• Room 01.065 - Biological Sciences

    United Kingdom

Accepting PhD Students

PhD projects

Biogeochemistry of microbial phosphorus and nitrogen cycling Wastewater microbiology Bioremediation Microbial genomics, metagenomics and transcriptomics Soil microbiology Environmental sustainability Anaerobic digestion Clostridium difficile https://www.qub.ac.uk/schools/SchoolofBiologicalSciences/Connect/AcademicStaff/ProfessorJohnMcGrath/

19952020

Research output per year

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Research Output

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Article
2020

Phosphorus speciation and fertiliser performance characteristics: a comparison of waste recovered struvites from global sources

Hall, R., Boisen Staal, L., Macintosh, K., McGrath, J., Bailey, J., Black, L., Nielsen, U. G., Reitzel, K. & Williams, P., 15 Mar 2020, In : Geoderma. 362, 11 p., 114096.

Research output: Contribution to journalArticle

2019
Open Access
File
5 Citations (Scopus)
126 Downloads (Pure)

Emergence of a non-sporulating secondary phenotype in Clostridium (Clostridioides) difficile ribotype 078 isolated from humans and animals

Connor, M. C., McGrath, J. W., McMullan, G., Marks, N., Guelbenzu, M. & Fairley, D. J., 23 Sep 2019, In : Scientific Reports. 9, 12 p., 13722.

Research output: Contribution to journalArticle

Open Access
File
63 Downloads (Pure)

New Training To Meet The Global Phosphorus Challenge

Reitzel, K., Bennett, W., Berger, N., Brownlie, W., Bruun, S., Christensen, M., Cordell, D., van Dijk, K., Egemose, S., Eigner, H., Glud, R. N., Grönfors, O., Hermann, L., Houot, S., Hupfer, M., Jacobs, B., Korving, L., Kjærgaard, C., Liimatainen, H., Van Loosdrecht, M. & 22 others, Macintosh, K. A., Magid, J., Maia, F., Martin-Ortega, J., McGrath, J., Meulepas, R., Murray, M., Neset, T-S., Neumann, G., Nielsen, U. G., Nielsen, P. H., O'Flaherty, V., Qu, H., Santner, J., Seufert, V., Spears, B., Stringer, L., Stutter, M., Verburg, P. H., Wilfert, P., Williams, P. & Metson, G., 08 Jul 2019, In : Environmental Science and Technology. 53, 15, p. 8479-8481 3 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

The potential for polyphosphate cycling in Archaea and anaerobic polyphosphate formation in Methanosarcina mazei

Paula, F. S., Chin, J. P., Schnurer, A., Muller, B., Manesiotis, P., Waters, N., Macintosh, K. A., Quinn, J. P., Connolly, J., Abram, F., McGrath, J. W. & O'Flaherty, V., 19 Nov 2019, In : Scientific Reports. 9, 1, 12 p., 17101.

Research output: Contribution to journalArticle

Open Access
File
37 Downloads (Pure)

Transforming phosphorus use on the island of Ireland: A model for a sustainable system

Macintosh, K. A., Chin, J., Jacobs, B., Cordell, D., McDowell, R. W., Butler, P., Haygarth, P. M., Williams, P., Quinn, J. P., O'Flaherty, V. & McGrath, J. W., 15 Mar 2019, In : Science of the Total Environment. 656, p. 852-861 656.

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
54 Downloads (Pure)

Transforming soil phosphorus fertility management strategies to support the delivery of multiple ecosystem services from agricultural systems

Macintosh, K. A., Doody, D. G., Withers, P. J. A., McDowell, R. W., Smith, D. R., Johnson, L. T., Bruulsema, T. W., O’Flaherty, V. & McGrath, J. W., Feb 2019, In : Science of the Total Environment. 649, p. 90-98 9 p.

Research output: Contribution to journalArticle

Open Access
File
16 Citations (Scopus)
118 Downloads (Pure)
2018

Characterization of a novel ω-transaminase from a Triassic salt mine metagenome

Kelly, S. A., Skvortsov, T., Magill, D., Quinn, D. J., McGrath, J. W., Allen, C. C. R., Moody, T. S. & Gilmore, B. F., 01 Sep 2018, In : Biochemical and Biophysical Research Communications. 503, 4, p. 2936-2942 7 p.

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
97 Downloads (Pure)

Development of an optimized broth enrichment culture medium for the isolation of Clostridium difficile

Connor, M. C., McGrath, J. W., McMullan, G., Marks, N. & Fairley, D. J., Dec 2018, In : Anaerobe. 54, p. 92-99 8 p.

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
105 Downloads (Pure)

Insights into the structural dynamics of the bacteriophage T7 DNA polymerase and its complexes

Magill, D., McGrath, J., O'Flaherty, V., Quinn, J. & Kulakov, L., 01 Jun 2018, In : Journal of Molecular Modeling. 24, 7, p. 1-12

Research output: Contribution to journalArticle

Open Access
File
184 Downloads (Pure)

Phosphate insensitive aminophosphonate mineralisation within oceanic nutrient cycles

Chin, J. P., Quinn, J. P. & McGrath, J. W., 16 Jan 2018, In : The ISME Journal. 12, p. 973–980

Research output: Contribution to journalArticle

Open Access
File
3 Citations (Scopus)
209 Downloads (Pure)
2017
Open Access
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14 Citations (Scopus)
309 Downloads (Pure)

Organic phosphorus in the terrestrial environment: A perspective on the state of the art and future priorities.

George, TS., Giles, CD., Menezes-Blackburn, D., Condron, LM., Gama-Rodrigues, AC., Jaisi, D., Lang, F., Neal, AL., Stutter, MI., Almeida, DS., Bol, R., Cabugao, KG., Celi, L., Cotner, JB., Feng, G., Goll, DS., Hallama, M., Krueger, J., Plassard, C., Rosling, A. & 66 others, Darch, T., Fraser, T., Giesler, R., Richardson, AE., Tamburini, F., Shand, CA., Lumsdon, DG., Zhang, H., Blackwell, MSA., Wearing, C., Mezeli, MM., Almås, ÅR., Audette, Y., Bertrand, I., Beyhaut, E., Boitt, G., Bradshaw, N., Brearley, CA., Bruulsema, TW., Ciais, P., Cozzolino, V., Cuevas, PD., Mora, ML., de Menezes, AB., Dodd, RJ., Dunfield, K., Engl, C., Frazão, JJ., Garland, G., González Jiménez, JL., Graca, J., Granger, SJ., Harrison, AF., Heuck, C., Hou, EQ., Johnes, PJ., Kaiser, K., Kjær, HA., Klumpp, E., Lamb, AL., Macintosh, K. A., Mackay, EB., McGrath, J., McIntyre, C., McLaren, T., Mészáros, E., Missong, A., Mooshammer, M., Negrón, CP., Nelson, L-A., Pfahler, V., Poblete-Grant, P., Randall, M., Seguel, A., Seth, K., Smith, AC., Smits, MM., Sobarzo, JA., Spohn, M., Tawaraya, K., Tibbett, M., Voroney, P., Wallander, H., Wang, L., Wasaki, J. & Haygarth, PM., 06 Oct 2017, In : Plant and Soil. 18 p.

Research output: Contribution to journalArticle

Open Access
File
41 Citations (Scopus)
280 Downloads (Pure)

Pf16 and phiPMW Expanding the realm of Pseudomonas putida bacteriophages

Magill, D. J., Krylov, V. N., Shaburova, O. V., McGrath, J. W., Allen, C. C. R., Quinn, J. P. & Kulakov, L. A., 06 Sep 2017, In : PloS one. 12, 9, p. e0184307

Research output: Contribution to journalArticle

Open Access
File
4 Citations (Scopus)
40 Downloads (Pure)

Temporal dynamics of uncultured viruses: a new dimension in viral diversity

Arkhipova, K., Skvortsov, T., Quinn, J., McGrath, J., Allen, C., Dutilh, B., McElarney, Y. R. & Kulakov, L., 13 Oct 2017, In : The ISME Journal.

Research output: Contribution to journalArticle

Open Access
File
7 Citations (Scopus)
179 Downloads (Pure)
2016

Biological phosphorus removal during high-rate, low-temperature, anaerobic digestion of wastewater.

Keating, C., Chin, J. P., Hughes, D., Manesiotis, P., Cysneiros, D., Mahony, T., Smith, C. J., McGrath, J. W. & O'Flaherty, V., 03 Mar 2016, In : Frontiers in Microbiology. 7, 14 p., 226.

Research output: Contribution to journalArticle

Open Access
File
21 Citations (Scopus)
350 Downloads (Pure)

Clostridium difficile Ribotype 023 Lacks the Ability To Hydrolyze Esculin, Leading to False-Negative Results on Chromogenic Agar

Connor, M. C., Fairley, D. J., McKenna, J. P., Marks, N. J. & McGrath, J. W., May 2016, In : Journal of Clinical Microbiology. 54, 5, p. 1404-1405

Research output: Contribution to journalArticle

4 Citations (Scopus)

Metagenomic characterisation of the viral community of lough neagh, the largest freshwater lake in Ireland

Skvortsov, T., De Leeuwe, C., Quinn, J. P., McGrath, J. W., Allen, C. C. R., McElarney, Y., Watson, C., Arkhipova, K., Lavigne, R. & Kulakov, L. A., 29 Feb 2016, In : PLoS ONE. 11, 2, 19 p., e0150361.

Research output: Contribution to journalArticle

Open Access
File
31 Citations (Scopus)
247 Downloads (Pure)

Microbial phylogenetic and functional responses within acidified wastewater communities exhibiting enhanced phosphate uptake

Weerasekara, A. W., Jenkins, S., Abbott, L. K., Waite, I., McGrath, J. W., Larma, I., Eroglu, E., O'Donnell, A. & Whiteley, A. S., Nov 2016, In : Bioresource Technology. 220, p. 55-61 7 p.

Research output: Contribution to journalArticle

Open Access
File
8 Citations (Scopus)
196 Downloads (Pure)
16 Citations (Scopus)
2014

Organophosphonates revealed: new insights into the microbial metabolism of ancient molecules.

McGrath, J. W., Chin, J. P. & Quinn, J. P., Jun 2014, In : Nature Reviews: Microbiology. 11, 6, p. 412-419 8 p.

Research output: Contribution to journalArticle

97 Citations (Scopus)
2013

The effect of polyphosphate kinase gene deletion on polyhydroxyalkanoate accumulation and carbon metabolism in Pseudomonas putida KT2440.

Casey, W. T., Nikodinovic-Runic, J., Garcia, P. F., Guzik, M. W., McGrath, J. W., Quinn, J. P., Cagney, G., Prieto, M. A. & O'Connor, K. E., Oct 2013, In : ENVIRONMENTAL MICROBIOLOGY REPORTS. 5, 5, p. 740-746 7 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)
2012

Genomic Analysis of Pseudomonas putida Phage tf with Localized Single-Strand DNA Interruptions

Glukhov, A. S., Krutilina, A. I., Shlyapnikov, M. G., Severinov, K., Lavysh, D., Kochetkov, V. V., McGrath, J., de Leeuwe, C., Shaburova, O. V., Krylov, V. N., Akulenko, N. V. & Kulakov, L., 07 Dec 2012, In : PLoS ONE. 7, 12, e51163.

Research output: Contribution to journalArticle

15 Citations (Scopus)

The Genes and Enzymes of Phosphonate Metabolism by Bacteria, and Their Distribution in the Marine Environment

Villarreal Chiu, J., Quinn, J. & McGrath, J., 2012, In : Frontiers in Microbiology. 26, 3, p. 19

Research output: Contribution to journalArticle

80 Citations (Scopus)
2011

Direct Quantification of Inorganic Polyphosphate in Microbial Cells Using 4 '-6-Diamidino-2-Phenylindole (DAPI)

Kulakova, A. N., Hobbs, D., Smithen, M., Pavlov, E., Gibert, J. A., Quinn, J. & McGrath, J., 15 Sep 2011, In : Environmental Science and Technology. 45, 18, p. 7799-7803 5 p.

Research output: Contribution to journalArticle

46 Citations (Scopus)

Novel Analysis of Oceanic Surface Water Metagenomes Suggests Importance of Polyphosphate Metabolism in Oligotrophic Environments

Temperton, B., Gilbert, J. A., Quinn, J. & McGrath, J., 2011, In : PLoS ONE. 6, 1, e16499.

Research output: Contribution to journalArticle

36 Citations (Scopus)

Permanent draft genome sequence of Vibrio tubiashii strain NCIMB 1337 (ATCC19106)

McGrath, J., Temperton, B., Thomas, S., Tait, K., Parry, H., Emery, M., Allen, M., Quinn, J. P., McGrath, J. W. & Gilbert, J. A., 2011, In : Standards in Genomic Sciences. 4, 2, p. 183-190 8 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Phosphonoacetate biosynthesis: in vitro detection of a novel NADP(+)-dependent phosphonoacetaldehyde-oxidizing activity in cell-extracts of the marine Roseovarius nubinhibens ISM.

Cooley, N. A., Kulakova, A. N., Villarreal-Chiu, J. F., Gilbert, J. A., McGrath, J. W. & Quinn, J. P., 01 May 2011, In : Mikrobiologiia. 80, 3, p. 329-334 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Phosphonoacetate biosynthesis: In vitro detection of a novel NADP(+)-dependent phosphonoacetaldehyde-oxidizing activity in cell-extracts of a marine Roseobacter

Cooley, N. A., Kulakova, A. N., Villarreal-Chiu, J. F., Gilbert, J. A., McGrath, J. & Quinn, J., Jun 2011, In : Microbiology. 80, 3, p. 335-340 6 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Relative metabolomic flux: Predicting changes in the environmental metabolome from the metagenome

Larsen, P. E., Collart, F. R., Field, D., Meyer, F., Keegan, K. P., Henry, C. S., McGrath, J., Quinn, J. & Gilbert, J. A., 14 Jun 2011, In : Microbial Informatics and Experimentation. 1, 4, p. 1-11 11 p.

Research output: Contribution to journalArticle

Stimulation of phosphate uptake and polyphosphate accumulation by activated sludge microorganisms in response to sulfite addition

Kulakova, A., Quinn, J., McGrath, J. & Lai, M. W. Y., 2011, In : Water Science Technology. 63, 4, p. 649-653 5 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Studies on the biodegradation of fosfomycin: Synthesis of 13C-labeled intermediates, feeding experiments with rhizobium huakuii PMY1, and Isolation of Labeled Amino Acids from Cell Mass by HPLC

McGrath, J. W., Hammerschmidt, F., Kaehlig, H., Wuggenig, F., Lamprecht, G. & Quinn, J. P., 18 Nov 2011, In : Chemistry - A European Journal. 17, 47, p. 13341-13348 8 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2010

Evidence for phosphonate usage in the coral holobiont

Thomas, S., Burdett, H., Temperton, B., Wick, R., Snelling, D., McGrath, J., Quinn, J., Munn, C. & Gilbert, J. A., Mar 2010, In : The ISME Journal. 4, 3, p. 459-461 3 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Hydrophobic substances induce water stress in microbial cells

Bhaganna, P., Volkers, R. J. M., Bell, A. N. W., Kluge, K., Timson, D., McGrath, J. W., Ruijssenaars, H. J. & Hallsworth, J. E., Nov 2010, In : Microbial Biotechnology. 3, 6, p. 701-716 16 p.

Research output: Contribution to journalArticle

83 Citations (Scopus)
2009

Expression of the phosphonoalanine-degradative gene cluster from Variovorax sp Pal2 is induced by growth on phosphonoalanine and phosphonopyruvate

Kulakova, A., Kulakov, L., Villarreal-Chiu, J. F., Gilbert, J. A., McGrath, J. & Quinn, J., Mar 2009, In : FEMS Microbiology Letters. 292, 1, p. 100-106 7 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Potential for phosphonoacetate utilization by marine bacteria in temperate coastal waters

Gilbert, J. A., Thomas, S., Cooley, N., Kulakova, A., Field, D., Booth, T., McGrath, J., Quinn, J. & Joint, I., Jan 2009, In : Environmental Microbiology. 11, 1, p. 111-125 15 p.

Research output: Contribution to journalArticle

44 Citations (Scopus)

Studies on the biodegradation of fosfomycin: Growth of Rhizobium huakuii PMY1 on possible intermediates synthesised chemically

McGrath, J., Hammerschmidt, F., Preusser, W., Quinn, J. & Schweifer, A., 2009, In : Organic and Biomolecular Chemistry. 7, 9, p. 1944-1953 10 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)
8 Citations (Scopus)
2007

Development and application of a resazurin-based biomass activity test for activated sludge plant management.

Quinn, J., McNicholl, B. P. & McGrath, J., Jan 2007, In : Water Research. 41, 1, p. 127-133 7 p.

Research output: Contribution to journalArticle

45 Citations (Scopus)

New ways to break an old bond: the bacterial carbon-phosphorus hydrolases and their role in biogeochemical phosphorus cycling

Quinn, J., Kulakova, A., Cooley, N. A. & McGrath, J., Jul 2007, In : Environmental Microbiology. 9(10), 10, p. 2392-2400 9 p.

Research output: Contribution to journalArticle

98 Citations (Scopus)

Polyphosphate accumulation by Pseudomonas putida CA-3 and other medium chain length polyhydroxyalkanoate accumulating bacteria under aerobic growth conditions.

McGrath, J., O'Connor, K. E., Quinn, J., Tobin, K. M. & Mullan, A., Feb 2007, In : Applied and Environmental Microbiology. 73(4), 4, p. 1383-1387 5 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)
2006

Effect of reduced pH on inorganic polyphosphate accumulation by Burkholderia cepacia complex isolates.

Moriarty, T. F., Mullan, A., McGrath, J., Quinn, J., Elborn, J. & Tunney, M., Jun 2006, In : Letters in Applied Microbiology. 42(6), 6, p. 617-623 7 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Pilot-scale evaluation of the application of low pH-inducible polyphosphate accumulation to the biological removal of phosphate from wastewaters.

McGrath, J., Adamson, T., Irwin, S., Quinn, J. & Mullan, A., 01 Jan 2006, In : Environmental Science and Technology. 40, 1, p. 296-301 6 p.

Research output: Contribution to journalArticle

48 Citations (Scopus)
2005

An evaluation of three 'new-generation' tetrazolium salts for the measurement of respiratory activity in activated sludge microorganisms.

McGrath, J., McCluskey, C. & Quinn, J., Apr 2005, In : Microbial Ecology. 49(3), 3, p. 379-387 9 p.

Research output: Contribution to journalArticle

33 Citations (Scopus)

In vitro detection and characterisation of a polyphosphate synthesising activity in the yeast Candida humicola G-1.

Kulakov, L., Kulakova, A., McGrath, J. & Quinn, J., May 2005, In : Research in Microbiology. 156(4), 4, p. 485-491 7 p.

Research output: Contribution to journalArticle

22 Citations (Scopus)
2003

Microbial phosphate removal and polyphosphate production from wastewaters

McGrath, J. & Quinn, J., 2003, In : Advances in Applied Microbiology. 52, p. 75-100 26 p.

Research output: Contribution to journalArticle

25 Citations (Scopus)
2002
28 Citations (Scopus)

Enhanced phosphate uptake and polyphosphate accumulation in Burkholderia cepacia grown under low pH conditions.

Mullan, A., Quinn, J. & McGrath, J., 2002, In : Microbial Ecology. 44, 1, p. 69-77 9 p.

Research output: Contribution to journalArticle

42 Citations (Scopus)

Phosphate Removal from Wastewaters: A Novel Approach

Mullan, M., Quinn, J. & McGrath, J., 2002, In : Engineering in Life Sciences. 2, 2, p. 63-66

Research output: Contribution to journalArticle

Phosphate Removal from Wastewaters: A novel pH based approach

McGrath, J., Quinn, J. & Mullan, A., 2002, In : Chemical Engineering and Technology. 2, p. 63-66 4 p.

Research output: Contribution to journalArticle