microbiology>people>academic Staff
Dr Gavin Collins
(B.Sc., Ph.D.)
School of Natural Sciences & The
Ryan Institute for Environmental, Marine & Energy Research
Lecturer in Environmental Microbiology
European Research Council (ERC) Fellow (The '
3C-BIOTECH Project)
PI,
Microbial Ecophysiology & EcoEngineering Lab
PI, EPSRC
Transforming Waste Project Consortium, University of Glasgow

Research Interests
Microbial diversity; evolution; biofilm formation; ecophysiology and fitness; and 'eco-engineering' of yet-to-be-cultivated
microbes, especially in biotechnologically-relevant and
environmentally-important biofilms, including carbon-, nitrogen-, sulfur- and iron-cyclers.
Location on campus
Room 206, Microbiology,
Arts/Science Building,
NUI Galway
Visit our full website
For full information, for visitors and students, on my - and my group's -
activities, teaching and on our research projects, please
visit the lab website. |

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Memberships, Reviewing & Other Contributions
Member of:
International Society for Microbial Ecology (ISME);
American Society for Microbiology (ASM); Environmental Sciences Association of Ireland (ESAI); International Water Association (IWA) (ANAEROBIC DIGESTION Specialist Group and BIOFILMS Specialist Group.
Reviewer for:
Anaerobe; Applied and Environmental Microbiology;
Aquaculture;
Biodegradation; Bioresource Technology; Environmental Technology; Enzyme and Microbial Technology; FEMS Microbiology Ecology; Frontiers in Microbiology; Journal of Industrial Microbiology and Biotechnology; Microbial Ecology; The ISME Journal; Water Research; Water Science and Technology; World Journal of Microbiology and Biotechnology.
Other contributions/Distinctions:
Editorial Advisory
Board Member: Environmental and Biological Monitoring Journal
(ISSN: 1875-0400).
Evaluator for the
Belgian Science Policy Office
External examiner, The University of Sheffield
Associate Editor, Frontiers in Microbiology
Antibiotic Action Champion, Ireland, on the International
Antibiotic Action Campaign
British Science Association Media Fellow at The Irish Times, 2013
Member, Validation Panel for programmatic reviews (2013), School of Health & Science,
Dundalk Institute of Technology
Member, Research Pillar Team,
Galway 2040 Initiative
For all activities, visit the
lab
website.
Funding sources/Awards
Science Foundation Ireland;
European Research Council (ERC)
Marie Curie Intra-European Fellowship (at the
Max-Planck Institute, Bremen);
Alexander von Humboldt Foundation Fellowship;
Irish Research Council;
Environmental Protection Agency;
Ireland-Canada University Foundation Fellowship (at the
Suttle Lab for Marine Virology and Microbiology, University of British Columbia, Vancouver);
[Irish] National Parks and Wildlife Service;
NUI Galway Millenium Research Fund;
Royal Irish Academy Fellowship;
Marine Institute (Sea Change Networking Initiative);
International Society for Microbial Ecology
Scientific Communications
Over 150 scientific communications, including >50 peer-reviewed papers in international
journals.
Skip to bottom for link to list of oral/poster presentations and published abstracts.
"
Researcher I.D." profile.
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PEER-REVIEWED JOURNAL PUBLICATIONS & BOOK CHAPTERS
Google Scholar
profile
Barrett, Maria, Jahangir, Mohammed M.R., Lee, Changsoo, Smith, Cindy J., Bhreathnach, Niamh, Collins, Gavin, Richards, Karl G., O'Flaherty, Vincent. (2013). Abundance of denitrification genes under different peizometer depths in four Irish agricultural groundwater sites. Environmental Science and Pollution Research. In Press.
Eoghan Clifford, Colm Kennelly, Richard Walsh, Sean Gerrity, Edmond O'Reilly, Gavin Collins
(2012). Optimization of a horizontal-flow biofilm reactor for the
removal of methane at low temperatures. Journal of the Air & Waste
Management Association 62 (10), 1166-1173.
Sarah Sokoll, Moritz Holtappels, Phyllis Lam, Gavin Collins, Michael Schlüter, Gaute Lavik and Marcel M. M. Kuypers. (2012). Benthic nitrogen loss in the Arabian Sea off Pakistan. Front. Microbiol. (doi: 10.3389/fmicb.2012.00395).
Hang Gao, M Matyka, B Liu, A Khalili, JE Kostka, G Collins, S Jansen, M ... (2012). Intensive and extensive nitrogen loss from intertidal permeable sediments of the Wadden Sea. Limnology and Oceanography 57 (1), 185
Colm Kennelly, Eoghan Clifford, Sean Gerrity, Richard Walsh, Michael Rodgers, Gavin Collins. (2012). A horizontal flow biofilm reactor (HFBR) technology for the removal of methane and hydrogen sulphide at low temperatures. Water science and Technology....
RM McKeown, D Hughes, G Collins, T Mahony, V O’Flaherty (2011). Low-temperature anaerobic digestion for wastewater treatment. Current Opinion in Biotechnology...
SJ Haig, G Collins, RL Davies, CC Dorea, C Quince (2011). Biological aspects of slow sand filtration: past, present and future
Water Science & Technology: Water Supply 11 (4), 468-472
F Abram, AM Enright, J O’Reilly, CH Botting, G Collins, V O’Flaherty (2011). A metaproteomic approach gives functional insights into anaerobic digestion. Journal of applied microbiology 110 (6), 1550-1560
H Gao, F Schreiber, G Collins, MM Jensen, JE Kostka, G Lavik, D de Beer, H ... (2011). Aerobic denitrification in permeable Wadden Sea sediments. The ISME Journal 5 (4), 776-776
K Bialek, J Kim, C Lee, G Collins, T Mahony, V O’Flaherty (2011). Quantitative and qualitative analyses of methanogenic community development in high-rate anaerobic bioreactors. Water research 45 (3), 1298-1308
J O’Reilly, C Lee, F Chinalia, G Collins, T Mahony, V O’Flaherty (2010). Microbial community dynamics associated with biomass granulation in low-temperature (15 C) anaerobic wastewater treatment bioreactors. Bioresource Technology 101 (16), 6336-6344
O'Flaherty, V., Collins, G. and Mahony, T. (2010) Anaerobic Digestion of Agricultural Residues, p. 259-280. In:
Ralph Mitchell and Ji-Dong Gu (eds.), Environmental Microbiology, 2nd Edition, Wiley-Blackwell.
Hang Gao
,
Frank Schreiber
,
Gavin Collins
,
Marlene M Jensen,
Joel E Kostka
,
Gaute Lavik
,
Dirk de Beer
,
Huai-yang Zhou
&
Marcel M M Kuypers (2010). Aerobic denitrification in permeable Wadden Sea sediments.
Nature ISME (www.nature.com/isme),
4, 417-426.
Madden, P., Chinalia, F.A., Enright, A.-M., Collins, G.,
O'Flaherty, V. (2010). PERTURBATION-INDEPENDENT COMMUNITY DEVELOPMENT
IN LOW-TEMPERATURE ANAEROBIC BIOLOGICAL WASTEWATER TREATMENT
BIOREACTORS. Biotechnology and Bioengineering. 105(1), 79-87.
McKeown, R.M., Scully, C., Chinalia, F.A., Mahony, T., Lee, C.,
Collins, G. and O'Flaherty, V. (2009). Psychrophilic
methanogenic
community development during long-term cultivation of anaerobic
granular biofilms.
Nature ISME (nature.com/ismej), 3, 1231-1242.
O'Reilly, J., Lee, C., Collins, G., Chinalia, F.A., Mahony, T. and
O'Flaherty, V. (2009). Quantitative and qualitative analysis of
methanogenic communities in mesophilically and psychrophilically
cultivated anaerobic granular biofilms. Water Research.
43(14),
August 2009,
Pages 3365-3374.
O'Reilly, J., Chinalia, F.A., Collins, G. and O'Flaherty, V. (2009).
Cultivation of low-temperature (15C), anaerobic wastewater
treatment
granules. Letters in Applied Microbiology.
In Press.
McKeown, R.M., Scully, C., Mahony, T., Collins, G. and O'Flaherty, V.
(2009). Long-term (1,243 days), low-temperature (4C), anaerobic
biotreatment of acidified wastewaters: Bioprocess performance and
physiological characteristics. Water Research. 43(6): 1611-1620.
Enright, A.-M., Collins, G., O'Flaherty, V. (2009). Effect of seed sludge and operation conditions on performance and
archaeal community structure of low-temperature anaerobic
solvent-degrading bioreactors. Systematic and Applied Microbiology. 32(1): 65-79.
Fermoso, F.G.,Collins, G., Bartacek, J. and Lens, P.N. (2008) Zinc deprivation of methanol-fed anaerobic granular sludge bioreactors. Journal of Industrial Microbiology and Biotechnology. 35(6): 543-557.
Fermoso, Fernando G., Collins, Gavin, Bartacek, Jan, O'Flaherty, Vincent
and Lens, Piet. (2008). Role of Nickel in high-rate methanol degradation in anaerobic granular sludge bioreactors. Biodegradation. 19(5): 725-737.
Fermoso, F.G., O'Flaherty, V., Collins, G. and Lens, P. (2008). Acidification of methanol-fed anaerobic granular sludge bioreactors by
cobalt deprivation: Induction and microbial community dynamics. Biotechnology and Bioengineering. 99(1): 49-58.
McKeown, R.M., Collins, G., Chinalia, F.A., Mahony, T. and V. O'Flaherty (2008). Low-temperature anaerobic biotreatment of priority pollutants. Water Science and Technology 57(4), 499-503.
Carrigg, C., Rice, O., Kavanagh, S., Collins, G. and O'Flaherty, V. (2007). DNA extraction method affects microbial community profiles from soils and sediment. Appl Microbiol Biotechnol. 77(4), 955-64.
Scully, C., Collins, G. and O'Flaherty, V. (2007). Granular biofilm-based
anaerobic digestion: molecular biomonitoring and high-rate
psychrophilic treatment of phenolic wastewater. Water Science and
Technology. 55(1-2), 43-49.
Enright, A.-M., Collins, G. and O'Flaherty, V. (2007). Temporal microbial diversity in solvent-degrading anaerobic granular sludge from
low-temperature (15C) wastewater treatment bioreactors. Systematic and
Applied Microbiology.30(6), 471-482.
Enright, A.-M., Collins, G. and O'Flaherty, V. (2007).
Low-temperature anaerobic biological treatment of toluene-containing
wastewater. Water Research. 41(7), 1465-1472.
Collins, G., Enright, A.-M., Mahony, T., Gieseke, A., de Beer, D.
and O'Flaherty, V. (2007). Determination and localization of in situ
substrate uptake by anaerobic wastewater treatment granular biofilms.
Water Science Technol. 55(8-9), 369-376.
Collins, G., Kavanagh, S., McHugh, S., Connaughton, S., Kearney,
A., Rice, O., Carrigg, C., Scully, C., Bhreathnach, N., Mahony, T.,
Madden, P., Enright, A.-M. and O'Flaherty, V. (2006). Accessing the
black box of microbial diversity and ecophysiology: recent advances
through polyphasic experiments. Journal of Environmental Science and
Health, Part A. 41(5), 897-922.
Collins, G., McHugh, S., Connaughton, C., Enright, A.-M.,
Kearney, A., Scully, C., Mahony, T., Madden, P. and O'Flaherty, V.
(2006). New low-temperature applications of anaerobic biological
wastewater treatment. Journal of Environmental Science and Health,
41(5), 881-95.
Collins, G., Mahony, T. and O'Flaherty, V. (2006). Stability and
reproducibility of low-temperature anaerobic biological wastewater
treatment. FEMS Microbiology Ecology. 55(3), 449-459.
McHugh, S., Collins, G. and O'Flaherty, V. (2006). Long-term,
high-rate anaerobic biological treatment of whey wastewaters at
psychrophilic temperatures. Bioresource Technology. 97, 1669-1678.
Connaughton, S., Collins, G. and O'Flaherty, V. (2006).
Development of microbial community structure and actvity in a high-rate
anaerobic bioreactor at 18C. Water Research. 40(5), 1009-1017.
Connaughton, S., Collins, G. and O'Flaherty, V. (2006).
Psychrophilic and mesophilic anaerobic digestion of brewery effluent: a
comparative study. Water Research. 40(13), 2503-2510.
Collins, G., Connaughton, S., Enright, A.-M., Scully, C., Mahony,
T. and O'Flaherty, V. (2006). Application and biomolecular monitoring
of psychrophilic anaerobic digestion. Water Science and Technology.
54(2), 41-47.
Scully, C., Collins, G. and O'Flaherty, V. (2006). Anaerobic
biological treatment of phenol at 9.5-15C. Water Research. 40(20),
3737-3744.
Morris, C., McKeown, R., O'Reilly, J., Collins, G. and
O'Flaherty, V. (2006) Culturing the unculturable? Crenarchaeota in anaerobic
wastewater treatment granules. In: Environ 2006, Ed: R. Mole.
Environmental Sciences Association of Ireland.
O'Flaherty, V., Collins, G. and Mahony, T. (2006). The
microbiology and biochemistry of anaerobic bioreactors with relevance
to domestic sewage treatment. Re/Views in Environmental Science and
Bio/Technology. 5, 39-55.
Collins, G., Foy, C., McHugh, S. and O'Flaherty, V. (2005).
Anaerobic treatment of 2,4,6-trichlorophenol in an expanded granular
sludge bed-anaerobic filter (EGSB-AF) bioreactor at 15C. FEMS
Microbiology Ecology (Special Thematic Issue "Microbial Life in Cold
Ecosystems"). 53(1), 167-178.
Collins, G., Foy, C., McHugh, S., Mahony,
T. and O'Flaherty, V. (2005). Anaerobic biological treatment of phenol
at 15-18C. Water Research. 39(8), 1614-1620
Collins,
G., O'Connor, L., Mahony, T., Gieseke, A., de Beer, D. and O'Flaherty,
V. (2005). Distribution, localization and phylogeny of abundant
populations of Crenarchaeota in anaerobic granular sludge.
Applied and
Environmental Microbiology 71(11), 7523-7527.**
Enright, A.-M., McHugh, S., Collins, G. and O'Flaherty, V.
(2005). Low-temperature anaerobic biological treatment of
solvent-containing pharmaceutical wastewater. Water Research. 39(19),
4587-4596.
Scully, C., Collins, G. and O'Flaherty, V. (2005). Assessment
of anaerobic wastewater treatment failure using terminal restriction
fragment length polymorphism analysis. Journal of Applied Microbiology.
99(6), 1463-1472.
Collins, G., Mahony, T., McHugh, S., Gieseke, A., de Beer, D. and
O'Flaherty, V. (2005). Distribution, dynamics and in situ ecophysiology
of Crenarchaeota in anaerobic wastewater treatment granules. Water
Science and Technology. 52(7), 233-239.
McHugh, S., Collins, G., Mahony, T. and O'Flaherty, V. (2005).
Biofilm reactor technology for low-temperature anaerobic waste
treatment: microbiology and process characteristics. Water Science and
Technology. 52(7), 107-113.
Collins, G., Mahony, T. and O'Flaherty, V. (2005). New bugs for
old jobs? The role of uncultured Crenarchaeota in anaerobic wastewater
treatment biofilms. In: Biofilms: Persistence and Ubiquity, Eds: A.
McBain, D. Allison, J. Verran. British Biofilm Club, September 2005,
ISBN: 0-9551030-0-2.
Enright, A.-M., Collins, G., Mahony, T. and O'Flaherty, V. (2005).
Metabolic screening of anaerobic sludges for psychrophilic anaerobic
treatment of solvent wastewaters. Water Intelligence Online. September
2005, ISSN 1476-1777.
McHugh, S., Carton, M., Collins, G. and O'Flaherty, V. (2004).
Reactor performance and microbial community dynamics during anaerobic
biological treatment of simple and complex wastewaters at 16-37C. FEMS
Microbiology Ecology 48(3), 369-378.
Collins, G., McHugh, S., Kearney, A. and O'Flaherty, V. (2004).
Psychrophilic anaerobic digestion of a range of wastewaters: process
technology, microbial activity and population dynamics. Water
Intelligence Online. July 2004, ISSN 1476-1777.
Collins, G., Woods, A., McHugh, S., Carton, M.W. and O'Flaherty, V.
(2003). Microbial community structure and methanogenic activity during
start-up of psychrophilic anaerobic digesters treating synthetic
industrial wastewaters. FEMS Microbiology Ecology 46 (2), 159-170.
This way for list of Oral/Poster Presentations and Published Abstracts