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Dual-Mode Dark Field and Surface-Enhanced Raman Scattering Liposomes for Lymphoma and Leukemia Cell Imaging.

Ip S, MacLaughlin CM, Joseph M, Mullaithilaga N, Yang G, Wang C, Walker GC.

Langmuir. 2018 Oct 26. doi: 10.1021/acs.langmuir.8b02313. [Epub ahead of print]


Incomplete base excision repair contributes to cell death from antibiotics and other stresses.

Gruber CC, Walker GC.

DNA Repair (Amst). 2018 Aug 25. pii: S1568-7864(18)30179-4. doi: 10.1016/j.dnarep.2018.08.014. [Epub ahead of print]


Rev7 dimerization is important for assembly and function of the Rev1/Polζ translesion synthesis complex.

Rizzo AA, Vassel FM, Chatterjee N, D'Souza S, Li Y, Hao B, Hemann MT, Walker GC, Korzhnev DM.

Proc Natl Acad Sci U S A. 2018 Aug 28;115(35):E8191-E8200. doi: 10.1073/pnas.1801149115. Epub 2018 Aug 15.


Elevated Levels of Era GTPase Improve Growth, 16S rRNA Processing, and 70S Ribosome Assembly of Escherichia coli Lacking Highly Conserved Multifunctional YbeY Endoribonuclease.

Ghosal A, Babu VMP, Walker GC.

J Bacteriol. 2018 Aug 10;200(17). pii: e00278-18. doi: 10.1128/JB.00278-18. Print 2018 Sep 1.


Robustness encoded across essential and accessory replicons of the ecologically versatile bacterium Sinorhizobium meliloti.

diCenzo GC, Benedict AB, Fondi M, Walker GC, Finan TM, Mengoni A, Griffitts JS.

PLoS Genet. 2018 Apr 19;14(4):e1007357. doi: 10.1371/journal.pgen.1007357. eCollection 2018 Apr.


Important Late-Stage Symbiotic Role of the Sinorhizobium meliloti Exopolysaccharide Succinoglycan.

Arnold MFF, Penterman J, Shabab M, Chen EJ, Walker GC.

J Bacteriol. 2018 Jun 11;200(13). pii: e00665-17. doi: 10.1128/JB.00665-17. Print 2018 Jul 1.


Endoribonuclease YbeY Is Linked to Proper Cellular Morphology and Virulence in Brucella abortus.

Budnick JA, Sheehan LM, Colquhoun JM, Dunman PM, Walker GC, Roop RM 2nd, Caswell CC.

J Bacteriol. 2018 May 24;200(12). pii: e00105-18. doi: 10.1128/JB.00105-18. Print 2018 Jun 15.


Statewide At-Risk Tracking and Intervention for Nurses: Identifying and Intervening With Nursing Students at Risk of Attrition in Texas.

Donnell WM, Walker GC, Miller G.

Nurs Educ Perspect. 2018 May/Jun;39(3):145-150. doi: 10.1097/01.NEP.0000000000000281.


Bright Surface-Enhanced Raman Scattering with Fluorescence Quenching from Silica Encapsulated J-Aggregate Coated Gold Nanoparticles.

Walters CM, Pao C, Gagnon BP, Zamecnik CR, Walker GC.

Adv Mater. 2018 Feb;30(5). doi: 10.1002/adma.201705381. Epub 2017 Dec 20.


Optical hot-spots in boron-nitride nanotubes at mid infrared frequencies: one-dimensional localization due to random-scattering.

Jiang JH, Xu XG, Gilburd L, Walker GC.

Opt Express. 2017 Oct 16;25(21):25059-25070. doi: 10.1364/OE.25.025059.


Inhibition of mutagenic translesion synthesis: A possible strategy for improving chemotherapy?

Yamanaka K, Chatterjee N, Hemann MT, Walker GC.

PLoS Genet. 2017 Aug 17;13(8):e1006842. doi: 10.1371/journal.pgen.1006842. eCollection 2017 Aug. Review. No abstract available.


Lethality of MalE-LacZ hybrid protein shares mechanistic attributes with oxidative component of antibiotic lethality.

Takahashi N, Gruber CC, Yang JH, Liu X, Braff D, Yashaswini CN, Bhubhanil S, Furuta Y, Andreescu S, Collins JJ, Walker GC.

Proc Natl Acad Sci U S A. 2017 Aug 9. pii: 201707466. doi: 10.1073/pnas.1707466114. [Epub ahead of print]


Genome-Wide Sensitivity Analysis of the Microsymbiont Sinorhizobium meliloti to Symbiotically Important, Defensin-Like Host Peptides.

Arnold MFF, Shabab M, Penterman J, Boehme KL, Griffitts JS, Walker GC.

MBio. 2017 Aug 1;8(4). pii: e01060-17. doi: 10.1128/mBio.01060-17.


Homopolymer Nanolithography.

Tebbe M, Galati E, Walker GC, Kumacheva E.

Small. 2017 Oct;13(37). doi: 10.1002/smll.201702043. Epub 2017 Jul 24.


The Effect of Adjacent Materials on the Propagation of Phonon Polaritons in Hexagonal Boron Nitride.

Kim KS, Trajanoski D, Ho K, Gilburd L, Maiti A, van der Velden L, de Beer S, Walker GC.

J Phys Chem Lett. 2017 Jul 6;8(13):2902-2908. doi: 10.1021/acs.jpclett.7b01048. Epub 2017 Jun 14.


Identification of Small Molecule Translesion Synthesis Inhibitors That Target the Rev1-CT/RIR Protein-Protein Interaction.

Sail V, Rizzo AA, Chatterjee N, Dash RC, Ozen Z, Walker GC, Korzhnev DM, Hadden MK.

ACS Chem Biol. 2017 Jul 21;12(7):1903-1912. doi: 10.1021/acschembio.6b01144. Epub 2017 Jun 9.


Mechanisms of DNA damage, repair, and mutagenesis.

Chatterjee N, Walker GC.

Environ Mol Mutagen. 2017 Jun;58(5):235-263. doi: 10.1002/em.22087. Epub 2017 May 9. Review.


Hexagonal Boron Nitride Self-Launches Hyperbolic Phonon Polaritons.

Gilburd L, Kim KS, Ho K, Trajanoski D, Maiti A, Halverson D, de Beer S, Walker GC.

J Phys Chem Lett. 2017 May 18;8(10):2158-2162. doi: 10.1021/acs.jpclett.7b00748. Epub 2017 May 1.


Phospholipid Bilayers: Stability and Encapsulation of Nanoparticles.

Alipour E, Halverson D, McWhirter S, Walker GC.

Annu Rev Phys Chem. 2017 May 5;68:261-283. doi: 10.1146/annurev-physchem-040215-112634. Epub 2017 Mar 15. Review.


C21orf57 is a human homologue of bacterial YbeY proteins.

Ghosal A, Köhrer C, Babu VMP, Yamanaka K, Davies BW, Jacob AI, Ferullo DJ, Gruber CC, Vercruysse M, Walker GC.

Biochem Biophys Res Commun. 2017 Mar 11;484(3):612-617. doi: 10.1016/j.bbrc.2017.01.149. Epub 2017 Jan 30.


Twist and Shout: Single-Molecule Mechanochemistry.

Li H, Walker GC.

ACS Nano. 2017 Jan 24;11(1):28-30. doi: 10.1021/acsnano.6b08562. Epub 2017 Jan 12.


Terahertz frequency-wavelet domain deconvolution for stratigraphic and subsurface investigation of art painting.

Dong J, Bianca Jackson J, Melis M, Giovanacci D, Walker GC, Locquet A, Bowen JW, Citrin DS.

Opt Express. 2016 Nov 14;24(23):26972-26985. doi: 10.1364/OE.24.026972.


Identification of YbeY-Protein Interactions Involved in 16S rRNA Maturation and Stress Regulation in Escherichia coli.

Vercruysse M, Köhrer C, Shen Y, Proulx S, Ghosal A, Davies BW, RajBhandary UL, Walker GC.

MBio. 2016 Nov 8;7(6). pii: e01785-16. doi: 10.1128/mBio.01785-16.


Disulfide cross-linking influences symbiotic activities of nodule peptide NCR247.

Shabab M, Arnold MF, Penterman J, Wommack AJ, Bocker HT, Price PA, Griffitts JS, Nolan EM, Walker GC.

Proc Natl Acad Sci U S A. 2016 Sep 6;113(36):10157-62. doi: 10.1073/pnas.1610724113. Epub 2016 Aug 22.


Nanobiotechnology: Net charge of trace proteins.

Walker GC.

Nat Nanotechnol. 2016 Sep;11(9):739-40. doi: 10.1038/nnano.2016.143. Epub 2016 Jul 25. No abstract available.


Aqueous-Based Fabrication of Low-VOC Nanostructured Block Copolymer Films as Potential Marine Antifouling Coatings.

Kim KS, Gunari N, MacNeil D, Finlay J, Callow M, Callow J, Walker GC.

ACS Appl Mater Interfaces. 2016 Aug 10;8(31):20342-51. doi: 10.1021/acsami.6b04629. Epub 2016 Jul 27.


Interaction between the Rev1 C-Terminal Domain and the PolD3 Subunit of Polζ Suggests a Mechanism of Polymerase Exchange upon Rev1/Polζ-Dependent Translesion Synthesis.

Pustovalova Y, Magalhães MT, D'Souza S, Rizzo AA, Korza G, Walker GC, Korzhnev DM.

Biochemistry. 2016 Apr 5;55(13):2043-53. doi: 10.1021/acs.biochem.5b01282. Epub 2016 Mar 24.


Non mutagenic and mutagenic DNA damage tolerance.

D'Souza S, Yamanaka K, Walker GC.

Cell Cycle. 2016;15(3):314-5. doi: 10.1080/15384101.2015.1132909. No abstract available.


Near-Field Infrared Pump-Probe Imaging of Surface Phonon Coupling in Boron Nitride Nanotubes.

Gilburd L, Xu XG, Bando Y, Golberg D, Walker GC.

J Phys Chem Lett. 2016 Jan 21;7(2):289-94. doi: 10.1021/acs.jpclett.5b02438. Epub 2016 Jan 7.


Bactericidal Antibiotics Induce Toxic Metabolic Perturbations that Lead to Cellular Damage.

Belenky P, Ye JD, Porter CB, Cohen NR, Lobritz MA, Ferrante T, Jain S, Korry BJ, Schwarz EG, Walker GC, Collins JJ.

Cell Rep. 2015 Nov 3;13(5):968-80. doi: 10.1016/j.celrep.2015.09.059. Epub 2015 Oct 22.


Rhizobial peptidase HrrP cleaves host-encoded signaling peptides and mediates symbiotic compatibility.

Price PA, Tanner HR, Dillon BA, Shabab M, Walker GC, Griffitts JS.

Proc Natl Acad Sci U S A. 2015 Dec 8;112(49):15244-9. doi: 10.1073/pnas.1417797112. Epub 2015 Sep 23.


Cell-Membrane-Mimicking Lipid-Coated Nanoparticles Confer Raman Enhancement to Membrane Proteins and Reveal Membrane-Attached Amyloid-β Conformation.

Bhowmik D, Mote KR, MacLaughlin CM, Biswas N, Chandra B, Basu JK, Walker GC, Madhu PK, Maiti S.

ACS Nano. 2015 Sep 22;9(9):9070-7. doi: 10.1021/acsnano.5b03175. Epub 2015 Aug 25.


How osmolytes influence hydrophobic polymer conformations: A unified view from experiment and theory.

Mondal J, Halverson D, Li IT, Stirnemann G, Walker GC, Berne BJ.

Proc Natl Acad Sci U S A. 2015 Jul 28;112(30):9270-5. doi: 10.1073/pnas.1511780112. Epub 2015 Jul 13.


Integrin α11β1 regulates cancer stromal stiffness and promotes tumorigenicity and metastasis in non-small cell lung cancer.

Navab R, Strumpf D, To C, Pasko E, Kim KS, Park CJ, Hai J, Liu J, Jonkman J, Barczyk M, Bandarchi B, Wang YH, Venkat K, Ibrahimov E, Pham NA, Ng C, Radulovich N, Zhu CQ, Pintilie M, Wang D, Lu A, Jurisica I, Walker GC, Gullberg D, Tsao MS.

Oncogene. 2016 Apr 14;35(15):1899-908. doi: 10.1038/onc.2015.254. Epub 2015 Jul 6.


Forming End-to-End Oligomers of Gold Nanorods Using Porphyrins and Phthalocyanines.

Stewart AF, Gagnon BP, Walker GC.

Langmuir. 2015 Jun 23;31(24):6902-8. doi: 10.1021/acs.langmuir.5b01323. Epub 2015 Jun 15.


Cell Cycle Control by the Master Regulator CtrA in Sinorhizobium meliloti.

Pini F, De Nisco NJ, Ferri L, Penterman J, Fioravanti A, Brilli M, Mengoni A, Bazzicalupo M, Viollier PH, Walker GC, Biondi EG.

PLoS Genet. 2015 May 15;11(5):e1005232. doi: 10.1371/journal.pgen.1005232. eCollection 2015 May.


Mid-infrared polaritonic coupling between boron nitride nanotubes and graphene.

Xu XG, Jiang JH, Gilburd L, Rensing RG, Burch KS, Zhi C, Bando Y, Golberg D, Walker GC.

ACS Nano. 2014 Nov 25;8(11):11305-12. doi: 10.1021/nn504093g. Epub 2014 Nov 3.


Structural and optical properties of self-assembled chains of plasmonic nanocubes.

Klinkova A, Thérien-Aubin H, Ahmed A, Nykypanchuk D, Choueiri RM, Gagnon B, Muntyanu A, Gang O, Walker GC, Kumacheva E.

Nano Lett. 2014 Nov 12;14(11):6314-21. doi: 10.1021/nl502746h. Epub 2014 Oct 10.


Unraveling the physiological complexities of antibiotic lethality.

Dwyer DJ, Collins JJ, Walker GC.

Annu Rev Pharmacol Toxicol. 2015;55:313-32. doi: 10.1146/annurev-pharmtox-010814-124712. Epub 2014 Sep 10. Review.


One-dimensional surface phonon polaritons in boron nitride nanotubes.

Xu XG, Ghamsari BG, Jiang JH, Gilburd L, Andreev GO, Zhi C, Bando Y, Golberg D, Berini P, Walker GC.

Nat Commun. 2014 Aug 26;5:4782. doi: 10.1038/ncomms5782.


Biological cost of pyocin production during the SOS response in Pseudomonas aeruginosa.

Penterman J, Singh PK, Walker GC.

J Bacteriol. 2014 Sep;196(18):3351-9. doi: 10.1128/JB.01889-14. Epub 2014 Jul 14.


The highly conserved bacterial RNase YbeY is essential in Vibrio cholerae, playing a critical role in virulence, stress regulation, and RNA processing.

Vercruysse M, Köhrer C, Davies BW, Arnold MF, Mekalanos JJ, RajBhandary UL, Walker GC.

PLoS Pathog. 2014 Jun 5;10(6):e1004175. doi: 10.1371/journal.ppat.1004175. eCollection 2014 Jun.


A design strategy for the hierarchical fabrication of colloidal hybrid mesostructures.

Jia L, Zhao G, Shi W, Coombs N, Gourevich I, Walker GC, Guerin G, Manners I, Winnik MA.

Nat Commun. 2014 May 27;5:3882. doi: 10.1038/ncomms4882.


Rational design for the controlled aggregation of gold nanorods via phospholipid encapsulation for enhanced Raman scattering.

Stewart AF, Lee A, Ahmed A, Ip S, Kumacheva E, Walker GC.

ACS Nano. 2014 Jun 24;8(6):5462-7. doi: 10.1021/nn4044589. Epub 2014 May 19.


Polymerase exchange on single DNA molecules reveals processivity clamp control of translesion synthesis.

Kath JE, Jergic S, Heltzel JM, Jacob DT, Dixon NE, Sutton MD, Walker GC, Loparo JJ.

Proc Natl Acad Sci U S A. 2014 May 27;111(21):7647-52. doi: 10.1073/pnas.1321076111. Epub 2014 May 13.


Antibiotics induce redox-related physiological alterations as part of their lethality.

Dwyer DJ, Belenky PA, Yang JH, MacDonald IC, Martell JD, Takahashi N, Chan CT, Lobritz MA, Braff D, Schwarz EG, Ye JD, Pati M, Vercruysse M, Ralifo PS, Allison KR, Khalil AS, Ting AY, Walker GC, Collins JJ.

Proc Natl Acad Sci U S A. 2014 May 20;111(20):E2100-9. doi: 10.1073/pnas.1401876111. Epub 2014 May 6.


A chemical genetics analysis of the roles of bypass polymerase DinB and DNA repair protein AlkB in processing N2-alkylguanine lesions in vivo.

Shrivastav N, Fedeles BI, Li D, Delaney JC, Frick LE, Foti JJ, Walker GC, Essigmann JM.

PLoS One. 2014 Apr 14;9(4):e94716. doi: 10.1371/journal.pone.0094716. eCollection 2014.


Central role for RNase YbeY in Hfq-dependent and Hfq-independent small-RNA regulation in bacteria.

Pandey SP, Winkler JA, Li H, Camacho DM, Collins JJ, Walker GC.

BMC Genomics. 2014 Feb 11;15:121. doi: 10.1186/1471-2164-15-121.


Global analysis of cell cycle gene expression of the legume symbiont Sinorhizobium meliloti.

De Nisco NJ, Abo RP, Wu CM, Penterman J, Walker GC.

Proc Natl Acad Sci U S A. 2014 Mar 4;111(9):3217-24. doi: 10.1073/pnas.1400421111. Epub 2014 Feb 5.


Host plant peptides elicit a transcriptional response to control the Sinorhizobium meliloti cell cycle during symbiosis.

Penterman J, Abo RP, De Nisco NJ, Arnold MF, Longhi R, Zanda M, Walker GC.

Proc Natl Acad Sci U S A. 2014 Mar 4;111(9):3561-6. doi: 10.1073/pnas.1400450111. Epub 2014 Feb 5.

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