All Stories

  1. Genetic characterization of Plasmodium vivax linked to autochthonous malaria transmission in the US (2023) using Illumina AmpliSeq technology: a genetic epidemiology study

    Article • The Lancet Regional Health - Americas, August 2025, Elsevier

    Dr Joel Leonard Nicholas Barratt

  2. Assessing the sequencing success and analytical specificity of a targeted amplicon deep sequencing workflow for genotyping the foodborne parasite Cyclospora

    Article • Journal of Clinical Microbiology, June 2025, ASM Journals

    Dr Joel Leonard Nicholas Barratt

  3. Genetic diversity within Strongyloides fuelleborni: mitochondrial genome analysis reveals a clear African and Asian division

    Article • Parasitology, June 2025, Cambridge University Press

    Dr Joel Leonard Nicholas Barratt

  4. Geo-classification of drug-resistant travel-associated Plasmodium falciparum using Pfs47 and Pfcpmp gene sequences (USA, 2018–2021)

    Article • Antimicrobial Agents and Chemotherapy, December 2024, ASM Journals

    Dr Joel Leonard Nicholas Barratt

  5. Sources and Prevalence of Cyclospora cayetanensis in Southeastern U.S. Growing Environments

    Article • Journal of Food Protection, July 2024, Elsevier

    Dr Joel Leonard Nicholas Barratt

  6. Evaluation of the Increased Genetic Resolution and Utility for Source Tracking of a Recently Developed Method for Genotyping Cyclospora cayetanensis

    Article • Microorganisms, April 2024, MDPI AG

    Dr Joel Leonard Nicholas Barratt

  7. Genetic characterization and description of Leishmania (Leishmania) ellisi sp. nov.: a new human-infecting species from the USA

    Article • Zeitschrift für Parasitenkunde Parasitology Research, December 2023, Springer Science + Business Media

    Dr Joel Leonard Nicholas Barratt

  8. Comparison of two novel one-tube nested real-time qPCR assays to detect human-infecting Cyclospora spp.

    Article • Microbiology Spectrum, December 2023, ASM Journals

    Dr Joel Leonard Nicholas Barratt

  9. Simultaneous targeted amplicon deep sequencing and library preparation for a time and cost-effective universal parasite diagnostic sequencing approach

    Article • Zeitschrift für Parasitenkunde Parasitology Research, November 2023, Springer Science + Business Media

    Dr Joel Leonard Nicholas Barratt

  10. Application of a universal parasite diagnostic test to biological specimens collected from animals

    Article • International Journal for Parasitology Parasites and Wildlife, April 2023, Elsevier

    Dr Joel Leonard Nicholas Barratt

  11. Genetic characterization of Strongyloides fuelleborni infecting free-roaming African vervets (Chlorocebus aethiops sabaeus) on the Caribbean island of St. Kitts

    Article • International Journal for Parasitology Parasites and Wildlife, April 2023, Elsevier

    Dr Joel Leonard Nicholas Barratt

  12. Optimizing hierarchical tree dissection parameters using historic epidemiologic data as ‘ground truth’

    Article • PLOS One, February 2023, PLOS

    Dr Joel Leonard Nicholas Barratt

  13. Epidemiologic Utility of a Framework for Partition Number Selection When Dissecting Hierarchically Clustered Genetic Data Evaluated on the Intestinal Parasite Cyclospora cayetanensis

    Article • American Journal of Epidemiology, January 2023, Oxford University Press (OUP)

    Dr Joel Leonard Nicholas Barratt

  14. An improved framework for detecting discrete epidemiologically meaningful partitions in hierarchically clustered genetic data

    Article • Bioinformatics Advances, January 2023, Oxford University Press (OUP)

    Dr Joel Leonard Nicholas Barratt

  15. Novel insights on the genetic population structure of human-infecting Cyclospora spp. and evidence for rapid subtype selection among isolates from the USA

    Article • Current Research in Parasitology and Vector-Borne Diseases, January 2023, Elsevier

    Dr Joel Leonard Nicholas Barratt

  16. Retrospective evaluation of an integrated molecular-epidemiological approach to cyclosporiasis outbreak investigations – United States, 2021

    Article • Epidemiology and Infection, January 2023, Cambridge University Press

    Dr Joel Leonard Nicholas Barratt

  17. Cyclospora cayetanensis comprises at least 3 species that cause human cyclosporiasis

    Article • Parasitology, December 2022, Cambridge University Press

    Dr Joel Leonard Nicholas Barratt

  18. Evaluation of various distance computation methods for construction of haplotype-based phylogenies from large MLST datasets

    Article • Molecular Phylogenetics and Evolution, December 2022, Elsevier

    Dr Joel Leonard Nicholas Barratt

  19. Assessing an Adaptation of the Universal Parasite Diagnostic Assay for Bloodborne Parasites in a US State Public Health Laboratory

    Article • American Journal of Tropical Medicine and Hygiene, February 2022, American Society of Tropical Medicine and Hygiene

    Dr Joel Leonard Nicholas Barratt

  20. Genotyping Cyclospora cayetanensis From Multiple Outbreak Clusters With An Emphasis on a Cluster Linked to Bagged Salad Mix—United States, 2020

    Article • The Journal of Infectious Diseases, October 2021, Oxford University Press (OUP)

    Dr Joel Leonard Nicholas Barratt

  21. Correction: A global genotyping survey of Strongyloides stercoralis and Strongyloides fuelleborni using deep amplicon sequencing

    Article • PLoS Neglected Tropical Diseases, June 2021, PLOS

    Dr Joel Leonard Nicholas Barratt

  22. Nonparametric Binary Classification to Distinguish Closely Related versus Unrelated Plasmodium falciparum Parasites

    Article • American Journal of Tropical Medicine and Hygiene, May 2021, American Society of Tropical Medicine and Hygiene

    Dr Joel Leonard Nicholas Barratt

  23. A new subspecies of Trypanosoma cyclops found in the Australian terrestrial leech Chtonobdella bilineata

    Article • Parasitology, April 2021, Cambridge University Press

    Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  24. Machine learning and applications in microbiology

    Article • FEMS Microbiology Reviews, March 2021, Oxford University Press (OUP)

    Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  25. Sensitive universal detection of blood parasites by selective pathogen-DNA enrichment and deep amplicon sequencing

    Article • Microbiome, January 2021, Springer Science + Business Media

    Dr Joel Leonard Nicholas Barratt

  26. Investigation of US Cyclospora cayetanensis outbreaks in 2019 and evaluation of an improved Cyclospora genotyping system against 2019 cyclosporiasis outbreak clusters

    Article • Epidemiology and Infection, January 2021, Cambridge University Press

    Dr Joel Leonard Nicholas Barratt

  27. Malaria Risk and Prevention in Asian Migrants to Angola

    Article • American Journal of Tropical Medicine and Hygiene, November 2020, American Society of Tropical Medicine and Hygiene

    Dr Joel Leonard Nicholas Barratt

  28. Machine learning-based analyses support the existence of species complexes for Strongyloides fuelleborni and Strongyloides stercoralis

    Article • Parasitology, June 2020, Cambridge University Press

    Dr Joel Leonard Nicholas Barratt

  29. Detecting sequence variants in clinically important protozoan parasites

    Article • International Journal for Parasitology, January 2020, Elsevier

    Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  30. Development of a workflow for identification of nuclear genotyping markers for Cyclospora cayetanensis

    Article • Parasite, January 2020, EDP Sciences

    Dr Joel Leonard Nicholas Barratt

  31. Evaluation of an ensemble-based distance statistic for clustering MLST datasets using epidemiologically defined clusters of cyclosporiasis

    Article • Epidemiology and Infection, January 2020, Cambridge University Press

    Dr Joel Leonard Nicholas Barratt

  32. Diversity profiling of xenic cultures of Dientamoeba fragilis following systematic antibiotic treatment and prospects for genome sequencing

    Article • Parasitology, September 2019, Cambridge University Press

    Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  33. A global genotyping survey of Strongyloides stercoralis and Strongyloides fuelleborni using deep amplicon sequencing

    Article • PLoS Neglected Tropical Diseases, September 2019, PLOS

    Dr Joel Leonard Nicholas Barratt

  34. Detection of classic and cryptic Strongyloides genotypes by deep amplicon sequencing: A preliminary survey of dog and human specimens collected from remote Australian communities

    Article • PLoS Neglected Tropical Diseases, August 2019, PLOS

    Dr Joel Barratt, Dr Joel Leonard Nicholas Barratt

  35. Angiostrongylus cantonensis: a review of its distribution, molecular biology and clinical significance as a human pathogen – CORRIGENDUM

    Article • Parasitology, July 2019, Cambridge University Press

    Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  36. Mitochondrial Junction Region as Genotyping Marker for Cyclospora cayetanensis

    Article • Emerging Infectious Diseases, July 2019, Centers for Disease Control and Prevention (CDC)

    Dr Joel Leonard Nicholas Barratt

  37. Genotyping genetically heterogeneousCyclospora cayetanensisinfections to complement epidemiological case linkage

    Article • Parasitology, June 2019, Cambridge University Press

    Dr Joel Leonard Nicholas Barratt

  38. The complete coding region of the maxicircle as a superior phylogenetic marker for exploring evolutionary relationships between members of the Leishmaniinae

    Article • Infection Genetics and Evolution, June 2019, Elsevier

    Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  39. Detection of classic and cryptic Strongyloides genotypes by deep amplicon sequencing: A preliminary survey of dog and human specimens collected from remote Australian communities

    Article • February 2019, Cold Spring Harbor Laboratory Press

    Dr Joel Leonard Nicholas Barratt

  40. Restriction enzyme digestion of host DNA enhances universal detection of parasitic pathogens in blood via targeted amplicon deep sequencing

    Article • Microbiome, September 2018, Springer Science + Business Media

    Dr Joel Leonard Nicholas Barratt

  41. Genome Wide Identification of Mutational Hotspots in the Apicomplexan Parasite Neospora caninum and the Implications for Virulence

    Article • Genome Biology and Evolution, August 2018, Oxford University Press (OUP)

    Dr Joel Leonard Nicholas Barratt, Prof John T Ellis

  42. The evolution of trypanosomatid taxonomy

    Article • Parasites & Vectors, June 2017, Springer Science + Business Media

    Dr Joel Leonard Nicholas Barratt, Prof John T Ellis

  43. Isolation of Novel Trypanosomatid, Zelonia australiensis sp. nov. (Kinetoplastida: Trypanosomatidae) Provides Support for a Gondwanan Origin of Dixenous Parasitism in the Leishmaniinae

    Article • PLoS Neglected Tropical Diseases, January 2017, PLOS

    Dr Joel Leonard Nicholas Barratt, Prof John T Ellis

  44. Bulky Trichomonad Genomes: Encoding a Swiss Army Knife

    Article • Trends in Parasitology, October 2016, Elsevier

    Dr Joel Leonard Nicholas Barratt, Prof John T Ellis

  45. Detection of Dientamoeba fragilis in animal faeces using species specific real time PCR assay

    Article • Veterinary Parasitology, August 2016, Elsevier

    Dr Joel Leonard Nicholas Barratt, Prof John T Ellis

  46. Angiostrongylus cantonensis: a review of its distribution, molecular biology and clinical significance as a human pathogen

    Article • Parasitology, May 2016, Cambridge University Press

    Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  47. Dientamoeba fragilis, the Neglected Trichomonad of the Human Bowel

    Article • Clinical Microbiology Reviews, May 2016, ASM Journals

    Dr Damien Stark, Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  48. The Transcriptome Sequence of Dientamoeba fragilis Offers New Biological Insights on its Metabolism, Kinome, Degradome and Potential Mechanisms of Pathogenicity

    Article • Protist, September 2015, Elsevier

    Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  49. The Prevalence of Angiostrongylus cantonensis/mackerrasae Complex in Molluscs from the Sydney Region

    Article • PLOS One, May 2015, PLOS

    Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  50. Improving the gene structure annotation of the apicomplexan parasite Neospora caninum fulfils a vital requirement towards an in silico-derived vaccine

    Article • International Journal for Parasitology, April 2015, Elsevier

    Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  51. Molecular Epidemiology of Imported Cases of Leishmaniasis in Australia from 2008 to 2014

    Article • PLOS One, March 2015, PLOS

    Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  52. Description of Dientamoeba fragilis Cyst and Precystic Forms from Human Samples

    Article • Journal of Clinical Microbiology, May 2014, ASM Journals

    Dr Damien Stark, Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  53. Activity of benzimidazoles againstDientamoeba fragilis(Trichomonadida, Monocercomonadidae)in vitroand correlation of beta-tubulin sequences as an indicator of resistance

    Article • Parasite, January 2014, EDP Sciences

    Dr Damien Stark, Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  54. 134. Cytotoxic and Proteolytic Molecules of the Human Parasite Dientamoeba fragilis, Identified by RNA seq, Provide Support for its Pathogenic Capacity

    Article • Toxicon, August 2012, Elsevier

    Dr Damien Stark, Dr Joel Leonard Nicholas Barratt

  55. A case-controlled study of Dientamoeba fragilis infections in children

    Article • Parasitology, April 2011, Cambridge University Press

    Dr Damien Stark, Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  56. The ambiguous life ofDientamoeba fragilis: the need to investigate current hypotheses on transmission

    Article • Parasitology, February 2011, Cambridge University Press

    Dr Damien Stark, Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  57. Comparison of Microscopy, Culture, and Conventional Polymerase Chain Reaction for Detection of Blastocystis sp. in Clinical Stool Samples

    Article • American Journal of Tropical Medicine and Hygiene, February 2011, American Society of Tropical Medicine and Hygiene

    Dr Damien Stark, Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  58. A review ofDientamoeba fragiliscarriage in humans: Several reasons why this organism should be considered in the diagnosis of gastrointestinal illness

    Article • Gut Microbes, January 2011, Taylor & Francis

    Dr Damien Stark, Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  59. Evaluation of Multiplex Tandem Real-Time PCR for Detection of Cryptosporidium spp., Dientamoeba fragilis, Entamoeba histolytica, and Giardia intestinalis in Clinical Stool Samples

    Article • Journal of Clinical Microbiology, November 2010, ASM Journals

    Dr Damien Stark, Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  60. Importance of Nonenteric Protozoan Infections in Immunocompromised People

    Article • Clinical Microbiology Reviews, October 2010, ASM Journals

    Dr Damien Stark, Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  61. Seroprevalence of Entamoeba histolytica Infection among Men Who Have Sex with Men in Sydney, Australia

    Article • American Journal of Tropical Medicine and Hygiene, October 2010, American Society of Tropical Medicine and Hygiene

    Dr Damien Stark, Dr Joel Leonard Nicholas Barratt

  62. Newly defined conditions for thein vitrocultivation and cryopreservation ofDientamoeba fragilis: new techniques set to fast track molecular studies on this organism

    Article • Parasitology, July 2010, Cambridge University Press

    Dr Damien Stark, Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  63. A Review of the Clinical Presentation of Dientamoebiasis

    Article • American Journal of Tropical Medicine and Hygiene, March 2010, American Society of Tropical Medicine and Hygiene

    Dr Damien Stark, Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  64. Comparison of microscopy, two xenic culture techniques, conventional and real-time PCR for the detection of Dientamoeba fragilis in clinical stool samples

    Article • European Journal of Clinical Microbiology & Infectious Diseases, February 2010, Springer Science + Business Media

    Dr Damien Stark, Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  65. Repeated Dientamoeba fragilis infections: a case report of two families from Sydney, Australia

    Article • Infectious Disease Reports, November 2009, PAGEPress Publications

    Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  66. Clinical Significance of Enteric Protozoa in the Immunosuppressed Human Population

    Article • Clinical Microbiology Reviews, October 2009, ASM Journals

    Dr Damien Stark, Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  67. Repeated Dientamoeba fragilis infections: a case report of two families from Sydney, Australia

    Article • Infectious Disease Reports, September 2009, PAGEPress Publications

    Dr Damien Stark, Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  68. Clinical Significance and Phylogenetic Relationship of Novel Australian Pneumocystis jirovecii Genotypes

    Article • Journal of Clinical Microbiology, April 2009, ASM Journals

    Dr Damien Stark, Dr Joel Leonard Nicholas Barratt

  69. Limited genetic diversity among genotypes of Enterocytozoon bieneusi strains isolated from HIV-infected patients from Sydney, Australia

    Article • Journal of Medical Microbiology, March 2009, Society for General Microbiology

    Dr Damien Stark, Prof John T Ellis, Dr Joel Leonard Nicholas Barratt

  70. Absence of human Bocavirus in bronchoalveolar lavage fluid of lung transplant patients

    Article • Journal of Clinical Virology, February 2009, Elsevier

    Dr Damien Stark, Dr Sebastiaan van Hal, Dr Joel Leonard Nicholas Barratt

  71. The development and evaluation of a nested PCR assay for detection of Neospora caninum and Hammondia heydorni in feral mouse tissues

    Article • Molecular and Cellular Probes, August 2008, Elsevier

    Prof John T Ellis, Dr Joel Leonard Nicholas Barratt