V. Chalker

发表

Genetic Diversity of Streptococcus equi subsp. zooepidemicus and Doxycycline Resistance in Kennelled Dogs

A. Waller, K. Webb, K. Erles, 2012, Journal of Clinical Microbiology.

Resistance in Genes Associated with Species with Identification of Novel Point Ureaplasma Antibiotic Resistance in Concurrent Titration and Determination of

S. Kotecha, V. Chalker, O. B. Spiller, 2014 .

Concurrent Titration and Determination of Antibiotic Resistance in Ureaplasma Species with Identification of Novel Point Mutations in Genes Associated with Resistance

S. Kotecha, V. Chalker, O. B. Spiller, 2009, Antimicrobial Agents and Chemotherapy.

Increase in scarlet fever notifications in the United Kingdom, 2013/2014.

V. Saliba, R. Guy, M. Ramsay, 2014, Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin.

Heated birthing pools as a source of Legionnaires' disease

S. Collins, J. Walker, B. Afshar, 2015, Epidemiology and Infection.

Mycoplasma pneumoniae Epidemiology in England and Wales: A National Perspective

E. Stanford, Hongxin Zhao, Patrick Nguipdop-Djomo, 2016, Front. Microbiol..

Rapid detection and evolutionary analysis of Legionella pneumophila serogroup 1 sequence type 47.

T G Harrison, C. Buchrieser, J. Parkhill, 2017, Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases.

A real-time PCR for specific detection of the Legionella pneumophila serogroup 1 ST1 complex.

V. Chalifa-Caspi, L. Valinsky, J. Moran-Gilad, 2020, Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases.

Design and validation of a qPCR assay for accurate detection and initial serogrouping of Legionella pneumophila in clinical specimens by the ESCMID Study Group for Legionella Infections (ESGLI)

J. Mrázek, F. Echahidi, S. David, 2015, European Journal of Clinical Microbiology & Infectious Diseases.

Mycoplasma pneumoniae and Respiratory Virus Infections in Children With Persistent Cough in England: A Retrospective Analysis

D. Mant, A. Bermingham, A. Harnden, 2011, The Pediatric infectious disease journal.

Genomic sequencing of a national emm66 group A streptococci (GAS) outbreak among people who inject drugs and the homeless community in England and Wales, January 2016-May 2017.

N. Bundle, A. Efstratiou, D. Ready, 2019, The Journal of infection.

Genome analysis following a national increase in Scarlet Fever in England 2014

R. Guy, A. Johnson, Alan P. Johnson, 2017, BMC Genomics.

infection in primary care investigated by real-time PCR in England and Wales

D. Fleming, A. Bermingham, J. Ellis, 2011 .

Seeding and Establishment of Legionella pneumophila in Hospitals: Implications for Genomic Investigations of Nosocomial Legionnaires’ Disease

J. Parkhill, S. Harris, I. Podglajen, 2017, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Rapid investigation of cases and clusters of Legionnaires' disease in England and Wales using direct molecular typing.

S. Collins, M. Mentasti, B. Afshar, 2016, Journal of medical microbiology.

Emergence of dominant toxigenic M1T1 Streptococcus pyogenes clone during increased scarlet fever activity in England: a population-based molecular epidemiological study

J. Parkhill, S. Sriskandan, T. Lamagni, 2019, The Lancet. Infectious diseases.

Hospital admission and emergency care attendance risk for SARS-CoV-2 delta (B.1.617.2) compared with alpha (B.1.1.7) variants of concern: a cohort study

Joshua B. Singer, Darren L. Smith, Shane A. McCarthy, 2021, The Lancet Infectious Diseases.

Assessing the added value of group B Streptococcus maternal immunisation in preventing maternal infection and fetal harm: population surveillance study

S. Ladhani, Alan P. Johnson, C. Brown, 2021, BJOG : an international journal of obstetrics and gynaecology.

One hypervirulent clone, sequence type 283, accounts for a large proportion of invasive Streptococcus agalactiae isolated from humans and diseased tilapia in Southeast Asia

P. Newton, S. Baker, R. Zadoks, 2019, PLoS neglected tropical diseases.

Group B streptococcal disease in UK and Irish infants younger than 90 days, 2014-15: a prospective surveillance study.

M. Meehan, S. Ladhani, C. Jones, 2019, The Lancet. Infectious diseases.

Evaluation of matrix-assisted laser desorption ionisation time-of-flight mass spectrometry (MALDI-TOF MS) for the Identification of Group B Streptococcus

E. Jauneikaite, V. Chalker, K. Le Doare, 2019, BMC Research Notes.

An Extended Multilocus Sequence Typing (MLST) Scheme for Rapid Direct Typing of Leptospira from Clinical Samples

S. Dittrich, A. Chanthongthip, S. Weiss, 2016, PLoS neglected tropical diseases.

Bartonella clarridgeiae infection in a patient with aortic root abscess and endocarditis

R. Birtles, B. O'Connell, V. Chalker, 2019, Access microbiology.

Fatal Co-infections with SARS-CoV-2 and Legionella pneumophila, England

H. Adler, B. Afshar, F. Naik, 2021, Emerging infectious diseases.

Detection of group B streptococcus colonisation in pregnant women: comparison of two different culture methods and study of antimicrobial resistance patterns.

A. Djennad, I. Monahan, T. Planche, 2021, The Journal of infection.

D. Volokhov, J. Pollack, Yan Zhao, 2019, International journal of systematic and evolutionary microbiology.

Utilising cumulative antibiogram data to enhance antibiotic stewardship capacity in the Cape Coast Teaching Hospital, Ghana

J. Stelling, M. Dakorah, V. Chalker, 2022, Antimicrobial Resistance & Infection Control.

Household transmission of invasive group A Streptococcus infections in England: a population-based study, 2009, 2011 to 2013

R. Cordery, S. Sriskandan, J. Coelho, 2017, Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin.

Have reducing tonsillectomy rates in England led to increasing incidence of invasive Group A Streptococcus infections in children?

N. Bleach, T. Lamagni, V. Chalker, 2018, Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery.

Late-onset prosthetic valve endocarditis caused by Mycoplasma hominis, diagnosed using broad-range bacterial PCR.

J. Sandoe, D. Gascoyne-Binzi, C. Munsch, 2012, Journal of medical microbiology.

Development of a polymerase chain reaction for the detection of Mycoplasma felis in domestic cats.

J. Brownlie, V. Chalker, Wanda M A Owen, 2004, Veterinary microbiology.

Taxonomy of the canine Mollicutes by 16S rRNA gene and 16S/23S rRNA intergenic spacer region sequence comparison.

J. Brownlie, V. Chalker, 2004, International journal of systematic and evolutionary microbiology.

PREVALENCE OF MYCOPLASMA AGASSIZII AND CHELONIAN HERPESVIRUS IN CAPTIVE TORTOISES (TESTUDO SP.) IN THE UNITED KINGDOM

K. Erles, J. F. Soares, V. Chalker, 2004, Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians.

Development of a polymerase chain reaction for the detection of Mycoplasma felisin domestic cats

J. Brownlie, V. Chalker, 2004 .

Serological evidence of Mycoplasma cynos infection in canine infectious respiratory disease

A. Rycroft, V. Chalker, Elizabeth Tsounakou, 2006, Veterinary Microbiology.

Mycoplasmas associated with canine infectious respiratory disease.

J. Brownlie, A. Rycroft, V. Chalker, 2004, Microbiology.

Respiratory Disease in Kennelled Dogs: Serological Responses to Bordetella bronchiseptica Lipopolysaccharide Do Not Correlate with Bacterial Isolation or Clinical Respiratory Symptoms

J. Brownlie, A. Rycroft, V. Chalker, 2003, Clinical Diagnostic Laboratory Immunology.

The association of Streptococcus equi subsp. zooepidemicus with canine infectious respiratory disease

J. Brownlie, V. Chalker, H. Brooks, 2003, Veterinary Microbiology.

Mycoplasma pneumoniae detections before and during the COVID-19 pandemic: results of a global survey, 2017 to 2021

N. Bossuyt, G. Greub, B. Afshar, 2022, Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin.

Mycoplasma pneumoniae beyond the COVID-19 pandemic: where is it?

R. Zbinden, T. Tapiainen, H. Namkoong, 2022, The Lancet Microbe.

Mycoplasma pneumoniae infections, 11 countries in Europe and Israel, 2011 to 2016

Xu-Sheng Zhang, M. Ieven, R. Nir-Paz, 2020, Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin.

Multi-center evaluation of one commercial and 12 in-house real-time PCR assays for detection of Mycoplasma pneumoniae.

S. Pas, J. Maaskant, A. V. van Rossum, 2017, Diagnostic microbiology and infectious disease.

Detection of macrolide resistant Mycoplasma pneumoniae in England, September 2014 to September 2015.

Rebecca J. Brown, L. Macfarlane-Smith, V. Chalker, 2015, Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin.

Molecular typing of Mycoplasma pneumoniae: where do we stand?

Rebecca J. Brown, V. Chalker, B. Spiller, 2015, Future microbiology.

Development of a Multilocus Sequence Typing Scheme for Molecular Typing of Mycoplasma pneumoniae

M. Holden, Rebecca J. Brown, V. Chalker, 2015, Journal of Clinical Microbiology.

Positively interacting strains that co-circulate within a network structured population induce cycling epidemics of Mycoplasma pneumoniae

E. Vynnycky, Xu-Sheng Zhang, Hongxin Zhao, 2018, bioRxiv.

Mycoplasma pneumoniae infection in primary care investigated by real-time PCR in England and Wales

D. Fleming, A. Bermingham, J. Ellis, 2011, European Journal of Clinical Microbiology & Infectious Diseases.

International Mycoplasma pneumoniae typing study: interpretation of M. pneumoniae multilocus variable-number tandem-repeat analysis

C. Vink, J. Winchell, S. Pereyre, 2015, New microbes and new infections.

Molecular characterisation of the Mycoplasma cynos haemagglutinin HapA.

I. Cizelj, M. Narat, D. Benčina, 2015, Veterinary microbiology.

VanT, a Homologue of Vibrio harveyi LuxR, Regulates Serine, Metalloprotease, Pigment, and Biofilm Production in Vibrio anguillarum

P. Williams, M. Cámara, D. Milton, 2002, Journal of bacteriology.

Antibiotic susceptibility of Legionella pneumophila strains isolated in England and Wales 2007–17

R. Hill, D. Ready, M. Mentasti, 2018, The Journal of antimicrobial chemotherapy.

Real-time PCR detection of the mg219 gene of unknown function of Mycoplasma genitalium in men with and without non-gonococcal urethritis and their female partners in England.

C. Ison, V. Chalker, T. Ali, 2009, Journal of medical microbiology.

Legionella antimicrobial sensitivity testing: comparison of microbroth dilution with BCYE and LASARUS solid media

K. Sands, O. Spiller, V. Chalker, 2020, The Journal of antimicrobial chemotherapy.

Mycoplasma hominis Variable Adherence-Associated Antigen: A Major Adhesin and Highly Variable Surface Membrane Protein

O. Spiller, Rebecca J. Brown, V. Chalker, 2014 .

A Novel Hemotropic Mycoplasma (Hemoplasma) in a Patient With Hemolytic Anemia and Pyrexia

J. Steer, J. Jensen, S. Tasker, 2011, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Comparison of full gyrA, gyrB, parC and parE gene sequences between all Ureaplasma parvum and Ureaplasma urealyticum serovars to separate true fluoroquinolone antibiotic resistance mutations from non-resistance polymorphism.

S. Kotecha, V. Chalker, O. B. Spiller, 2009, The Journal of antimicrobial chemotherapy.

The LuxM Homologue VanM from Vibrio anguillarumDirects the Synthesis of N-(3-Hydroxyhexanoyl)homoserine Lactone and N-Hexanoylhomoserine Lactone

M. Cámara, D. Milton, A. Hardman, 2001, Journal of bacteriology.

Spatial structuring of a Legionella pneumophila population within the water system of a large occupational building

J. Parkhill, D. Ready, S. David, 2018, Microbial genomics.

Legionellosis

V. Chalker, 2019, Definitions.

Resurgence of scarlet fever in England, 2014-16: a population-based surveillance study.

V. Saliba, R. Guy, A. Elliot, 2017, The Lancet. Infectious diseases.

Environmental surveillance of ESBL and carbapenemase-producing gram-negative bacteria in a Ghanaian Tertiary Hospital

K. Sands, V. Chalker, O. B. Spiller, 2022, Antimicrobial Resistance & Infection Control.

Real-time whole genome sequencing to control a Streptococcus pyogenes outbreak at a national orthopaedic hospital.

S. Warren, D. Ready, J. Coelho, 2019, The Journal of hospital infection.

Genomic sequence investigation Streptococcus pyogenes clusters in England (2010-2015).

A. Underwood, J. Coelho, R. Tewolde, 2019, Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases.

Integration of Genomic and Other Epidemiologic Data to Investigate and Control a Cross-Institutional Outbreak of Streptococcus pyogenes

K. Jolley, N. McCarthy, M. Doumith, 2016, Emerging infectious diseases.

Prevalence of Trichomonas vaginalis, Mycoplasma genitalium and Ureaplasma urealyticum in men with urethritis attending an urban sexual health clinic

E. Smit, S. Wilson, V. Chalker, 2015, International journal of STD & AIDS.

Phenotypic and genotypic antimicrobial susceptibility patterns of the emerging human respiratory pathogen Mycoplasma amphoriforme isolated from the UK and Denmark

S. Paukner, J. Jensen, B. Afshar, 2022, The Journal of antimicrobial chemotherapy.

Molecular exploration for Mycoplasma amphoriforme, Mycoplasma fermentans and Ureaplasma spp. from patient samples previously investigated for Mycoplasma pneumoniae infection.

S. Maddocks, B. Afshar, M. Guiver, 2021, Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases.

Tetracycline Resistance Mediated by tet(M) Has Variable Integrative Conjugative Element Composition in Mycoplasma hominis Strains Isolated in the United Kingdom from 2005 to 2015

M. Payne, K. Sands, V. Chalker, 2021, Antimicrobial Agents and Chemotherapy.

Antibiotic Resistance among Clinical Ureaplasma Isolates Recovered from Neonates in England and Wales between 2007 and 2013

V. Chalker, O. B. Spiller, M. Beeton, 2015, Antimicrobial Agents and Chemotherapy.

Identifying large-scale recombination and capsular switching events in Streptococcus agalactiae strains causing disease in adults in the UK between 2014 and 2015

E. Jauneikaite, V. Chalker, O. B. Spiller, 2022, Microbial genomics.

Isolation of Separate Ureaplasma Species From Endotracheal Secretions of Twin Patients

A. Aboklaish, Rebecca J. Brown, V. Chalker, 2016, Pediatrics.

Genomic determination of minimum multi-locus sequence typing schemas to represent the genomic phylogeny of Mycoplasma hominis

Aleksey Jironkin, Anthony Underwood, A. Underwood, 2016, BMC Genomics.

A Quantitative Analysis of Ureaplasma urealyticum and Ureaplasma parvum Compared with Host Immune Response in Preterm Neonates at Risk of Developing Bronchopulmonary Dysplasia

G. Connett, K. Bruce, M. Payne, 2011, Journal of Clinical Microbiology.

Legionella antibiotic susceptibility testing: is it time for international standardization and evidence-based guidance?

Brian H. Raphael, M. L. Cristina, M. Scaturro, 2021, The Journal of antimicrobial chemotherapy.

Genomic Analysis Reveals New Integrative Conjugal Elements and Transposons in GBS Conferring Antimicrobial Resistance

S. Lo, E. Jauneikaite, K. Sands, 2023, Antibiotics.

Serial Clustering of Late-Onset Group B Streptococcal Infections in the Neonatal Unit: A Genomic Re-evaluation of Causality

P. Hoffman, F. Davies, A. Holmes, 2018, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Invasive Group B Streptococcus Disease With Recurrence and in Multiples: Towards a Better Understanding of GBS Late-Onset Sepsis

R. Hentschel, M. Meehan, S. Ladhani, 2021, Frontiers in Immunology.

Uncovering infant group B streptococcal (GBS) disease clusters in the UK and Ireland through genomic analysis: a population-based epidemiological study.

M. Meehan, R. Cunney, A. Efstratiou, 2020, Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.

Familial Transmission of emm12 Group A Streptococcus

S. Sriskandan, T. Lamagni, Sooria Balasegaram, 2018, Emerging infectious diseases.

Whole-genome sequencing in the investigation of recurrent invasive group A streptococcus outbreaks in a maternity unit.

A. Underwood, J. Coelho, D. Fowler, 2019, The Journal of hospital infection.

Increased mortality in COVID-19 patients with fungal co- and secondary infections admitted to intensive care or high dependency units in NHS hospitals in England

R. Guy, S. Hopkins, A. Borman, 2022, Journal of Infection.

Whole genome sequencing of group A Streptococcus: development and evaluation of an automated pipeline for emmgene typing

J. Coelho, V. Chalker, S. Platt, 2017, PeerJ.

Whole genome sequencing of Group A Streptococcus : development and evaluation of an automated pipeline for emm gene typing

J. Coelho, V. Chalker, S. Platt, 2017 .

Comparison of molecular serotyping approaches of Streptococcus agalactiae from genomic sequences

A. Efstratiou, V. Chalker, G. Kapatai, 2017, BMC Genomics.

Stability of lyophilised specimens for the molecular detection of viral DNA/RNA.

V. Chalker, H. Vaughan, A. Rossouw, 2006, Journal of Clinical Virology.

RAPD PCR detects co-colonisation of multiple group B streptococcus genotypes: A practical molecular technique for screening multiple colonies

O. Secka, E. Jauneikaite, K. Anastasiadou, 2021, Journal of microbiological methods.

Evaluation of matrix-assisted laser desorption ionisation time-of-flight mass spectrometry (MALDI-TOF MS) for the Identification of Group B Streptococcus

E. Jauneikaite, V. Chalker, K. Le Doare, 2019, BMC Research Notes.

A protracted iGAS outbreak in a long-term care facility 2014-2015: control measures and the use of whole-genome sequencing.

J. Coelho, R. Puleston, V. Chalker, 2020, The Journal of hospital infection.

Genome analysis following a national increase in Scarlet Fever in England 2014

R. Guy, Alan P. Johnson, A. Underwood, 2017, BMC Genomics.

Low genomic diversity of Legionella pneumophila within clinical specimens

J. Parkhill, S. David, M. Mentasti, 2018, Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases.

Real-time detection of Mycoplasma pneumoniae in respiratory samples with an internal processing control.

R. George, C. Sheppard, T. Harrison, 2006, Journal of Medical Microbiology.

Severe neonatal legionellosis associated with use of home humidifiers – A case report

E. Whittaker, V. Chalker, J. Hatcher, 2020 .