Queen's University, Belfast

Current Position Head of School, Biological Sciences
Previous Position Professor of Microbiology, Ulster University
Telephone +44 (0) 2890972084
Email geoff.mcmullan@qub.ac.uk
Departments School of Biological Sciences
Quadrat Core Themes Biodiversity, Environmental Management
Methods I Use Omics and Informatics


Key Research Interests

  • Clostridium difficile – environmental distribution and functionality
  • Bacterial stress and survival mechanisms
  • Quantification of microbial functionality through the use of tools such as high throughput MS based proteomics

Recent Key Papers

  • Increased sporulation underpins adaptation of Clostridium difficile strain 630 to a biologically–relevant faecal environment, with implications for pathogenicity Ternan, Nigel G.; Moore, Nicola; Smyth, Deborah; McDougall, Gordon; Allwood, James William; Verrall, Susan Verrall; Gill, Chris; Dooley, James; McMullan, Geoff In: Scientific Reports, 2018, in press
  • Linkages between extracellular enzyme activities and the carbon and nitrogen content of grassland soils. Cenini, Valeria L.; Fornara, Dario A.; McMullan, Geoffrey; Ternan, Nigel; Carolan, Rachael; Crawley, Michael J.; Clément, Jean Christophe; Lavorel, Sandra. In: Soil Biology and Biochemistry, Vol. 96, 01.05.2016, p. 198-206.
  • Inactivation of the dnaK gene in Clostridium difficile 630 Δerm yields a temperature-sensitive phenotype and increases biofilm-forming ability. Jain, Shailesh; Smyth, Deborah; O’Hagan, Barry M.G.; Heap, John T.; McMullan, Geoff; Minton, Nigel P.; Ternan, Nigel G. In: Scientific Reports, Vol. 7, No. 1, 17522, 13.12.2017, p. 1-13.

Summary Title of Current Studentships

  • Zoonotic potential of Clostridium difficile
  • Impact of diet on pig microbiome and commercial performance
  • Molecular triggers involved in environmental persistence of Clostridium difficile