William M. Shafer - Publications

Affiliations: 
Biological and Biomedical Sciences Emory University, Atlanta, GA 
Area:
Microbiology Biology

143 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2024 Balthazar JT, Golparian D, Unemo M, Read TD, Grosse M, Stadler M, Pfarr K, Schiefer A, Hoerauf A, Edwards JL, Vassylyev DG, Shafer WM. A laboratory-based predictive pathway for the development of high-level resistance to corallopyronin A, an inhibitor of bacterial RNA polymerase. Microbiology Spectrum. e0056024. PMID 38647280 DOI: 10.1128/spectrum.00560-24  0.414
2023 Golparian D, Jacobsson S, Holley CL, Shafer WM, Unemo M. High-level in vitro resistance to gentamicin acquired in a stepwise manner in Neisseria gonorrhoeae. The Journal of Antimicrobial Chemotherapy. PMID 37253051 DOI: 10.1093/jac/dkad168  0.375
2022 Lyu M, Ayala JC, Chirakos I, Su CC, Shafer WM, Yu EW. Structural Basis of Peptide-Based Antimicrobial Inhibition of a Resistance-Nodulation-Cell Division Multidrug Efflux Pump. Microbiology Spectrum. e0299022. PMID 36121287 DOI: 10.1128/spectrum.02990-22  0.331
2022 Edwards JL, Balthazar JT, Esposito DLA, Ayala JC, Schiefer A, Pfarr K, Hoerauf A, Alt S, Hesterkamp T, Grosse M, Stadler M, Golparian D, Unemo M, Read TD, Shafer WM. Potent and Anti-Gonococcal Activity of the RpoB Inhibitor Corallopyronin A. Msphere. e0036222. PMID 36094073 DOI: 10.1128/msphere.00362-22  0.375
2022 Ayala JC, Balthazar JT, Shafer WM. Transcriptional regulation of the efflux pump operon: importance for antimicrobial resistance. Microbiology (Reading, England). 168. PMID 35916832 DOI: 10.1099/mic.0.001231  0.394
2022 Holley CL, Dhulipala V, Balthazar JT, Le Van A, Begum AA, Chen SC, Read TD, Matoga M, Hoffman IF, Golparian D, Unemo M, Jerse AE, Shafer WM. A Single Amino Acid Substitution in Elongation Factor G Can Confer Low-Level Gentamicin Resistance in . Antimicrobial Agents and Chemotherapy. 66: e0025122. PMID 35465683 DOI: 10.1128/aac.00251-22  0.404
2022 Ayala JC, Schmerer MW, Kersh EN, Unemo M, Shafer WM. Gonococcal Clinical Strains Bearing a Common Single Nucleotide Polymorphism That Results in Enhanced Expression of the Virulence Gene Frequently Possess a Promoter Mutation That Decreases Antibiotic Susceptibility. Mbio. e0027622. PMID 35258329 DOI: 10.1128/mbio.00276-22  0.459
2021 Beggs GA, Ayala JC, Kavanaugh LG, Read TD, Hooks GM, Schumacher MA, Shafer WM, Brennan RG. Structures of Neisseria gonorrhoeae MtrR-operator complexes reveal molecular mechanisms of DNA recognition and antibiotic resistance-conferring clinical mutations. Nucleic Acids Research. PMID 33784401 DOI: 10.1093/nar/gkab213  0.353
2020 Ferreyra C, Osborn J, Moussy F, Alirol E, Lahra M, Whiley D, Shafer W, Unemo M, Klausner J, Kelly Cirino C, Wi T. Developing target product profiles for Neisseria gonorrhoeae diagnostics in the context of antimicrobial resistance: An expert consensus. Plos One. 15: e0237424. PMID 32870912 DOI: 10.1371/Journal.Pone.0237424  0.35
2020 Holley CL, Ayala JC, Shafer WM. Transcriptional control of the gonococcal ompA gene by the MisR/MisS two-component regulatory system. Scientific Reports. 10: 9425. PMID 32523077 DOI: 10.1038/S41598-020-66382-2  0.466
2020 Lyu M, Moseng MA, Reimche JL, Holley CL, Dhulipala V, Su CC, Shafer WM, Yu EW. Cryo-EM Structures of a Gonococcal Multidrug Efflux Pump Illuminate a Mechanism of Drug Recognition and Resistance. Mbio. 11. PMID 32457251 DOI: 10.1128/Mbio.00996-20  0.479
2020 Zughaier SM, Rouquette-Loughlin CE, Shafer WM. Identification of a Histone Deacetylase: Epigenetic Impact on Host Gene Expression. Pathogens (Basel, Switzerland). 9. PMID 32085531 DOI: 10.3390/Pathogens9020132  0.386
2020 Golparian D, Harris SR, Sánchez-Busó L, Hoffmann S, Shafer WM, Bentley SD, Jensen JS, Unemo M. Genomic evolution of Neisseria gonorrhoeae since the preantibiotic era (1928-2013): antimicrobial use/misuse selects for resistance and drives evolution. Bmc Genomics. 21: 116. PMID 32013864 DOI: 10.1186/S12864-020-6511-6  0.451
2019 Ayala JC, Shafer WM. Transcriptional regulation of a gonococcal gene encoding a virulence factor (L-lactate permease). Plos Pathogens. 15: e1008233. PMID 31860664 DOI: 10.1371/Journal.Ppat.1008233  0.452
2019 Chen S, Connolly KL, Rouquette-Loughlin C, D'Andrea A, Jerse AE, Shafer WM. Could Dampening Expression of the Neisseria gonorrhoeae -Encoded Efflux Pump Be a Strategy To Preserve Currently or Resurrect Formerly Used Antibiotics To Treat Gonorrhea? Mbio. 10. PMID 31409679 DOI: 10.1128/Mbio.01576-19  0.511
2019 Beggs GA, Zalucki YM, Brown NG, Rastegari S, Phillips RK, Palzkill T, Shafer W, Kumaraswami M, Brennan RG. Structural, biochemical and characterization of MtrR-mediated resistance to innate antimicrobials by the human pathogen . Journal of Bacteriology. PMID 31331979 DOI: 10.1128/Jb.00401-19  0.453
2019 Thomas JC, Seby S, Abrams AJ, Cartee J, Lucking S, Vidyaprakash E, Schmerer M, Pham CD, Hong J, Torrone E, St Cyr S, Shafer WM, Bernstein K, Kersh EN, Gernert KM, et al. Evidence of Recent Genomic Evolution in Gonococcal Strains with Decreased Susceptibility to Cephalosporins or Azithromycin in the United States, 2014-2016. The Journal of Infectious Diseases. PMID 30788502 DOI: 10.1093/Infdis/Jiz079  0.355
2018 Rouquette-Loughlin CE, Reimche JL, Balthazar JT, Dhulipala V, Gernert KM, Kersh EN, Pham CD, Pettus K, Abrams AJ, Trees DL, St Cyr S, Shafer WM. Mechanistic Basis for Decreased Antimicrobial Susceptibility in a Clinical Isolate of Neisseria gonorrhoeae Possessing a Mosaic-Like Efflux Pump Locus. Mbio. 9. PMID 30482834 DOI: 10.1128/Mbio.02281-18  0.56
2018 Cristillo AD, Bristow CC, Torrone E, Dillon JA, Kirkcaldy RD, Dong H, Grad YH, Nicholas RA, Rice PA, Lawrence K, Oldach D, Shafer WM, Zhou P, Wi TE, Morris SR, et al. Antimicrobial Resistance in Neisseria gonorrhoeae: Proceedings of the STAR Sexually Transmitted Infection-Clinical Trial Group Programmatic Meeting. Sexually Transmitted Diseases. PMID 30363025 DOI: 10.1097/Olq.0000000000000929  0.383
2018 Shafer WM. Mosaic Drug Efflux Gene Sequences from Commensal Can Lead to Low-Level Azithromycin Resistance Expressed by Clinical Isolates. Mbio. 9. PMID 30206175 DOI: 10.1128/Mbio.01747-18  0.524
2018 Kahler CM, Nawrocki KL, Anandan A, Vrielink A, Shafer WM. Structure-Function Relationships of the Neisserial EptA Enzyme Responsible for Phosphoethanolamine Decoration of Lipid A: Rationale for Drug Targeting. Frontiers in Microbiology. 9: 1922. PMID 30186254 DOI: 10.3389/Fmicb.2018.01922  0.353
2018 Rouquette-Loughlin CE, Dhulipala V, Reimche JL, Raterman E, Begum AA, Jerse AE, Shafer WM. - and -acting factors influence expression of the -encoded efflux pump of and levels of gonococcal susceptibility to substrate antimicrobials. Antimicrobial Agents and Chemotherapy. PMID 29891604 DOI: 10.1128/Aac.00821-18  0.474
2017 Djoko KY, Achard MES, Phan MD, Lo AW, Miraula M, Prombhul S, Hancock SJ, Peters KM, Sidjabat H, Harris PN, Mitić N, Walsh TR, Anderson GJ, Shafer WM, Paterson DL, et al. Copper ions and coordination complexes as novel carbapenem adjuvants. Antimicrobial Agents and Chemotherapy. PMID 29133551 DOI: 10.1128/Aac.02280-17  0.367
2017 Rice PA, Shafer WM, Ram S, Jerse AE. Neisseria gonorrhoeae: Drug Resistance, Mouse Models, and Vaccine Development. Annual Review of Microbiology. 71: 665-686. PMID 28886683 DOI: 10.1146/Annurev-Micro-090816-093530  0.411
2017 Alirol E, Wi TE, Bala M, Bazzo ML, Chen XS, Deal C, Dillon JR, Kularatne R, Heim J, Hooft van Huijsduijnen R, Hook EW, Lahra MM, Lewis DA, Ndowa F, Shafer WM, et al. Multidrug-resistant gonorrhea: A research and development roadmap to discover new medicines. Plos Medicine. 14: e1002366. PMID 28746372 DOI: 10.1371/Journal.Pmed.1002366  0.321
2017 Rouquette-Loughlin CE, Zalucki YM, Dhulipala VL, Balthazar JT, Doyle RG, Nicholas RA, Begum AA, Raterman EL, Jerse AE, Shafer WM. Control of gdhR Expression in Neisseria gonorrhoeae via Autoregulation and a Master Repressor (MtrR) of a Drug Efflux Pump Operon. Mbio. 8. PMID 28400529 DOI: 10.1128/Mbio.00449-17  0.492
2017 Vidyaprakash E, Abrams AJ, Shafer WM, Trees DL. Whole genome sequencing of a large panel of contemporary Neisseria gonorrhoeae clinical isolates indicates that a wild-type mtrA gene is common: implications for inducible antimicrobial resistance. Antimicrobial Agents and Chemotherapy. PMID 28193667 DOI: 10.1128/Aac.00262-17  0.47
2017 Sc C, Zugnhaier S, Unemo M, Shafer W. P1.11 Dampening of the mtrcde efflux pump operon in neisseria gonorrhoeae strain ho41 enhances gonococcal susceptibility to penicillin Sexually Transmitted Infections. 93. DOI: 10.1136/Sextrans-2017-053264.119  0.529
2016 Kandler JL, Acevedo RV, Dickinson MK, Cash DR, Shafer WM, Nau Cornelissen C. The genes that encode the gonococcal transferrin binding proteins, tbpB and tbpA, are differentially regulated by MisR under iron-replete and iron-depleted conditions. Molecular Microbiology. PMID 27353397 DOI: 10.1111/Mmi.13450  0.35
2016 Unemo M, Del Rio C, Shafer WM. Antimicrobial Resistance Expressed by Neisseria gonorrhoeae: A Major Global Public Health Problem in the 21st Century. Microbiology Spectrum. 4. PMID 27337478 DOI: 10.1128/Microbiolspec.Ei10-0009-2015  0.441
2016 Kandler JL, Holley CL, Reimche JL, Dhulipala V, Balthazar JT, Muszyński A, Carlson RW, Shafer WM. The MisR response regulator is necessary for intrinsic cationic antimicrobial peptide and aminoglycoside resistance in Neisseria gonorrhoeae. Antimicrobial Agents and Chemotherapy. PMID 27216061 DOI: 10.1128/Aac.00823-16  0.506
2015 Foerster S, Golparian D, Jacobsson S, Hathaway LJ, Low N, Shafer WM, Althaus CL, Unemo M. Genetic Resistance Determinants, In Vitro Time-Kill Curve Analysis and Pharmacodynamic Functions for the Novel Topoisomerase II Inhibitor ETX0914 (AZD0914) in Neisseria gonorrhoeae. Frontiers in Microbiology. 6: 1377. PMID 26696986 DOI: 10.3389/Fmicb.2015.01377  0.469
2015 Zughaier SM, Kandler JL, Balthazar JT, Shafer WM. Phosphoethanolamine Modification of Neisseria gonorrhoeae Lipid A Reduces Autophagy Flux in Macrophages. Plos One. 10: e0144347. PMID 26641098 DOI: 10.1371/Journal.Pone.0144347  0.337
2015 Goytia M, Hawel L, Dhulipala VL, Joseph SJ, Read TD, Shafer WM. Characterization of a spermine/spermidine transport system reveals a novel DNA sequence duplication in Neisseria gonorrhoeae. Fems Microbiology Letters. 362. PMID 26229069 DOI: 10.1093/Femsle/Fnv125  0.431
2015 Johnson PJ, Shafer WM. The Transcriptional Repressor, MtrR, of the mtrCDE Efflux Pump Operon of Neisseria gonorrhoeae Can Also Serve as an Activator of "off Target" Gene (glnE) Expression. Antibiotics (Basel, Switzerland). 4: 188-197. PMID 26078871 DOI: 10.3390/Antibiotics4020188  0.406
2015 Su CC, Bolla JR, Kumar N, Radhakrishnan A, Long F, Delmar JA, Chou TH, Rajashankar KR, Shafer WM, Yu EW. Structure and function of Neisseria gonorrhoeae MtrF illuminates a class of antimetabolite efflux pumps. Cell Reports. 11: 61-70. PMID 25818299 DOI: 10.1016/J.Celrep.2015.03.003  0.414
2015 Ezewudo MN, Joseph SJ, Castillo-Ramirez S, Dean D, Del Rio C, Didelot X, Dillon JA, Selden RF, Shafer WM, Turingan RS, Unemo M, Read TD. Population structure of Neisseria gonorrhoeae based on whole genome data and its relationship with antibiotic resistance. Peerj. 3: e806. PMID 25780762 DOI: 10.7717/Peerj.806  0.442
2015 Bauer ME, Shafer WM. On the in vivo significance of bacterial resistance to antimicrobial peptides. Biochimica Et Biophysica Acta. PMID 25701234 DOI: 10.1016/J.Bbamem.2015.02.012  0.423
2015 Ohneck EA, Goytia M, Rouquette-Loughlin CE, Joseph SJ, Read TD, Jerse AE, Shafer WM. Overproduction of the MtrCDE efflux pump in Neisseria gonorrhoeae produces unexpected changes in cellular transcription patterns. Antimicrobial Agents and Chemotherapy. 59: 724-6. PMID 25367915 DOI: 10.1128/Aac.04148-14  0.797
2015 Shafer W. S11.2 Efflux pumps inneisseria gonorrhoeae– cause of resistance and targets for therapeutics and vaccine? Sexually Transmitted Infections. 91: A18.2-A18. DOI: 10.1136/Sextrans-2015-052270.58  0.506
2014 Unemo M, Shafer WM. Antimicrobial resistance in Neisseria gonorrhoeae in the 21st century: past, evolution, and future. Clinical Microbiology Reviews. 27: 587-613. PMID 24982323 DOI: 10.1128/Cmr.00010-14  0.459
2014 Bolla JR, Su CC, Do SV, Radhakrishnan A, Kumar N, Long F, Chou TH, Delmar JA, Lei HT, Rajashankar KR, Shafer WM, Yu EW. Crystal structure of the Neisseria gonorrhoeae MtrD inner membrane multidrug efflux pump. Plos One. 9: e97903. PMID 24901477 DOI: 10.1371/Journal.Pone.0097903  0.449
2014 Lei HT, Chou TH, Su CC, Bolla JR, Kumar N, Radhakrishnan A, Long F, Delmar JA, Do SV, Rajashankar KR, Shafer WM, Yu EW. Crystal structure of the open state of the Neisseria gonorrhoeae MtrE outer membrane channel. Plos One. 9: e97475. PMID 24901251 DOI: 10.1371/Journal.Pone.0097475  0.39
2014 Vélez Acevedo RN, Ronpirin C, Kandler JL, Shafer WM, Cornelissen CN. Identification of regulatory elements that control expression of the tbpBA operon in Neisseria gonorrhoeae. Journal of Bacteriology. 196: 2762-74. PMID 24837286 DOI: 10.1128/Jb.01693-14  0.377
2014 Kandler JL, Joseph SJ, Balthazar JT, Dhulipala V, Read TD, Jerse AE, Shafer WM. Phase-variable expression of lptA modulates the resistance of Neisseria gonorrhoeae to cationic antimicrobial peptides. Antimicrobial Agents and Chemotherapy. 58: 4230-3. PMID 24820072 DOI: 10.1128/Aac.03108-14  0.491
2014 Golparian D, Shafer WM, Ohnishi M, Unemo M. Importance of multidrug efflux pumps in the antimicrobial resistance property of clinical multidrug-resistant isolates of Neisseria gonorrhoeae. Antimicrobial Agents and Chemotherapy. 58: 3556-9. PMID 24733458 DOI: 10.1128/Aac.00038-14  0.472
2014 Unemo M, Golparian D, Shafer WM. Challenges with gonorrhea in the era of multi-drug and extensively drug resistance - are we on the right track? Expert Review of Anti-Infective Therapy. 12: 653-6. PMID 24702589 DOI: 10.1586/14787210.2014.906902  0.41
2014 Packiam M, Yedery RD, Begum AA, Carlson RW, Ganguly J, Sempowski GD, Ventevogel MS, Shafer WM, Jerse AE. Phosphoethanolamine decoration of Neisseria gonorrhoeae lipid A plays a dual immunostimulatory and protective role during experimental genital tract infection. Infection and Immunity. 82: 2170-9. PMID 24686069 DOI: 10.1128/Iai.01504-14  0.379
2014 Zughaier SM, Kandler JL, Shafer WM. Neisseria gonorrhoeae modulates iron-limiting innate immune defenses in macrophages. Plos One. 9: e87688. PMID 24489950 DOI: 10.1371/Journal.Pone.0087688  0.315
2013 Hobbs MM, Anderson JE, Balthazar JT, Kandler JL, Carlson RW, Ganguly J, Begum AA, Duncan JA, Lin JT, Sparling PF, Jerse AE, Shafer WM. Lipid A's structure mediates Neisseria gonorrhoeae fitness during experimental infection of mice and men. Mbio. 4: e00892-13. PMID 24255126 DOI: 10.1128/Mbio.00892-13  0.312
2013 Goytia M, Dhulipala VL, Shafer WM. Spermine impairs biofilm formation by Neisseria gonorrhoeae. Fems Microbiology Letters. 343: 64-9. PMID 23506248 DOI: 10.1111/1574-6968.12130  0.329
2013 Cloward JM, Shafer WM. MtrR control of a transcriptional regulatory pathway in Neisseria meningitidis that influences expression of a gene (nadA) encoding a vaccine candidate. Plos One. 8: e56097. PMID 23409129 DOI: 10.1371/Journal.Pone.0056097  0.376
2013 Lewis LA, Shafer WM, Dutta Ray T, Ram S, Rice PA. Phosphoethanolamine residues on the lipid A moiety of Neisseria gonorrhoeae lipooligosaccharide modulate binding of complement inhibitors and resistance to complement killing. Infection and Immunity. 81: 33-42. PMID 23071134 DOI: 10.1128/Iai.00751-12  0.428
2012 Zalucki YM, Dhulipala V, Shafer WM. Dueling regulatory properties of a transcriptional activator (MtrA) and repressor (MtrR) that control efflux pump gene expression in Neisseria gonorrhoeae. Mbio. 3: e00446-12. PMID 23221802 DOI: 10.1128/Mbio.00446-12  0.396
2012 Kunz AN, Begum AA, Wu H, D'Ambrozio JA, Robinson JM, Shafer WM, Bash MC, Jerse AE. Impact of fluoroquinolone resistance mutations on gonococcal fitness and in vivo selection for compensatory mutations. The Journal of Infectious Diseases. 205: 1821-9. PMID 22492860 DOI: 10.1093/Infdis/Jis277  0.441
2012 Mercante AD, Jackson L, Johnson PJ, Stringer VA, Dyer DW, Shafer WM. MpeR regulates the mtr efflux locus in Neisseria gonorrhoeae and modulates antimicrobial resistance by an iron-responsive mechanism. Antimicrobial Agents and Chemotherapy. 56: 1491-501. PMID 22214775 DOI: 10.1128/Aac.06112-11  0.424
2011 Unemo M, Shafer WM. Antibiotic resistance in Neisseria gonorrhoeae: origin, evolution, and lessons learned for the future. Annals of the New York Academy of Sciences. 1230: E19-28. PMID 22239555 DOI: 10.1111/J.1749-6632.2011.06215.X  0.443
2011 Hollander A, Mercante AD, Shafer WM, Cornelissen CN. The iron-repressed, AraC-like regulator MpeR activates expression of fetA in Neisseria gonorrhoeae. Infection and Immunity. 79: 4764-76. PMID 21947770 DOI: 10.1128/Iai.05806-11  0.386
2011 Ohneck EA, Zalucki YM, Johnson PJ, Dhulipala V, Golparian D, Unemo M, Jerse AE, Shafer WM. A novel mechanism of high-level, broad-spectrum antibiotic resistance caused by a single base pair change in Neisseria gonorrhoeae. Mbio. 2. PMID 21933917 DOI: 10.1128/Mbio.00187-11  0.821
2011 Balthazar JT, Gusa A, Martin LE, Choudhury B, Carlson R, Shafer WM. Lipooligosaccharide Structure is an Important Determinant in the Resistance of Neisseria Gonorrhoeae to Antimicrobial Agents of Innate Host Defense. Frontiers in Microbiology. 2: 30. PMID 21747781 DOI: 10.3389/Fmicb.2011.00030  0.501
2011 Hobbs MM, Sparling PF, Cohen MS, Shafer WM, Deal CD, Jerse AE. Experimental Gonococcal Infection in Male Volunteers: Cumulative Experience with Neisseria gonorrhoeae Strains FA1090 and MS11mkC. Frontiers in Microbiology. 2: 123. PMID 21734909 DOI: 10.3389/Fmicb.2011.00123  0.346
2011 Zalucki YM, Shafer WM, Jennings MP. Directed evolution of efficient secretion in the SRP-dependent export of TolB. Biochimica Et Biophysica Acta. 1808: 2544-50. PMID 21699884 DOI: 10.1016/J.Bbamem.2011.06.004  0.328
2011 Routh MD, Zalucki Y, Su CC, Zhang Q, Shafer WM, Yu EW. Efflux pumps of the resistance-nodulation-division family: a perspective of their structure, function, and regulation in gram-negative bacteria. Advances in Enzymology and Related Areas of Molecular Biology. 77: 109-46. PMID 21692368 DOI: 10.1002/9780470920541.Ch3  0.481
2011 Shafer WM, Ohneck EA. Taking the gonococcus-human relationship to a whole new level: implications for the coevolution of microbes and humans. Mbio. 2: e00067-11. PMID 21521723 DOI: 10.1128/Mbio.00067-11  0.764
2011 Johnson PJ, Stringer VA, Shafer WM. Off-target gene regulation mediated by transcriptional repressors of antimicrobial efflux pump genes in Neisseria gonorrhoeae. Antimicrobial Agents and Chemotherapy. 55: 2559-65. PMID 21422217 DOI: 10.1128/Aac.00010-11  0.456
2010 Zähner D, Zhou X, Chancey ST, Pohl J, Shafer WM, Stephens DS. Human antimicrobial peptide LL-37 induces MefE/Mel-mediated macrolide resistance in Streptococcus pneumoniae. Antimicrobial Agents and Chemotherapy. 54: 3516-9. PMID 20498319 DOI: 10.1128/Aac.01756-09  0.438
2010 Goytia M, Shafer WM. Polyamines can increase resistance of Neisseria gonorrhoeae to mediators of the innate human host defense. Infection and Immunity. 78: 3187-95. PMID 20439477 DOI: 10.1128/Iai.01301-09  0.448
2010 Duval BD, Mathew A, Satola SW, Shafer WM. Altered growth, pigmentation, and antimicrobial susceptibility properties of Staphylococcus aureus due to loss of the major cold shock gene cspB. Antimicrobial Agents and Chemotherapy. 54: 2283-90. PMID 20368405 DOI: 10.1128/Aac.01786-09  0.796
2010 Kamal N, Shafer WM. Biologic activities of the TolC-like protein of Neisseria meningitidis as assessed by functional complementation in Escherichia coli. Antimicrobial Agents and Chemotherapy. 54: 506-8. PMID 19884363 DOI: 10.1128/Aac.01168-09  0.733
2009 Lewis LA, Choudhury B, Balthazar JT, Martin LE, Ram S, Rice PA, Stephens DS, Carlson R, Shafer WM. Phosphoethanolamine substitution of lipid A and resistance of Neisseria gonorrhoeae to cationic antimicrobial peptides and complement-mediated killing by normal human serum. Infection and Immunity. 77: 1112-20. PMID 19114544 DOI: 10.1128/Iai.01280-08  0.475
2009 Folster JP, Johnson PJ, Jackson L, Dhulipali V, Dyer DW, Shafer WM. MtrR modulates rpoH expression and levels of antimicrobial resistance in Neisseria gonorrhoeae. Journal of Bacteriology. 191: 287-97. PMID 18978065 DOI: 10.1128/Jb.01165-08  0.497
2008 Warner DM, Shafer WM, Jerse AE. Clinically relevant mutations that cause derepression of the Neisseria gonorrhoeae MtrC-MtrD-MtrE Efflux pump system confer different levels of antimicrobial resistance and in vivo fitness. Molecular Microbiology. 70: 462-78. PMID 18761689 DOI: 10.1111/J.1365-2958.2008.06424.X  0.54
2008 Long F, Rouquette-Loughlin C, Shafer WM, Yu EW. Functional cloning and characterization of the multidrug efflux pumps NorM from Neisseria gonorrhoeae and YdhE from Escherichia coli. Antimicrobial Agents and Chemotherapy. 52: 3052-60. PMID 18591276 DOI: 10.1128/Aac.00475-08  0.467
2008 Garvin LE, Bash MC, Keys C, Warner DM, Ram S, Shafer WM, Jerse AE. Phenotypic and genotypic analyses of Neisseria gonorrhoeae isolates that express frequently recovered PorB PIA variable region types suggest that certain P1a porin sequences confer a selective advantage for urogenital tract infection. Infection and Immunity. 76: 3700-9. PMID 18541655 DOI: 10.1128/Iai.00265-08  0.466
2007 Warner DM, Folster JP, Shafer WM, Jerse AE. Regulation of the MtrC-MtrD-MtrE efflux-pump system modulates the in vivo fitness of Neisseria gonorrhoeae. The Journal of Infectious Diseases. 196: 1804-12. PMID 18190261 DOI: 10.1086/522964  0.471
2007 Kamal N, Rouquette-Loughlin C, Shafer WM. The TolC-like protein of neisseria meningitidis is required for extracellular production of the repeats-in-toxin toxin FrpC but not for resistance to antimicrobials recognized by the Mtr efflux pump system. Infection and Immunity. 75: 6008-12. PMID 17923520 DOI: 10.1128/Iai.01995-06  0.668
2007 Friedrich A, Arvidson CG, Shafer WM, Lee EH, So M. Two ABC transporter operons and the antimicrobial resistance gene mtrF are pilT responsive in Neisseria gonorrhoeae. Journal of Bacteriology. 189: 5399-402. PMID 17496077 DOI: 10.1128/Jb.00300-07  0.426
2007 Folster JP, Dhulipala V, Nicholas RA, Shafer WM. Differential regulation of ponA and pilMNOPQ expression by the MtrR transcriptional regulatory protein in Neisseria gonorrhoeae. Journal of Bacteriology. 189: 4569-77. PMID 17483228 DOI: 10.1128/Jb.00286-07  0.547
2007 Lewis L, Ram S, Balthazar J, Martin L, Tzeng Y, Stephens D, Rice P, Shafer W. Gonococcal lipooligosaccharide phosphoethanolamine substitutions modulate serum resistance and C4bp binding Molecular Immunology. 44: 204-205. DOI: 10.1016/J.Molimm.2006.07.135  0.371
2006 Lee EH, Hill SA, Napier R, Shafer WM. Integration Host Factor is required for FarR repression of the farAB-encoded efflux pump of Neisseria gonorrhoeae. Molecular Microbiology. 60: 1381-400. PMID 16796676 DOI: 10.1111/J.1365-2958.2006.05185.X  0.342
2006 Shafer WM, Folster JP. Towards an understanding of chromosomally mediated penicillin resistance in Neisseria gonorrhoeae: evidence for a porin-efflux pump collaboration. Journal of Bacteriology. 188: 2297-9. PMID 16547015 DOI: 10.1128/Jb.188.7.2297-2299.2006  0.465
2005 Katzif S, Lee EH, Law AB, Tzeng YL, Shafer WM. CspA regulates pigment production in Staphylococcus aureus through a SigB-dependent mechanism. Journal of Bacteriology. 187: 8181-4. PMID 16291691 DOI: 10.1128/Jb.187.23.8181-8184.2005  0.424
2005 Rouquette-Loughlin CE, Balthazar JT, Shafer WM. Characterization of the MacA-MacB efflux system in Neisseria gonorrhoeae. The Journal of Antimicrobial Chemotherapy. 56: 856-60. PMID 16162665 DOI: 10.1093/Jac/Dki333  0.401
2005 Tzeng YL, Ambrose KD, Zughaier S, Zhou X, Miller YK, Shafer WM, Stephens DS. Cationic antimicrobial peptide resistance in Neisseria meningitidis. Journal of Bacteriology. 187: 5387-96. PMID 16030233 DOI: 10.1128/Jb.187.15.5387-5396.2005  0.528
2005 Rasmussen AW, Alexander HL, Perkins-Balding D, Shafer WM, Stojiljkovic I. Resistance of neisseria meningitidis to the toxic effects of heme iron and other hydrophobic agents requires expression of ght. Journal of Bacteriology. 187: 5214-23. PMID 16030215 DOI: 10.1128/Jb.187.15.5214-5223.2005  0.484
2005 Hoffmann KM, Williams D, Shafer WM, Brennan RG. Characterization of the multiple transferable resistance repressor, MtrR, from Neisseria gonorrhoeae. Journal of Bacteriology. 187: 5008-12. PMID 15995218 DOI: 10.1128/Jb.187.14.5008-5012.2005  0.392
2005 Folster JP, Shafer WM. Regulation of mtrF expression in Neisseria gonorrhoeae and its role in high-level antimicrobial resistance. Journal of Bacteriology. 187: 3713-20. PMID 15901695 DOI: 10.1128/Jb.187.11.3713-3720.2005  0.522
2004 Sieprawska-Lupa M, Mydel P, Krawczyk K, Wójcik K, Puklo M, Lupa B, Suder P, Silberring J, Reed M, Pohl J, Shafer W, McAleese F, Foster T, Travis J, Potempa J. Degradation of human antimicrobial peptide LL-37 by Staphylococcus aureus-derived proteinases. Antimicrobial Agents and Chemotherapy. 48: 4673-9. PMID 15561843 DOI: 10.1128/Aac.48.12.4673-4679.2004  0.375
2004 Bozja J, Yi K, Shafer WM, Stojiljkovic I. Porphyrin-based compounds exert antibacterial action against the sexually transmitted pathogens Neisseria gonorrhoeae and Haemophilus ducreyi International Journal of Antimicrobial Agents. 24: 578-584. PMID 15555881 DOI: 10.1016/J.Ijantimicag.2004.06.008  0.349
2004 Rouquette-Loughlin CE, Balthazar JT, Hill SA, Shafer WM. Modulation of the mtrCDE-encoded efflux pump gene complex of Neisseria meningitidis due to a Correia element insertion sequence. Molecular Microbiology. 54: 731-41. PMID 15491363 DOI: 10.1111/J.1365-2958.2004.04299.X  0.446
2004 Rivera-Marrero CA, Stewart J, Shafer WM, Roman J. The down-regulation of cathepsin G in THP-1 monocytes after infection with Mycobacterium tuberculosis is associated with increased intracellular survival of bacilli. Infection and Immunity. 72: 5712-21. PMID 15385470 DOI: 10.1128/Iai.72.10.5712-5721.2004  0.305
2004 Chen CJ, Tobiason DM, Thomas CE, Shafer WM, Seifert HS, Sparling PF. A mutant form of the Neisseria gonorrhoeae pilus secretin protein PilQ allows increased entry of heme and antimicrobial compounds. Journal of Bacteriology. 186: 730-9. PMID 14729699 DOI: 10.1128/Jb.186.3.730-739.2004  0.389
2003 Cox DL, Sun Y, Liu H, Lehrer RI, Shafer WM. Susceptibility of Treponema pallidum to host-derived antimicrobial peptides. Peptides. 24: 1741-6. PMID 15019205 DOI: 10.1016/J.Peptides.2003.07.026  0.31
2003 Lee EH, Rouquette-Loughlin C, Folster JP, Shafer WM. FarR Regulates the farAB-Encoded Efflux Pump of Neisseria gonorrhoeae via an MtrR Regulatory Mechanism Journal of Bacteriology. 185: 7145-7152. PMID 14645274 DOI: 10.1128/Jb.185.24.7145-7152.2003  0.392
2003 Jerse AE, Sharma ND, Simms AN, Crow ET, Snyder LA, Shafer WM. A gonococcal efflux pump system enhances bacterial survival in a female mouse model of genital tract infection. Infection and Immunity. 71: 5576-82. PMID 14500476 DOI: 10.1128/Iai.71.10.5576-5582.2003  0.395
2003 Katzif S, Danavall D, Bowers S, Balthazar JT, Shafer WM. The major cold shock gene, cspA, is involved in the susceptibility of Staphylococcus aureus to an antimicrobial peptide of human cathepsin G. Infection and Immunity. 71: 4304-12. PMID 12874306 DOI: 10.1128/Iai.71.8.4304-4312.2003  0.499
2003 Rouquette-Loughlin C, Dunham SA, Kuhn M, Balthazar JT, Shafer WM. The NorM efflux pump of Neisseria gonorrhoeae and Neisseria meningitidis recognizes antimicrobial cationic compounds. Journal of Bacteriology. 185: 1101-6. PMID 12533487 DOI: 10.1128/Jb.185.3.1101-1106.2003  0.452
2003 Snyder LA, Shafer WM, Saunders NJ. Divergence and transcriptional analysis of the division cell wall (dcw) gene cluster in Neisseria spp. Molecular Microbiology. 47: 431-42. PMID 12519193 DOI: 10.1046/J.1365-2958.2003.03204.X  0.358
2003 Veal WL, Shafer WM. Identification of a cell envelope protein (MtrF) involved in hydrophobic antimicrobial resistance in Neisseria gonorrhoeae. The Journal of Antimicrobial Chemotherapy. 51: 27-37. PMID 12493784 DOI: 10.1093/Jac/Dkg031  0.821
2002 Veal WL, Nicholas RA, Shafer WM. Overexpression of the MtrC-MtrD-MtrE efflux pump due to an mtrR mutation is required for chromosomally mediated penicillin resistance in Neisseria gonorrhoeae. Journal of Bacteriology. 184: 5619-24. PMID 12270819 DOI: 10.1128/Jb.184.20.5619-5624.2002  0.808
2002 Shafer WM, Datta A, Kolli VS, Rahman MM, Balthazar JT, Martin LE, Veal WL, Stephens DS, Carlson R. Phase variable changes in genes lgtA and lgtC within the lgtABCDE operon of Neisseria gonorrhoeae can modulate gonococcal susceptibility to normal human serum. Journal of Endotoxin Research. 8: 47-58. PMID 11981445 DOI: 10.1177/09680519020080010501  0.751
2002 Rouquette-Loughlin C, Stojiljkovic I, Hrobowski T, Balthazar JT, Shafer WM. Inducible, but not constitutive, resistance of gonococci to hydrophobic agents due to the MtrC-MtrD-MtrE efflux pump requires TonB-ExbB-ExbD proteins. Antimicrobial Agents and Chemotherapy. 46: 561-5. PMID 11796379 DOI: 10.1128/Aac.46.2.561-565.2002  0.474
2001 Zarantonelli L, Borthagaray G, Lee EH, Veal W, Shafer WM. Decreased susceptibility to azithromycin and erythromycin mediated by a novel mtr(R) promoter mutation in Neisseria gonorrhoeae. The Journal of Antimicrobial Chemotherapy. 47: 651-4. PMID 11328778 DOI: 10.1093/Jac/47.5.651  0.787
2001 Shafer WM, Veal WL, Lee EH, Zarantonelli L, Balthazar JT, Rouquette C. Genetic organization and regulation of antimicrobial efflux systems possessed by Neisseria gonorrhoeae and Neisseria meningitidis. Journal of Molecular Microbiology and Biotechnology. 3: 219-24. PMID 11321577  0.783
2001 Snyder LA, Saunders NJ, Shafer WM. A putatively phase variable gene (dca) required for natural competence in Neisseria gonorrhoeae but not Neisseria meningitidis is located within the division cell wall (dcw) gene cluster. Journal of Bacteriology. 183: 1233-41. PMID 11157935 DOI: 10.1128/Jb.183.4.1233-1241.2001  0.448
2000 Xia M, Whittington WL, Shafer WM, Holmes KK. Gonorrhea among men who have sex with men: outbreak caused by a single genotype of erythromycin-resistant Neisseria gonorrhoeae with a single-base pair deletion in the mtrR promoter region. The Journal of Infectious Diseases. 181: 2080-2. PMID 10837198 DOI: 10.1086/315510  0.39
1999 Zarantonelli L, Borthagaray G, Lee EH, Shafer WM. Decreased azithromycin susceptibility of Neisseria gonorrhoeae due to mtrR mutations. Antimicrobial Agents and Chemotherapy. 43: 2468-72. PMID 10508026 DOI: 10.1128/Aac.43.10.2468  0.559
1999 Fallon MT, Shafer W, Jacob E. Use of Cefazolin Microspheres to Treat Localized Methicillin-Resistant Staphylococcus aureus Infections in Rats Journal of Surgical Research. 86: 97-102. PMID 10452874 DOI: 10.1006/Jsre.1999.5686  0.351
1999 Lee EH, Shafer WM. The farAB-encoded efflux pump mediates resistance of gonococci to long-chained antibacterial fatty acids. Molecular Microbiology. 33: 839-45. PMID 10447892 DOI: 10.1046/J.1365-2958.1999.01530.X  0.517
1999 Rouquette C, Harmon JB, Shafer WM. Induction of the mtrCDE-encoded efflux pump system of Neisseria gonorrhoeae requires MtrA, an AraC-like protein. Molecular Microbiology. 33: 651-8. PMID 10417654 DOI: 10.1046/J.1365-2958.1999.01517.X  0.527
1998 Veal WL, Yellen A, Balthazar JT, Pan W, Spratt BG, Shafer WM. Loss-of-function mutations in the mtr efflux system of Neisseria gonorrhoeae. Microbiology (Reading, England). 144: 621-7. PMID 9534233 DOI: 10.1099/00221287-144-3-621  0.805
1998 Shafer WM, Qu X, Waring AJ, Lehrer RI. Modulation of Neisseria gonorrhoeae susceptibility to vertebrate antibacterial peptides due to a member of the resistance/nodulation/division efflux pump family. Proceedings of the National Academy of Sciences of the United States of America. 95: 1829-33. PMID 9465102 DOI: 10.1073/Pnas.95.4.1829  0.366
1997 Hagman KE, Lucas CE, Balthazar JT, Snyder L, Nilles M, Judd RC, Shafer WM. The MtrD protein of Neisseria gonorrhoeae is a member of the resistance/nodulation/division protein family constituting part of an efflux system. Microbiology (Reading, England). 143: 2117-2125. PMID 27259279 DOI: 10.1099/00221287-143-7-2117  0.321
1997 Hagman KE, Lucas CE, Balthazar JT, Snyder L, Nilles M, Judd RC, Shafer WM. The MtrD protein of Neisseria gonorrhoeae is a member of the resistance/nodulation/division protein family constituting part of an efflux system. Microbiology (Reading, England). 143: 2117-2125. PMID 27235097 DOI: 10.1099/00221287-143-7-2117  0.321
1997 Delahay RM, Robertson BD, Balthazar JT, Shafer WM, Ison CA. Involvement of the gonococcal MtrE protein in the resistance of Neisseria gonorrhoeae to toxic hydrophobic agents. Microbiology (Reading, England). 2127-33. PMID 9245802 DOI: 10.1099/00221287-143-7-2127  0.446
1997 Hagman KE, Lucas CE, Balthazar JT, Snyder L, Nilles M, Judd RC, Shafer WM. The MtrD protein of Neisseria gonorrhoeae is a member of the resistance/nodulation/division protein family constituting part of an efflux system. Microbiology (Reading, England). 143: 2117-25. PMID 9245801 DOI: 10.1099/00221287-143-7-2117  0.432
1997 Lucas CE, Balthazar JT, Hagman KE, Shafer WM. The MtrR repressor binds the DNA sequence between the mtrR and mtrC genes of Neisseria gonorrhoeae. Journal of Bacteriology. 179: 4123-8. PMID 9209024 DOI: 10.1128/Jb.179.13.4123-4128.1997  0.497
1996 Swartley JS, Balthazar JT, Coleman J, Shafer WM, Stephens DS. Membrane glycerophospholipid biosynthesis in Neisseria meningitidis and Neisseria gonorrhoeae: identification, characterization, and mutagenesis of a lysophosphatidic acid acyltransferase. Molecular Microbiology. 18: 401-12. PMID 8748025 DOI: 10.1111/J.1365-2958.1995.Mmi_18030401.X  0.427
1996 Qu XD, Harwig SS, Oren AM, Shafer WM, Lehrer RI. Susceptibility of Neisseria gonorrhoeae to protegrins. Infection and Immunity. 64: 1240-5. PMID 8606085 DOI: 10.1128/iai.64.4.1240-1245.1996  0.355
1995 Hagman KE, Pan W, Spratt BG, Balthazar JT, Judd RC, Shafer WM. Resistance of Neisseria gonorrhoeae to antimicrobial hydrophobic agents is modulated by the mtrRCDE efflux system. Microbiology (Reading, England). 141: 611-622. PMID 27259881 DOI: 10.1099/13500872-141-3-611  0.537
1995 Shafer WM, Balthazar JT, Hagman KE, Morse SA. Missense mutations that alter the DNA-binding domain of the MtrR protein occur frequently in rectal isolates of Neisseria gonorrhoeae that are resistant to faecal lipids. Microbiology (Reading, England). 141: 907-11. PMID 7773394 DOI: 10.1099/13500872-141-4-907  0.529
1995 Hagman KE, Shafer WM. Transcriptional control of the mtr efflux system of Neisseria gonorrhoeae. Journal of Bacteriology. 177: 4162-5. PMID 7608095 DOI: 10.1128/Jb.177.14.4162-4165.1995  0.499
1995 Lucas CE, Hagman KE, Levin JC, Stein DC, Shafer WM. Importance of lipooligosaccharide structure in determining gonococcal resistance to hydrophobic antimicrobial agents resulting from the mtr efflux system. Molecular Microbiology. 16: 1001-9. PMID 7476176 DOI: 10.1111/J.1365-2958.1995.Tb02325.X  0.584
1993 Shafer WM, Shepherd ME, Boltin B, Wells L, Pohl J. Synthetic peptides of human lysosomal cathepsin G with potent antipseudomonal activity. Infection and Immunity. 61: 1900-8. PMID 8478079 DOI: 10.1128/Iai.61.5.1900-1908.1993  0.303
1991 Shafer WM, Onunka VC, Jannoun M, Huthwaite LW. Molecular mechanism for the antigonococcal action of lysosomal cathepsin G. Molecular Microbiology. 4: 1269-77. PMID 2126324 DOI: 10.1111/J.1365-2958.1990.Tb00706.X  0.33
1991 Shafer WM, Judd RC. Gonococcal penicillin-binding protein 3 and the surface-exposed 44kDa peptidoglycan-binding protein appear to be the same molecule. Molecular Microbiology. 5: 1097-103. PMID 1956287 DOI: 10.1111/J.1365-2958.1991.Tb01882.X  0.337
1990 Shafer WM, Onunka VC. Mechanism of staphylococcal resistance to non-oxidative antimicrobial action of neutrophils: importance of pH and ionic strength in determining the bactericidal action of cathepsin G. Journal of General Microbiology. 135: 825-30. PMID 2600586 DOI: 10.1099/00221287-135-4-825  0.34
1989 Judd RC, Shafer WM. Topographical alterations in proteins I of Neisseria gonorrhoeae correlated with lipooligosaccharide variation. Molecular Microbiology. 3: 637-43. PMID 2503681 DOI: 10.1111/J.1365-2958.1989.Tb00211.X  0.31
1988 Farley MM, Shafer WM, Spitznagel JK. Lipopolysaccharide structure determines ionic and hydrophobic binding of a cationic antimicrobial neutrophil granule protein. Infection and Immunity. 56: 1589-92. PMID 3286500 DOI: 10.1128/Iai.56.6.1589-1592.1988  0.356
1988 Shafer WM, Engle SA, Martin LE, Spitznagel JK. Killing of Proteus mirabilis by polymorphonuclear leukocyte granule proteins: evidence for species specificity by antimicrobial proteins. Infection and Immunity. 56: 51-3. PMID 3275586 DOI: 10.1128/Iai.56.1.51-53.1988  0.341
1988 Shafer WM. Lipopolysaccharide masking of gonococcal outer-membrane proteins modulates binding of bacterial cathepsin G to gonococci. Journal of General Microbiology. 134: 539-45. PMID 3141568 DOI: 10.1099/00221287-134-3-539  0.309
1988 Stephens DS, Shafer WM. Evidence that the serum resistance genetic locus sac-3 of Neisseria gonorrhoeae is involved in lipopolysaccharide structure. Journal of General Microbiology. 133: 2671-8. PMID 3129537 DOI: 10.1099/00221287-133-9-2671  0.37
1988 Ray C, Igo M, Shafer W, Losick R, Moran CP. Suppression of ctc promoter mutations in Bacillus subtilis Journal of Bacteriology. 170: 900-907. PMID 3123466 DOI: 10.1128/Jb.170.2.900-907.1988  0.38
1988 Spitznagel JK, Shafer WM, Farley MM. A Mutation in Salmonella Typhimurium that Enhances Resistance to Oxygen-Independent Antimicrobial Neutrophil Protein Advances in Experimental Medicine and Biology. 239: 79-88. DOI: 10.1007/978-3-642-85718-8_23  0.486
1987 Farley MM, Shafer WM, Spitznagel JK. Antimicrobial binding of a radiolabeled cationic neutrophil granule protein. Infection and Immunity. 55: 1536-9. PMID 3553007 DOI: 10.1128/Iai.55.6.1536-1539.1987  0.375
1987 Shafer WM, Morse SA. Cleavage of the protein III and major iron-regulated protein of Neisseria gonorrhoeae by lysosomal cathepsin G. Journal of General Microbiology. 133: 155-62. PMID 3116158 DOI: 10.1099/00221287-133-1-155  0.366
1986 Shafer WM, Onunka VC, Martin LE. Antigonococcal activity of human neutrophil cathepsin G Infection and Immunity. 54: 184-188. PMID 3093384 DOI: 10.1128/Iai.54.1.184-188.1986  0.347
1986 Shafer WM, Onunka V, Hitchcock PJ. A spontaneous mutant of Neisseria gonorrhoeae with decreased resistance to neutrophil granule proteins. The Journal of Infectious Diseases. 153: 910-7. PMID 3084666 DOI: 10.1093/infdis/153.5.910  0.385
1985 Spitznagel JK, Shafer WM. Neutrophil killing of bacteria by oxygen-independent mechanisms: a historical summary. Reviews of Infectious Diseases. 7: 398-403. PMID 3895354 DOI: 10.1093/Clinids/7.3.398  0.33
1984 Shafer WM, Guymon LF, Lind I, Sparling PF. Identification of an envelope mutation (env-10) resulting in increased antibiotic susceptibility and pyocin resistance in a clinical isolate of Neisseria gonorrhoeae. Antimicrobial Agents and Chemotherapy. 25: 767-9. PMID 6430226 DOI: 10.1128/AAC.25.6.767  0.352
1984 Shafer WM, Martin LE, Spitznagel JK. Cationic antimicrobial proteins isolated from human neutrophil granulocytes in the presence of diisopropyl fluorophosphate. Infection and Immunity. 45: 29-35. PMID 6376359 DOI: 10.1128/Iai.45.1.29-35.1984  0.415
1979 Shafer WM, Iandolo JJ. Genetics of staphylococcal enterotoxin B in methicillin-resistant isolates of Staphylococcus aureus. Infection and Immunity. 25: 902-11. PMID 259057 DOI: 10.1128/Iai.25.3.902-911.1979  0.484
1978 Shafer WM, Iandolo JJ. Chromosomal locus for staphylococcal enterotoxin B. Infection and Immunity. 20: 273-8. PMID 669796  0.377
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