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Multistate, population-based distributions of candidate vaccine targets, clonal complexes, and resistance features of invasive Group B Streptococci within the US: 2015-2017.

McGee L, Chochua S, Li Z, Mathis S, Rivers J, Metcalf B, Ryan A, Alden N, Farley MM, Harrison LH, Snippes Vagnone P, Lynfield R, Smelser C, Muse A, Thomas AR, Schrag S, Beall BW.

Clin Infect Dis. 2020 Feb 15. pii: ciaa151. doi: 10.1093/cid/ciaa151. [Epub ahead of print]


Genome-wide association analyses of invasive pneumococcal isolates identify a missense bacterial mutation associated with meningitis.

Li Y, Metcalf BJ, Chochua S, Li Z, Walker H, Tran T, Hawkins PA, Gierke R, Pilishvili T, McGee L, Beall BW.

Nat Commun. 2019 Jan 14;10(1):178. doi: 10.1038/s41467-018-07997-y.


Epidemiology of Invasive Early-Onset and Late-Onset Group B Streptococcal Disease in the United States, 2006 to 2015: Multistate Laboratory and Population-Based Surveillance.

Nanduri SA, Petit S, Smelser C, Apostol M, Alden NB, Harrison LH, Lynfield R, Vagnone PS, Burzlaff K, Spina NL, Dufort EM, Schaffner W, Thomas AR, Farley MM, Jain JH, Pondo T, McGee L, Beall BW, Schrag SJ.

JAMA Pediatr. 2019 Mar 1;173(3):224-233. doi: 10.1001/jamapediatrics.2018.4826. Erratum in: JAMA Pediatr. 2019 Mar 1;173(3):296. JAMA Pediatr. 2019 May 1;173(5):502.


Molecular Epidemiology, Ecology, and Evolution of Group A Streptococci.

Bessen DE, Smeesters PR, Beall BW.

Microbiol Spectr. 2018 Sep;6(5). doi: 10.1128/microbiolspec.CPP3-0009-2018. Review.


Validation of β-lactam minimum inhibitory concentration predictions for pneumococcal isolates with newly encountered penicillin binding protein (PBP) sequences.

Li Y, Metcalf BJ, Chochua S, Li Z, Gertz RE Jr, Walker H, Hawkins PA, Tran T, McGee L, Beall BW; Active Bacterial Core surveillance team.

BMC Genomics. 2017 Aug 15;18(1):621. doi: 10.1186/s12864-017-4017-7.


Cross-resistance to lincosamides, streptogramins A and pleuromutilins in Streptococcus agalactiae isolates from the USA.

Hawkins PA, Law CS, Metcalf BJ, Chochua S, Jackson DM, Westblade LF, Jerris R, Beall BW, McGee L.

J Antimicrob Chemother. 2017 Jul 1;72(7):1886-1892. doi: 10.1093/jac/dkx077.


Genomic Epidemiology of Penicillin-Nonsusceptible Pneumococci with Nonvaccine Serotypes Causing Invasive Disease in the United States.

Andam CP, Mitchell PK, Callendrello A, Chang Q, Corander J, Chaguza C, McGee L, Beall BW, Hanage WP.

J Clin Microbiol. 2017 Apr;55(4):1104-1115. doi: 10.1128/JCM.02453-16. Epub 2017 Jan 18.


Penicillin-Binding Protein Transpeptidase Signatures for Tracking and Predicting β-Lactam Resistance Levels in Streptococcus pneumoniae.

Li Y, Metcalf BJ, Chochua S, Li Z, Gertz RE Jr, Walker H, Hawkins PA, Tran T, Whitney CG, McGee L, Beall BW.

mBio. 2016 Jun 14;7(3). pii: e00756-16. doi: 10.1128/mBio.00756-16.


A systematic and functional classification of Streptococcus pyogenes that serves as a new tool for molecular typing and vaccine development.

Sanderson-Smith M, De Oliveira DM, Guglielmini J, McMillan DJ, Vu T, Holien JK, Henningham A, Steer AC, Bessen DE, Dale JB, Curtis N, Beall BW, Walker MJ, Parker MW, Carapetis JR, Van Melderen L, Sriprakash KS, Smeesters PR; M Protein Study Group.

J Infect Dis. 2014 Oct 15;210(8):1325-38. doi: 10.1093/infdis/jiu260. Epub 2014 May 5.


Deriving group A Streptococcus typing information from short-read whole-genome sequencing data.

Athey TB, Teatero S, Li A, Marchand-Austin A, Beall BW, Fittipaldi N.

J Clin Microbiol. 2014 Jun;52(6):1871-6. doi: 10.1128/JCM.00029-14. Epub 2014 Mar 19.


Non-pneumococcal mitis-group streptococci confound detection of pneumococcal capsular serotype-specific loci in upper respiratory tract.

Carvalho Mda G, Pimenta FC, Moura I, Roundtree A, Gertz RE Jr, Li Z, Jagero G, Bigogo G, Junghae M, Conklin L, Feikin DR, Breiman RF, Whitney CG, Beall BW.

PeerJ. 2013 Jun 25;1:e97. doi: 10.7717/peerj.97. Print 2013.


Invasive pneumococcal disease among children with and without sickle cell disease in the United States, 1998 to 2009.

Payne AB, Link-Gelles R, Azonobi I, Hooper WC, Beall BW, Jorgensen JH, Juni B, Moore M; Active Bacterial Core Surveillance Team.

Pediatr Infect Dis J. 2013 Dec;32(12):1308-12. doi: 10.1097/INF.0b013e3182a11808.


Pneumococcal capsular switching: a historical perspective.

Wyres KL, Lambertsen LM, Croucher NJ, McGee L, von Gottberg A, Liñares J, Jacobs MR, Kristinsson KG, Beall BW, Klugman KP, Parkhill J, Hakenbeck R, Bentley SD, Brueggemann AB.

J Infect Dis. 2013 Feb 1;207(3):439-49. doi: 10.1093/infdis/jis703. Epub 2012 Nov 21. Erratum in: J Infect Dis. 2013 Oct 1;208(7):1187.


The multidrug-resistant PMEN1 pneumococcus is a paradigm for genetic success.

Wyres KL, Lambertsen LM, Croucher NJ, McGee L, von Gottberg A, Liñares J, Jacobs MR, Kristinsson KG, Beall BW, Klugman KP, Parkhill J, Hakenbeck R, Bentley SD, Brueggemann AB.

Genome Biol. 2012 Nov 16;13(11):R103. doi: 10.1186/gb-2012-13-11-r103.


Outbreak of bacterial meningitis among patients undergoing myelography at an outpatient radiology clinic.

Chitnis AS, Guh AY, Benowitz I, Srinivasan V, Gertz RE Jr, Shewmaker PL, Beall BW, O'Connell H, Noble-Wang J, Gornet MF, Van Beneden C, Patrick SL, Turabelidze G, Patel PR.

J Am Coll Radiol. 2012 Mar;9(3):185-90. doi: 10.1016/j.jacr.2011.09.018.


Invasive pneumococcal disease and pandemic (H1N1) 2009, Denver, Colorado, USA.

Nelson GE, Gershman KA, Swerdlow DL, Beall BW, Moore MR.

Emerg Infect Dis. 2012 Feb;18(2):208-16. doi: 10.3201/eid1802.110714.


Molecular epidemiological investigation to determine the source of a fatal case of serotype 22F pneumococcal meningitis.

Lamaro-Cardoso J, de Lemos AP, Carvalho Mda G, Pimenta FC, Roundtree A, Motta L, Vieira MA, Sgambatti S, Thörn LK, Pessoa-Junior V, Minamisava R, Harrison LH, Beall BW, Brandileone MC, Andrade AL.

J Med Microbiol. 2012 May;61(Pt 5):686-92. doi: 10.1099/jmm.0.040790-0. Epub 2012 Jan 27.


Clinical outcome of pneumococcal meningitis during the emergence of pencillin-resistant Streptococcus pneumoniae: an observational study.

Gouveia EL, Reis JN, Flannery B, Cordeiro SM, Lima JB, Pinheiro RM, Salgado K, Mascarenhas AV, Carvalho MG, Beall BW, Reis MG, Ko AI.

BMC Infect Dis. 2011 Nov 21;11:323. doi: 10.1186/1471-2334-11-323.


Quadriplex real-time polymerase chain reaction (lytA, mef, erm, pbp2b(wt)) for pneumococcal detection and assessment of antibiotic susceptibility.

Srinivasan V, du Plessis M, Beall BW, McGee L.

Diagn Microbiol Infect Dis. 2011 Dec;71(4):453-6. doi: 10.1016/j.diagmicrobio.2011.08.017. Epub 2011 Oct 11.


Streptococcus pneumoniae serotype 9A isolates contain diverse mutations to wcjE that result in variable expression of serotype 9V-specific epitope.

Calix JJ, Oliver MB, Sherwood LK, Beall BW, Hollingshead SK, Nahm MH.

J Infect Dis. 2011 Nov 15;204(10):1585-95. doi: 10.1093/infdis/jir593. Epub 2011 Sep 9.


Geographic variation in invasive pneumococcal disease following pneumococcal conjugate vaccine introduction in the United States.

Rosen JB, Thomas AR, Lexau CA, Reingold A, Hadler JL, Harrison LH, Bennett NM, Schaffner W, Farley MM, Beall BW, Moore MR; CDC Emerging Infections Program Network.

Clin Infect Dis. 2011 Jul 15;53(2):137-43. doi: 10.1093/cid/cir326.


Serotype and genotype distributions of pneumococcal carriage isolates recovered from Brazilian children attending day-care centres.

Pimenta FC, Carvalho Mda G, Gertz RE Jr, Bastos-Rocha CG, Oliveira LS, Lacerda Pigosso L, Lima JA, Marquez Franco C, Andrade AL, Beall BW.

J Med Microbiol. 2011 Oct;60(Pt 10):1455-9. doi: 10.1099/jmm.0.031450-0. Epub 2011 Jun 2.


Application of TaqMan low-density arrays for simultaneous detection of multiple respiratory pathogens.

Kodani M, Yang G, Conklin LM, Travis TC, Whitney CG, Anderson LJ, Schrag SJ, Taylor TH Jr, Beall BW, Breiman RF, Feikin DR, Njenga MK, Mayer LW, Oberste MS, Tondella ML, Winchell JM, Lindstrom SL, Erdman DD, Fields BS.

J Clin Microbiol. 2011 Jun;49(6):2175-82. doi: 10.1128/JCM.02270-10. Epub 2011 Apr 6.


Laboratory-based diagnosis of pneumococcal pneumonia: state of the art and unmet needs.

Vernet G, Saha S, Satzke C, Burgess DH, Alderson M, Maisonneuve JF, Beall BW, Steinhoff MC, Klugman KP.

Clin Microbiol Infect. 2011 May;17 Suppl 3:1-13. doi: 10.1111/j.1469-0691.2011.03496.x.


Shifting genetic structure of invasive serotype 19A pneumococci in the United States.

Beall BW, Gertz RE, Hulkower RL, Whitney CG, Moore MR, Brueggemann AB.

J Infect Dis. 2011 May 15;203(10):1360-8. doi: 10.1093/infdis/jir052. Epub 2011 Mar 11.


Serotype distribution and antimicrobial resistance of Streptococcus pneumoniae prior to introduction of the 10-valent pneumococcal conjugate vaccine in Brazil, 2000-2007.

de O Menezes AP, Campos LC, dos Santos MS, Azevedo J, Dos Santos RC, Carvalho Mda G, Beall BW, Martin SW, Salgado K, Reis MG, Ko AI, Reis JN.

Vaccine. 2011 Feb 1;29(6):1139-44. doi: 10.1016/j.vaccine.2010.12.021. Epub 2010 Dec 21.


Pre- and post-conjugate vaccine epidemiology of pneumococcal serotype 6C invasive disease and carriage within Navajo and White Mountain Apache communities.

Millar EV, Pimenta FC, Roundtree A, Jackson D, Carvalho Mda G, Perilla MJ, Reid R, Santosham M, Whitney CG, Beall BW, O'Brien KL.

Clin Infect Dis. 2010 Dec 1;51(11):1258-65. doi: 10.1086/657070. Epub 2010 Oct 29.


High rate of pneumococcal bacteremia in a prospective cohort of older children and adults in an area of high HIV prevalence in rural western Kenya.

Feikin DR, Jagero G, Aura B, Bigogo GM, Oundo J, Beall BW, Karani A, Morpeth S, Njenga MK, Breiman RF.

BMC Infect Dis. 2010 Jun 23;10:186. doi: 10.1186/1471-2334-10-186.


Streptococcus salivarius meningitis case strain traced to oral flora of anesthesiologist.

Shewmaker PL, Gertz RE Jr, Kim CY, de Fijter S, DiOrio M, Moore MR, Beall BW.

J Clin Microbiol. 2010 Jul;48(7):2589-91. doi: 10.1128/JCM.00426-10. Epub 2010 May 26.


Serotype-specific typing antisera for pneumococcal serogroup 6 serotypes 6A, 6B, and 6C.

Melnick N, Thompson TA, Beall BW.

J Clin Microbiol. 2010 Jun;48(6):2311-2. doi: 10.1128/JCM.00410-10. Epub 2010 Apr 7. No abstract available.


Revisiting pneumococcal carriage by use of broth enrichment and PCR techniques for enhanced detection of carriage and serotypes.

da Gloria Carvalho M, Pimenta FC, Jackson D, Roundtree A, Ahmad Y, Millar EV, O'Brien KL, Whitney CG, Cohen AL, Beall BW.

J Clin Microbiol. 2010 May;48(5):1611-8. doi: 10.1128/JCM.02243-09. Epub 2010 Mar 10.


Increased penicillin nonsusceptibility of nonvaccine-serotype invasive pneumococci other than serotypes 19A and 6A in post-7-valent conjugate vaccine era.

Gertz RE Jr, Li Z, Pimenta FC, Jackson D, Juni BA, Lynfield R, Jorgensen JH, Carvalho Mda G, Beall BW; Active Bacterial Core Surveillance Team.

J Infect Dis. 2010 Mar;201(5):770-5.


Sustained reductions in invasive pneumococcal disease in the era of conjugate vaccine.

Pilishvili T, Lexau C, Farley MM, Hadler J, Harrison LH, Bennett NM, Reingold A, Thomas A, Schaffner W, Craig AS, Smith PJ, Beall BW, Whitney CG, Moore MR; Active Bacterial Core Surveillance/Emerging Infections Program Network.

J Infect Dis. 2010 Jan 1;201(1):32-41. doi: 10.1086/648593.


Global emm type distribution of group A streptococci: systematic review and implications for vaccine development.

Steer AC, Law I, Matatolu L, Beall BW, Carapetis JR.

Lancet Infect Dis. 2009 Oct;9(10):611-6. doi: 10.1016/S1473-3099(09)70178-1. Review.


Prevalence of Streptococcus pneumoniae serotype 6C among invasive and carriage isolates in metropolitan Salvador, Brazil, from 1996 to 2007.

Campos LC, Carvalho Mda G, Beall BW, Cordeiro SM, Takahashi D, Reis MG, Ko AI, Reis JN.

Diagn Microbiol Infect Dis. 2009 Oct;65(2):112-5. doi: 10.1016/j.diagmicrobio.2009.06.020. Epub 2009 Aug 25.


Rarely occurring 19A-like cps locus from a serotype 19F pneumococcal isolate indicates continued need of serology-based quality control for PCR-based serotype determinations.

Pimenta FC, Gertz RE Jr, Roundtree A, Yu J, Nahm MH, McDonald RR, Carvalho Mda G, Beall BW.

J Clin Microbiol. 2009 Jul;47(7):2353-4. doi: 10.1128/JCM.00704-09. Epub 2009 May 13. No abstract available.


Genetic relationships deduced from emm and multilocus sequence typing of invasive Streptococcus dysgalactiae subsp. equisimilis and S. canis recovered from isolates collected in the United States.

Ahmad Y, Gertz RE Jr, Li Z, Sakota V, Broyles LN, Van Beneden C, Facklam R, Shewmaker PL, Reingold A, Farley MM, Beall BW.

J Clin Microbiol. 2009 Jul;47(7):2046-54. doi: 10.1128/JCM.00246-09. Epub 2009 Apr 22.


Effect of pneumococcal conjugate vaccine on pneumococcal meningitis.

Hsu HE, Shutt KA, Moore MR, Beall BW, Bennett NM, Craig AS, Farley MM, Jorgensen JH, Lexau CA, Petit S, Reingold A, Schaffner W, Thomas A, Whitney CG, Harrison LH.

N Engl J Med. 2009 Jan 15;360(3):244-56. doi: 10.1056/NEJMoa0800836.


PCR-based quantitation and clonal diversity of the current prevalent invasive serogroup 6 pneumococcal serotype, 6C, in the United States in 1999 and 2006 to 2007.

Carvalho Mda G, Pimenta FC, Gertz RE Jr, Joshi HH, Trujillo AA, Keys LE, Findley J, Moura IS, Park IH, Hollingshead SK, Pilishvili T, Whitney CG, Nahm MH, Beall BW; Active Bacterial Core Surveillance Team.

J Clin Microbiol. 2009 Mar;47(3):554-9. doi: 10.1128/JCM.01919-08. Epub 2008 Dec 30.


Use of silica desiccant packets for specimen storage and transport to evaluate pneumococcal nasopharyngeal carriage among Nepalese children.

Joshi HH, Gertz RE Jr, da Gloria Carvalho M, Beall BW.

J Clin Microbiol. 2008 Sep;46(9):3175-6. doi: 10.1128/JCM.00906-08. Epub 2008 Jul 2. No abstract available.


Point mutation in the group B streptococcal pbp2x gene conferring decreased susceptibility to beta-lactam antibiotics.

Dahesh S, Hensler ME, Van Sorge NM, Gertz RE Jr, Schrag S, Nizet V, Beall BW.

Antimicrob Agents Chemother. 2008 Aug;52(8):2915-8. doi: 10.1128/AAC.00461-08. Epub 2008 Jun 9.


Plasmid-Borne erm(T) from invasive, macrolide-resistant Streptococcus pyogenes strains.

Woodbury RL, Klammer KA, Xiong Y, Bailiff T, Glennen A, Bartkus JM, Lynfield R, Van Beneden C, Beall BW; Active Bacterial Core Surveillance Team.

Antimicrob Agents Chemother. 2008 Mar;52(3):1140-3. doi: 10.1128/AAC.01352-07. Epub 2008 Jan 7.


Community-based surveillance in the united states of macrolide-resistant pediatric pharyngeal group A streptococci during 3 respiratory disease seasons.

Tanz RR, Shulman ST, Shortridge VD, Kabat W, Kabat K, Cederlund E, Rippe J, Beyer J, Doktor S, Beall BW; North American Streptococcal Pharyngitis Surveillance Group.

Clin Infect Dis. 2004 Dec 15;39(12):1794-801. Epub 2004 Nov 18.


Regulation of hexuronate utilization in Bacillus subtilis.

Mekjian KR, Bryan EM, Beall BW, Moran CP Jr.

J Bacteriol. 1999 Jan;181(2):426-33.


CotM of Bacillus subtilis, a member of the alpha-crystallin family of stress proteins, is induced during development and participates in spore outer coat formation.

Henriques AO, Beall BW, Moran CP Jr.

J Bacteriol. 1997 Mar;179(6):1887-97. Erratum in: J Bacteriol 1997 Jul;179(13):4455.


cse15, cse60, and csk22 are new members of mother-cell-specific sporulation regulons in Bacillus subtilis.

Henriques AO, Bryan EM, Beall BW, Moran CP Jr.

J Bacteriol. 1997 Jan;179(2):389-98.


Cloning and initial characterization of the Bordetella pertussis fur gene.

Beall BW, Sanden GN.

Curr Microbiol. 1995 Apr;30(4):223-6.


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