Dr Deirdre Mikkelsen
Senior Lecturer
School of Agriculture and Food Sustainability
+61 7 334 69642
Researcher biography
United Nations (UN) member states in 2015 agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. Dr Deirdre Mikkelsen's postition as a Teacihng and Research Acacemic contributes towards the following UN SDGs:
GOAL 2 - ZERO HUNGER
GOAL 3 - GOOD HEALTH AND WELL-BEING
GOAL 4 - QUALITY EDUCATION
GOAL 12 - RESPONSIBLE CONSUMPTION AND PRODUCTION
GOAL 13 - CLIMATE ACTION
GOAL 15 - LIFE ON LAND
Deirdre is a Microbiologist with experience in molecular microbial ecology techniques, bioinformatics and fermentation microbiology.
Deirdre has a B.Sc with First Class Honours in Microbiology (1999) and PhD in Microbiology (2005) from The University of Queensland (UQ, Australia). She worked at the Advanced Wastewater Management Centre (UQ; 2005), until moving to the Centre for Nutrition and Food Sciences (CNAFS) in 2006. She worked as Postdoctoral Research Fellowship and Research Fellow in CNAFS, Queensland Alliance for Agriculture and Food Innovation, UQ. Deirdre joined the School of Agriculture and Food Susstainability in 2019 as a Teaching and Research Academic, and is presently a Senior Lecturer in Food Science. She course coordinates and lectures FOOD2000 Food Science, FOOD3017 Food Safety & Quality Management and the work integrated learning course FOOD7021 Professional Experience. Deirdre's research is molecular microbial ecology and biopolymer science-based, aiming to provide a mechanistic understanding of how foods, diets and nutrients influence the host gut microbiota. Deirdre has 75 peer-review publications with an h-index of 26 and 2746 citations.
Deirdre is a Member of the Australian Institute of Food Science and Technology (AIFST) and sits on the Queensland Branch Committee. She is also a Member of the Australian Society for Microbiology (ASM). Deirdre is part of the International Union of Food Science and Technology (IUFOST) Food Safety Working Committee, in an education-focused role.
Book Chapters
Mikkelsen, Deirdre, Lopez-Sanchez, Patricia, Wang, Dongjie and Gidley, Michael J. (2020). Formation of cellulose-based composites with hemicelluloses and pectins using Komagataeibacter fermentation. The plant cell wall: methods and protocols. (pp. 73-87) New York, NY, United States: Humana Press. doi: 10.1007/978-1-0716-0621-6_5
Mikkelsen, Deirdre and Gidley, Michael J. (2011). Formation of cellulose-based composites with hemicelluloses and pectins using Gluconacetobacter fermentation. The plant cell wall: methods and protocols. (pp. 197-208) edited by Zoë A. Popper. New York, United States: Springer. doi: 10.1007/978-1-61779-008-9_14
Mikkelsen, Deirdre and Gidley, Michael J. (2011). Formation of Cellulose-Based Composites with Hemicelluloses and Pectins Using Gluconacetobacter Fermentation. The Plant Cell Wall: Methods and Protocols. (pp. not found-not found) edited by Zoë A. Popper. New Jersey, USA: Humana Press.
Journal Articles
Cozzolino, D., Alagappan, S., Ochoa, M., Zhang, S., Yarger, O., Hoffman, L.C. and Mikkelsen, D. (2024). Monitoring compositional changes in black soldier fly larvae after processing (drying and blanching) using near infrared spectroscopy. Infrared Physics & Technology, 138 105212, 1-7. doi: 10.1016/j.infrared.2024.105212
Alagappan, Shanmugam, Hoffman, Louwrens, Mikkelsen, Deirdre, Olarte Mantilla, Sandra, James, Peter, Yarger, Olympia and Cozzolino, Daniel (2024). Near-infrared spectroscopy (NIRS) for monitoring the nutritional composition of black soldier fly larvae (BSFL) and frass. Journal of the Science of Food and Agriculture, 104 (3), 1487-1496. doi: 10.1002/jsfa.13044
Bermudez, Cindy, Yao, Hong, Widaningrum, Williams, Barbara A., Flanagan, Bernadine M., Gidley, Michael J. and Mikkelsen, Deirdre (2024). Biomass attachment and microbiota shifts during porcine faecal in vitro fermentation of almond and macadamia nuts differing in particle sizes. Food and Function, 15 (5), 2406-2421. doi: 10.1039/d3fo03612j
Widaningrum, Flanagan, Bernadine M., Williams, Barbara A., Sonni, Francesca, Mikkelsen, Deirdre and Gidley, Michael J. (2024). In vitro fermentation characteristics of fruit and vegetable juicing wastes using human fecal inoculum are determined by cell wall architecture. Food Hydrocolloids, 146 (Part A) 109205, 109205. doi: 10.1016/j.foodhyd.2023.109205
Yao, Hong, Flanagan, Bernadine M., Williams, Barbara A., Ismail, Munirah, Ersya, Astrada Dyna, Gidley, Michael J. and Mikkelsen, Deirdre (2023). Enzymatic arabinose depletion of wheat arabinoxylan regulates in vitro fermentation profiles and potential microbial degraders. Food Hydrocolloids, 142 108743, 1-10. doi: 10.1016/j.foodhyd.2023.108743
Alagappan, Shanmugam, Dong, Anran, Mikkelsen, Deirdre, Hoffman, Louwrens C., Mantilla, Sandra Milena Olarte, James, Peter, Yarger, Olympia and Cozzolino, Daniel (2023). Near infrared spectroscopy for prediction of yeast and mould counts in black soldier fly larvae, feed and frass: a proof of concept. Sensors, 23 (15) 6946, 1-13. doi: 10.3390/s23156946
Yao, Hong, Williams, Barbara A., Mikkelsen, Deirdre, Flanagan, Bernadine M. and Gidley, Michael J. (2023). Composition and functional profiles of human faecal microbiota fermenting plant-based food particles are related to water-holding capacity more than particle size. Food Hydrocolloids, 141 108714, 1-11. doi: 10.1016/j.foodhyd.2023.108714
Schwartz-Narbonne, Rachel, Schaeffer, Philippe, Lengger, Sabine K., Blewett, Jerome, Martin Jones, D., Motsch, Estelle, Crombie, Andrew, Jetten, Mike S.-M., Mikkelsen, Deirdre, Normand, Philippe, Nuijten, Guylaine H.L., Pancost, Richard D. and Rush, Darci (2023). Bacterial physiology highlighted by the δ13C fractionation of bacteriohopanetetrol isomers. Organic Geochemistry, 181 104617, 104617. doi: 10.1016/j.orggeochem.2023.104617
Horsman, Sara, Meler, Erika, Mikkelsen, Deirdre, Mallyon, John, Yao, Hong, Soares Magalhães, Ricardo J. and Gibson, Justine S. (2023). Nasal microbiota profiles in shelter dogs with dermatological conditions carrying methicillin-resistant and methicillin-sensitive Staphylococcus species. Scientific Reports, 13 (1) 4844, 4844. doi: 10.1038/s41598-023-31385-2
Chen, Si-Qian, Lopez-Sanchez, Patricia, Mikkelsen, Deirdre, Martinez-Sanz, Marta, Li, Zhaofeng, Zhang, Shuyan, Gilbert, Elliot P., Li, Lin and Gidley, Michael J. (2023). Hemicellulose-bacterial cellulose ribbon interactions affect the anisotropic mechanical behaviour of bacterial cellulose hydrogels. Food Hydrocolloids, 136 108283, 1-9. doi: 10.1016/j.foodhyd.2022.108283
Yao, Hong, Flanagan, Bernadine M., Williams, Barbara A., Mikkelsen, Deirdre and Gidley, Michael J. (2023). Particle size of dietary fibre has diverse effects on in vitro gut fermentation rate and end-products depending on food source. Food Hydrocolloids, 134 108096, 1-9. doi: 10.1016/j.foodhyd.2022.108096
Yao, Hong, Flanagan, Bernadine M., Williams, Barbara A., Mikkelsen, Deirdre and Gidley, Michael J. (2023). Lactate and buyrate proportions, methanogen growth and gas production during in vitro dietary fibre fermentation all depend on fibre concentration. Food Hydrocolloids, 134 108061, 1-11. doi: 10.1016/j.foodhyd.2022.108061
Ang, Main Ern, Cowley, James M., Yap, Kuok, Hahn, Michael G., Mikkelsen, Deirdre, Tucker, Matthew R., Williams, Barbara A. and Burton, Rachel A. (2023). Novel constituents of Salvia hispanica L. (chia) nutlet mucilage and the improved in vitro fermentation of nutlets when ground. Food and Function, 14 (3), 1401-1414. doi: 10.1039/d2fo03002k
Shewan, Heather M. , Siauw, Meiliana , Vinden, Naomi , Dong, Anran , Beheshti, Amir , Chew, Keng Yih, Stokes, Jason R. , Short, Kirsty R., Mikkelsen, Deirdre, Koehler, Berthold and Reihmann, Matthias (2022). Developing an antiviral surface cleaner utilising unique surface adsorption properties of hydroxyproline-rich-proteins. Household and Personal Care Today, 17 (5), 57-61.
Yao, Hong, Williams, Barbara A., Flanagan, Bernadine M., Lisle, Allan, Mikkelsen, Deirdre and Gidley, Michael J. (2022). Soluble fibre concentration effects during in vitro fermentation: Higher concentration leads to increased butyrate proportion. Food Hydrocolloids, 130 107728, 107728. doi: 10.1016/j.foodhyd.2022.107728
Alagappan, Shanmugam, Hoffman, Louwrens C., Olarte Mantilla, Sandra M., Mikkelsen, Deirdre, James, Peter, Yarger, Olympia and Cozzolino, Daniel (2022). Near infrared spectroscopy as a traceability tool to monitor black soldier fly larvae (Hermetia illucens) intended as animal feed. Applied Sciences, 12 (16) 8168, 8168. doi: 10.3390/app12168168
Yao, Hong, Lu, Shiyi, Williams, Barbara A., Flanagan, Bernadine M., Gidley, Michael J. and Mikkelsen, Deirdre (2022). Absolute abundance values reveal microbial shifts and co-occurrence patterns during gut microbiota fermentation of dietary fibres in vitro. Food Hydrocolloids, 127 107422, 107422. doi: 10.1016/j.foodhyd.2021.107422
Widaningrum, , Flanagan, Bernadine M., Williams, Barbara A., Sonni, Francesca, Chen, Pengfei, Mikkelsen, Deirdre and Gidley, Michael J. (2022). In vitro fermentation profiles of undigested fractions from legume and nut particles are affected by particle cohesion and entrapped macronutrients. Food and Function, 13 (9), 5075-5088. doi: 10.1039/d2fo00250g
Lu, Shiyi, Flanagan, Bernadine M., Mikkelsen, Deirdre, Williams, Barbara A. and Gidley, Michael J. (2022). In vitro fermentation of onion cell walls and model polysaccharides using human faecal inoculum: effects of molecular interactions and cell wall architecture. Food Hydrocolloids, 124 107257, 107257. doi: 10.1016/j.foodhyd.2021.107257
Alagappan, Shanmugam, Rowland, Duncan, Barwell, Rob, Cozzolino, Daniel, Mikkelsen, Deirdre, Olarte Mantilla, Sandra M., James, Peter, Yarger, Olympia and Hoffman, Louwrens (2022). Organic side streams (bioproducts) as substrate for black soldier fly (Hermetia illucens) intended as animal feed: chemical safety issues. Animal Production Science, 62 (17), 1639-1651. doi: 10.1071/an22155
Lu, Shiyi, Williams, Barbara A., Flanagan, Bernadine M., Yao, Hong, Mikkelsen, Deirdre and Gidley, Michael J. (2021). Fermentation outcomes of wheat cell wall related polysaccharides are driven by substrate effects as well as initial faecal inoculum. Food Hydrocolloids, 120 106978, 106978. doi: 10.1016/j.foodhyd.2021.106978
Alagappan, S., Rowland, D., Barwell, R., Mantilla, S. M. O., Mikkelsen, D., James, P., Yarger, O. and Hoffman, L.C. (2021). Legislative landscape of black soldier fly (Hermetia illucens) as feed. Journal of Insects as Food and Feed, 8 (4), 343-355. doi: 10.3920/jiff2021.0111
Bui, Alexander T., Williams, Barbara A., Murtaza, Nida, Lisle, Allan, Mikkelsen, Deirdre, Morrison, Mark and Gidley, Michael J. (2021). Wheat-based food form has a greater effect than amylose content on fermentation outcomes and microbial community shifts in an in vitro fermentation model. Food Hydrocolloids, 114 106560, 1-9. doi: 10.1016/j.foodhyd.2020.106560
Lu, Shiyi, Mikkelsen, Deirdre, Flanagan, Bernadine M., Williams, Barbara A. and Gidley, Michael J. (2021). Interaction of cellulose and xyloglucan influences in vitro fermentation outcomes. Carbohydrate Polymers, 258 117698, 1-9. doi: 10.1016/j.carbpol.2021.117698
Bhattarai, Rewati R., Dhital, Sushil, Williams, Barbara A., Yang, Hong Jian, Mikkelsen, Deirdre, Flanagan, Bernadine M. and Gidley, Michael J. (2021). In vitro fermentation of legume cells and components: Effects of cell encapsulation and starch/protein interactions. Food Hydrocolloids, 113 106538. doi: 10.1016/j.foodhyd.2020.106538
Lu, Shiyi, Mikkelsen, Deirdre, Yao, Hong, Williams, Barbara A., Flanagan, Bernadine M. and Gidley, Michael J. (2021). Wheat cell walls and constituent polysaccharides induce similar microbiota profiles upon in vitro fermentation despite different short chain fatty acid end-product levels. Food and Function, 12 (3), 1135-1146. doi: 10.1039/d0fo02509g
Madigan-Stretton, Jacoba, Mikkelsen, Deirdre and Soumeh, Elham Assadi (2020). Multienzyme super-dosing in broiler chicken diets: the implications for gut morphology, microbial profile, nutrient digestibility, and bone mineralization. Animals, 11 (1) 1, 1-17. doi: 10.3390/ani11010001
Netzel, Gabriele, Mikkelsen, Deirdre, Flanagan, Bernadine M., Netzel, Michael E., Gidley, Michael J. and Williams, Barbara A. (2020). Metabolism of Black Carrot Polyphenols during In Vitro Fermentation is Not Affected by Cellulose or Cell Wall Association. Foods, 9 (12) 1911, 1911. doi: 10.3390/foods9121911
Mols, Kirsty L., Boe-Hansen, Gry B., Mikkelsen, Deirdre, Bryden, Wayne L. and Cawdell-Smith, A. Judy (2020). Prenatal establishment of the foal gut microbiota: a critique of the in utero colonisation hypothesis. Animal Production Science, 60 (18), 2080-2092. doi: 10.1071/AN20010
Lu, Shiyi, Flanagan, Bernadine M., Williams, Barbara A., Mikkelsen, Deirdre and Gidley, Michael J. (2020). Cell wall architecture as well as chemical composition determines fermentation of wheat cell walls by a faecal inoculum. Food Hydrocolloids, 107 105858, 105858. doi: 10.1016/j.foodhyd.2020.105858
Berglund, Jennie, Mikkelsen, Deirdre, Flanagan, Bernadine M., Dhital, Sushil, Gaunitz, Stefan, Henriksson, Gunnar, Lindström, Mikael E., Yakubov, Gleb E., Gidley, Michael J. and Vilaplana, Francisco (2020). Wood hemicelluloses exert distinct biomechanical contributions to cellulose fibrillar networks. Nature Communications, 11 (1) 4692, 4692. doi: 10.1038/s41467-020-18390-z
Feng, Guangli, Mikkelsen, Deirdre, Hoedt, Emily C., Williams, Barbara A., Flanagan, Bernadine M., Morrison, Mark and Gidley, Michael J. (2020). In vitro fermentation outcomes of arabinoxylan and galactoxyloglucan depend on fecal inoculum more than substrate chemistry. Food and Function, 11 (9), 7892-7904. doi: 10.1039/d0fo01103g
Widaningrum, Flanagan, Bernadine M., Williams, Barbara A., Sonni, Francesca, Mikkelsen, Deirdre and Gidley, Michael J. (2020). Fruit and vegetable insoluble dietary fibre in vitro fermentation characteristics depend on cell wall type. Bioactive Carbohydrates and Dietary Fibre, 23 100223, 100223. doi: 10.1016/j.bcdf.2020.100223
Phan, A. D. T., Williams, B. A., Netzel, G., Mikkelsen, D., D'Arcy, B. R. and Gidley, M. J. (2020). Independent fermentation and metabolism of dietary polyphenols associated with a plant cell wall model. Food and Function, 11 (3), 2218-2230. doi: 10.1039/c9fo02987g
Bui, Alexander T., Williams, Barbara A., Hoedt, Emily C., Morrison, Mark, Mikkelsen, Deirdre and Gidley, Michael J. (2020). High amylose wheat starch structures display unique fermentability characteristics, microbial community shifts and enzyme degradation profiles. Food and Function, 11 (6), 5635-5646. doi: 10.1039/d0fo00198h
Grant, Lucas J., Mikkelsen, Deirdre, Phan, Anh Dao T., Kang, Seungha, Ouwerkerk, Diane, Klieve, Athol V., Gidley, Mike J. and Williams, Barbara (2020). Purified plant cell walls with adsorbed polyphenols alter porcine faecal bacterial communities during in vitro fermentation. Food and Function, 11 (1), 834-845. doi: 10.1039/c9fo02428j
Grant, Lucas J., Mikkelsen, Deirdre, Ouwerkerk, Diane, Klieve, Athol V., Gidley, Michael J. and Williams, Barbara A. (2019). Whole fruit pulp (mango) and a soluble fibre (pectin) impact bacterial diversity and abundance differently within the porcine large intestine. Bioactive Carbohydrates and Dietary Fibre, 19 100192, 100192. doi: 10.1016/j.bcdf.2019.100192
Williams, Barbara A., Mikkelsen, Deirdre, Flanagan, Bernadine M. and Gidley, Michael J. (2019). “Dietary fibre”: moving beyond the “soluble/insoluble” classification for monogastric nutrition, with an emphasis on humans and pigs. Journal of Animal Science and Biotechnology, 10 (1) 45, 45. doi: 10.1186/s40104-019-0350-9
Feng, Guangli, Flanagan, Bernadine M., Mikkelsen, Deirdre, Williams, Barbara A. and Gidley, Michael J. (2019). Microbial enzymatic degradation of tamarind galactoxyloglucan and wheat arabinoxylan by a porcine faecal inoculum. Bioactive Carbohydrates and Dietary Fibre, 18 100183, 100183. doi: 10.1016/j.bcdf.2019.100183
Muñoz-García, Juan C., Corbin, Kendall R., Hussain, Haider, Gabrielli, Valeria, Koev, Todor, Iuga, Dinu, Round, Andrew N., Mikkelsen, Deirdre, Gunning, Patrick A., Warren, Frederick J. and Khimyak, Yaroslav Z. (2019). High Molecular Weight Mixed-Linkage Glucan as a Mechanical and Hydration Modulator of Bacterial Cellulose: Characterization by Advanced NMR Spectroscopy. Biomacromolecules, 20 (11) acs.biomac.9b01070, 4180-4190. doi: 10.1021/acs.biomac.9b01070
Feng, Guangli, Flanagan, Bernadine M., Williams, Barbara A., Mikkelsen, Deirdre, Yu, Wenwen and Gidley, Michael J. (2018). Extracellular depolymerisation triggers fermentation of tamarind xyloglucan and wheat arabinoxylan by a porcine faecal inoculum. Carbohydrate Polymers, 201, 575-582. doi: 10.1016/j.carbpol.2018.08.089
Chen, Si-Qian, Lopez-Sanchez, Patricia, Wang, Dongjie, Mikkelsen, Deirdre and Gidley, Michael J. (2018). Mechanical properties of bacterial cellulose synthesised by diverse strains of the genus Komagataeibacter. Food Hydrocolloids, 81, 87-95. doi: 10.1016/j.foodhyd.2018.02.031
Warren, Frederick J., Fukuma, Naoki M., Mikkelsen, Deirdre, Flanagan, Bernadine M., Williams, Barbara A., Lisle, Allan T., Ó Cuív, Páraic, Morrison, Mark and Gidley, Michael J. (2018). Food starch structure impacts gut microbiome composition. mSphere, 3 (3) e00086-18. doi: 10.1128/mSphere.00086-18
Feng, Guangli, Flanagan, Bernadine M., Mikkelsen, Deirdre, Williams, Barbara A., Yu, Wenwen, Gilbert, Robert G and Gidley, Michael J (2018). Mechanisms of utilisation of arabinoxylans by a porcine faecal inoculum: competition and co-operation. Scientific Reports, 8 (1) 4546, 4546. doi: 10.1038/s41598-018-22818-4
Williams, Barbara A., Grant, Lucas J., Gidley, Michael J. and Mikkelsen, Deirdre (2017). Gut fermentation of dietary fibres: physico-chemistry of plant cell walls and implications for health. International Journal of Molecular Sciences, 18 (10) 2203, 2203. doi: 10.3390/ijms18102203
Martinez-Sanz, Marta, Mikkelsen, Deirdre, Flanagan, Bernadine M., Gidley, Michael J. and Gilbert, Elliot P. (2017). Multi-scale characterisation of deuterated cellulose composite hydrogels reveals evidence for different interaction mechanisms with arabinoxylan, mixed-linkage glucan and xyloglucan. Polymer, 124, 1-11. doi: 10.1016/j.polymer.2017.07.036
Wang, Yi, Bandara, H. M. H. N., Mikkelsen, Deirdre and Samaranayake, Lakshman P. (2017). Effects of tea extracts on the colonization behaviour of Candida species: attachment inhibition and biofilm enhancement. Journal of Medical Microbiology, 66 (8), 1244-1252. doi: 10.1099/jmm.0.000555
Lau, Esther T. L., Johnson, Stuart K., Williams, Barbara, Mikkelsen, Deirdre, McCourt, Elizabeth, Stanley, Roger, Mereddy, Ram, Halley, Peter J. and Steadman, Kathryn (2017). Optimizing prednisolone loading into distiller’s dried grain kafirin microparticles, and in vitro release for oral delivery. Pharmaceutics, 9 (2) 17, 17. doi: 10.3390/pharmaceutics9020017
Chen, Si-Qian, Mikkelsen, Deirdre, Lopez-Sanchez, Patricia, Wang, Dongjie, Martinez-Sanz, Marta, Gilbert, Elliot P., Flanagan, Bernadine M. and Gidley, Michael J. (2017). Characterisation of bacterial cellulose from diverse Komagataeibacter strains and their application to construct plant cell wall analogues. Cellulose, 24 (3), 1211-1226. doi: 10.1007/s10570-017-1203-3
McKenna, Brigid A., Wehr, J. Bernhard, Mikkelsen, Deirdre, Blamey, F. Pax C. and Menzies, Neal W. (2016). Aluminium effects on mechanical properties of cell wall analogues. Physiologia Plantarum, 158 (4), 382-388. doi: 10.1111/ppl.12472
Bird, Philip S., Trott, Darren J., Mikkelsen, Deirdre, Milinovich, Gabriel J., Hillman, Kristine M., Burrell, Paul C. and Blackall, Linda L. (2016). Porphyromonas loveana sp. Nov., isolated from the oral cavity of Australian marsupials. International Journal of Systematic and Evolutionary Microbiology, 66 (10) 000898, 3771-3778. doi: 10.1099/ijsem.0.000898
Martinez-Sanz, Marta, Mikkelsen, Deirdre, Flanagan, Bernadine, Gidley, Michael J. and Gilbert, Elliot P. (2016). Multi-scale model for the hierarchical architecture of native cellulose hydrogels. Carbohydrate Polymers, 147, 542-555. doi: 10.1016/j.carbpol.2016.03.098
Martinez-Sanz, Marta, Mikkelsen, Deirdre, Flanagan, Bernadine M., Rehm, Christine, de Campo, Liliana, Gidley, Michael J. and Gilbert, Elliot P. (2016). Investigation of the micro- and nano-scale architecture of cellulose hydrogels with plant cell wall polysaccharides: a combined USANS/SANS study. Polymer, 105, 449-460. doi: 10.1016/j.polymer.2016.07.015
Williams, Barbara A., Zhang, Dagong, Lisle, Allan T., Mikkelsen, Deirdre, McSweeney C. S., Kang, Seungha, Bryden, Wayne L. and Gidley, Michael J. (2016). Soluble arabinoxylan enhances large intestinal microbial health biomarkers in pigs fed a red meat-containing diet. Nutrition, 32 (4), 491-497. doi: 10.1016/j.nut.2015.10.008
Gorham, John B., Williams, Barbara A., Gidley, Michael J. and Mikkelsen, Deirdre (2016). Visualization of microbe-dietary remnant interactions in digesta from pigs, by fluorescence in situ hybridization and staining methods; effects of a dietary arabinoxylan-rich wheat fraction. Food Hydrocolloids, 52, 952-962. doi: 10.1016/j.foodhyd.2015.09.011
Gorham, John B., Kang, Seungha, Williams, Barbara A., Grant, Lucas J., McSweeney, Christopher S., Gidley, Michael J. and Mikkelsen, Deirdre (2016). Addition of arabinoxylan and mixed linkage glucans in porcine diets affects the large intestinal bacterial populations. European Journal of Nutrition, 56 (6), 1-14. doi: 10.1007/s00394-016-1263-4
Zhang, Dagong, Williams, Barbara A., Mikkelsen, Deirdre, Li, Xiuhua, Keates, Helen L., Lisle, Allan T., Collins, Helen M., Fincher, Geoffrey B., Bird, Anthony R., Topping, David L., Gidley, Michael J. and Bryden, Wayne L. (2015). Soluble arabinoxylan alters digesta flow and protein digestion of red meat-containing diets in pigs. Nutrition, 31 (9), 1141-1147. doi: 10.1016/j.nut.2015.03.006
Lau, Esther T. L., Johnson, Stuart K., Stanley, Roger A., Mereddy, Ram, Mikkelsen, Deirdre, Halley, Peter J. and Steadman, Kathryn J. (2015). Formulation and characterization of drug-loaded microparticles using distillers dried grain kafirin. Cereal Chemistry, 92 (3), 246-252. doi: 10.1094/CCHEM-05-14-0096-R
Mikkelsen, Deirdre, Flanagan, Bernadine M, Wilson, Sarah M, Bacic, Antony and Gidley, Michael J (2015). Interactions of Arabinoxylan and (1,3)(1,4)-β-Glucan with Cellulose Networks. Biomacromolecules, 16 (4), 1232-1239. doi: 10.1021/acs.biomac.5b00009
Lau, Esther T. L., Johnson, Stuart K., Stanley, Roger A., Mikkelsen, Deirdre, Fang, Zhongxiang, Halley, Peter J. and Steadman, Kathryn J. (2015). Preparation and in vitro release of drug-loaded microparticles for oral delivery using wholegrain sorghum kafirin protein. International Journal of Polymer Science, 2015 343647, 1-8. doi: 10.1155/2015/343647
Padayachee, Anneline, Netzel, Gabriele, Netzel, Michael, Day, Li, Mikkelsen, Deirdre and Gidley, Michael J. (2013). Lack of release of bound anthocyanins and phenolic acids from carrot plant cell walls and model composites during simulated gastric and small intestinal digestion. Food and Function, 4 (6), 906-916. doi: 10.1039/c3fo60091b
Padayachee, A., Netzel, G., Netzel, M., Day, L., Zabaras, D., Mikkelsen, D. and Gidley, M. J. (2012). Binding of polyphenols to plant cell wall analogues - part 2: phenolic acids. Food Chemistry, 135 (4), 2287-2292. doi: 10.1016/j.foodchem.2012.07.004
Padayachee, A., Netzel, G., Netzel, M., Day, L., Zabaras, D., Mikkelsen, D. and Gidley, M. (2012). Binding of polyphenols to plant cell wall analogues - part 1: Anthocyanins. Food Chemistry, 134 (1), 155-161. doi: 10.1016/j.foodchem.2012.02.082
Weerakkody, Nimsha S., Smith, William M., Mikkelsen, Deirdre, Waanders, Jennifer, Kerven, Graham, Caffin, Nola, Dykes, Gary A. and Turner, Mark S. (2012). Purified 1 ' acetoxychavicol acetate (1 ' ACA) from galangal spice affects membrane fatty acid composition and triggers a cell envelope stress response in Staphylococcus aureus. International Journal of Antimicrobial Agents, 39 (3), 269-271. doi: 10.1016/j.ijantimicag.2011.11.010
Lau, Esther T. L., Johnson, Stuart K., Mikkelsen, Deirdre, Halley, Peter J. and Steadman, Kathryn J. (2012). Preparation and in vitro release of zein microparticles loaded with prednisolone for oral delivery. Journal of Microencapsulation, 29 (7), 706-712. doi: 10.3109/02652048.2012.686527
Mikkelsen, Deirdre, Gidley, Michael J. and Williams, Barbara A. (2011). In vitro fermentation of bacterial cellulose composites as model dietary fibers. Journal of Agricultural and Food Chemistry, 59 (8), 4025-4032. doi: 10.1021/jf104855e
Williams, Barbara A., Mikkelsen, Deirdre, Le Paih, Laure and Gidley, Michael J. (2011). In vitro fermentation kinetics and end-products of cereal arabinoxylans and (1,3;1,4)-beta-glucans by porcine feces. Journal of Cereal Science, 53 (1), 53-58. doi: 10.1016/j.jcs.2010.09.003
Nguyen, Vu Tuan, Flanagan, Bernadine, Mikkelsen, Deirdre, Ramirez, Santiago, Rivas, Lucia, Gidley, Michael J. and Dykes, Gary A. (2010). Spontaneous mutation results in lower cellulose production by a Gluconacetobacter xylinus strain from Kombucha. Carbohydrate Polymers, 80 (2), 337-343. doi: 10.1016/j.carbpol.2009.11.019
McKenna, Brigid A., Mikkelsen, Deirdre, Wehr, J. Bernhard, Gidley, Michael J. and Menzies, Neal W. (2009). Mechanical and structural properties of native and alkali-treated bacterial cellulose produced by Gluconacetobacter xylinus strain ATCC53524. Cellulose, 16 (6) 1047, 1047-1055. doi: 10.1007/s10570-009-9340-y
Mikkelsen, Deirdre, Kappler, Ulrike, McEwan, Alastair G. and Sly, Lindsay I. (2009). Probing the archaeal diversity of a mixed thermophilic bioleaching culture by TGGE and FISH. Systematic and Applied Microbiology, 32 (7), 501-513. doi: 10.1016/j.syapm.2009.06.001
Mikkelsen, D., Flanagan, B. M., Dykes, G. A. and Gidley, M. J. (2009). Influence of different carbon sources on bacterial cellulose production by Gluconacetobacter xylinus strain ATCC 53524. Journal of Applied Microbiology, 107 (2), 576-583. doi: 10.1111/j.1365-2672.2009.04226.x
Mikkelsen, D., Milinovich, G. J., Burrell, P. C., Huynh, S. C., Pettett, L. M., Blackall, L. L., Trott, D. J. and Bird, P. S. (2008). Phylogenetic analysis of Porphyromonas species isolated from the oral cavity of Australian marsupials. Environmental microbiology, 10 (9), 2425-2432. doi: 10.1111/j.1462-2920.2008.01668.x
Mikkelsen, D., Kappler, U., Webb, R. I., Rasch, R., McEwan, A. G. and Sly, L. I. (2007). Visualisation of pyrite leaching by selected thermophilic archaea: nature of microorganism-ore interactions during bioleaching. Hydrometallurgy, 88 (1-4), 143-153. doi: 10.1016/j.hydromet.2007.02.013
Mikkelsen, Deirdre, Kappler, Ulrike, McEwan, Alastair G. and Sly, Lindsay I. (2006). Archaeal diversity in two thermophilic chalcopyrite bioleaching reactors. Environmental Microbiology, 8 (11), 2050-2055. doi: 10.1111/j.1462-2920.2005.01115.x
Bird, Philip S., Huynh, Sharnan C., Davis, Deirdre, Love, Daria N., Blackall, Linda L. and Seymour, Gregory J. (2002). Oral disease in animals: The Australian perspective. Isolation and characterisation of black-pigmented bacteria from the oral cavity of marsupials. Anaerobe, 8 (2), 79-87. doi: 10.1006/anae.2002.0412
Conference Papers
Horsman, Sara, Zaugg, Julian, Mikkelsen, Deirdre, Soares Magalhaes, Ricardo J., Meler, Erika and Gibson, Justine S. (2024). Molecular epidemiological characteristics of Staphylococcus species cultured from clinical canine skin and ear samples in Queensland. Antimicrobials 2024 Annual Scientific Meeting, Sydney, NSW Australia, 15-17 February 2024.
Horsman, Sara, Meler, Erika, Mikkelsen, Deirdre, Soares Magalhães, Ricardo J. and Gibson, Justine S. (2023). Identification and antimicrobial resistance of bacterial isolates cultured from clinical canine skin and ear samples in Queensland. Antimicrobials 2023 Annual Scientific Meeting, Brisbane, QLD, Australia, 23-25 February 2023.
Horsman, S., Croton, C., Meler, E., Mikkelsen, D., Soares Magalhães, R. and Gibson, J. (2022). Uncovering the geographical associations between antimicrobial resistance and antimicrobial usage in dogs treated with anti-pruritic therapies for pruritic skin and ear diseases through data linkage. Vet Compass Australia Symposium, Online, 16 August 2022.
Horsman, Sara, Meler, Erika, Mikkelsen, Deirdre, Gibson, Justine and Soares Magalhaes, Ricardo (2022). Geographical variation in antimicrobial resistance patterns of bacteria isolated from canine skin and ear samples in Queensland. Australian Society for Microbiology, Sydney, NSW, Australia, 11-14 July 2022.
Mols, Kirsty, Boe-Hansen, Gry B., Mikkelsen, Deirdre, Bryden, Wayne L. and Cawdell-Smith, Judy (2022). Is the equine gut colonised in utero?. Recent Advances in Animal Nutrition, Australia, June 2021. Clayton, VIC, Australia: CSIRO Publishing.
Horsman, S., Mikkelsen, D., Mallyon, J., Soares Magalhães, R.J. , Meler, E. and Gibson, J.S. (2021). Nasal microbiota diversity and abundance in shelter dogs carrying methicillin-resistant and -sensitive Staphylococcus species. Australian Society for Microbiology, Melbourne, VIC, Australia, 31 May-3 June 2021.
Mols, K.L., Boe-Hansen, G.B., Mikkelsen, D., Bryden, W.L. and Cawdell-Smith, A.J. (2021). Is the equine gut colonised in utero by amniotic bacteria?. Virtual Equine Science Symposium, Online, 1 – 4 June 2021. Amsterdam, Netherlands: Elsevier. doi: 10.1016/j.jevs.2021.103572
Berglund, Jennie, Mikkelsen, Deirdre, Flanagan, Bernadine, Dhital, Sushil, Henriksson, Gunnar, Lindstrom, Mikael, Yakubov, Gleb, Gidley, Michael and Vilaplana, Francisco (2019). Hydrogels of bacterial cellulose and wood hemicelluloses as a model of plant secondary cell walls. National Meeting of the American Chemical Society (ACS), Orlando, Florida, 31 March - 4 April 2019. Washington, DC, United States: American Chemical Society.
Grant, Lucas, Gulino, Lisa-Maree, Godwin, Scott, Mikkelsen, Deirdre, Gidley, Michael J. and Williams, Barbara A. (2014). The effect of dietary fibre on the microbial community profile of the porcine gastrointestinal tract. ASM Meeting 2014: Australian Society for Microbiology Annual Scientific Meeting 2014, Melbourne, VIC, Australia, 6-9 July, 2014. Fitzroy, VIC, Australia: Australian Society for Microbiology.
Grant, Lucas, Mikkelsen, Deirdre, Godwin, Scott, Gulino, Lisa-Maree, Ouwerkerk, Diane, Klieve, Athol, Gidley, Michael and Williams, Barbara (2014). The Effect of Fruit Phytonutrients on Microbial Community Profiles of the Porcine Large Intestine. Rowett-INRA 2014 Gut Microbiology: from sequence to function, Aberdeen, Scotland, UK, 16-19 June 2014.
Netzel, G., Mikkelsen, D., Flanagan, B., Netzel, M., Gidley, M. J. and Williams, B. (2014). Modulation of in vitro fermentation by polyphenol-rich black carrot fractions. 29th International Horticultural Congress, Brisbane, QLD, Australia, 17-22 September 2014.
Mikkelsen, Deirdre, Williams, Barbara A., Godwin, Scott, Gulino, Lisa-Maree, Ouwerkerk, Diane, Ismail, Munirah, Klieve, Athol and Gidley, Michael (2014). Effects of arabinoxylan dietary fibre fine structure on gut microbiota dynamics. ASM Meeting 2014: Australian Society for Microbiology Annual Scientific Meeting 2014, Melbourne, VIC, Australia, 6-9 July, 2014. Fitzroy, VIC, Australia: Australian Society for Microbiology.
Grant, Lucas, Mikkelsen, Deirdre, Gulino, Lisa-Maree, Godwin, Scott, Ouwerkerk, Diane, Klieve, Athol, Gidley, Michael and Williams, Barbara (2014). The Effect of Dietary Pectin on Microbial Community Profiles of the Porcine Large Intestine. Rowett-INRA 2014 Gut Microbiology: from sequence to function, Aberdeen, Scotland, UK, 16-19 June 2014.
Gorham, John, Williams, Barbara, Gidley, Michael and Mikkelsen, Deirdre (2014). Microbial Population Shifts in Response to Dietary Arabinoxylan and Protein Changes. Rowett-INRA 2014 Gut Microbiology: from sequence to function, Aberdeen, Scotland, UK, 16-19 June 2014.
Gorham, John, Gidley, Michael, Williams, Barbara and Mikkelsen, Deirdre (2014). Development of enzymatic and histological methods complementing fluorescence in situ hybridisation to visualise and localise porcine gastrointestinal microbiota-dietary substrate associations. 9th Joint Rowett-INRA Symposium. Gut Microbiology: from Sequence to Function, Aberdeen, Scotland, UK, 16-19 June, 2014.
Mikkelsen, Deirdre, Netzel, Gabriele, Chan, Chui Ying, Gidley, Michael and Williams, Barbara (2014). Bacterial Cellulose as a Model System to Study In Vitro Fermentability of Black Carrot Phytonutrients. Rowett-INRA 2014 Gut Microbiology: from sequence to function, Aberdeen, Scotland, UK, 16-19 June 2014.
Mikkelsen, Deirdre, Williams, Barbara, Ismail, Munirah, Godwin, Scott, Gulino, Lisa-Maree, Ouwerkerk, Diane, Klieve, Athol and Gidley, Michael (2014). Fermentability of Arabinose Depleted Arabinoxylan. Rowett-INRA 2014 Gut Microbiology: from sequence to function, Aberdeen, Scotland, UK, 16-19 June 2014.
Padayachee, A., Netzel, G., Netzel, M., Day, L., Mikkelsen, D. and Gidley, M. J. (2013). Fibre interactions with polyphenols and implications for gut release. NSA NSNZ 2013 Joint Annual Scientific Meeting: 37th Annual Scientific Meeting of the Nutrition Society of Australia in conjunction with the Nutrition Society of New Zealand, Brisbane, QLD, Australia, 4-6 December, 2013. Perth, WA, Australia: Australasian Medical Journal.
Netzel, G., Mikkelsen, D., Flanagan, B., Netzel, M., Gidley, M. J. and Williams, B. A. (2013). Black carrot polyphenols and their effect on plant cell wall fermentability. NSA NSNZ 2013 Joint Annual Scientific Meeting: 37th Annual Scientific Meeting of the Nutrition Society of Australia in conjunction with the Nutrition Society of New Zealand, Brisbane, QLD, Australia, 4-6 December, 2013. Perth, WA, Australia: Australasian Medical Journa.
Padayachee, Anneline, Netzel, G., Netzel, M., Mikkelsen, D. and Gidley, M. (2013). Plant fibre structural inferences on polyphenol release. Food Structure, Digestion and Health: 2nd International Conference, Melbourne, VIC, Australia, 21-24 October, 2013.
Mikkelsen, D., Netzel, G. A., Williams, B. A. and Gidley, M. J. (2012). In vitro fermentability of purple carrot phytonutrients and effects on large intestinal microflora. 8th INRA-Rowett Symposium on Gut Microbiology, Clermont-Ferrand, France, 17 - 22 June 2012.
Williams, B. A., Walsh, C., Liao, M. L., Pettolino, F., Mikkelsen, D., Gidley, M. J. and Bacic, A. (2012). Investigating the relationship between grain fibre fraction molecular structures and in vitro fermentability. 8th INRA-Rowett Symposium on Gut Microbiology, Clermont-Ferrand, France, 17-20 June 2012.
Mikkelsen, D., Netzel, G. A., Williams, B. A. and Gidley, M. J. (2012). Bacterial cellulose (BC): a model system to study in vitro fermentability of plant cell wall analogues. 8th INRA-Rowett Symposium on Gut Microbiology, Clermont-Ferrand, France, 17 - 20 June 2012.
Padayachee, A., Netzel, G., Netzel, M., Day, L., Mikkelsen, D. and Gidley, M. (2011). The plant cell wall: Friend or foe to anthocyanin bioaccessibility?. Australian Food Science Summer School (1st, AIFST, 2011), St. Lucia, QLD, Australia, 9-11 February 2011.
Hoerudin, Hoerudin, Mikkelsen, Deirdre, D'Arcy, Bruce and Gidley, Mike (2011). Characteristics and microstructural changes of fruits and vegetables after human mastication. 1st Australian Food Science Summer School 2011, St Lucia, Brisbane, Australia, 9-11 February 2011. Australian Institute of Food Science and Technology (AIFST).
Padayachee, A., Netzel, G., Netzel, M., Mikkelsen, D., Day, L. and Gidley, M. (2010). Interactions between models of the plant cell wall & black carrot bioactives may affect the bioavailability of these compounds. 15th World Congress of food Science and Technology (IUFoST), Cape Town, South Africa, 22-26 August 2010. IUFoST.
Padayachee, A., Netzel, G., Netzel, M., Mikkelsen, D., Day, L. and Gidley, M. (2010). Interactions between the plant cell wall and black carrot bioactives may affect the bioavailability of these compounds. 43rd Annual AIFST Convention 2010, Melbourne, VIC, Australia, 25-28 July 2010. AIFST.
Gidley, M. J., Williams, B. A., Zhang, D., Gunness, P., Mikkelsen, D., Gorham, B., Keates, H., Bryden, W. L., Belobrajdic, D., Conlon, M. A., Kang, S., McSweeney, C., Bird, A. R. and Topping, D. L. (2009). Arabinoxylan improves indices of gut health and reduces DNA damage in pigs consuming a high risk “Western diet”: a pilot study. American Association of Cereal Chemists International 2009 Annual Meeting, Baltimore, MD, United States, 13-16 September 2009.
Garvey, C. J., Mikkelsen, D., Dykes, G. A. and Gidley, M. J. (2008). Biodeuteration as a tool to study cellulose and hemicellulose interactions in plant cell walls with contrast variation SANS. AANSS 2008: 7th AINSE/ANBUG Neutron Scattering Symposium, Lucas Heights, NSW, Australia, 8-10 December, 2008.
Mikkelsen, D., Milinovich, G. J., Burrell, P. C., Huynh, S. C., Pettett, L. M., Blackall, L. L., Trott, D. J. and Bird, P. S. (2008). Novel Porphyromonas species isolated from oral cavity of marsupials. 48th Australian and New Zealand International Association of Dental Research (ANZ IADR) Annual Meeting, Perth, Australia, 1 - 3 October 2008.
Mikkelsen, D., Flanagan, B., Dykes, G. and Gidley, M. (2008). Bacterial cellulose composites: Models for primary plant cell walls of cereals and grasses. ASM 2008: Annual Scientific Meeting & Exhibition of the Australian Society for Microbiology, Melbourne, VIC, Australia, 6-10 July 2008. Melbourne, VIC, Australia: Australian Society for Microbiology.
Bird, P. S., Mikkelsen, D., Huynh, S. C., Milinovich, G. J., Burrell, P. C., Pettett, L. M., Trott, D. J. and et al (2007). Phylogenetic analysis of Porphyromonas gingivalis-like species isolated from the oral cavity of Australian marsupials. Australian Society for Microbiology, Annual Conference, Adelaide, Australia, 9-13 July, 2007.
Mikkelsen, D., Garvey, C. J., Dykes, G. A. and Gidley, M. J. (2006). Biodeuteration as a tool to study cellulose and hemicellulose interactions in plant cell walls with contrast variation SANS. AANSS 2006: 5th AINSE/ANBUG Neutron Scattering Symposium, Lucas Heights, NSW, Australia, 11-13 December 2006. Lucas Heights, NSW, Australia: Australian Institute of Nuclear Science and Engineering (AINSE); (Australian Neutron Beam Users Group (ANBUG).
Garvey, J., Mikkelsen, D., Dykes, G. A. and Gidley, M. (2006). Biodeuteration and small angle neutron scattering as tools to understand the roles of cellulose and hemicelluloses as load bearing polymers in plant cell walls. ANSE/ANBUG Neutron Scattering Symposium, Lucas Heights, 11-13 December 2006. Lucas Heights, Australia: AINSE.
Mikkelsen, D., Webb, R. I. and Rasch, R. (2004). Investigation of pyrite bioleaching by thermophilic microorganisms. Australian Microbeam Analysis Society 8th Biennial Conference (AMAS 8), University of Melbourne, Melbourne, Australia, February 2005.
Mikkelsen, D., Kappler, U., McEwan, A. and Sly, L. (2004). Development of molecular methods for monitoring thermophilic chalcopyrite bioleaching cultures. Australian Society for Microbiology (ASM) Annual Scientific Meeting & Exhibition, Sydney, Australia, 26th Sep – 1st Oct 2004.
Thesis
Mikkelsen, D. (2004). The development and use of molecular phylogenetic and microscopy methods to study thermophilic bioleaching cultures. PhD Thesis, School of Molecular and Microbial Sciences, The University of Queensland.