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Cross Talk between SigB and PrfA in Listeria monocytogenes Facilitates Transitions between Extra- and Intracellular Environments.

Gaballa A, Guariglia-Oropeza V, Wiedmann M, Boor KJ.

Microbiol Mol Biol Rev. 2019 Sep 4;83(4). pii: e00034-19. doi: 10.1128/MMBR.00034-19. Print 2019 Nov 20. Review.


Systematic review of the Listeria monocytogenes σB regulon supports a role in stress response, virulence and metabolism.

Liu Y, Orsi RH, Gaballa A, Wiedmann M, Boor KJ, Guariglia-Oropeza V.

Future Microbiol. 2019 Jun;14:801-828. doi: 10.2217/fmb-2019-0072. Epub 2019 Jul 4.


Bacillus subtilis FolE is sustained by the ZagA zinc metallochaperone and the alarmone ZTP under conditions of zinc deficiency.

Chandrangsu P, Huang X, Gaballa A, Helmann JD.

Mol Microbiol. 2019 Sep;112(3):751-765. doi: 10.1111/mmi.14314. Epub 2019 Jun 11.


Identification of Novel Mobilized Colistin Resistance Gene mcr-9 in a Multidrug-Resistant, Colistin-Susceptible Salmonella enterica Serotype Typhimurium Isolate.

Carroll LM, Gaballa A, Guldimann C, Sullivan G, Henderson LO, Wiedmann M.

MBio. 2019 May 7;10(3). pii: e00853-19. doi: 10.1128/mBio.00853-19.


T-cell frequencies of CD8+ γδ and CD27+ γδ cells in the stem cell graft predict the outcome after allogeneic hematopoietic cell transplantation.

Gaballa A, Stikvoort A, Önfelt B, Mattsson J, Sundin M, Watz E, Uhlin M.

Bone Marrow Transplant. 2019 Feb 5. doi: 10.1038/s41409-019-0462-z. [Epub ahead of print]


Effect of Graft-versus-Host Disease Prophylaxis Regimens on T and B Cell Reconstitution after Allogeneic Hematopoietic Stem Cell Transplantation.

Törlén J, Gaballa A, Remberger M, Mörk LM, Sundberg B, Mattsson J, Uhlin M.

Biol Blood Marrow Transplant. 2019 Jun;25(6):1260-1268. doi: 10.1016/j.bbmt.2019.01.029. Epub 2019 Jan 30.


The predictive value of aVR in determining the infarct related artery during primary percutaneous coronary intervention.

Gaballa A, Farid W, Al-Kersh A, Rajan R, Al Jarallah M.

J Electrocardiol. 2019 Jan - Feb;52:59-62. doi: 10.1016/j.jelectrocard.2018.10.094. Epub 2018 Oct 30.


Media evaluation for production and expansion of anti-CD19 chimeric antigen receptor T cells.

Alnabhan R, Gaballa A, Mörk LM, Mattsson J, Uhlin M, Magalhaes I.

Cytotherapy. 2018 Jul;20(7):941-951. doi: 10.1016/j.jcyt.2018.04.007. Epub 2018 May 30.


Expansion of Gammadelta T Cells from Cord Blood: A Therapeutical Possibility.

Berglund S, Gaballa A, Sawaisorn P, Sundberg B, Uhlin M.

Stem Cells Int. 2018 Mar 7;2018:8529104. doi: 10.1155/2018/8529104. eCollection 2018.


Risk Factors for Severe Acute Graft-versus-Host Disease in Donor Graft Composition.

Stikvoort A, Gaballa A, Solders M, Nederlof I, Önfelt B, Sundberg B, Remberger M, Sundin M, Mattsson J, Uhlin M.

Biol Blood Marrow Transplant. 2018 Mar;24(3):467-477. doi: 10.1016/j.bbmt.2017.11.026. Epub 2017 Nov 29.


Modulation of extracytoplasmic function (ECF) sigma factor promoter selectivity by spacer region sequence.

Gaballa A, Guariglia-Oropeza V, Dürr F, Butcher BG, Chen AY, Chandrangsu P, Helmann JD.

Nucleic Acids Res. 2018 Jan 9;46(1):134-145. doi: 10.1093/nar/gkx953.


Assessment of TREC, KREC and telomere length in long-term survivors after allogeneic HSCT: the role of GvHD and graft source and evidence for telomere homeostasis in young recipients.

Gaballa A, Norberg A, Stikvoort A, Mattsson J, Sundberg B, Uzunel M, Remberger M, Uhlin M.

Bone Marrow Transplant. 2018 Jan;53(1):69-77. doi: 10.1038/bmt.2017.216. Epub 2017 Oct 9.


Late presenting atypical severe combined immunodeficiency (SCID) associated with a novel missense mutation in DCLRE1C.

Sundin M, Uhlin M, Gaballa A, Ramme K, Kolios AG, Marits P, Nilsson J.

Pediatr Allergy Immunol. 2018 Feb;29(1):108-111. doi: 10.1111/pai.12812. Epub 2017 Dec 12. No abstract available.


Serious Adverse Events with Sofosbuvir Combined with Interferon and Ribavirin: Real-Life Egyptian Experience.

Elbaz T, Elserafy M, Elakel W, Mohey MA, Abdo M, Hassany M, Mehrez M, Abouelkhair M, Yosry A, Omar A, Waked I, Elsayed MH, Mahran Z, Elshazly Y, Elgarem N, Gaballa A, Doss W, Esmat G.

J Interferon Cytokine Res. 2017 Aug;37(8):348-353. doi: 10.1089/jir.2016.0131.


Advances in umbilical cord blood cell therapy: the present and the future.

Berglund S, Magalhaes I, Gaballa A, Vanherberghen B, Uhlin M.

Expert Opin Biol Ther. 2017 Jun;17(6):691-699. doi: 10.1080/14712598.2017.1316713. Epub 2017 Apr 13. Review.


Lack of formylated methionyl-tRNA has pleiotropic effects on Bacillus subtilis.

Cai Y, Chandrangsu P, Gaballa A, Helmann JD.

Microbiology. 2017 Feb;163(2):185-196. doi: 10.1099/mic.0.000413. Epub 2017 Mar 9.


T Cell Receptor Excision Circle (TREC) Monitoring after Allogeneic Stem Cell Transplantation; a Predictive Marker for Complications and Clinical Outcome.

Gaballa A, Sundin M, Stikvoort A, Abumaree M, Uzunel M, Sairafi D, Uhlin M.

Int J Mol Sci. 2016 Oct 11;17(10). pii: E1705. Review.


Metalloregulator CueR biases RNA polymerase's kinetic sampling of dead-end or open complex to repress or activate transcription.

Martell DJ, Joshi CP, Gaballa A, Santiago AG, Chen TY, Jung W, Helmann JD, Chen P.

Proc Natl Acad Sci U S A. 2015 Nov 3;112(44):13467-72. doi: 10.1073/pnas.1515231112. Epub 2015 Oct 19.


PfeT, a P1B4 -type ATPase, effluxes ferrous iron and protects Bacillus subtilis against iron intoxication.

Guan G, Pinochet-Barros A, Gaballa A, Patel SJ, Argüello JM, Helmann JD.

Mol Microbiol. 2015 Nov;98(4):787-803. doi: 10.1111/mmi.13158. Epub 2015 Sep 10.


Preparation, spectroscopic and antibacterial studies on charge-transfer complexes of 2-hydroxypyridine with picric acid and 7,7',8,8'-tetracyano-p-quinodimethane.

Gaballa AS, Amin AS.

Spectrochim Acta A Mol Biomol Spectrosc. 2015 Jun 15;145:302-312. doi: 10.1016/j.saa.2015.03.005. Epub 2015 Mar 10.


Mn(2+)-sensing mechanisms of yybP-ykoY orphan riboswitches.

Price IR, Gaballa A, Ding F, Helmann JD, Ke A.

Mol Cell. 2015 Mar 19;57(6):1110-1123. doi: 10.1016/j.molcel.2015.02.016.


Bacillithiol is a major buffer of the labile zinc pool in Bacillus subtilis.

Ma Z, Chandrangsu P, Helmann TC, Romsang A, Gaballa A, Helmann JD.

Mol Microbiol. 2014 Nov;94(4):756-70. doi: 10.1111/mmi.12794. Epub 2014 Oct 7.


Peptidoglycan recognition proteins kill bacteria by inducing oxidative, thiol, and metal stress.

Kashyap DR, Rompca A, Gaballa A, Helmann JD, Chan J, Chang CJ, Hozo I, Gupta D, Dziarski R.

PLoS Pathog. 2014 Jul 17;10(7):e1004280. doi: 10.1371/journal.ppat.1004280. eCollection 2014 Jul.


Redox regulation in Bacillus subtilis: The bacilliredoxins BrxA(YphP) and BrxB(YqiW) function in de-bacillithiolation of S-bacillithiolated OhrR and MetE.

Gaballa A, Chi BK, Roberts AA, Becher D, Hamilton CJ, Antelmann H, Helmann JD.

Antioxid Redox Signal. 2014 Jul 20;21(3):357-67. doi: 10.1089/ars.2013.5327. Epub 2014 Mar 13.


Regulation of Bacillus subtilis bacillithiol biosynthesis operons by Spx.

Gaballa A, Antelmann H, Hamilton CJ, Helmann JD.

Microbiology. 2013 Oct;159(Pt 10):2025-35. doi: 10.1099/mic.0.070482-0. Epub 2013 Jul 26.


Fluoro-phenyl-styrene-sulfonamide, a novel inhibitor of σB activity, prevents the activation of σB by environmental and energy stresses in Bacillus subtilis.

Ringus DL, Gaballa A, Helmann JD, Wiedmann M, Boor KJ.

J Bacteriol. 2013 Jun;195(11):2509-17. doi: 10.1128/JB.00107-13. Epub 2013 Mar 22.


Direct substitution and assisted dissociation pathways for turning off transcription by a MerR-family metalloregulator.

Joshi CP, Panda D, Martell DJ, Andoy NM, Chen TY, Gaballa A, Helmann JD, Chen P.

Proc Natl Acad Sci U S A. 2012 Sep 18;109(38):15121-6. Epub 2012 Sep 4.


The FsrA sRNA and FbpB protein mediate the iron-dependent induction of the Bacillus subtilis lutABC iron-sulfur-containing oxidases.

Smaldone GT, Antelmann H, Gaballa A, Helmann JD.

J Bacteriol. 2012 May;194(10):2586-93. doi: 10.1128/JB.05567-11. Epub 2012 Mar 16.


A global investigation of the Bacillus subtilis iron-sparing response identifies major changes in metabolism.

Smaldone GT, Revelles O, Gaballa A, Sauer U, Antelmann H, Helmann JD.

J Bacteriol. 2012 May;194(10):2594-605. doi: 10.1128/JB.05990-11. Epub 2012 Mar 2.


Transcription activation by the siderophore sensor Btr is mediated by ligand-dependent stimulation of promoter clearance.

Gaballa A, MacLellan S, Helmann JD.

Nucleic Acids Res. 2012 Apr;40(8):3585-95. doi: 10.1093/nar/gkr1280. Epub 2011 Dec 30.


Bacillus subtilis Fur represses one of two paralogous haem-degrading monooxygenases.

Gaballa A, Helmann JD.

Microbiology. 2011 Nov;157(Pt 11):3221-31. doi: 10.1099/mic.0.053579-0. Epub 2011 Aug 26.


Characterization of the Fur regulon in Pseudomonas syringae pv. tomato DC3000.

Butcher BG, Bronstein PA, Myers CR, Stodghill PV, Bolton JJ, Markel EJ, Filiatrault MJ, Swingle B, Gaballa A, Helmann JD, Schneider DJ, Cartinhour SW.

J Bacteriol. 2011 Sep;193(18):4598-611. doi: 10.1128/JB.00340-11. Epub 2011 Jul 22.


Reduction in membrane phosphatidylglycerol content leads to daptomycin resistance in Bacillus subtilis.

Hachmann AB, Sevim E, Gaballa A, Popham DL, Antelmann H, Helmann JD.

Antimicrob Agents Chemother. 2011 Sep;55(9):4326-37. doi: 10.1128/AAC.01819-10. Epub 2011 Jun 27.


DNA-binding properties of the Bacillus subtilis and Aeribacillus pallidus AC6 σ(D) proteins.

Sevim E, Gaballa A, Beldüz AO, Helmann JD.

J Bacteriol. 2011 Jan;193(2):575-9. doi: 10.1128/JB.01193-10. Epub 2010 Nov 19.


Biosynthesis and functions of bacillithiol, a major low-molecular-weight thiol in Bacilli.

Gaballa A, Newton GL, Antelmann H, Parsonage D, Upton H, Rawat M, Claiborne A, Fahey RC, Helmann JD.

Proc Natl Acad Sci U S A. 2010 Apr 6;107(14):6482-6. doi: 10.1073/pnas.1000928107. Epub 2010 Mar 22.


A two-subunit bacterial sigma-factor activates transcription in Bacillus subtilis.

MacLellan SR, Guariglia-Oropeza V, Gaballa A, Helmann JD.

Proc Natl Acad Sci U S A. 2009 Dec 15;106(50):21323-8. doi: 10.1073/pnas.0910006106. Epub 2009 Nov 25.


Synthesis, characterization and antimicrobial studies on cis-platinum(II) complexes of 5-nitrosouracil derivatives.

Gaballa AS.

Spectrochim Acta A Mol Biomol Spectrosc. 2010 Jan;75(1):146-51. doi: 10.1016/j.saa.2009.09.061. Epub 2009 Oct 6.


Direct stimulus perception and transcription activation by a membrane-bound DNA binding protein.

Gebhard S, Gaballa A, Helmann JD, Cook GM.

Mol Microbiol. 2009 Aug;73(3):482-91. doi: 10.1111/j.1365-2958.2009.06787.x. Epub 2009 Jul 7.


The Bacillus subtilis iron-sparing response is mediated by a Fur-regulated small RNA and three small, basic proteins.

Gaballa A, Antelmann H, Aguilar C, Khakh SK, Song KB, Smaldone GT, Helmann JD.

Proc Natl Acad Sci U S A. 2008 Aug 19;105(33):11927-32. doi: 10.1073/pnas.0711752105. Epub 2008 Aug 12.


Regulation of the Bacillus subtilis yciC gene and insights into the DNA-binding specificity of the zinc-sensing metalloregulator Zur.

Gabriel SE, Miyagi F, Gaballa A, Helmann JD.

J Bacteriol. 2008 May;190(10):3482-8. doi: 10.1128/JB.01978-07. Epub 2008 Mar 14.


Saccharinato complexes of Ce(V) with 2-hydroxypyridine: synthesis, spectroscopic and thermal characteristics of [Ce(sac)2(SO4)(H2O)4] and [Ce(sac)2(SO4)(PyOH)2].

Gaballa AS, Teleb SM, Müller T.

Spectrochim Acta A Mol Biomol Spectrosc. 2008 Oct;70(5):1187-92. Epub 2007 Nov 9.


Synthesis, characterization and biological activity of some platinum(II) complexes with Schiff bases derived from salicylaldehyde, 2-furaldehyde and phenylenediamine.

Gaballa AS, Asker MS, Barakat AS, Teleb SM.

Spectrochim Acta A Mol Biomol Spectrosc. 2007 May;67(1):114-21. Epub 2006 Jul 1.


Vibrational and thermal studies of the complexes (NH4)[VO(O2)2(phen)].2H2O and (NH4)[V(O2)3(phen)].2H2O.

Barakat AS, Gaballa AS, Mohammed SF, Teleb SM.

Spectrochim Acta A Mol Biomol Spectrosc. 2005 Dec;62(4-5):814-8.


Preparation and spectroscopic studies on charge-transfer complexes of 2,2'-bipyridine with picric and chloranilic acids.

Teleb SM, Gaballa AS.

Spectrochim Acta A Mol Biomol Spectrosc. 2005 Nov;62(1-3):140-5. Epub 2005 Jan 19.


Spectroscopic studies on [(DD18C6H2)(HPA)2](PA)2 and [(DD18C6H2)(DDQ)2](DDQH)2 formed in the reaction of N,N'-dibenzyl-1,4,10,13-tetraoxa-7,16-diazacyclooctadecane with HPA and DDQ.

Teleb SM, Gaballa AS, Elmosallamy MA, Nour el-M.

Spectrochim Acta A Mol Biomol Spectrosc. 2005 Sep;61(11-12):2708-12.


Genetic and physiological responses of Bacillus subtilis to metal ion stress.

Moore CM, Gaballa A, Hui M, Ye RW, Helmann JD.

Mol Microbiol. 2005 Jul;57(1):27-40.


Protonated nucleobase ligands: synthesis, structure and characterization of 9-methyladeninium hexachloroplatinate and pentachloro(9-methyladeninium)platinum(IV).

Gaballa A, Schmidt H, Hempel G, Reichert D, Wagner C, Rusanov E, Steinborn D.

J Inorg Biochem. 2004 Mar;98(3):439-46.


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