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Items: 1 to 50 of 75

1.

Rapid evolution of a bacterial iron acquisition system.

Chatterjee A, O'Brian MR.

Mol Microbiol. 2018 Apr;108(1):90-100. doi: 10.1111/mmi.13918. Epub 2018 Feb 19.

2.

The Irr and RirA Proteins Participate in a Complex Regulatory Circuit and Act in Concert To Modulate Bacterioferritin Expression in Ensifer meliloti 1021.

Costa D, Amarelle V, Valverde C, O'Brian MR, Fabiano E.

Appl Environ Microbiol. 2017 Aug 1;83(16). pii: e00895-17. doi: 10.1128/AEM.00895-17. Print 2017 Aug 15.

3.

Prokaryotic Heme Biosynthesis: Multiple Pathways to a Common Essential Product.

Dailey HA, Dailey TA, Gerdes S, Jahn D, Jahn M, O'Brian MR, Warren MJ.

Microbiol Mol Biol Rev. 2017 Jan 25;81(1). pii: e00048-16. doi: 10.1128/MMBR.00048-16. Print 2017 Mar. Review.

4.

Redox-Dependent Dynamics in Heme-Bound Bacterial Iron Response Regulator (Irr) Protein.

Kobayashi K, Nakagaki M, Ishikawa H, Iwai K, O'Brian MR, Ishimori K.

Biochemistry. 2016 Jul 26;55(29):4047-54. doi: 10.1021/acs.biochem.6b00512. Epub 2016 Jul 13.

PMID:
27379473
5.

The Bradyrhizobium japonicum Ferrous Iron Transporter FeoAB Is Required for Ferric Iron Utilization in Free Living Aerobic Cells and for Symbiosis.

Sankari S, O'Brian MR.

J Biol Chem. 2016 Jul 22;291(30):15653-62. doi: 10.1074/jbc.M116.734129. Epub 2016 Jun 10.

6.
7.
8.

HmuS and HmuQ of Ensifer/Sinorhizobium meliloti degrade heme in vitro and participate in heme metabolism in vivo.

Amarelle V, Rosconi F, Lázaro-Martínez JM, Buldain G, Noya F, O'Brian MR, Fabiano E.

Biometals. 2016 Apr;29(2):333-47. doi: 10.1007/s10534-016-9919-3. Epub 2016 Feb 23.

PMID:
26906560
9.

Protein oxidation mediated by heme-induced active site conversion specific for heme-regulated transcription factor, iron response regulator.

Kitatsuji C, Izumi K, Nambu S, Kurogochi M, Uchida T, Nishimura S, Iwai K, O'Brian MR, Ikeda-Saito M, Ishimori K.

Sci Rep. 2016 Jan 5;6:18703. doi: 10.1038/srep18703.

10.

Perception and Homeostatic Control of Iron in the Rhizobia and Related Bacteria.

O'Brian MR.

Annu Rev Microbiol. 2015;69:229-45. doi: 10.1146/annurev-micro-091014-104432. Epub 2015 Jul 16. Review.

PMID:
26195304
11.

Magnesium-dependent processes are targets of bacterial manganese toxicity.

Hohle TH, O'Brian MR.

Mol Microbiol. 2014 Aug;93(4):736-47. doi: 10.1111/mmi.12687. Epub 2014 Jul 13.

12.

A bacterial iron exporter for maintenance of iron homeostasis.

Sankari S, O'Brian MR.

J Biol Chem. 2014 Jun 6;289(23):16498-507. doi: 10.1074/jbc.M114.571562. Epub 2014 Apr 29.

14.

HmuP is a coactivator of Irr-dependent expression of heme utilization genes in Bradyrhizobium japonicum.

Escamilla-Hernandez R, O'Brian MR.

J Bacteriol. 2012 Jun;194(12):3137-43. doi: 10.1128/JB.00071-12. Epub 2012 Apr 13.

15.

Manganese is required for oxidative metabolism in unstressed Bradyrhizobium japonicum cells.

Hohle TH, O'Brian MR.

Mol Microbiol. 2012 May;84(4):766-77. doi: 10.1111/j.1365-2958.2012.08057.x. Epub 2012 Apr 23.

16.

Bacterial outer membrane channel for divalent metal ion acquisition.

Hohle TH, Franck WL, Stacey G, O'Brian MR.

Proc Natl Acad Sci U S A. 2011 Sep 13;108(37):15390-5. doi: 10.1073/pnas.1110137108. Epub 2011 Aug 31.

17.

The Bradyrhizobium japonicum frcB gene encodes a diheme ferric reductase.

Small SK, O'Brian MR.

J Bacteriol. 2011 Aug;193(16):4088-94. doi: 10.1128/JB.05064-11. Epub 2011 Jun 24.

18.

Unusual heme binding in the bacterial iron response regulator protein: spectral characterization of heme binding to the heme regulatory motif.

Ishikawa H, Nakagaki M, Bamba A, Uchida T, Hori H, O'Brian MR, Iwai K, Ishimori K.

Biochemistry. 2011 Feb 15;50(6):1016-22. doi: 10.1021/bi101895r. Epub 2011 Jan 20.

19.

Transcriptional control of the Bradyrhizobium japonicum irr gene requires repression by fur and Antirepression by Irr.

Hohle TH, O'Brian MR.

J Biol Chem. 2010 Aug 20;285(34):26074-80. doi: 10.1074/jbc.M110.145979. Epub 2010 Jun 23.

20.

Control of bacterial iron homeostasis by manganese.

Puri S, Hohle TH, O'Brian MR.

Proc Natl Acad Sci U S A. 2010 Jun 8;107(23):10691-5. doi: 10.1073/pnas.1002342107. Epub 2010 May 24.

21.

A new small regulatory protein, HmuP, modulates haemin acquisition in Sinorhizobium meliloti.

Amarelle V, Koziol U, Rosconi F, Noya F, O'Brian MR, Fabiano E.

Microbiology. 2010 Jun;156(Pt 6):1873-82. doi: 10.1099/mic.0.037713-0. Epub 2010 Feb 18.

22.

Legume focus: model species sequenced, mutagenesis approaches extended, and debut of a new model.

O'Brian MR, Vance CP, Vandenbosch KA.

Plant Physiol. 2009 Nov;151(3):969. doi: 10.1104/pp.109.900305. No abstract available.

23.

The mntH gene encodes the major Mn(2+) transporter in Bradyrhizobium japonicum and is regulated by manganese via the Fur protein.

Hohle TH, O'Brian MR.

Mol Microbiol. 2009 Apr;72(2):399-409. doi: 10.1111/j.1365-2958.2009.06650.x. Epub 2009 Mar 4.

24.

Positive control of ferric siderophore receptor gene expression by the Irr protein in Bradyrhizobium japonicum.

Small SK, Puri S, Sangwan I, O'Brian MR.

J Bacteriol. 2009 Mar;191(5):1361-8. doi: 10.1128/JB.01571-08. Epub 2008 Dec 29.

25.

Heme-dependent metalloregulation by the iron response regulator (Irr) protein in Rhizobium and other Alpha-proteobacteria.

Small SK, Puri S, O'Brian MR.

Biometals. 2009 Feb;22(1):89-97. doi: 10.1007/s10534-008-9192-1. Epub 2008 Dec 18.

26.

ShmR is essential for utilization of heme as a nutritional iron source in Sinorhizobium meliloti.

Amarelle V, O'Brian MR, Fabiano E.

Appl Environ Microbiol. 2008 Oct;74(20):6473-5. doi: 10.1128/AEM.01590-08. Epub 2008 Aug 29.

27.

The Bradyrhizobium japonicum Irr protein is a transcriptional repressor with high-affinity DNA-binding activity.

Sangwan I, Small SK, O'Brian MR.

J Bacteriol. 2008 Aug;190(15):5172-7. doi: 10.1128/JB.00495-08. Epub 2008 Jun 6.

28.
29.

Legume biology: sequence to seeds.

O'Brian MR, Vance CP.

Plant Physiol. 2007 Jun;144(2):537. No abstract available.

30.

The Bradyrhizobium japonicum Fur protein is an iron-responsive regulator in vivo.

Yang J, Sangwan I, O'brian MR.

Mol Genet Genomics. 2006 Dec;276(6):555-64. Epub 2006 Oct 13.

PMID:
17039378
31.
32.

Bradyrhizobium japonicum senses iron through the status of haem to regulate iron homeostasis and metabolism.

Yang J, Sangwan I, Lindemann A, Hauser F, Hennecke H, Fischer HM, O'Brian MR.

Mol Microbiol. 2006 Apr;60(2):427-37.

33.
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35.

Two heme binding sites are involved in the regulated degradation of the bacterial iron response regulator (Irr) protein.

Yang J, Ishimori K, O'Brian MR.

J Biol Chem. 2005 Mar 4;280(9):7671-6. Epub 2004 Dec 21.

36.
37.

Fur is involved in manganese-dependent regulation of mntA (sitA) expression in Sinorhizobium meliloti.

Platero R, Peixoto L, O'Brian MR, Fabiano E.

Appl Environ Microbiol. 2004 Jul;70(7):4349-55.

38.
39.

A novel DNA-binding site for the ferric uptake regulator (Fur) protein from Bradyrhizobium japonicum.

Friedman YE, O'Brian MR.

J Biol Chem. 2003 Oct 3;278(40):38395-401. Epub 2003 Jul 23.

40.
41.

A whole genome view of prokaryotic haem biosynthesis.

Panek H, O'Brian MR.

Microbiology. 2002 Aug;148(Pt 8):2273-82. Review. No abstract available.

PMID:
12177321
42.

Biochemistry, regulation and genomics of haem biosynthesis in prokaryotes.

O'Brian MR, Thöny-Meyer L.

Adv Microb Physiol. 2002;46:257-318. Review.

PMID:
12073655
44.
45.

The Bradyrhizobium japonicum proline biosynthesis gene proC is essential for symbiosis.

King ND, Hojnacki D, O'Brian MR.

Appl Environ Microbiol. 2000 Dec;66(12):5469-71.

46.

Fur-independent regulation of iron metabolism by Irr in Bradyrhizobium japonicum.

Hamza I, Qi Z, King ND, O'Brian MR.

Microbiology. 2000 Mar;146 ( Pt 3):669-76.

PMID:
10746770
47.
48.

Identification of a functional fur gene in Bradyrhizobium japonicum.

Hamza I, Hassett R, O'Brian MR.

J Bacteriol. 1999 Sep;181(18):5843-6.

50.

The bacterial irr protein is required for coordination of heme biosynthesis with iron availability.

Hamza I, Chauhan S, Hassett R, O'Brian MR.

J Biol Chem. 1998 Aug 21;273(34):21669-74.

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