpoI of R. leguminosarum initiates transcription of the vbsGSO and vbsADL siderophore biosynthetic genes in vitro. FEMS Microbiology Letters, 223 (2). pp. 239-244. ISSN 0378-1097

Wexler, M., Todd, J.D., Kolade, O., Bellini, D., Hemmings, A.M. ORCID: https://orcid.org/0000-0003-3053-3134, Sawers, G. and Johnston, A.W.B. (2003) Fur is not the global regulator of iron uptake genes in Rhizobium leguminosarum. Microbiology, 149. pp. 1357-1365. ISSN 1465-2080

Carter, R.A., Worsley, P.S., Sawers, G., Challis, G.L., Dilworth, M.J., Carson, K.C., Lawrence, J.A., Wexler, M., Johnston, A.W.B. and Yeoman, K.H. (2002) The vbs genes that direct synthesis of the siderophore vicibactin in Rhizobium leguminosarum: their expression in other genera requires ECF s factor Rpol. Molecular Microbiology, 44 (5). pp. 1153-1166. ISSN 0950-382X

Carter, R.A., Yeoman, K.H., Klein, A., Hosie, A.H.F., Sawers, G., Poole, P.S and Johnston, A.W.B. (2002) dpp genes of Rhizobium leguminosarum specify uptake of delta-aminolevulinic acid. Molecular Plant-Microbe Interactions, 15. pp. 69-74. ISSN 1943-7706

Kolade, O. O., Bellini, P., Wexler, M., Johnston, A. W. B., Grossmann, J. G. and Hemmings, A. M. ORCID: https://orcid.org/0000-0003-3053-3134 (2002) Structural studies of the Fur protein from Rhizobium leguminosarum. Biochemical Society Transactions, 30 (4). pp. 771-774. ISSN 1470-8752

Hosie, A.H.F., Allaway, D., Jones, M.A., Walshaw, D.L., Johnston, A.W.B. and Poole, P.S. (2001) Solute-binding protein-dependent ABC transporters are responsible for solute efflux in addition to solute uptake. Molecular Microbiology, 40 (6). pp. 1449-1459. ISSN 1365-2958

Johnston, Andrew W. B., Yeoman, Kay H. and Wexler, Margaret (2001) Metals and the rhizobial-legume symbiosis - Uptake, utilization and signalling. Advances in Microbial Physiology, 45. pp. 113-156.

Wexler, Margaret, Yeoman, Kay H., Stevens, James B., de Luca, Nicola G., Sawers, Gary and Johnston, Andrew W. B. (2001) The Rhizobium leguminosarum tonB gene is required for the uptake of siderophore and haem as sources of iron. Molecular Microbiology, 41 (4). pp. 801-816. ISSN 0950-382X

Yeoman, Kay H., Wisniewski-Dye, Florence, Timony, Christopher, Stevens, James B., DeLuca, Nicola G., Downie, J. Allan and Johnston, Andrew W. B. (2000) Analysis of the Rhizobium leguminosarum siderophore-uptake gene fhuA:Differential expression in free-living bacteria and nitrogen-fixing bacteroids and distribution of an fhuA pseudogene in different strains. Microbiology, 146 (4). pp. 829-837. ISSN 1350-0872

Stevens, James B., de Luca, Nicola G., Beringer, John E., Ringer, John P., Yeoman, Kay H. and Johnston, Andrew W. B. (2000) The purMN genes of Rhizobium leguminosarum and a superficial link with siderophore production. Molecular Plant-Microbe Interactions, 13 (2). pp. 228-231. ISSN 0894-0282

Yeoman, Kay H., May, Alex G., deLuca, Nicola G., Stuckey, Daniel B. and Johnston, Andrew W. B. (1999) A putative ECF σ factor gene, rpoI, regulates siderophore production in Rhizobium leguminosarum. Molecular Plant-Microbe Interactions, 12 (11). pp. 994-999. ISSN 0894-0282

de Luca, Nicola G., Wexler, Margaret, Pereira, Maria J., Yeoman, Kay H. and Johnston, Andrew W. B. (1998) Is the fur gene of Rhizobium leguminosarum essential? FEMS Microbiology Letters, 168 (2). pp. 289-295. ISSN 0378-1097

Tawfiq Alkafaf, Najláa K., Yeoman, Kay H., Wexler, Margaret, Hussain, Haitham and Johnston, Andrew W. B. (1997) Analysis of a Rhizobium leguminosarum gene encoding a protein homologous to glutathione S-transferases. Microbiology, 143 (3). pp. 813-822. ISSN 1350-0872

Yeoman, Kay H., Delgado, Maria-Jesus, Wexler, Margaret, Downie, J. Allen and Johnston, Andy W. B. (1997) High affinity iron acquisition in Rhizobium leguminosarum requires the cycHJKL operon and the feuPQ gene products, which belong to the family of two-component transcriptional regulators. Microbiology, 143 (1). pp. 127-134. ISSN 1350-0872

Yeoman, K.H., Hong, G.F., Mimmack, M.L. and Johnston, Andy (1996) A region of a Sym plasmid of Rhizobium leguminosarum biovar phaseoli has similarity to prokaryotic insertion sequences and to eukaryotic integrases. Plasmid, 35 (2). pp. 121-130. ISSN 0147-619X

Brightwell, G., Hussain, H., Tiburtius, A., Yeoman, K.H. and Johnston, Andy (1995) Pleiotropic effects of regulatory ros mutants of Agrobacterium radiobacter and their interaction with Fe and glucose. Molecular Plant-Microbe Interactions, 8 (5). pp. 747-754. ISSN 0894-0282

Delgado, M.-J., Yeoman, K.H., Wu, G., Vargas, C., Davies, A.E., Poole, R.K., Johnston, Andy and Downie, J.A. (1995) Characterization of the cycHJKL genes involved in cytochrome c biogenesis and symbiotic nitrogen fixation in Rhizobium leguminosarum. Journal of Bacteriology, 177 (17). pp. 4927-4934. ISSN 0021-9193

Yeoman, Kay, Delgado, MJ, Downie, JA and Johnston, Andy (1995) A Novel Symbiotic Region in the Genome of Rhizobium leguminosarum. In: Nitrogen Fixation: Fundamentals and Applications. Kluwer Academic Publishers, Dordrect, p. 422.