Strep Lab Publications

Below selected publications are listed according to type of Streptococcus.

Streptococcus pyogenes (group A Streptococcus)

• Mosites E, Frick A, Gounder P, Castrodale L, Li Y, Rudolph K, et al. Outbreak of invasive infections from subtype emm26.3 group A Streptococcus among homeless adults–Anchorage, Alaska, 2016–2017External. Clin Infect Dis. 2018;66(7):1068–74.
• Chochua S, Metcalf BJ, Li Z, et al. Population and whole genome sequence based characterization of invasive group A streptococci recovered in the United States during 2015.External MBio. 2017;8(5). pii: e01422–17.
• Smeesters PR, Laho D, Beall B, Steer AC, Van Beneden CA. Seasonal, geographic, and temporal trends of emm clusters associated with invasive group A streptococcal infections in US multistate surveillance.External Clin Infect Dis. 2017;64(5):694–5.
• Kobayashi M, Lyman MM, Francois Watkins LK, et al. A cluster of group A streptococcal infections in a skilled nursing facility–The potential role of healthcare worker presenteeism.External J Am Geriatr Soc. 2016;64(12):e279–84.
• Nelson GE, Pondo T, Toews KA, et al. Epidemiology of invasive group A streptococcal infections in the United States, 2005-2012.External Clin Infect Dis. 2016;63(4):478–86.
• Sanderson-Smith M, De Oliveira DM, Guglielmini J, et al. A systematic and functional classification of Streptococcus pyogenes that serves as a new tool for molecular typing and vaccine development.External J Infect Dis. 2014;210(8):1325–38.
• Athey TB, Teatero S, Li A, Marchand-Austin A, Beall BW, Fittipaldi N. Deriving group A Streptococcus typing information from short-read whole-genome sequencing data.External J Clin Microbiol. 2014;52(6):1871–6.
• Dooling KL, Crist MB, Nguyen DB, et al. Investigation of a prolonged group A streptococcal outbreak among residents of a skilled nursing facility, Georgia, 2009-2012.External Clin Infect Dis. 2013;57(11):1562–7.
• Kang SO, Wright JO, Tesorero RA, Lee H, Beall B, Cho KH. Thermoregulation of capsule production by Streptococcus pyogenes.External PLoS One. 2012;7(5):e37367.
• Jorgensen JH, McElmeel ML, Fulcher LC, et al. Collaborative evaluation of an erythromycin-clindamycin combination well for detection of inducible clindamycin resistance in beta-hemolytic streptococci by use of the CLSI broth microdilution method.External J Clin Microbiol. 2011;49(8):2884–6.
• Nir-Paz R, Korenman Z, Ron M, et al. Streptococcus pyogenes emm and T types within a decade, 1996-2005: implications for epidemiology and future vaccines.External Epidemiol Infect. 2010;138(1):53–60.
• Steer AC, Law I, Matatolu L, Beall BW, Carapetis JR. Global emm type distribution of group A streptococci: Systematic review and implications for vaccine development.External Lancet Infect Dis. 2009;9(10):611–6.
• Shulman ST, Tanz RR, Dale JB, et al. Seven-year surveillance of north American pediatric group a streptococcal pharyngitis isolates.External Clin Infect Dis. 2009;49(1):78–84.
• Lauth X, von Köckritz-Blickwede M, McNamara CW, et al. M1 protein allows group A streptococcal survival in phagocyte extracellular traps through cathelicidin inhibition.External J Innate Immun. 2009;1(3):202–14.
• Rainbow J, Jewell B, Danila RN, et al. Invasive group A streptococcal disease in nursing homes, Minnesota, 1995-2006.External Emerg Infect Dis. 2008;14(5):772–7.
• Woodbury RL, Klammer K, Xiong Y, et al. 2008. Plasmid-borne erm(T) from invasive, macrolide resistant Streptococcus pyogenes strainsExternal. Antimicrob Agents Chemother. 2008; 52(3):1140–3.

Streptococcus pneumoniae

• Verani JR, Massora S, Acácio S, et al. Nasopharyngeal carriage of Streptococcus pneumoniae among HIV-infected and -uninfected children <5 years of age before introduction of pneumococcal conjugate vaccine in Mozambique.External PLoS One. 2018;13:e0191113.
• Sigaúque B, Verani JR, Massora S, et al. Burden of invasive pneumococcal disease among children in rural Mozambique: 2001-2012.External PLoS One. 2018;13:e0190687.
• Kambiré D, Soeters HM, Ouédraogo-Traoré R, et al. Early impact of 13-valent pneumococcal conjugate vaccine on pneumococcal meningitis-Burkina Faso, 2014-2015.External J Infect. 2018;76:270–9.
• Link-Gelles R, Westreich D, Aiello AE, et al. Generalisability of vaccine effectiveness estimates: an analysis of cases included in a postlicensure evaluation of 13-valent pneumococcal conjugate vaccine in the USA.External BMJ Open. 2017;7:e017715.
• Hawkins PA, Akpaka PE, Nurse-Lucas M, et al. Antimicrobial resistance determinants and susceptibility profiles of pneumococcal isolates recovered in Trinidad and Tobago.External J Glob Antimicrob Resist. 2017;11:148–51.
• Li Y, Metcalf BJ, Chochua S, et al. Validation of β-lactam minimum inhibitory concentration predictions for pneumococcal isolates with newly encountered penicillin binding protein (PBP) sequences.External BMC Genomics. 2017;18(1):621.
• Hawkins P, Mercado E, Chochua S, et al. Key features of invasive pneumococcal isolates recovered in Lima, Peru determined through whole genome sequencing.External Int J Med Microbiol. 2017;307(7):415–21.
• Chochua S, Metcalf BJ, Li Z, Walker H, Tran T, McGee L, Beall B. Invasive serotype 35B pneumococci including an expanding serotype switch lineage, United States, 2015-2016.External Emerg Infect Dis. 2017;23(6):922–30.
• Kobayashi M, Misegades L, Fleming-Dutra KE, et al. Pneumococcal serotype 5 colonization prevalence among newly arrived unaccompanied children 1 year after an outbreak-Texas, 2015.External Pediatr Infect Dis J. 2017;36(2):236–8.
• Cornick JE, Tastan Bishop Ö, Yalcin F, et al. The global distribution and diversity of protein vaccine candidate antigens in the highly virulent Streptococcus pneumoniae serotype 1.External Vaccine. 2017;35(6):972–80.
• Kobayashi M, Conklin LM, Bigogo G, et al. Pneumococcal carriage and antibiotic susceptibility patterns from two cross-sectional colonization surveys among children aged <5 years prior to the introduction of 10-valent pneumococcal conjugate vaccine – Kenya, 2009-2010.External BMC Infect Dis. 2017;17(1):25.
• Andam CP, Mitchell PK, Callendrello A, et al. Genomic epidemiology of penicillin non-susceptible pneumococci with non-vaccine serotypes causing invasive disease in the USA.External J Clin Microbiol. 2017;55(4):1104–15.
• Metcalf BJ, Chochua S, Gertz RE Jr, et al. Using whole genome sequencing to identify resistance determinants and predict antimicrobial resistance phenotypes for year 2015 invasive pneumococcal disease isolates recovered in the United States.External Clin Microbiol Infect. 2016;22(12):1002.e1–8.
• Link-Gelles R, Westreich D, Aiello AE, et al. Bias with respect to socioeconomic status: A closer look at zip code matching in a pneumococcal vaccine effectiveness study.External SSM Popul Health. 2016;2:587–94.
• Kambiré D, Soeters HM, Ouédraogo-Traoré R, et al. Nationwide trends in bacterial meningitis before the introduction of 13-valent pneumococcal conjugate vaccine—Burkina Faso, 2011–2013.External PLoS One. 2016;11(11):e0166384.
• Chaguza C, Cornick JE, Harris SR, et al. Understanding pneumococcal serotype 1 biology through population genomic analysis.External BMC Infect Dis. 2016;16(1):649.
• Pinto TC, Kegele FC, Dias CA, et al. Streptococcus pneumoniae serotypes 9 and 14 circulating in Brazil over a 23-year period prior to introduction of the 10-valent pneumococcal conjugate vaccine: Role of international clones in the evolution of antimicrobial resistance and description of a novel genotype.External Antimicrob Agents Chemother. 2016;60(11):6664–72.
• Hampton LM, Bigogo G, Jagero G, et al. Evaluation of urine pneumococcal antigen test performance among adults in Western Kenya.External Diagn Microbiol Infect Dis. 2016;85(4):405–8.
• Caierão J, Sant’Anna FH, Hawkins P, et al. Characteristics of serogroup 20 S. pneumoniae isolates from Brazil.External BMC Infect Dis. 2016;16(1):418.
• Tomczyk S, Arriola CS, Beall B, et al. Multistate outbreak of respiratory infections among unaccompanied children, June 2014-July 2014.External Clin Infect Dis. 2016;63(1):48–56.
• Kim L, McGee L, Tomczyk S, Beall B. Biological and epidemiological features of antibiotic-resistant Streptococcus pneumoniae in re- and post-conjugate vaccine eras: a United States erspective.External Clin Microbiol Rev. 2016;29(3):525–52.
• Li Y, Metcalf BJ, Chochua S, et al. Penicillin-binding protein transpeptidase signatures for tracking and predicting β-Lactam resistance levels in Streptococcus pneumoniae.External MBio. 2016;7(3). pii: e00756–16.
• Keenan JD, Sahlu I, McGee L, et al. Nasopharyngeal pneumococcal serotypes before and after mass azithromycin distributions for trachoma.External J Pediatric Infect Dis Soc. 2016;5(2):222–6.
• Tomczyk S, Lynfield R, Schaffner W, et al. Prevention of antibiotic-nonsusceptible invasive pneumococcal disease with the 13-valent pneumococcal conjugate vaccine.External Clin Infect Dis. 2016;62(9):1119–25.
• du Plessis M, Allam M, Tempia S, et al. Phylogenetic analysis of invasive serotype 1 Pneumococcus in South Africa, 1989 to 2013.External J Clin Microbiol. 2016;54(5):1326–34.
• Moore MR, Link-Gelles R, Schaffner W, et al. Effectiveness of 13-valent pneumococcal conjugate vaccine for prevention of invasive pneumococcal disease in children in the USA: a matched case-control study.External Lancet Respir Med. 2016;4(5):399–406.
• Nurse-Lucas M, McGee L, Hawkins PA, Swanston WH, Akpaka PE. Serotypes and genotypes of Streptococcus pneumoniae isolates from Trinidad and Tobago.External Int J Infect Dis. 2016;46:100–6.
• Moïsi JC, Moore M, Carvalho Mda G, et al. Enhanced diagnosis of pneumococcal bacteremia ssing antigen- and molecular-based tools on blood specimens in Mali and Thailand: A prospective surveillance study.External Am J Trop Med Hyg. 2016;94(2):267–75.
• Menezes AP, Azevedo J, Leite MC, et al. Nasopharyngeal carriage of Streptococcus pneumoniae among children in an urban setting in Brazil prior to PCV10 introduction.External Vaccine. 2016;34(6):791–7.
• Conklin LM, Bigogo G, Jagero G, et al. High Streptococcus pneumoniae colonization prevalence among HIV-infected Kenyan parents in the year before pneumococcal conjugate vaccine introduction.External BMC Infect Dis. 20166;16:18.
• Metcalf BJ, Gertz RE Jr, Gladstone RA, et al. Strain features and distributions in pneumococci from children with invasive disease before and after 13-valent conjugate vaccine implementation in the USA.External Clin Microbiol Infect. 2016;22(1):60.e9–29.
• Desai AP, Sharma D, Crispell EK, et al. Decline in pneumococcal nasopharyngeal carriage of vaccine serotypes after the introduction of the 13-valent pneumococcal conjugate vaccine in children in Atlanta, Georgia.External Pediatr Infect Dis J. 2015;34(11):1168–74.
• dos Santos MS, Azevedo J, Menezes AP, et al. Temporal trends and clonal diversity of penicillin non-susceptible pneumococci from meningitis cases from 1996 to 2012, in Salvador, Brazil.External BMC Infect Dis. 2015;15:302.
• Hawkins PA, Chochua S, Jackson D, Beall B, McGee L. Mobile elements and chromosomal changes associated with MLS resistance phenotypes of invasive pneumococci recovered in the United States.External Microb Drug Resist. 2015;21(2):121–9.
• Keenan JD, Klugman KP, McGee L, et al. Evidence for clonal expansion after antibiotic selection pressure: pneumococcal multilocus sequence types before and after mass azithromycin treatments.External J Infect Dis. 2015;211(6):988–94.
• Moore MR, Link-Gelles R, Schaffner W, et al. Effect of use of 13-valent pneumococcal conjugate vaccine in children on invasive pneumococcal disease in children and adults in the USA: analysis of multisite, population-based surveillance.External Lancet Infect Dis. 2015;15(3):301–9.

Streptococcus agalactiae (group B Streptococcus)

• Sigaúque B, Kobayashi M, Vubil D, et al. Invasive bacterial disease trends and characterization of group B streptococcal isolates among young infants in southern Mozambique, 2001-2015.External PLoS One. 2018;13:e0191193.
• Buser GL, Mató S, Zhang AY, Metcalf BJ, Beall B, Thomas AR. Notes from the field: Late-onset infant group B Streptococcus infection associated with maternal consumption of capsules containing dehydrated placenta – Oregon, 2016.External MMWR Morb Mortal Wkly Rep. 2017;66(25):677–8.
• Hawkins PA, Law CS, Metcalf BJ, et al. Cross-resistance to lincosamides, streptogramins A and pleuromutilins in Streptococcus agalactiae isolates from the USA.External J Antimicrob Chemother. 2017;72(7):1886–92.
• Metcalf B, Chochua, S, Gertz R, et al. Short-read whole genome sequencing for determination of antimicrobial resistance mechanisms and capsular serotypes of current invasive Streptococcus agalactiae recovered in the United StatesExternal. Clin Microbiol Infect. 2017;23(8):574.e7–14.
• Srinivasan V, Metcalf BJ, Knipe KM, et al. vanG element insertions within a conserved chromosomal site conferring vancomycin resistance to Streptococcus agalactiae and Streptococcus anginosusExternal. MBio. 2014;5(4):e01386–14.
• Verani JR, Spina NL, Lynfield R, et al. Early-onset group B streptococcal disease in the United States: potential for further reduction.External Obstet Gynecol. 2014;123(4):828–37.
• Diaz MH, Waller JL, Napoliello RA, et al. Optimization of multiple pathogen detection using the TaqMan Array Card: Application for a population-based study of neonatal infection.External PLoS One. 2013;8(6):e66183.
• Jorgensen JH, McElmeel ML, Fulcher LC, et al. Collaborative evaluation of an erythromycin-clindamycin combination well for detection of inducible clindamycin resistance in beta-hemolytic streptococci by use of the CLSI broth microdilution method.External J Clin Microbiol. 2011;49(8):2884–6.
• Verani JR, McGee L, Schrag SJ. Prevention of perinatal group B streptococcal disease–revised guidelines from CDC, 2010.External MMWR Recomm Rep. 2010;59(RR-10):1–36.
• Dahesh S, Hensler ME, Van Sorge NM, et al. Point mutation in the group B streptococcal pbp2x gene conferring decreased susceptibility to beta-lactam antibioticsExternal. Antimicrob Agents Chemother.External 2008;52(8):2915–8.

Other Streptococci

• Srinivasan V, McGee L, Njanpop-Lafourcade BM, Moïsi J, Beall B. Species-specific real-time PCR assay for the detection of Streptococcus suis from clinical specimens.External Diagn Microbiol Infect Dis. 2016;85(2):131–2.
• Shewmaker PL, Whitney AM, Humrighouse BW. Phenotypic, genotypic, and antimicrobial characteristics of Streptococcus halichoeri isolates from humans, proposal to rename Streptococcus halichoeri as Streptococcus halichoeri subsp. halichoeri, and description of Streptococcus halichoeri subsp. hominis subsp. nov., a bacterium associated with human clinical infections.External J Clin Microbiol. 2016;54(3):739–44.
• Gruszynski K, Young A, Levine SJ, et al. Streptococcus equi subsp. zooepidemicus infections associated with guinea pigs.External Emerg Infect Dis. 2015;21(1):156–8.
• Srinivasan V, Gertz RE Jr, Shewmaker PL, et al. Using PCR-based detection and genotyping to trace Streptococcus salivarius meningitis outbreak strain to oral flora of radiology physician assistant.External PLoS One. 2012;7(2):e32169.
• Counihan-Edgar KL, Gill VA, Doroff AM, et al. Genotypic characterization of Streptococcus infantarius subsp. coli isolates from sea otters with infective endocarditis and/or septicemia and from environmental mussel samples.External J Clin Microbiol. 2012;50(12):4131–3.
• Shewmaker PL, Steigerwalt AG, Whitney AM, et al. Evaluation of methods for identification and determination of the taxonomic status of strains belonging to the Streptococcus porcinus-Streptococcus pseudoporcinus complex isolated from animal, human, and dairy sources.External J Clin Microbiol. 2012;50(11):3591–7
• Shewmaker PL, Gertz RE Jr, Kim CY, et al. Streptococcus salivarius meningitis case strain traced to oral flora of anesthesiologist.External J Clin Microbiol. 2010;48(7):2589–91.