• 21936
1994 …2023

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Personal profile

Research Profile

Research Interests:

My research interests focus on metabolism of the microbial community that inhabits the human intestine and how it can be modulated by diet to improve human health. Key interests include:

  • Microbial fermentation of dietary non-digestible carbohydrates (fibre)
  • Short-chain fatty acid production by the gut microbiota
  • Functional roles of specific gut microbes
  • Microbial community interactions during dietary fibre fermentation
  • Mathematical modelling of microbial metabolism
  • Influence of fibre structure on microbial community fermentation



Clarivate (Web of Science) highly cited researcher 2018-2020

Scientific Advisory Board member Enterobiotix Ltd., Aberdeen, 2015-2020

Scientific Advisory Board member of Limagrain Ingredients via Consultancy firm Nutrikeo, Clermont-Ferrand, France, since 2020

International Centre for Aquaculture Research and Development (ICARD) member, since 2015

Visiting Fellow at the Center for Advanced Studies at Ludwig-Maximilians-Universitaet Muenchen, Nov 2018

International Life Sciences Institute (ILSI) Europe Workshop ‘The role of gut derived short chain fatty acids in human health’, 28-29.11.2018, invited expert



PhD student Xiaolei Ze (2009-2013, co-supervisor) ‘Degradation and utilization of resistant starch by microbiota in the human large intestine’

PhD student Timo Kramer (2016-2021) ‘Molecular and physiological characteriwsation of Pectinatus frisingensis

PhD student Michael Solvang (2017-2021) ‘Development of novel food ingredients that promote health via modulation of the gut microbiota’

PhD student Noshin Daud (2017-2021, co-supervisor) ‘Interactions Between Food-Borne Mycotoxins and Human Gut Microbiota'

PhD student Galiana Lo (2018-2021, co-supervisor) ‘Mining and modelling the human gut microbiome to elucidate its metabolic potential’

PhD student Simbarashe Biti (2019-2022, co-supervisor) ‘Sustainable adsorbents from waste for feasible post-combustion CO2 capture’

PhD student Daniel Underwood (2019-2023, co-supervisor) ‘Interactions during S. aureus internalisation in macrophages and non-professional phagocytic cells’



Lectures at 2nd, 4th and 5th year level for seven courses at UoA, spanning microbiology, genetics, nutrition, diabetes and disease prevention

Practical in 2nd year Genetics

Supervision of Honours and MSc student research projects

Expertise related to UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):

  • SDG 3 - Good Health and Well-being

Education/Academic qualification

Life Sciences & Medicine, Doctoral Degree, : Molecular biological studies on Marinococcus halophilus – Identification of genes for ectoine biosynthesis and their osmoregulated expression in Escherichia coli , University of Bonn

Award Date: 13 Dec 1996

Biological Sciences, Diploma, The stabilising effect of compatible solutes on drying and storage of Escherichia coli, University of Bonn

Award Date: 5 Oct 1992


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