Publications
Global Pneumococcal Sequencing Collection
Key features of pneumococcal isolates recovered in Central and Northwestern Russia in 2011–2018 determined through whole-genome sequencing
Distinct Streptococcus pneumoniae cause invasive disease in Papua New Guinea
Genetic background of Cambodian pneumococcal carriage isolates following pneumococcal conjugate vaccine 13
Population genomics of pneumococcal carriage in South Africa following the introduction of the 13-valent pneumococcal conjugate vaccine (PCV13) immunization
A Streptococcus pneumoniae lineage usually associated with pneumococcal conjugate vaccine (PCV) serotypes is the most common cause of serotype 35B invasive disease in South Africa, following routine use of PCV
Genomic surveillance of invasive Streptococcus pneumoniae isolates in the period pre-PCV10 and post-PCV10 introduction in Brazil
Population genetic structure, serotype distribution and antibiotic resistance of Streptococcus pneumoniae causing invasive disease in children in Argentina
Streptococcus pneumoniae genomic datasets from an Indian population describing pre-vaccine evolutionary epidemiology using a whole genome sequencing approach
2023 Journal Articles
Novel pneumococcal capsule type 33E results from the inactivation of glycosyltransferase WciE in vaccine type 33F
A global genomic perspective on the multidrug-resistant Streptococcus pneumoniae 15A-CC63 sub-lineage following pneumococcal conjugate vaccine introduction
Discovery and Characterization of Pneumococcal Serogroup 36 Capsule Subtypes, Serotypes 36A and 36B
Robust analysis of prokaryotic pangenome gene gain and loss rates with Panstripe
2022 Posters
Comparing GPSCs and Clonal complex clusters for Streptococcus pneumoniae
Emergence of a multidrug resistant and virulent Streptococcus pneumoniae lineage GPSC10/CC230 mediates serotype replacement after PCV13
Evidence of virulence and resistance in Streptococcus pneumoniae serotype 16F lineages
Genomic characterisation of Streptococcus pneumoniae vaccine serotypes pre- and post-PCV introduction in The Netherlands
Global population structure of serotype 12F pneumococci
2022 Journal Articles
Emergence of a multidrug-resistant and virulent Streptococcus pneumoniae lineage mediates serotype replacement after PCV13: an international whole-genome sequencing study
Effect of childhood vaccination and antibiotic use on pneumococcal populations and genome-wide associations with disease among children in Nepal: an observational study
International links between Streptococcus pneumoniae vaccine serotype 4 sequence type (ST) 801 in Northern European shipyard outbreaks of invasive pneumococcal disease
Widespread sharing of pneumococcal strains in a rural African setting: proximate villages are more likely to share similar strains that are carried at multiple timepoints
A new perspective on ancient Mitis group streptococcal genetics
Endocarditis Caused by Nontypeable Streptococcus pneumoniae
2021 Conference
Strain features of pneumococcal isolates in Pakistan in pre and post-PCV10 era
Diverse and distinct S. pneumoniae cause invasive disease in Papua New Guinea
Vaccine escape: emergence of a multidrug resistant and virulent Streptococcus pneumoniae lineage GPSC10/CC230 post PCV13 poses a global threat
Developing a global genomics partnership to inform pneumococcal vaccine strategy
2021 Journal Articles
Phylogeography and resistome of pneumococcal meningitis in West Africa before and after vaccine introduction
RCandy: an R package for visualizing homologous recombinations in bacterial genomes
Using genomics to examine the persistence of Streptococcus pneumoniae serotype 19A in Ireland and the emergence of a sub-clade associated with vaccine failures
Carriage Dynamics of Pneumococcal Serotypes in Naturally Colonized Infants in a Rural African Setting During the First Year of Life
Global genomic pathogen surveillance to inform vaccine strategies: a decade-long expedition in pneumococcal genomics
Emergence of a multidrug resistant and virulent Streptococcus pneumoniae lineage mediates serotype replacement after PCV13
2020 Posters
Following a decade of PCV in The Gambia should a decline in reistance be anticipated?
Predominance of clonal complex 320 among invasive Streptococcus pneumoniae serotype 19F isolates from India in pre-vaccine era
Delineating the perturbation by PCV13 in composition of Streptococcus pneumoniae carriage isolates in Cambodia
Genetic diversity of cbpA among invasive Streptococcus pneumoniae isolates from India
Genetic variation associated with serotype 19A vaccine failures in Ireland
zmpB allelic variation in Streptococcus pneumoniae isolates causing meningitis in India population
Serotype, genotype and antibiotic resistance of non-vaccine type invasive pneumococcal isolates from pre-vaccine era (before 2018) - An Indian study
Global genomic epidemiology of pneumococcal serotype 2 isolated during 1989 to 2019
Molecular epidemiology of pneumococcus isolated from invasive pneumococcal diseases before introduction of PCV-10 in Bangladesh, 2002-2015
Acquisition and clearance of pneumococcal serotypes in naturally-colonised PCV-exposed Gambian infants
Antibiotic resistance patterns and phylogeography of Streptococcus pneumoniae associated with paediatric meningitis in pre- and post-PCV-introduction West and Central Africa
Spatial distance is a key determinant of pneumococcal strain sharing and the sustained carriage of shared strains
Genome analysis of invasive serotype 1 Streptococcus pneumoniae isolates from India
PCV10 impact on pneumococcal lineages isolated from healthy Nepalese children
Genome-wide association study of colonising nasopharyngeal pneumococci obtained from children in Nepal to identify genes associated with pneumonia
Genomics surveillance of invasive Streptococcus pneumoniae isolates (SPN) in Brazil, Periods pre- (2008-2009) and post-PCV10 (2012-2013) introduction
Population genetic structure, serotype distribution and antibiotic resistance of Streptococcus pneumoniae isolates collected in Moscow in 2011-2015
Streptococcus pneumoniae vaccine serotypes acquire penicillin binding protein gene mosaics from Streptococcus mitis
Genomics structure of invasive Streptococcus pneumoniae population from children under five years before and after vaccine introduction in Casablanca, Morocco.
2020 Journal Articles
Within-host microevolution of Streptococcus pneumoniae is rapid and adaptive during natural colonisation
A New Pneumococcal Capsule Type, 10D, is the 100th Serotype and Has a Large cps Fragment from an Oral Streptococcus
Bacterial genome-wide association study of hyper-virulent pneumococcal serotype 1 identifies genetic variation associated with neurotropism
Visualising variation within Global Pneumococcal Sequence Clusters (GPSCs) and country population snapshots to contextualise pneumococcal isolates
2019 Journal Articles
A mosaic tetracycline resistance gene tet(S/M) detected in an MDR pneumococcal CC230 lineage that underwent capsular switching in South Africa
Early signals of vaccine driven perturbation seen in pneumococcal carriage population genomic data
Pneumococcal lineages associated with serotype replacement and antibiotic resistance in childhood invasive pneumococcal disease in the post-PCV13 era: an international whole-genome sequencing study
Putative novel cps loci in a large global collection of pneumococci
International genomic definition of pneumococcal lineages, to contextualise disease, antibiotic resistance and vaccine impact
2018 Journal Articles
Global distribution of invasive serotype 35D Streptococcus pneumoniae post-PCV13 introduction
Global emergence and population dynamics of divergent serotype 3 CC180 pneumococci.
2018 Posters
Diversity of pneumococcal carriage in the Upper River Region of The Gambia in 2009 prior to the introduction of pneumococcal conjugate vaccines.
Molecular characterization of Streptococcus pneumoniae strains isolated from invasive disease in the pre- and post-PCV10 periods in Brazil, 2005-2015.
Global emergence and population dynamics of divergent serotype 3 CC180 pneumococci.
Longitudinal surveillance reveals high clonality of pneumococcal carriage in the first year of life in The Gambia.
Genetic diversity and distribution of pneumococcal surface lipoproteins and implications on potential protein-based vaccines.
Population genomics reveals vaccination-induced genotypic changes in carried pneumococcal population.
Genetic diversity, serotype prediction and resistotyping of nasopharyngeal isolates of S. pneumoniae from Indian Hajj pilgrims by whole genome sequencing
Defining the lineages of the pneumococcus to understand disease and vaccine impact: a multi-continent genome analysis.
Hotspots of recombination in pneumococci isolated from nepalese children prior to PCV introduction
Insights into potential PCV effects on pneumococcal lineages using whole genome sequencing.
Comparative genomic analysis of samples collected pre- and post-introduction of pneumococcal conjugate vaccine (PCV7) in Hong Kong.
A multidrug resistant pneumococcal CC230 sub-lineage harbouring a mosaic tet(S/M) gene encoding tetracycline resistance in South Africa.
Whole genome sequencing of Streptococcus pneumoniae serogroup 19 isolates before the introduction of vaccine in the National Immunization Programme of India (NIP).
Indian population genomics datasets describing the pre-vaccine evolutionary epidemiology of Streptococcus pneumoniae using a whole genome sequencing approach.
Nasopharyngeal carriage of Streptococcus pneumoniae serotype 6A/6B in Gambian infants is highly dynamic within the first year of life: a longitudinal study.
Serotype diversity and putative novel cps loci in a large, global collection of pneumococci.
Invasive Streptococcus pneumoniae serotype 35B in South Africa, 2005-2016.
Antimicrobial resistance determinants and susceptibility profiles of pneumococcal carriage isolates recovered from healthy children in Peru pre-PCV introduction.
Antibiotic resistance of Streptococcus pneumoniae causing paediatric meningitis in west and central Africa, 2007-2016.
Population structure and erythromycin resistance of Streptococcus pneumoniae isolates collected in Moscow between 2011-2015.
Understanding the links between non-invasive and invasive pneumococci in children with severe pneumonia through comparative genomics.
Hospital based surveillance of vaccine preventable pneumococcal meningitis among children <=59 months in west and central Africa, 2010 to 2016.
Continued surveillance of invasive pneumococcal disease in African countries is needed to guide optimal vaccine design.
Impact of vaccination on nasopharyngeal carriage pneumococcal genotypic diversity among children in The Gambia: a longitudinal study.
Genomic epidemiology of Streptococcus pneumoniae serotype 5 pre and post introduction of PCV13 in The Gambia.
2017 Journal Articles
Antimicrobial resistance determinants and susceptibility profiles of pneumococcal isolates recovered from Trinidad and Tobago.
Key features of invasive pneumococcal isolates recovered in Lima, Peru determined through whole genome sequencing.
Population genetic structure, antibiotic resistance, capsule switching and evolution of invasive pneumococci before conjugate vaccination in Malawi.
2017 Posters
Rapid pneumococcal evolution in response to co-trimoxazole prophylaxis in a high-HIV burden population.
2016 Journal Article
Phylogenetic analysis of invasive serotype 1 pneumococcus in South Africa, 1989 to 2013.
2016 Posters
Detection of Streptococcus pneumoniae non vaccine serotype 12F clone 989 with acquired antibiotic resistance, circulating globally.
Detection of Streptococcus pneumoniae non vaccine serotype 12F clone 989 with acquired antibiotic resistance, circulating globally.