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  • Philip Giffard
2020

Seroprevalence of Torque Teno Virus in hemodialysis and renal transplant patients in Australia: A cross-sectional study

Davis, J. S., Chu, G., Pathinayake, P., Jones, D., Giffard, P., Macera, L., Choi, P. & Bartlett, N. W., 6 Jul 2020, In : Transplant Infectious Disease. p. 1-5 5 p.

Research output: Contribution to journalArticle

2019

Atlas of group A streptococcal vaccine candidates compiled using large-scale comparative genomics

Davies, M. R., McIntyre, L., Mutreja, A., Lacey, J. A., Lees, J. A., Towers, R. J., Duchêne, S., Smeesters, P. R., Frost, H. R., Price, D. J., Holden, M. T. G., David, S., Giffard, P. M., Worthing, K. A., Seale, A. C., Berkley, J. A., Harris, S. R., Rivera-Hernandez, T., Berking, O., Cork, A. J. & 18 others, Torres, R. S. L. A., Lithgow, T., Strugnell, R. A., Bergmann, R., Nitsche-Schmitz, P., Chhatwal, G. S., Bentley, S. D., Fraser, J. D., Moreland, N. J., Carapetis, J. R., Steer, A. C., Parkhill, J., Saul, A., Williamson, D. A., Currie, B. J., Tong, S. Y. C., Dougan, G. & Walker, M. J., 1 Jun 2019, In : Nature Genetics. 51, 6, p. 1035-1043 9 p.

Research output: Contribution to journalArticle

Author Correction: Atlas of group A streptococcal vaccine candidates compiled using large-scale comparative genomics

Davies, M. R., McIntyre, L., Mutreja, A., Lacey, J. A., Lees, J. A., Towers, R. J., Duchêne, S., Smeesters, P. R., Frost, H. R., Price, D. J., Holden, M. T. G., David, S., Giffard, P. M., Worthing, K. A., Seale, A. C., Berkley, J. A., Harris, S. R., Rivera-Hernandez, T., Berking, O., Cork, A. J. & 18 others, Torres, R. S. L. A., Lithgow, T., Strugnell, R. A., Bergmann, R., Nitsche-Schmitz, P., Chhatwal, G. S., Bentley, S. D., Fraser, J. D., Moreland, N. J., Carapetis, J. R., Steer, A. C., Parkhill, J., Saul, A., Williamson, D. A., Currie, B. J., Tong, S. Y. C., Dougan, G. & Walker, M. J., Aug 2019, In : Nature Genetics. 51, 8, p. 1295-1295 1 p.

Research output: Contribution to journalComment/debate

Open Access

Concerns for efficacy of a 30-valent M-protein-based Streptococcus pyogenes vaccine in regions with high rates of rheumatic heart disease

Giffard, P., Tong, S. Y. C., Holt, D., Ralph, A. & Currie, B., 3 Jul 2019, In : PLoS Neglected Tropical Diseases. 13, 7, p. 1-20 20 p., e0007511.

Research output: Contribution to journalArticle

Open Access
File
26 Downloads (Pure)

Identification and Discrimination of Chlamydia trachomatis Ocular and Urogenital Strains and Major Phylogenetic Lineages by CtGEM Typing, A Double-Locus Genotyping Method

Holt, D. C., Andersson, P., Buckley, C., Whiley, D. M. & Giffard, P. M., 6 Aug 2019, Methods in Molecular Biology. Humana Press Inc., p. 87-122 36 p. (Methods in Molecular Biology; vol. 2042).

Research output: Chapter in Book/Report/Conference proceedingChapter

2018

Contaminated fingers: A potential cause of Chlamydia trachomatis-positive urine specimens

Giffard, P. M., Lilliebridge, R. A., Wilson, J., Murray, G., Phillips, S., Tabrizi, S. N., Garland, S. M., Martin, L., Singh, G., Tong, S. Y. C., Holt, D. C. & Andersson, P., 18 Jan 2018, In : Sexually Transmitted Infections. 94, 1, p. 32-36 5 p.

Research output: Contribution to journalArticle

Open Access

CtGEM typing: Discrimination of Chlamydia trachomatis ocular and urogenital strains and major evolutionary lineages by high resolution melting analysis of two amplified DNA fragments

Giffard, P. M., Andersson, P., Wilson, J., Buckley, C., Lilliebridge, R., Harris, T. M., Kleinecke, M., O’Grady, K. A. F., Huston, W. M., Lambert, S. B., Whiley, D. M. & Holt, D. C., 1 Apr 2018, In : PLoS One. 13, 4, p. 1-18 18 p., e0195454.

Research output: Contribution to journalArticle

Open Access
File
6 Downloads (Pure)

Global scale dissemination of ST93: A divergent staphylococcus aureus epidemic lineage that has recently emerged from remote northern Australia

van Hal, S. J., Steinig, E. J., Andersson, P., Holden, M. T. G., Harris, S. R., Nimmo, G. R., Williamson, D. A., Heffernan, H., Ritchie, S. R., Kearns, A. M., Ellington, M. J., Dickson, E., de Lencastre, H., Coombs, G. W., Bentley, S. D., Parkhill, J., Holt, D. C., Giffard, P. M. & Tong, S. Y. C., 9 Jul 2018, In : Frontiers in Microbiology. 9, July, p. 1-11 11 p., 1453.

Research output: Contribution to journalArticle

Open Access
File
10 Downloads (Pure)

Investigation of trimethoprim/sulfamethoxazole resistance in an emerging sequence type 5 methicillin-resistant Staphylococcus aureus clone reveals discrepant resistance reporting

Harris, T. M., Bowen, A. C., Holt, D. C., Sarovich, D. S., Stevens, K., Currie, B. J., Howden, B. P., Carapetis, J. R., Giffard, P. M. & Tong, S. Y. C., Sep 2018, In : Clinical Microbiology and Infection. 24, 9, p. 1027-1029 3 p.

Research output: Contribution to journalLetter

Open Access
File
2017

Comprehensive global genome dynamics of Chlamydia trachomatis show ancient diversification followed by contemporary mixing and recent lineage expansion

Hadfield, J., Harris, S. R., Seth-Smith, H. M. B., Parmar, S., Andersson, P., Giffard, P. M., Schachter, J., Moncada, J., Ellison, L., Vaulet, M. L. G., Fermepin, M. R., Radebe, F., Mendoza, S., Ouburg, S., Morré, S. A., Sachse, K., Puolakkainen, M., Korhonen, S. J., Sonnex, C., Wiggins, R. & 18 others, Jalal, H., Brunelli, T., Casprini, P., Pitt, R., Ison, C., Savicheva, A., Shipitsyna, E., Hadad, R., Kari, L., Burton, M. J., Mabey, D., Solomon, A. W., Lewis, D., Marsh, P., Unemo, M., Clarke, I. N., Parkhill, J. & Thomson, N. R., Jul 2017, In : Genome Research. 27, 7, p. 1220-1229 10 p.

Research output: Contribution to journalArticle

Open Access
File
1 Downloads (Pure)

Primary health clinic toilet/bathroom surface swab sampling can indicate community profile of sexually transmitted infections

Giffard, P. M., Su, J. Y., Andersson, P. & Holt, D. C., 22 Jun 2017, In : PEERJ. 2017, 5, p. 1-11 11 p., e3487.

Research output: Contribution to journalArticle

Open Access
File
2 Downloads (Pure)

What does Chlamydia trachomatis detection in a urogenital specimen from a young child mean?

Giffard, P., Singh, G. & Garland, S. M., 4 Jun 2017, In : Sexually Transmitted Infections. 93, 4, p. 236-237 2 p.

Research output: Contribution to journalEditorial

2016

Chlamydia trachomatis from Australian Aboriginal people with trachoma are polyphyletic composed of multiple distinctive lineages

Andersson, P., Harris, S., Smith, H., Hadfield, J., O'Neill, C., Cutcliffe, LT., Douglas, F., Asche, LV., Seth-Smith, H. M. B., Hadfield, J., Colette E, ON., Lesley T, C., Fiona P, D., Asche, LV., Mathews, J., Hutton, S., Sarovich, D., Tong, S., Clarke, I., Thomson, N. & 1 others, Giffard, P., 2016, In : Nature Communications. 25, 7, p. 1-11 11 p., 10688.

Research output: Contribution to journalArticle

Open Access
File
14 Downloads (Pure)

Chlamydia trachomatis genotypes in a cross-sectional study of urogenital samples from remote Northern and central Australia

Giffard, P., Brenner, N., Tabrizi, S., Garland, S., Holt, D., Andersson, P., Gorie, R., Tong, S., Karimi, M., Boylan, P., Ryder, N., Johns, T. & Singh, G., 1 Jan 2016, In : BMJ Open. 6, p. 1-7 7 p., e009624.

Research output: Contribution to journalArticle

Open Access
File
3 Downloads (Pure)

Differing epidemiology of two major healthcare-associated meticillin-resistant Staphylococcus aureus clones

Jeremiah, C., Kandiah, J. P., Spelman, D., Giffard, P., Coombs, G., Jenney, A. & Tong, S., 2016, In : Journal of Hospital Infection. 92, 2, p. 183-190 8 p.

Research output: Contribution to journalArticle

Molecular epidemiology of methicillin-resistant Staphylococcus aureus isolated from Australian veterinarians

Groves, MD., Crouch, B., Coombs, G., Jordan, D., Pang, S., Barton, Giffard, P., Abraham, S. & Trott, 2016, In : PLoS One. 11, 1, p. 1-12 12 p., e0146034.

Research output: Contribution to journalArticle

Open Access
File
2 Downloads (Pure)

Whole genome sequencing reveals extensive community-level transmission of group A Streptococcus in remote communities

Bowen, A., Harris, T., Holt, D., Giffard, P., Carapetis, J., Campbell, P. T. H., McVernon, J. & Tong, S., Jul 2016, In : Epidemiology and Infection. 144, 9, p. 1991-1998 8 p.

Research output: Contribution to journalArticle

Whole genome sequencing to investigate a putative outbreak of the virulent community-associated methicillin-resistant Staphylococcus aureus ST93 clone in a remote Indigenous community

Meumann, E. M., Andersson, P., Yeaman, F., Oldfield, S., Lilliebridge, R. A., Bentley, S. D., Krause, V., Beaman, M., Currie, B., Holt, D., Giffard, P. & Tong, S., 2016, In : Microbial Genomics. 2, 12, p. 1-7 7 p.

Research output: Contribution to journalArticle

Open Access
File
2 Downloads (Pure)
2015

Novel staphylococcal species that form part of a Staphylococcus aureus-related complex: the non-pigmented Staphylococcus argenteus sp. nov. and the non-human primate-associated Staphylococcus schweitzeri sp. nov

Tong, S., Schaumburg, F., Ellington, M., Corander, J., Pichon, B., Leendertz, F., Bentley, S., Parkhill, J., Holt, D., Peters, G. & Giffard, P., 2015, In : International Journal of Systematic and Evolutionary Microbiology. 65, p. 15-22 8 p.

Research output: Contribution to journalArticle

Open Access

Progressive increase in community-associated methicillin-resistant Staphylococcus aureus in Indigenous populations in northern Australia from 1993 to 2012

Tong, S., Varrone, L., Chatfield, M., Beaman, M. & Giffard, P., 2015, In : Epidemiology and Infection. 143, 7, p. 1519-1523 5 p.

Research output: Contribution to journalArticle

2014

Burkholderia pseudomallei Isolates from Sarawak, Malaysian Borneo, Are Predominantly Susceptible to Aminoglycosides and Macrolides

Podin, Y., Sarovich, D., Price, E., Kaestli, M., Mayo, M., Hii, K., Ngian, H., Wong, S-C., Wong, I., Wong, J., Mohan, A., Ooi, M., Fam, T., Wong, J., Tuanyok, A., Keim, P. S., Giffard, P. & Currie, B., 2014, In : Antimicrobial Agents and Chemotherapy. 58, 1, p. 162-166 5 p.

Research output: Contribution to journalArticle

Open Access

DNA concentration can specify DNA melting point in a high-resolution melting analysis master mix

Ng, J., Holt, D., Andersson, P. & Giffard, P., 2014, In : Clinical Chemistry. 60, 2, p. 414-416 3 p.

Research output: Contribution to journalLetter

Open Access

Enhancement of the evidence base for the interpretation of positive diagnostic tests for sexually transmitted infection in children

Giffard, P., Andersson, P., Johns, T., Boylan, P., Ryder, N. & Singh, G., 2014

Research output: Other contributionOther types of outputs

Invasive Staphylococcus aureus Infections in Children in Tropical Northern Australia

Engelman, D., Hofer, A., Davis, J., Carapetis, J., Baird, R., Giffard, P., Holt, D. & Tong, S., 1 Dec 2014, In : Journal of the Pediatric Infectious Diseases Society. 3, 4, p. 304-311 8 p.

Research output: Contribution to journalArticle

Open Access

Multisite Direct Determination of the Potential for Environmental Contamination of Urine Samples Used for Diagnosis of Sexually Transmitted Infections

Andersson, P., Tong, S., Gorie, R., Brenner, N., Martin, L., Spencer, E., Delima, J., Singh, G., McCann, F., Hudson, C., Johns, T. & Giffard, P., 1 Oct 2014, In : Journal of the Pediatric Infectious Diseases Society. 3, 3, p. 189-196 8 p.

Research output: Contribution to journalArticle

Open Access
2013

Community-associated meticillin-resistant Staphylococcus aureus carriage in hospitalized patients in tropical northern Australia

Brennan, L., Gorie, R., Cheng, A., Giffard, P., Currie, B. & Tong, S., 2013, In : Journal of Hospital Infection. 83, 3, p. 205-211 7 p.

Research output: Contribution to journalArticle

Extensive Diversity of Streptococcus pyogenes in a Remote Human Population Reflects Global-Scale Transmission Rather than Localised Diversification

Towers, R., Carapetis, J., Currie, B., Davies, M., Walker, M., Dougan, G. & Giffard, P., 2013, In : PLoS One. 8, 9, p. 1-6 6 p., e73851.

Research output: Contribution to journalArticle

Open Access
File
4 Downloads (Pure)

Sequences of multiple bacterial genomes and a Chlamydia trachomatis genotype from direct sequencing of DNA derived from a vaginal swab diagnostic specimen

Andersson, P., Klein, M., Lilliebridge, R. & Giffard, P., Sep 2013, In : Clinical Microbiology and Infection. 19, 9, p. E405-E408 4 p.

Research output: Contribution to journalArticle

Open Access

Virulence of Endemic Nonpigmented Northern Australian Staphylococcus aureus Clone (Clonal Complex 75, S. argenteus) Is Not Augmented by Staphyloxanthin

Tong, S., Sharma-Kuinkel, B., Thaden, J., Whitney, AR., Yang, S., Mishra, D., Rude, T., Gorie, R., Selim, M., Ahn, S., Holt, D., Giffard, P., Bayer, S., DeLeo, F. & Fowler Jr, V., 2013, In : Journal of Infectious Diseases. 208, 3, p. 520-527 8 p.

Research output: Contribution to journalArticle

Open Access
2011

A Very Early-Branching Staphylococcus aureus Lineage Lacking the Carotenoid Pigment Staphyloxanthin

Holt, D., Holden, M., Tong, S., Castillo-Ramirez, S., Clarke, L., Quail, M., Currie, B., Parkhill, J., Bentley, S., Feil, E. & Giffard, P., 2011, In : Genome Biology and Evolution. 3, p. 881-895 15 p.

Research output: Contribution to journalArticle

Open Access
File
3 Downloads (Pure)

Carriage of methicillin-resistant Staphylococcus aureus by veterinarians in Australia

Jordon, D., Simon, J., Fury, S., Moss, S., Giffard, P., Maiwald, M., Southwell, P., Barton, Axon, Morris & Trott, 2011, In : Australian Veterinary Journal. 89, 5, p. 152-159 8 p.

Research output: Contribution to journalArticle

High-resolution melting genotyping of enterococcus faecium based on multilocus sequence typing derived single nucleotide polymorphisms

Tong, S., Xie, S., Richardson, L. J., Ballard, S., Dakh, F., Grabsch, E., Grayson, L., Howden, B., Johnson, P. & Giffard, P., 2011, In : PLoS One. 6, 12, p. 1-8 8 p., e29189.

Research output: Contribution to journalArticle

Open Access
File

Preliminary validation of a novel high-resolution melt-based typing method based on the multilocus sequence typing scheme of Streptococcus pyogenes

Richardson, L. J., Tong, S., Towers, R., Huygens, F., McGregor, K., Fagan, P., Currie, B., Carapetis, J. & Giffard, P., 2011, In : Clinical Microbiology and Infection. 17, p. 1426-1434 9 p.

Research output: Contribution to journalArticle

Open Access

Rapid detection of the H275Y oseltamivir resistance mutation in influenza A/H1N1 2009 by single base pair RT-PCR and high-resolution melting

Tong, S., Dakh, F., Hurt, A., Deng, Y-M., Freeman, K., Fagan, P., Barr, I. & Giffard, P., 2011, In : PLoS One. 6, 6, p. 1-5 5 p., e21446.

Research output: Contribution to journalArticle

Open Access
File
2 Downloads (Pure)

The utility of high-resolution melting analysis of SNP nucleated PCR amplicons-an MLST based Staphylococcus aureus typing scheme

Lilliebridge, R. A., Tong, S., Giffard, P. & Holt, D., 2011, In : PLoS One. 6, 6, p. 1-11 11 p., e19749.

Research output: Contribution to journalArticle

Open Access
File
11 Downloads (Pure)