Publications

Kim, S., LaCroix, I., Gerber, S., Guerinot, M.L. (2019). The iron deficiency response in Arabidopsis thaliana requires the phosphorylated transcription factor URI. Proceedings of the National Academy of Sciences. 116(50):24933-42.

Huang, X., Liu, H., Zhu, Y., Pinson, S., Lin, H., Guerinot, M.L., Zhao, F., Salt, D. (2019). Natural variation in a molybdate transporter controls grain molybdenum concentration in rice. New Phytologist. 221(4):1983-97.

Nachman, K., Punshon, T., Rardin, L., Signes-Pastor, A., Murray, C., Jackson, B., Guerinot, M.L., Burke, T., Chen, C., Ahsan, H., Argos, M., Cottingham, K., Cubadda, F., Ginsberg, G., Goodale, B., Kurzius-Spencer, M., Meharg, A., Miller, M., Nigra, A., Pendergrast, C., Raab, A., Reimer, K., Scheckel, K., Schwerdtle, T., Taylor, V., Tokar, E., Warczak, T, Karagas, M. (2018). Opportunities and challenges for dietary arsenic intervention. Environmental Health Perspectives. 126(8).

Ricachenevsky, F., Punshon, T., Lee, S., Oliveira, B.H., Trenz, T., Maraschin, F., Hindt, M., Danku, J., Salt, D., Fett, J., Guerinot, M.L. (2018). Elemental profiling of rice FOX lines leads to characterization of a new Zn plasma membrane transporter, OsZIP7. Frontiers in Plant Science. 9:865.

Guerinot, M.L., Baxter, I., Salt, D.E. (2018). From the Ionome to the Genome: Identifying the gene networks that control the mineral content of plants. Annual Plant Reviews online.

Chu, H., Car, S., Socha, A., Hindt, M., Punshon, T., Guerinot, M.L. (2017). The Arabidopsis MTP8 transporter determines the localization of manganese and iron in seeds. Scientific Reports 7, 11024.

Punshon, T., Jackson, B., Meharg, A., Warczak, T., Scheckel, K., Guerinot, M.L. (2017). Understanding arsenic dynamics in agronomic systems to predict and prevent uptake by crop plants. Science of the Total Environment. 581-82:209-20.

Hindt, M., Akmakjian, G., Pivarski, K., Punshon, T., Baxter, I., Salt, D., Guerinot, ML. (2017). BRUTUS and its paralogs, BTS LIKE1 and BTS LIKE2, encode important negative regulators of the iron deficiency response in Arabidopsis thaliana. Metallomics. 9(7):876-90.

Huang, X., Deng, F., Yamaji, N., Pinson, S.R.M., Fujii-Kashino, M., Danku, J., Douglas, A., Guerinot, M.L., Salt, D.E., Ma, J.F. (2016). A heavy metal P-type ATPase OsHMA4 prevents copper accumulation in rice grain. Nature Communications 7, 12138.

Guerinot, M. (2016). Micronutrients: Supplementing seeds with zinc. Nature Plants 2, 16060.

Mary V, Schnell Ramos M, Gillet C, Socha AL, Giraudat J, Agorio A, Merlot S, Clairet C, Kim SA, Punshon T, Guerinot ML, and Thomine S. (2015). Bypassing Iron Storage in Endodermal Vacuoles Rescues the Iron Mobilization Defect in the natural resistance associated-macrophage protein3natural resistance associated-macrophage protein4 Double Mutant. Plant Physiol. 169(1):748-59. [PMID: 26232490]

Stanton BA, Caldwell K, Congdon CB, Disney J, Donahue M, Ferguson E, Flemings E, Golden M, Guerinot ML, Highman J, James K, Kim C, Lantz RC, Marvinney RG, Mayer G, Miller D, Navas-Acien A, Nordstrom DK, Postema S, Rardin L, Rosen B, SenGupta A, Shaw J, Stanton E, and Susca P. (2015). MDI Biological Laboratory Arsenic Summit: Approaches to Limiting Human Exposure to Arsenic. Curr Environ Health Rep. ;2(3):329-37. [PMID: 26231509]

Zhai Z, Gayomba SR, Jung HI, Vimalakumari NK, Piñeros M, Craft E, Rutzke MA, Danku J, Lahner B, Punshon T, Guerinot ML, Salt DE, Kochian LV, and Vatamaniuk OK. (2014). OPT3 Is a Phloem-Specific Iron Transporter That Is Essential for Systemic Iron Signaling and Redistribution of Iron and Cadmium in Arabidopsis. Plant Cell. 26(5):2249-2264. [PMID: 24867923]

Socha AL and Guerinot ML. (2014). Mn-euvering manganese: the role of transporter gene family members in manganese uptake and mobilization in plants. Front Plant Sci. 5:106. eCollection. Review. [PMID: 24744764]

Norton GJ, Douglas A, Lahner B, Yakubova E, Guerinot ML, Pinson SR, Tarpley L, Eizenga GC, McGrath SP, Zhao FJ, Islam MR, Islam S, Duan G, Zhu Y, Salt DE, Meharg AA, and Price AH. (2014). Genome wide association mapping of grain arsenic, copper, molybdenum and zinc in rice (Oryza sativa L.) grown at four international field sites. PLoS One. 9(2):e89685. eCollection. [PMID: 24586963]

Zhang M, Pinson SR, Tarpley L, Huang XY, Lahner B, Yakubova E, Baxter I, Guerinot ML, and Salt DE. (2014). Mapping and validation of quantitative trait loci associated with concentrations of 16 elements in unmilled rice grain. Theor Appl Genet. 127(1):137-65. [PMID: 24231918]

Palmer CM, Hindt MN, Schmidt H, Clemens S, and Guerinot ML. (2013) MYB10 and MYB72 Are Required for Growth under Iron-Limiting Conditions. PLoS Genet. 9(11): e1003953.

Hosmani PS, Kamiya T, Danku J, Naseer S, Geldner N, Guerinot ML, and Salt DE. (2013). Dirigent domain-containing protein is part of the machinery required for formation of the lignin-based Casparian strip in the root. Proc Natl Acad Sci U S A. 110(35):14498-503. Erratum in: Proc Natl Acad Sci U S A. 110(40):16283. [PMID: 23940370]

McDowell SC, Akmakjian G, Sladek C, Mendoza-Cozatl D, Morrissey JB, Saini N, Mittler R, Baxter I, Salt DE, Ward JM, Schroeder JI, Guerinot ML, and Harper JF. (2013). Elemental concentrations in the seed of mutants and natural variants of Arabidopsis thaliana grown under varying soil conditions. PLoS One. 8(5):e63014. [PMID: 23671651]

Schroeder JI, Delhaize E, Frommer WB, Guerinot ML, Harrison MJ, Herrera-Estrella L, Horie T, Kochian LV, Munns R, Nishizawa NK, Tsay YF, Sanders D (2013) Using membrane transporters to improve crops for sustainable food production. Nature. 497(7447):60-6. [PMID: 23636397]

Hong S, Kim SA, Guerinot ML, and McClung CR. (2013). Reciprocal interaction of the circadian clock with the iron homeostasis network in Arabidopsis. Plant Physiol. 161(2):893-903. [PMID: 23250624]

Yang J, Punshon T, Guerinot ML, and Hirschi KD. (2012). Plant calcium content: ready to remodel. Nutrients. 4(8):1120-36. [PMID: 23016135]

Hindt MN and Guerinot ML. (2012). Getting a sense for signals: regulation of the plant iron deficiency response. Biochim Biophys Acta. 1823(9):1521-30. Review. [PMID: 22483849]

Lee S, Ryoo N, Jeon JS, Guerinot ML, and An G. (2012). Activation of rice Yellow Stripe-1 Like 16 (OsYSL16) enhances iron efficiency. Mol Cells. 33(2):117-128.

Donner E, Punshon T, Guerinot ML, and Lombi E. (2012). Functional characterization of metal(loid) processes in planta through the integration of synchrotron techniques and plant molecular biology. Anal. Bioanal. Chem. 402(10):3287-3298.

Carey AM, Lombi E, Donner E, de Jonge MD, Punshon T, Jackson BP, Guerinot ML, Price AH, and Meharg AA. (2011). A review of recent developments in the speciation and location of arsenic and selenium in rice grain. Anal Bioanal Chem. 402(10):3275-86.

Norton GJ, Pinson SR, Alexander J, McKay S, Hansen H, Duan GL, Rafiqul Islam M, Islam S, Stroud JL, Zhao FJ, McGrath SP, Zhu YG, Lahner B, Yakubova E, Guerinot ML, Tarpley L, Eizenga GC, Salt DE, Meharg AA, and Price AH. (2011). Variation in grain arsenic assessed in a diverse panel of rice (Oryza sativa) grown in multiple sites. New Phytol. 158(1):352-62.

Punshon T, Hirschi K, Yang J, Lanzirotti A, Lai B, and Guerinot ML. (2011). The role of CAX1 and CAX3 in elemental distribution and abundance in Arabidopsis seed. Plant Phys. 158(1):352-362

Karagas MR, Andrew AS, Nelson HH, Li Z, Punshon T, Schned A, Marsit CJ, Morris JS, Moore JH, Tyler AL, Gilbert-Diamond D, Guerinot ML, and Kelsey KT. (2012). SLC39A2 and FSIP1 polymorphisms as potential modifiers of arsenic-related bladder cancer. Hum Genet. 131(3):453-61.

Stockwell SB, Reutimann L, and Guerinot ML. (2012). A role for Bradyrhizobium japonium ECF16 Sigma Factor EcfS in the Formation of a Functional Symbiosis with Soybean. Mol Plan Microbe Interact. 25(1):119-128

Carey AM, Norton GJ, Deacon C, Scheckel KG, Lombi E, Punshon T, Guerinot ML, Lanzirotti A, Newville M, Choi Y, Price AH, and Meharg AA. (2011). Phloem transport of arsenic species from flag leaf to grain during grain filling. New Phytologist. 192(1):87-89.

Chao DY, Gable K, Chen M, Baxter IR, Dietrich CR, Cahoon EB, Guerinot ML, Lahner B, Lü S, Markham JE, Morrissey J, Han G, Gupta SD, Harmon JM, Jaworski JG, Dunn TM, and Salt DE. (2011) Sphingolipids in the root play an important role in regulating the leaf ionome in Arabidopsis thaliana. Plant Cell. 23(3):1061-1081.

Guerinot ML. (2010). Iron in Cell Biology of Metals and Nutrients. In Hell, R. and Mendel, R. (Eds) Plant Cell Monographs 17: p75-94.

Lee S, Jeong HJ, Kim SA, Lee S, Guerinot ML, and An G. (2010). OsZIP5 is a plasma membrane zinc transporter in rice. Plant Molecular Biology 73: 507-517.

Buescher E, Achberger T, Amusan I, Giannini A, Ochsenfeld C, Rus A, Lahner B, Hoekenga O, Yakubova E, Harper JF, Guerinot ML, Chang M, Salt DE and Baxter IR. (2010). Natural genetic variation in selected populations of Arabidopsis thaliana is associated with ionomic differences. PLoS One: 5(6): e11081.

Lee S, Kim SA, Lee J, Guerinot ML, and An G. (2010). Zinc deficiency inducible OsZIP8 encodes a plasma membrane-localized zinc transporter. Mol Cells. 29: 551-558.

Morrissey J, Baxter IR, Lee J, Li L, Lahner B, Grotz N, Kaplan J, Salt DE, and Guerinot ML. (2009). The ferroportin metal efflux proteins function in iron and cobalt homeostasis in Arabidopsis. The Plant Cell. Vol 21: 3326-3338.

Lee S, Chiecko JC, Kim SA, Walker EL, Lee Y, Guerinot ML, and An G. (2009). Disruption of OsYSL15 leads to iron inefficiency in rice plants. Plant Physiology. 150:786-800.

Jeong J and Guerinot ML. (2009). Homing in on iron homeostasis. Trends Plant Sci.  14:280-285.

Palmer C. and Guerinot ML. (2009). Facing the challenges of Cu, Fe and Zn homeostasis in plants. Nature Chem. Biol. 5:333-340.

Guerinot ML, Baxter I, and Salt DE. (2009). From the ionome to the genome: Identifying gene networks that control the mineral content of plants. In Plant Systems Biology. G. Coruzzi and R. Gutierrez (eds.), Wiley-Blackwell.  Annual Plant Reviews 35: 290-303.

Ravet K, Touraine B, Kim SA, Cellier F, Thomine S, Guerinot ML, Briat J-F,
and Gaymard F. (2009). Post-translational regulation of AtFER2 ferritin in
response to intracellular iron trafficking during fruit development in Arabidopsis. Mol Plant. 2(5):1095-106.

Morrissey, J. and Guerinot, ML. (2009). Trace elements: too little or too much and how plants cope. F1000 Biology Reports 2009, 1:14.

Punshon T, Guerinot ML, and Lanzirotti A. (2009). Botanical Briefing: Using synchrotron x-ray fluorescence microprobes in the study of metal homeostasis in plants.  Annals of Botany 103: 665-672.

Baxter IR, Vitek O, Lahner B, Muthukumar B, Borghi M, Morrissey J, Guerinot ML, and Salt DE. (2008). The leaf ionome as a multivariable system to detect a plant’s physiological status. Proc Natl Acad Sci U S A. 105(33):12081-6.

Jeong J, Cohu C, Kerkeb L, Pilon M, Connolly EL, and Guerinot ML. (2008). Chloroplast Fe(III) chelate reductase activity is essential for seedling viability under iron limiting conditions. Proc Natl Acad Sci U S A. 105 (30):10619-24.

Jeong J and Guerinot ML. (2008). Biofortified and bioavailable: The gold standard for plant-based diets.  Proc Natl Acad Sci U S A. 105 (6):1777-1778.

Baxter I, Muthukumar B, Park HC, Buchner P, Lahner B, Danku J, Zhao K, Lee J, Hawkesford M, Guerinot ML, and Salt DS.  Variation in Molybdenum Content Across Broadly Distributed Populations of Arabidopsis thaliana is Controlled by a Mitochondrial Molybdenum Transporter (MOT1). (2008). PLoS Genet. 4 (2): e1000004.

Kim SA and Guerinot ML. (2007).  Mining iron: iron uptake and transport in plants. FEBS Lett. 581(12):2273-80.

Bauer P, Ling HQ, and Guerinot ML. (2007). FIT, the FER-LIKE IRON DEFICIENCY INDUCED TRANSCRIPTION FACTOR in Arabidopsis. Plant Physiol Biochem. 45(5):260-1.

Guerinot ML. (2007). It’s elementary: enhancing Fe3+ reduction improves rice yields.
Proc Natl Acad Sci U S A. 104(18):7311-2.

Kim SA, Punshon T, Lanzirotti A, Li L, Alonso JM, Ecker JR, Kaplan J, and Guerinot ML. (2006). Localization of iron in Arabidopsis seed requires the vacuolar membrane transporter VIT1. Science. 314(5803):1295-8.

Grossoehme NE, Akilesh S, Guerinot ML, and Wilcox DE. (2006). Metal-Binding Thermodynamics of the Histidine-Rich Sequence from the Metal-Transport Protein IRT1 of Arabidopsis thaliana. Inorg Chem. 45(21):8812.

Grotz N and Guerinot ML. (2006). Molecular aspects of Cu, Fe and Zn homeostasis in plants. Biochim Biophys Acta. 1763(7):595-608.

Colangelo EP and Guerinot ML. (2006). Put the metal to the petal: metal uptake and transport throughout plants. Curr Opin Plant Biol. 9(3):322-30.

Eide DJ, Clark S, Nair TM, Gehl M, Gribskov M, Guerinot ML, and Harper JF. (2005). Characterization of the yeast ionome: a genome-wide analysis of nutrient mineral and trace element homeostasis in Saccharomyces cerevisiae.  Genome Biol. 6(9):R77.

Benson HP, Boncompagni E, and Guerinot ML. (2005). An iron uptake operon required for proper nodule development in the Bradyrhizobium japonicum-soybean symbiosis. Mol Plant Microbe Interact. 18(9):950-9.

Colangelo EP and Guerinot ML. (2004). The essential basic helix-loop-helix protein FIT1 is required for the iron deficiency response. Plant Cell. 16(12):3400-12.

Desai SG, Guerinot ML, and Lynd LR. (2004). Cloning of L-lactate dehydrogenase and elimination of lactic acid production via gene knockout in Thermoanaerobacterium saccharolyticum JW/SL-YS485. Appl Microbiol Biotechnol. 65(5):600-5.

Benson HP, LeVier K, and Guerinot ML. (2004). A dominant-negative fur mutation in Bradyrhizobium japonicum. J Bacteriol. 186(5):1409-14.

Connolly EL, Campbell NH, Grotz N, Prichard CL, and Guerinot ML. (2003). Overexpression of the FRO2 ferric chelate reductase confers tolerance to growth on low iron and uncovers posttranscriptional control. Plant Physiol.133(3):1102-10.

Lahner B, Gong J, Mahmoudian M, Smith EL, Abid KB, Rogers EE, Guerinot ML, Harper JF, Ward JM, McIntyre L, Schroeder JI, and Salt DE. (2003). Genomic scale profiling of nutrient and trace elements in Arabidopsis thaliana. Nat Biotechnol. 21(10):1215-21.

Smith A and Guerinot ML. (2003). Primary metabolism and nutrient assimilation: achieving a balanced diet. Curr Opin Plant Biol.6(3):205-7.

Rogers EE and Guerinot ML. (2002). FRD3, a member of the multidrug and toxin efflux family, controls iron deficiency responses in Arabidopsis. Plant Cell. 14(8):1787-99.

Connolly EL, Fett JP, and Guerinot ML. (2002). Expression of the IRT1 metal transporter is controlled by metals at the levels of transcript and protein accumulation. Plant Cell. 14(6):1347-57.

Vert G, Grotz N, Dedaldechamp F, Gaymard F, Guerinot ML, Briat JF, and Curie C. (2002). IRT1, an Arabidopsis transporter essential for iron uptake from the soil and for plant growth. Plant Cell. 14(6):1223-33.

Grotz N and Guerinot ML. (2002). Limiting nutrients: an old problem with new solutions?  Curr Opin Plant Biol. 5(2):158-63. Review.

Moreau S, Thomson RM, Kaiser BN, Trevaskis B, Guerinot ML, Udvardi MK, Puppo A, and Day DA. (2002). GmZIP1 encodes a symbiosis-specific zinc transporter in soybean.  J Biol Chem. 277(7):4738-46. Epub 2001 Nov 12.

Ozkan M, Desai SG, Zhang Y, Stevenson DM, Beane J, White EA, Guerinot ML, and Lynd LR. (2001). Characterization of 13 newly isolated strains of anaerobic, cellulolytic, thermophilic bacteria. J Ind Microbiol Biotechnol. 27(5):275-80.

Maser P, Thomine S, Schroeder JI, Ward JM, Hirschi K, Sze H, Talke IN, Amtmann A, Maathuis FJ, Sanders D, Harper JF, Tchieu J, Gribskov M, Persans MW, Salt DE, Kim SA, and Guerinot ML. (2001). Phylogenetic relationships within cation transporter families of Arabidopsis. Plant Physiol. 126(4):1646-67.

Guerinot ML. (2001). Improving rice yields–ironing out the details.  Nat Biotechnol. 19(5):417-8.

Guerinot ML and Salt DE. (2001). Fortified foods and phytoremediation. Two sides of the same coin.  Plant Physiol. 125(1):164-7. Review.

Rogers EE, Eide DJ, and Guerinot ML. (2000). Altered selectivity in an Arabidopsis metal transporter. Proc Natl Acad Sci U S A. 97(22):12356-60.

Guerinot ML. (2000). To improve nutrition for the world’s population.  Science. 288(5473):1966-7.

Chory J, Ecker JR, Briggs S, Caboche M, Coruzzi GM, Cook D, Dangl J, Grant S, Guerinot ML, Henikoff S, Martienssen R, Okada K, Raikhel NV, Somerville CR, and Weigel D. (2000). National Science Foundation-Sponsored Workshop Report: “The 2010 Project” functional genomics and the virtual plant. A blueprint for understanding how plants are built and how to improve them. Plant Physiol. 123(2):423-6.

Guerinot ML. (2000). The ZIP family of metal transporters. Biochem Biophys Acta. 1465(1-2):190-8. Review.

Guerinot ML. (2000). Perspectives: plant biology. The green revolution strikes gold.  Science. (5451):241-3.

Gasser CS and Guerinot ML. (1999). Arabidopsis in Australia: back to the future.  Trends Plant Sci. 4(10):381-382.

Westenberg DJ and Guerinot ML. (1999). Succinate dehydrogenase (Sdh) from Bradyrhizobium japonicum is closely related to mitochondrial Sdh.  J Bacteriol. 181(15):4676-9.

Guerinot ML and Eide D. (1999). Zeroing in on zinc uptake in yeast and plants.  Curr Opin Plant Biol. 2(3):244-9. Review.

Korshunova YO, Eide D, Clark WG, Guerinot ML, and Pakrasi HB. (1999). The IRT1 protein from Arabidopsis thaliana is a metal transporter with a broad substrate range.  Plant Mol Biol. 40(1):37-44.

Robinson NJ, Procter CM, Connolly EL, and Guerinot ML. (1999). A ferric-chelate reductase for iron uptake from soils. Nature. 397(6721):694-7.

Eng BH, Guerinot ML, Eide D, and Saier MH Jr. (1998). Sequence analyses and phylogenetic characterization of the ZIP family of metal ion transport proteins.  J Membr Biol. 166(1):1-7. Review.

Grotz N, Fox T, Connolly E, Park W, Guerinot ML, and Eide D. (1998). Identification of a family of zinc transporter genes from Arabidopsis that respond to zinc deficiency. Proc Natl Acad Sci U S A. 95(12):7220-4.

Fox TC and Guerinot ML. (1998). MOLECULAR BIOLOGY OF CATION TRANSPORT IN PLANTS.  Annu Rev Plant Physiol Plant Mol Biol. 49:669-696.

Fett JP, LeVier K, and Guerinot ML. (1998). Soil microorganisms and iron uptake by higher plants.  Met Ions Biol Syst. 35:187-214. Review.

Westenberg DJ and Guerinot ML. (1997). Regulation of bacterial gene expression by metals.  Adv Genet. 36:187-238. Review.

LeVier K and Guerinot ML. (1997). The Bradyrhizobium japonicum fegA gene encodes an iron-regulated outer membrane protein with similarity to hydroxamate-type siderophore receptors.  J Bacteriol. 1996 Dec;178(24):7265-75. Erratum in: J Bacteriol 179(16):5246.

Yi Y and Guerinot ML. (1996). Genetic evidence that induction of root Fe(III) chelate reductase activity is necessary for iron uptake under iron deficiency. Plant J. 10(5):835-44.

LeVier K, Day DA, and Guerinot ML. (1996). Iron Uptake by Symbiosomes from Soybean Root Nodules.  Plant Physiol. 111(3):893-900. 1996.

Klapatch TR, Guerinot ML, and Lynd LR. (1996). Electrotransformation of Clostridium thermosaccharolyticum. J Ind Microbiol. 16(6):342-7.

Eide D, Broderius M, Fett J, and Guerinot ML. (1996). A novel iron-regulated metal transporter from plants identified by functional expression in yeast. Proc Natl Acad Sci U S A. 93(11):5624-8.

Page KM and Guerinot ML. (1995). Oxygen control of the Bradyrhizobium japonicum hemA gene. J Bacteriol. 177(14):3979-84.

Page KM, Connolly EL, and Guerinot ML. (1994). Effect of iron availability on expression of the Bradyrhizobium japonicum hemA gene.  J Bacteriol. 176(5):1535-8.

Guerinot ML and Yi Y. (1994). Iron: Nutritious, Noxious, and Not Readily Available. Plant Physiol. 104(3):815-820.

Guerinot ML. (1994). Microbial iron transport. Annu Rev Microbiol. 48:743-72. Review.

Yi Y and Guerinot ML. (1994). A new member of the small GTP-binding protein family in Arabidopsis thaliana. Plant Physiol. 104(1):295-6.

Scott-Craig JS, Guerinot ML, and Chelm BK. (1991). Isolation of Bradyrhizobium japonicum DNA sequences that are transcribed at high levels in bacteroids. Mol Gen Genet. 228(3):356-60.

Jacobs JM, Jacobs NJ, Borotz SE, and Guerinot ML. (1990). Effects of the photobleaching herbicide, acifluorfen-methyl, on protoporphyrinogen oxidation in barley organelles, soybean root mitochondria, soybean root nodules, and bacteria. Arch Biochem Biophys. 280(2):369-75.

Guerinot ML, Meidl EJ, and Plessner O. (1990). Citrate as a siderophore in Bradyrhizobium japonicum. J Bacteriol. 172(6):3298-303.

Jacobs NJ, Borotz SE, and Guerinot ML. (1989). Protoporphyrinogen oxidation, a step in heme synthesis in soybean root nodules and free-living rhizobia. J Bacteriol. 171(1):573-6.

McClung CR, Somerville JE, Guerinot ML, and Chelm BK. (1987) Structure of the Bradyrhizobium japonicum gene hemA encoding 5-aminolevulinic acid synthase. Gene. 54(1):133-9.

Carlson TA, Guerinot ML, and Chelm BK. (1985). Characterization of the gene encoding glutamine synthetase I (glnA) from Bradyrhizobium japonicum. J Bacteriol. 162(2):698-703.