Dr Josie Parker

FHEA MRSB


Lecturer in Biochemistry (Cardiff University)

Honorary Research Associate (Swansea University)


Qualifications

BSc (hons) Genetics (Aberystwyth University, 2001)

PhD (Aberystwyth University, 2005)

Publications

2022

Regan J, DeJarnette C, Luna-Tapia, Parker JE, Reitler P, Barnett S, Tucker KM, Kelly SL, Palmer GE. Titration of C-5 Sterol Desaturase Activity Reveals Its Relationship to Candida albicans Virulence and Antifungal Susceptibility Is Dependent upon Host Immune Status. mBio, 2022. 13(2):e0011522.

Price CL, Warrilow AGS, Rolley NJ, Parker JE, Thoss V, Kelly D, Corcionivoschi N, Kelly SL. Cytochrome P450 168A1 from Pseudomonas aeruginosa is involved in the hydroxylation of biologically relevant fatty acids. PLOS ONE, 2022. https://doi.org/10.1371/journal.pone.0265227.

2021

Aruanno M, Gozel S, Mouyna I, Parker JE, Bachmann D, Flamant P, Coste AT, Sanglard D, Lamoth F. Insights in the molecular mechanisms of an azole stress adapted laboratory-generated Aspergillus fumigatus strain. Med Mycol. 2021 Jul 14;59(8):763-772. doi: Aruanno M, Gozel S, Mouyna I, Parker JE, Bachmann D, Flamant P, Coste AT, Sanglard D, Lamoth F. Insights in the molecular mechanisms of an azole stress adapted laboratory-generated Aspergillus fumigatus strain. Med Mycol. 2021 Jul 14;59(8):763-772. doi: 10.1093/mmy/myaa118.

Ollinger TL, Vu B, Murante D, Parker JE, Simonicova L, Doorley L, Stamnes MA, Kelly SL, Rogers PD, Moye-Rowley WS, Krysan DJ. Loss-of-Function ROX1 Mutations Suppress the Fluconazole Susceptibility of upc2AΔ Mutation in Candida glabrata, Implicating Additional Positive Regulators of Ergosterol Biosynthesis. mSphere. 2021 Dec 22;6(6):e0083021. doi: 10.1128/msphere.00830-21. Epub 2021 Dec 22.

Rybak JM, Barker KS, Muñoz JF, Parker JE, Ahmad S, Mokaddas E, Abdullah A, Elhagracy RS, Kelly SL, Cuomo CA, Rogers PD. In vivo emergence of high-level resistance during treatment reveals the first identified mechanism of amphotericin B resistance in Candida auris. Clin Microbiol Infect. 2021 Dec 13:S1198-743X(21)00677-7. doi: 10.1016/j.cmi.2021.11.024. Epub ahead of print. PMID: 34915074.

Luna-Tapia A, Parker JE, Kelly SL, Palmer GE. Species-specific differences in C-5 sterol desaturase function influence the outcome of azole antifungal exposure. Antimicrobial Agents and Chemotherapy, 2021, https://doi.org/10.1128/AAC.01044-21.

2020

Binjubair FA, Parker JE, Warrilow AG, Puri K, Braidley PJ, Tatar E, Kelly SL, Kelly DE, Simons C. Small-Molecule Inhibitors Targeting Sterol 14α-Demethylase (CYP51): Synthesis, Molecular Modelling and Evaluation Against Candida albicans. ChemMedChem. 2020, doi: 10.1002/cmdc.202000250.

Rybak JM, Muñoz JF, Barker S, Parker JE, Esquivel BD, Berkow EL, Lockhart SR, Gade L, Palmer GE, White TC, Kelly SL, Cuomo CA, Rogers PD. Mutations in TAC1B: a Novel Genetic Determinant of Clinical Fluconazole Resistance in Candida auris. mBio. 2020, 11 (3) e00365-20; DOI: 10.1128/mBio.00365-20.

Furukawa T, van Rhijn N, Fraczek M, Gsaller F, Davies E, Carr P, Gago S, Fortune-Grant R, Rahman S, Gilsenan JM, Houlder E, Kowalski CH, Raj S, Paul S, Cook P, Parker JE, Kelly SL, Cramer RA, Latgé J-P, Moye-Rowley S, Bignell E, Bowyer P, Bromley MJ. The negative cofactor 2 complex is a key regulator of drug resistance in Aspergillus fumigatus. Nature Communications. 2020, 427.

Morgan SR, Pilia N, Hewitt M, Moses RL, Moseley R, Lewis PN, Morrison PWJ, Kelly SL, Parker JE, Whitaker D, Quantock AJ, Heard CM. Controlled in vitro delivery of voriconazole and diclofenac to the cornea using contact lenses for the treatment of Acanthamoeba keratitis. International Journal of Pharmaceutics. 2020, https://doi.org/10.1016/j.ijpharm.2020.119102.

2019

Kannan A, Asner SA, Trachsel E, Kelly SL, Parker JE, Sanglard D. Comparative Genomics for the Elucidation of Multidrug Resistance in Candida lusitaniae. mBio. 2019, DOI: 10.1128/mBio.02512-19.

Warrilow AGS, Parker JE, Price CL, Rolley NJ, Nes WD, Kelly DE, Kelly SL. Isavuconazole and voriconazole inhibition of sterol 14α-demethylases (CYP51) from Aspergillus fumigatus and Homo sapiens. International Journal of Antimicrobial Agents. 2019, EPub before print.

Rybak JM, Ge W, Wiederhold NP, Parker JE, Kelly SL, Rogers PD, Fortwendel JR. Mutations in hmg1, challenging the paradigm of clinical triazole resistance in Aspergillus fumigatus. mBio. 2019, DOI: 10.1128/mBio.00437-19.

Warrilow AG, Nishimoto AT, Parker JE, Price CL, Flowers SA, Kelly DE, Rogers PD, Kelly SL. The evolution of azole resistance in Candida albicans sterol 14α-demethylase (CYP51) through incremental amino acid substitutions. Antimicrobial Agents and Chemotherapy. 2019, EPub before print.

Griffiths WJ, Crick PJ, Meljon A, Theofilopoulos S, Abdel-Khalik J, Yutuc E, Parker JE, Kelly DE, Kelly SL, Arenas E, Wang Y. Additional pathways of sterol metabolism: Evidence from analysis of Cyp27a1-/- mouse brain and plasma. Biochimica et biophysica acta. Molecular and Cell Biology of Lipids. 2019, DOI: 10.10.1016/j.bbalip.2018.11.006.

Ahmad S, Joseph L, Parker JE, Asadzadeh M, Kelly SL, Meis JF, Khan Z. ERG6 and ERG2 are major targets conferring reduced susceptibility to amphotericin B in clinical Candida glabrata isolates in Kuwait. Antimicrobial Agents and Chemotherapy. 2019, DOI: 10.1128/AAC.01900-18.

2018

Zhou W, Warrilow AGS, Thomas CD, Ramos E, Parker JE, Price CL, Vanderloop BH, Fisher PM, Loftis MD, Kelly DE, Kelly SL, Nes WD. Functional importance for developmental regulation of sterol biosynthesis in Acanthamoeba castellanii. Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids. 2018. In Press.

Luna-Tapia A, Willems HM, Parker JE, Tournu H, Barker KS, Nishimoto AT, Rogers PD, Kelly SL, Peters BM, Palmer GE. Loss of Upc2p-inducible ERG3 transcription is sufficient to confer niche-specific azole resistance without compromising Candida albicans pathogenicity. mBio. 2018, 9:e00225-18.

Colley T, Sehra G, Chowdhary A, Alanio A, Kelly SL, Kizawa Y, Armstrong-James D, Fisher MC, Warrilow AGS, Parker JE, Kelly DE, Kimura G, Nishimoto Y, Sunose M, Onions S, Crepin D, Lagasse F, Crittall M, Shannon J, McConville M, King-Underwood J, Naylor A, Bretagne S, Murray J, Ito K, Strong P, Rapeport G. In vitro and in vivo efficacy of a novel and long acting fungicidal azole, PC1244, on Aspergillus fumigatus infection. Antimicrobial Agents and Chemotherapy. 2018, doi: 10.1128/AAC.01941-17.

2017

Butts A, DeJarnette C, Peters TL, Parker JE, Kerns ME, Eberle KE, Kelly SL, Palmer GE. Target abundance-based fitness screening (TAFiS) facilitates rapid identification of target-specific and physiologically active chemical probes. mSphere. 2017, DOI: 10.1128/mSphere.00379-17.

Rybak JM, Dicken CM, Parker JE, Caudle K, Manigaba K, Whaley SG, Nishimoto A, Luna-Tapia A, Roy S, Zhang Q, Barker KS, Palmer GE, Sutter TR, Homayouni R, Wiederhold NP, Kelly SL, Rogers PD. Loss of C-5 sterol desaturase activity results in increased resistance to azole and echinocandin antifungals in a clinical isolate of Candida parapsilosis. Antimicrobial Agents and Chemotherapy. 2017, doi: 10.1128/AAC.00651-17.

Warrilow AGS, Parker JE, Price CL, Garvey EP, Hoekstra WJ, Schotzinger RJ, Wiederhold NP, Nes WD, Kelly DE, Kelly SL. The tetrazole VT-1161 is a potent inhibitor of Trichophyton rubrum through its inhibition of T. rubrum CYP51. Antimicrobial Agents and Chemotherapy. 2017, EPub ahead of print.

Colley T, Alanio A, Kelly SL, Sehra G, Kizawa Y, Warrilow AGS, Parker JE, Kelly DE, Kimura G, Anderson-Dring L, Nakaoki T, Sunose M, Onions S, Crepin D, Lagasse F, Crittall M, Shannon J, Cooke M, Bretagne S, King-Underwood J, Murray J, Ito K, Strong P, Rapeport G. In vitro and in vivo antifungal profile of a novel and long acting inhaled azole, PC945, on Aspergillus fumigatus infection. Antimicrobial Agents and Chemotherapy. 2017, doi:10.1128/AAC.02280-16.

2016

McCourt P, Liu H-Y, Parker JE, Gallo-Ebert C, Donigan M, Bata A, Giordano C, Kelly SL, Nickels Jr JT. Proper sterol distribution is required for Candida albicans hyphal formation and virulence. G3: Genes, Genomes, Genetics. 2016, doi: 10.1534/g3.116.033969.

Warrilow AG, Price CL, Parker JE, Rolley NJ, Smyrniotis CJ, Hughes DD, Thoss V, Nes WD, Kelly DE, Holman TR, Kelly SL. Azole antifungal sensitivity of sterol 14α-demethylase (CYP51) and CYP5218 from Malassezia globosa. Scientific Reports. 2016, 6, 27690.

Warrilow AG, Parker JE, Price CL, Nes WD, Garvey EP, Hoekstra WJ, Schotzinger RJ, Kelly DE, Kelly SL. The investigational drug VT-1129 is a highly potent inhibitor of Cryptococcus species CYP51 but only weakly inhibits the human enzyme. Antimicrobial Agents and Chemotherapy. 2016, 60(8), 4530-4538.

2015

Warrilow AGS, Parker JE, Price CL, Nes WD, Kelly SL, Kelly DE. CYP51-mediated azole resistance in Aspergillus fumigatus: an in vitro biochemical study. Antimicrobial Agents and Chemotherapy. 2015, 59(12), 7771-7778.

Berkow El, Manigaba K, Parker JE, Barker KS, Kelly SL, Rogers PD. Multidrug transporters and alterations in sterol biosynthesis contribute to azole antifungal resistance in Candida parapsilosis. Antimicrobial Agents and Chemotherapy. 2015, 59(10), 5942-5950.

Derbyshire MC, Michaelson L, Parker J, Kelly S, Thacker U, Powers SJ, Bailey A, Hammond-Kosack K, Courbot M, Rudd J. Analysis of cytochrome b5 reductase-mediated metabolism in the phytopathogenic fungus Zymoseptoria tritici reveals novel functionalities implicated in virulence. Fungal Genetics and Biology. 2015, 82, 69-84.

Lamb DC, Warrilow AG, Rolley NJ, Parker JE, Nes WD, Smith SN, Kelly DE, Kelly SL. Azole antifungal agents to treat the human pathogens Acanthamoeba castellanii and Acanthamoeba polyphaga through inhibition of sterol 14alpha-demethylase (CYP51). Antimicrobial Agents and Chemotherapy. 2015, 59(8), 4707-4713.

Price CL, Parker JE, Warrilow AGS, Kelly DE, Kelly SL. Azole fungicides - understanding resistance mechanisms in agricultural fungal pathogens. Pest Management Science. 2015, 71(8), 1054-1058.

Price CL, Warrilow AGS, Parker JE, Mullins JGL, Nes WD, Kelly DE, Kelly SL. Novel substrate specificity and temperature sensitive activity of Mycosphaerella graminicola CYP51 (MgCYP51) supported by the native NADPH cytochrome P450 reductase (CPR). Applied and Environmental Microbiology. 2015, 81(10), 3379-3386.

2014

Warrilow AGS, Hull CM, Parker JE, Garvey EP, Hoekstra WJ, Moore WR, Schotzinger RJ, Kelly DE, Kelly SL. The clinical candidate VT-1161 is a highly potent inhibitor of Candida albicans CYP51 but fails to bind the human enzyme. Antimicrobial Agents and Chemotherapy. 2014, Epub.

Parker JE, Warrilow AGS, Price CL, Mullins JGL, Kelly DE, Kelly SL. Resistance to antifungals that target CYP51. Journal of Chemical Biology. 2014, 7(4), 143-161.

Warrilow AGS, Hull CM, Rolley NJ, Parker JE, Nes WD, Smith SN, Kelly DE, Kelly SL. Clotrimazole as a potent agent for treating the oomycete fish pathogen Saprolegnia parasitica through inhibition of sterol 14alpha-demethylase (CYP51). Applied and Environmental Microbiology. 2014. 80(19), 6154-6166.

2013

Eddouzi J, Parker JE, Vale-Silva LA, Coste A, Ischer F, Kelly S, Manai M, Sanglard D. Molecular mechanisms of drug resistance in clinical Candida species isolated from Tunisian hospitals. Antimicrobial Agents and Chemotherapy. 2013, 57(7), 3182-3193.

Hoobler EK, Rai G, Warrilow AGS, Perry SC, Smyrniotis CJ, Jadhav A, Simeonov A, Parker JE, Kelly DE, Maloney DJ, Kelly SL, Holman TR. Discovery of a novel dual fungal CYP51/human 5-lipoxygenase inhibitor: implications for anti-fungal therapy. PLoS One. 2013, 8(6), e65928.

Fan JR, Urban M, Parker JE, Brewer HC, Kelly SL, Hammond-Kosack KE, Fraaije BA, Liu XL, Cools HJ. Characterization of the sterol 14 alpha-demethylases of Fusarium graminearum identifies a novel genus-specific CYP51 function. New Phytologist. 2013, 198(3), 821-835.

Parker JE, Warrilow AG, Cools HJ, Fraaije BA, Lucas JA, Rigdova K, Griffiths WJ, Kelly DE, KellySL. Prothioconazole and prothioconazole-desthio activity against Candida albicans sterol 14 alpha-demethylase (CaCYP51). Applied and Environmental Microbiology. 2013, 79(5), 1639-1645.

Fan JR, Urban M, Parker JE, Brewer HC, Kelly SL, Hammond-Kosack KE, Fraaije BA, Liu XL, Cools HJ. Characterization of the sterol 14 alpha-demethylases of Fusarium graminearum identifies a novel genus-specific CYP51 function. New Phytologist. 2013, 198(3), 821-835.

Parker JE, Warrilow AG, Cools HJ, Fraaije BA, Lucas JA, Rigdova K, Griffiths WJ, Kelly DE, KellySL. Prothioconazole and prothioconazole-desthio activity against Candida albicans sterol 14 alpha-demethylase (CaCYP51). Applied and Environmental Microbiology. 2013, 79(5), 1639-1645.

2012

Hull CM, Bader O, Parker JE, Weig M, Gross U, Warrilow AG, Kelly DE, Kelly SL. Two clinical isolates of Candida glabrata exhibiting reduced sensitivity to amphotericin B both harbor mutations in ERG2. Antimicrobial Agents and Chemotherapy. 2012, 56(12), 6417-6421.

Hull CM, Parker JE, Bader O, Weig M, Gross U, Warrilow AG, Kelly DE, KellySL. Facultative sterol uptake in an ergosterol-deficient clinical isolate of Candida glabrata harboring a missense mutation in ERG11 and exhibiting cross-resistance to azoles and amphotericin B. Antimicrobial Agents and Chemotherapy. 2012, 56(8), 4223-4232.

Warrilow AGS, Mullins JGL, Hull CM, Parker JE, Lamb DC, Kelly DE, Kelly SL. S279 point mutations in Candida albicans sterol 14-alpha demethylase (CYP51) reduces in vitro inhibition by fluconazole. Antimicrobial Agents and Chemotherapy. 2012, 56(4), 2099-2107.

2011

Cools HJ, Mullins JGL, Fraaije BA, Parker JE, Kelly DE, Lucas JA, Kelly SL. Impact of recently emerged sterol 14 alpha-demethylase (CYP51) variants of Mycosphaerella graminicola on azole fungicide sensitivity. Applied and Environmental Microbiology. 2011, 77(11), 3830-3837.

Parker JE, Warrilow AGS, Cools HJ, Martel CM, Nes, WD, Fraaije BA, Lucas JA, Kelly DE, and Kelly SL. Mechanism of binding of prothioconazole to Mycosphaerella graminicola CYP51 differs from that of other azole antifungals. Applied and Environmental Microbiology. 2011, 77(4), 1460-1465.

Martel CM, Parker JE, Jackson CJ, Warrilow AGS, Rolley N, Greig C, Morris SM, Donnison IS, Kelly DE, Kelly SL. Expression of bacterial levanase in yeast enables simultaneous saccharification and fermentation of grass juice to bioethanol. Bioresource Technology. 2011, 102(2), 1503-1508.

2010

Martel CM, Parker JE, Bader O, Weig M, Gross U, Warrilow AGS, Rolley N, Kelly DE, Kelly SL. Identification and characterization of four azole-resistant erg3 mutants of Candida albicans. Antimicrobial Agents and Chemotherapy. 2010, 54(11), 4527-4533.

Martel CM, ParkerJE, Warrilow AGS, Rolley N, Kelly SL, Kelly, DE. Complementation of a Saccharomyces cerevisiae ERG11/CYP51 (sterol 14 alpha-demethylase) doxycycline-regulated mutant and screening of the azole sensitivity of Aspergillus fumigatus isoenzymes CYP51A and CYP51B. Antimicrobial Agents and Chemotherapy. 2010, 54(11), 4920-4923.

Warrilow AGS, Melo N, Martel CM, Parker JE, Kelly SL, Kelly DE. Expression, purification, and characterization of Aspergillus fumigatus sterol 14-alpha demethylase (CYP51) isoenzymes A and B. Antimicrobial Agents and Chemotherapy. 2010, 54(10), 4225-4234.

Warrilow AGS, Martel CM, Parker JE, Melo N, Lamb DC, Nes D, Kelly DE, Kelly SL. Azole binding properties of Candida albicans sterol 14-alpha demethylase (CaCYP51). Antimicrobial Agents and Chemotherapy. 2010, 54(10), 4235-4245.

Martel CM, Parker JE, Bader O, Weig M, Gross U, Warrilow AGS, Kelly DE, Kelly SL. A clinical isolate of Candida albicans with mutations in ERG11 (encoding sterol 14 alpha-demethylase) and ERG5 (encoding C22 desaturase) is cross resistant to azoles and amphotericin B. Antimicrobial Agents and Chemotherapy. 2010, 54(9), 3578-3583.

Cools HJ, Parker JE, Kelly DE, Lucas JA, Fraaije BA, Kelly SL. Heterologous expression of mutated eburicol 14 alpha-demethylase (CYP51) proteins of Mycosphaerella graminicola to assess effects on azole fungicide Sensitivity and intrinsic protein function. Applied and Environmental Microbiology. 2010, 76(9), 2866-2872.

Martel CM, Warrilow AGS, Jackson CJ, Mullins JGL, Togawa RC, Parker JE, Morris MS, Donnison IS, Kelly DE, Kelly SL. Expression, purification and use of the soluble domain of Lactobacillus paracasei beta-fructosidase to optimise production of bioethanol from grass fructans. Bioresource Technology. 2010, 101(12), 4395- 4402.

2009

Warrilow AGS, Jackson CJ, Parker JE, Marczylo TH, Kelly DE, Lamb DC, Kelly SL. Identification, characterization and azole-binding properties of Mycobacterium smegmatis CYP164A2, a homolog of ML2088, the sole cytochrome P450 gene of Mycobacterium leprae. Antimicrobial Agents and Chemotherapy 2009, 53(3) 1157-1164.

2008

Parker JE, Merkamm M, Manning NJ, Pompon D, Kelly SL, Kelly DE. Differential azole antifungal efficacies contrasted using a Saccharomyces cerevisiae strain humanized for sterol 14 alpha-demethylase at the homologous locus. Antimicrobial Agents and Chemotherapy 2008, 52(10) 3597-3603.

Jackson CJ, Lamb DC, Warrilow AGS, Parker JE, de Melo NR, Kelly DE, Kelly SL. P450s in microbial sterol biosynthesis and drug targets. Acta Chimica Slovenica 2008, 55(1) 58-62.

2003

Jackson CJ, Lamb DC, Marczylo TH, Parker JE, Manning NL, Kelly DE, Kelly SL. Conservation and cloning of CYP51: a sterol 14alpha-demethylase from Mycobacterium smegmatis. Biochemical and Biophysical Research Communications 2003, 301(2) 558-563.

Affiliations

Member of the Royal Society of Biology

Fellow of the Higher Education Academy

STEM Ambassador