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B. Metcalf · SciRah

Researcher profile · Semantic Scholar

B. Metcalf

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B. Metcalf — researcher profile on SciRah

h-index: 23
Works: 48
Citations: 1,876

Most-cited papers

Strain features and distributions in pneumococci from children with invasive disease before and after 13-valent conjugate vaccine implementation in the USA
B. Metcalf, R. Gertz, R. Gladstone, H. Walker +13 more
2016Clinical Microbiology and Infection198 citations Open access
Semantic Scholar
Penicillin-Binding Protein Transpeptidase Signatures for Tracking and Predicting β-Lactam Resistance Levels in Streptococcus pneumoniae
Yuan Li, B. Metcalf, S. Chochua, Zhong-Ya Li +7 more
2016mBio168 citations Open access
Semantic Scholar
Short-read whole genome sequencing for determination of antimicrobial resistance mechanisms and capsular serotypes of current invasive Streptococcus agalactiae recovered in the USA.
B. Metcalf, S. Chochua, R. Gertz, P. Hawkins +62 more
2017Clinical Microbiology and Infection151 citations Open access
Semantic Scholar
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.
B. Metcalf, S. Chochua, R. Gertz, Zhong-Ya Li +58 more
2016Clinical Microbiology and Infection131 citations Open access
Semantic Scholar
Population and Whole Genome Sequence Based Characterization of Invasive Group A Streptococci Recovered in the United States during 2015
S. Chochua, B. Metcalf, Zhong-Ya Li, J. Rivers +8 more
2017mBio120 citations Open access
Semantic Scholar
Cloning of genes encoding a 15,000-dalton peptidoglycan-associated outer membrane lipoprotein and an antigenically related 15,000-dalton protein from Haemophilus influenzae
R. A. Deich, B. Metcalf, C. W. Finn, J. Farley +1 more
1988Journal of Bacteriology103 citations Open access
Semantic Scholar
Global emergence and population dynamics of divergent serotype 3 CC180 pneumococci
T. Azarian, Patrick K. Mitchell, M. Georgieva, C. Thompson +23 more
2018bioRxiv100 citations Open access
Semantic Scholar
Validation of β-lactam minimum inhibitory concentration predictions for pneumococcal isolates with newly encountered penicillin binding protein (PBP) sequences
Yuan Li, B. Metcalf, S. Chochua, Zhong-Ya Li +6 more
2017BMC Genomics87 citations Open access
Semantic Scholar
Visualizing variation within Global Pneumococcal Sequence Clusters (GPSCs) and country population snapshots to contextualize pneumococcal isolates
R. Gladstone, Stephanie W. Lo, R. Goater, C. Yeats +38 more
2020Microbial Genomics59 citations Open access
Semantic Scholar
vanG Element Insertions within a Conserved Chromosomal Site Conferring Vancomycin Resistance to Streptococcus agalactiae and Streptococcus anginosus
V. Srinivasan, B. Metcalf, Kristen M. Knipe, Mahamoudou Ouattara +12 more
2014mBio57 citations Open access
Semantic Scholar
Invasive Serotype 35B Pneumococci Including an Expanding Serotype Switch Lineage, United States, 2015–2016
S. Chochua, B. Metcalf, Zhong-Ya Li, H. Walker +3 more
2017Emerging Infectious Diseases55 citations Open access
Semantic Scholar
Multistate population and whole genome sequence-based strain surveillance of invasive pneumococci recovered in the USA during 2017
Jasmine Varghese, S. Chochua, Theresa Tran, H. Walker +8 more
2019Clinical Microbiology and Infection50 citations Open access
Semantic Scholar
Antigenic conservation of the 15,000-dalton outer membrane lipoprotein PCP of Haemophilus influenzae and biologic activity of anti-PCP antisera
Robert A. Deich, A. Anilionis, J. Fulginiti, B. Metcalf +4 more
1990Infection and Immunity49 citations Open access
Semantic Scholar
Upsurge of Conjugate Vaccine Serotype 4 Invasive Pneumococcal Disease Clusters Among Adults Experiencing Homelessness in California, Colorado, and New Mexico
B. Beall, H. Walker, Theresa Tran, Zhong-Ya Li +8 more
2020Journal of Infectious Diseases47 citations Open access
Semantic Scholar
Notes from the Field: Late-Onset Infant Group B Streptococcus Infection Associated with Maternal Consumption of Capsules Containing Dehydrated Placenta — Oregon, 2016
G. Buser, S. Mato, Alexia Y. Zhang, B. Metcalf +2 more
2017MMWR. Morbidity and mortality weekly report47 citations Open access
Semantic Scholar
Cross-resistance to lincosamides, streptogramins A and pleuromutilins in Streptococcus agalactiae isolates from the USA
P. Hawkins, C. Law, B. Metcalf, S. Chochua +5 more
2017Journal of Antimicrobial Chemotherapy43 citations Open access
Semantic Scholar
A Population-Based Descriptive Atlas of Invasive Pneumococcal Strains Recovered Within the U.S. During 2015–2016
B. Beall, S. Chochua, R. Gertz, Yuan Li +7 more
2018Frontiers in Microbiology40 citations Open access
Semantic Scholar
Genomic Surveillance of Streptococcus pyogenes Strains Causing Invasive Disease, United States, 2016–2017
Yuan Li, J. Rivers, S. Mathis, Zhong-Ya Li +9 more
2020Frontiers in Microbiology39 citations Open access
Semantic Scholar
Genome-wide association analyses of invasive pneumococcal isolates identify a missense bacterial mutation associated with meningitis
Yuan Li, B. Metcalf, S. Chochua, Zhong-Ya Li +7 more
2019Nature Communications38 citations Open access
Semantic Scholar
Invasive Group A Streptococcal Penicillin Binding Protein 2× Variants Associated with Reduced Susceptibility to β-Lactam Antibiotics in the United States, 2015–2021
S. Chochua, B. Metcalf, Zhong-Ya Li, S. Mathis +6 more
2022Antimicrobial Agents and Chemotherapy32 citations Open access
Semantic Scholar
Emergent Invasive Group A Streptococcus dysgalactiae subsp. equisimilis, United States, 2015–2018
S. Chochua, J. Rivers, S. Mathis, Zhong-Ya Li +6 more
2019Emerging Infectious Diseases32 citations Open access
Semantic Scholar
Expansion of Invasive Group A Streptococcus M1UK Lineage in Active Bacterial Core Surveillance, United States, 2019‒2021
Yuan Li, J. Rivers, S. Mathis, Zhong-Ya Li +6 more
2023Emerging Infectious Diseases31 citations Open access
Semantic Scholar
Continued Increase of Erythromycin Nonsusceptibility and Clindamycin Nonsusceptibility Among Invasive Group A Streptococci Driven by Genomic Clusters, United States, 2018–2019
Yuan Li, J. Rivers, S. Mathis, Zhong-Ya Li +6 more
2022Clinical Infectious Diseases30 citations Open access
Semantic Scholar
International links between Streptococcus pneumoniae vaccine serotype 4 sequence type (ST) 801 in Northern European shipyard outbreaks of invasive pneumococcal disease
R. Gladstone, L. Siira, O. Brynildsrud, D. Vestrheim +98 more
2022Vaccine23 citations Open access
Semantic Scholar
Impact of pneumococcal conjugate vaccines on invasive pneumococcal disease-causing lineages among South African children
Cebile Lekhuleni, K. Ndlangisa, R. Gladstone, S. Chochua +17 more
2024Nature Communications21 citations Open access
Semantic Scholar
Yeasts from exudates ofQuercus, Ulmus, Populus, andPseudotsuga: New isolations and elucidation of some factors affecting ecological specificity
M. Lachance, B. Metcalf, W. T. Starmer
1982Microbial Ecology21 citations
Semantic Scholar
Low but Increasing Prevalence of Reduced Beta-lactam Susceptibility Among Invasive Group B Streptococcal Isolates, US Population-Based Surveillance, 1998-2018.
Miwako Kobayashi, L. McGee, S. Chochua, M. Apostol +12 more
2020Open Forum Infectious Diseases20 citations Open access
Semantic Scholar
Invasive Pneumococcal Strain Distributions and Isolate Clusters Associated With Persons Experiencing Homelessness During 2018
B. Metcalf, S. Chochua, H. Walker, Theresa Tran +8 more
2020Clinical Infectious Diseases18 citations Open access
Semantic Scholar
A mosaic tetracycline resistance gene tet(S/M) detected in an MDR pneumococcal CC230 lineage that underwent capsular switching in South Africa
Stephanie W. Lo, R. Gladstone, A. V. van Tonder, M. du Plessis +24 more
2019Journal of Antimicrobial Chemotherapy17 citations Open access
Semantic Scholar
Genomic Characterization of Group A Streptococci Causing Pharyngitis and Invasive Disease in Colorado, USA, June 2016– April 2017
Yuan Li, Samuel R Dominguez, S. Nanduri, J. Rivers +8 more
2021Journal of Infectious Diseases14 citations Open access
Semantic Scholar
Serotype-Switch Variant of Multidrug-Resistant Streptococcus pneumoniae Sequence Type 271
E. Scherer, B. Beall, B. Metcalf
2021Emerging Infectious Diseases14 citations Open access
Semantic Scholar
Benchmark datasets for SARS-CoV-2 surveillance bioinformatics
L. Xiaoli, J. Hagey, Daniel J. Park, C. Gulvik +22 more
2022PeerJ8 citations Open access
Semantic Scholar
Key features of invasive pneumococcal isolates recovered in Lima, Peru determined through whole genome sequencing
P. Hawkins, E. Mercado, S. Chochua, M. Castillo +9 more
2017International Journal of Medical Microbiology8 citations Open access
Semantic Scholar
Genomic cluster formation among invasive group A streptococcal infections in the USA: a whole-genome sequencing and population-based surveillance study
Yuan Li, J. Rivers, S. Mathis, Zhong-Ya Li +4 more
2024The Lancet Microbe3 citations Open access
Semantic Scholar
A novel invasive Streptococcus pyogenes variant sublineage derived through recombinational replacement of the emm12 genomic region
Y. Unoarumhi, Morgan L. Davis, Lori A. Rowe, S. Mathis +7 more
2023Scientific Reports3 citations Open access
Semantic Scholar
Two Independent Acquisitions of Multidrug Resistance Gene lsaC in Streptococcus pneumoniae Serotype 20 Multilocus Sequence Type 1257
B. Beall, Wuling Lin, Zhong-Ya Li, Theresa Tran +5 more
2025Emerging Infectious Diseases2 citations Open access
Semantic Scholar
A novel mosaic tetracycline resistance gene tet(S/M) detected in a multidrug-resistant pneumococcal CC230 lineage that underwent capsular switching in South Africa
Stephanie W. Lo, R. Gladstone, A. V. van Tonder, M. du Plessis +24 more
2019bioRxiv1 citations Open access
Semantic Scholar
The rise and spread of invasive emm49 Streptococcus pyogenes in the USA
B. Metcalf, S. Nanduri, Yuan Li, Zhong-Ya Li +6 more
2026Microbial Genomics0 citations
Semantic Scholar
Antimicrobial resistance trends and lineage distribution among invasive pneumococcal disease isolates pre- and post-pneumococcal conjugate vaccine introduction, South Africa.
Cebile Lekhuleni, K. Ndlangisa, L. De Gouveia, S. Chochua +16 more
2026Journal of Infection0 citations Open access
Semantic Scholar
lsaC and Tandem lsaE-lnuB Resistance Genes in Invasive Group A Streptococcus
B. Beall, S. Mathis, Zhong-Ya Li, J. Rivers +4 more
2026Emerging Infectious Diseases0 citations Open access
Semantic Scholar
Whole-genome sequencing-based pathogen characterization for streptococcal infection directly from positive blood culture samples
Yuan Li, Wuling Lin, Zhong-Ya Li, Theresa Tran +8 more
2025Journal of Clinical Microbiology0 citations Open access
Semantic Scholar
Presentation_1_Genomic Surveillance of Streptococcus pyogenes Strains Causing Invasive Disease, United States, 2016–2017.pdf
Yuan Li, J. Rivers, S. Mathis, Zhong-Ya Li +9 more
20200 citations Open access
Semantic Scholar
for determination of antimicrobial resistance mechanisms and capsular serotypes of current invasive Streptococcus agalactiae recovered in the United States . Running title : DNA sequence based antimicrobial susceptibility and capsular serotype predictions
B. Metcalf, S. Chochua, R. Gertz, P. Hawkins +11 more
20170 citations
Semantic Scholar
New immunogenic compositions for preventing and treating a meningococcal disease
G. Zlotnick, L. Fletcher, J. Farley, Liesel A. Bernfield +2 more
20020 citations
Semantic Scholar
Chlamydia pneumoniae genomic sequences and polypeptides, fragments and applications thereof for proof, prevention and healing
L. Fletcher, R. Griffais, S. Hoiseth, B. Metcalf +3 more
19980 citations
Semantic Scholar
genomic sequence and polypeptides of Chlamydia pneumoniae, fragments thereof and use thereof, particularly for diagnosis, prevention and treatment of infection.
L. Fletcher, R. Griffais, S. Hoiseth, B. Metcalf +3 more
19980 citations
Semantic Scholar
Chlamydia pneumoniae genomic sequences and polypeptides, fragments and applications of it for proof, prevention and cure
R. Griffais, S. Hoiseth, R. Zagursky, B. Metcalf +3 more
19980 citations
Semantic Scholar
The method plasmid and the micro-organism for the production of diphtheria toxin or a cross-reactive protein CRM
B. Metcalf
19940 citations
Semantic Scholar

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