Henrik Siegumfeldt

Henrik Siegumfeldt

Associate Professor

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    ORCID: 0000-0003-2718-9280

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    1. Published

      Viability and physiological responses of yeasts exposed to stress conditions of West African fermented cereal doughs

      Houngbedji, M., Johansen, P., Padonou, S. W., Siegumfeldt, Henrik, Hounhouigan, J. & Jespersen, Lene, 2018.

      Research output: Contribution to conference › Poster › Research › peer-review

    2. Published

      Viability and physiological responses of yeasts exposed to stress conditions occurring in West African fermented cereal doughs

      Johansen, P., Houngbedji, M., Padonou, S. W., Hounhouigan, J. D., Siegumfeldt, Henrik & Jespersen, Lene, 2018.

      Research output: Contribution to conference › Poster › Research › peer-review

    3. Published

      Use of fluorescense ratio imaging for intracellular pH determination of individual bacterial cells in mixed cultures

      Siegumfeldt, Henrik, Rechinger, K. B. & Jakobsen, M., 1999, In: Microbiology. 145, p. 1703-1709 7 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    4. Published

      Two subpopulations of Listeria monocytogenes Occur at Subinhibitory Concentrations of Leucocin 4010 and Nisin

      Hornbæk, T., Brockhoff, P. B., Siegumfeldt, Henrik & Budde, B. B., 2006, In: Applied and Environmental Microbiology. 72, 2, p. 1631-1638 8 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    5. Published

      Transit Tolerance of Lactobacillus acidophilus in an in vitro Gastrointestinal Tract Model

      Weiss, G. M., Pedersen, BSc, L. L., Siegumfeldt, Henrik & Jespersen, Lene, 2008. 1 p.

      Research output: Contribution to conference › Poster › Research

    6. Published

      The ¤potential use of flow cytometry in predictive microbiology

      Budde, B. B., Siegumfeldt, Henrik & Rasch, M., 1999, COST 914 : predictive modelling of microbial growth and survival in foods. Roberts, T. A. (ed.). Luxembourg: Publications Office, Vol. 19103. p. 271-280 10 p. (EUR).

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication

    7. Published

      The quorum-sensing molecule 2-phenylethanol impaired conidial germination, hyphal membrane integrity and growth of Penicillium expansum and Penicillium nordicum

      Huang, C., Qian, Y., Viana, T., Siegumfeldt, Henrik, Arneborg, Nils, Larsen, Nadja & Jespersen, Lene, 2020, In: Journal of Applied Microbiology. 129, 2, p. 278-286

      Research output: Contribution to journal › Journal article › Research › peer-review

    8. Published

      The impact of bacterial cell aggregation on UV inactivation kinetics

      Vitzilaiou, E., Kuria, A. M., Siegumfeldt, Henrik, Rasmussen, Morten Arendt & Knoechel, Susanne, 2021, In: Water Research. 204, 13 p., 117593.

      Research output: Contribution to journal › Journal article › Research › peer-review

    9. Published

      The effects of extracellular pH and hydroxycinnamic acids influence the intracellular pH of Brettanomyces bruxellensis DSM 7001

      Campolongo, S., Siegumfeldt, Henrik, Aabo, T. A., Cocolin, L. & Arneborg, Nils, 2014, In: Lebensmittel - Wissenschaft und Technologie. 59, 2, Part 1, p. 1088-1092 5 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    10. Published

      The effect of long- and short term exposure to laser light at 1070 nm on growth of Saccharomyces cerevisiae

      Aabo, T. A., Perch-Nielsen, I. R., Dam, J. S., Palima, D. Z., Siegumfeldt, Henrik, Glückstad, J. & Arneborg, Nils, 2010, 22nd International ICFMH Symposium Food Micro 2010. p. 308 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    11. Published

      Survival of lactic acid and chlorine dioxide treated Campylobacter jejuni under suboptimal conditions of pH, temperature and modified atmosphere

      Smigic, N., Rajkovic, A., Nielsen, Dennis Sandris, Arneborg, Nils, Siegumfeldt, Henrik & Devlieghere, F., 2010, In: International Journal of Food Microbiology. 141, Suppl. 1, p. S140-S146 7 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    12. Published

      Surface engineered bacteria as Pickering stabilizers for foams and emulsions

      Jiang, X., Yücel Falco, C., Dalby, K. N., Siegumfeldt, Henrik, Arneborg, Nils & Risbo, Jens, 2019, In: Food Hydrocolloids. 89, p. 224-233 10 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    13. Published

      Sublethal Bactericidal Treatments and Behaviour of Foodborne Campylobacter Jejuni

      Rajkovic, A., Smigic, N., Nielsen, Dennis Sandris, Siegumfeldt, Henrik, Uyttendaele, M., Arneborg, Nils & Devlieghere, F., 2008. 1 p.

      Research output: Contribution to conference › Poster › Research

    14. Published

      Responses of Listeria monocytogenes to acid stress and glucose availability revealed by a novel combination of fluorescence microscopy and microelectrode ion-selective techniques

      Shabala, L., Budde, B., Ross, T., Siegumfeldt, Henrik, Jakobsen, M. & McMeekin, T., 2002, In: Applied and Environmental Microbiology. 68, 4, p. 1794-1802 9 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    15. Published

      Responses of Listeria monocytogenes to acid stress and glucose availability monitored by measurements of intracellular pH and viable counts

      Shabala, L., Budde, B., Ross, T., Siegumfeldt, Henrik & McMeekin, T., 2002, In: International Journal of Food Microbiology. 75, 1-2, p. 89-97 9 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    16. Published

      Research groups are interested in collaborating with the brewing industry

      Siegumfeldt, Henrik, 2007, In: Scandinavian Brewers' Review. 64, 2, p. 8-9 2 p.

      Research output: Contribution to journal › Journal article › Research

    17. Published

      Relationship between yeast cell proliferation and intracellular esterase activity during brewing fermentations

      Guldfeldt, L. U., Arneborg, Nils, Siegumfeldt, Henrik & Jespersen, Lene, 1998, In: Journal of the Institute of Brewing. 104, p. 333-338 6 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    18. Published

      Relationship between growth and pH gradients of individual cells of Debaryomyces hansenii as influenced by NaCl and solid substrate

      Mortensen, H. D., Gori, K., Siegumfeldt, Henrik, Jespersen, Lene & Arneborg, Nils, 2007, In: Letters in Applied Microbiology. 44, 3, p. 279-285 7 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    19. Published

      Regulation of intracellular PH of individual bacterial cells in mixed cultures as a basic mechanism of microbial interactions

      Rechinger, K. B., Siegumfeldt, Henrik & Jakobsen, M., 1999. 4 p.

      Research output: Contribution to conference › Paper › Research

    20. Published

      Reduction of Cheddar cheese ripening time through the addition of glucose

      Møller, C. O. D. A., Czárán, T. L., Christensen, B. B., Siegumfeldt, Henrik & Rattray, F. P., 2016.

      Research output: Contribution to conference › Poster › Research

    21. Published

      Rapid assessment of cell viability of Lactobacillus delbrueckii subsp. bulgaricus by measurement of intracellular pH in individual cells using fluorescence ratio imaging microscopy

      Rechinger, K. B. & Siegumfeldt, Henrik, 2002, In: International Journal of Food Microbiology. 75, 1-2, p. 53-60 8 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    22. Published

      Probiotic potential of Saccharomyces cerevisiae and Kluyveromyces marxianus isolated from West African spontaneously fermented cereal and milk products

      Motey, G. A., Johansen, P. G., Owusu-Kwarteng, J., Ofori, L. A., Obiri-Danso, K., Siegumfeldt, Henrik, Larsen, Nadja & Jespersen, Lene, 2020, In: Yeast. 37, 9-10, p. 403-412 10 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    23. Published

      Osmotic Stress Leads to Decreased Intracellular pH of Listeria monocytogenes as Determined by Fluorescence Ratio-Imaging Microscopy

      Fang, W., Siegumfeldt, Henrik, Budde, B. B. & Jakobseb, M., 2004, In: Journal of Applied Microbiology. Vol 70, No 5, 5, p. 3176-3179 4 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    24. Published

      Optical micro-manipulation of mixed yeast cell populations for analyzing growth behaviour

      Glückstad, J., Rodrigo, P. J., Daria, V. R., Siegumfeldt, Henrik, Nissen, P. & Arneborg, Nils, 21 Jul 2005, In: Progress in Biomedical Optics and Imaging - Proceedings of SPIE. 5699, p. 306-312 7 p., 46.

      Research output: Contribution to journal › Conference article › Research › peer-review

    25. Published

      Noninvasive measurement of bacterial intracellular pH on a single-cell level with green fluorescent protein and fluorescence ratio imaging microscopy

      Olsen, K. N., Budde, B. B., Siegumfeldt, Henrik, Rechinger, K. B., Jakobsen, M. & Ingmer, Hanne, 2002, In: Applied and Environmental Microbiology. 68, 8, p. 4145-4147 3 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    26. Published

      Leucocins 4010 from Leuconostoc carnosum cause a matrix related decrease in intracellular pH of Listeria monocytogenes

      Fang, W., Budde, B. B. & Siegumfeldt, Henrik, 2006, In: FEMS Microbiology Letters. 258, 2, p. 208-213 6 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    27. Published

      Lactic Acid Bacteria: Influence on intracellular pH in Mycobacterum avium subsp. paratubercolosis

      Gaggìa, F., Siegumfeldt, Henrik, Nielsen, Dennis Sandris, Biavati, B. & Jakobsen, M., 2008, Food Micro 2008: Evolving microbial food quality and safety: Programme and Abstracts Book. p. 138 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    28. Published

      Investigation of the transit tolerance of Lactobacillus Acidophilus NCFM during the passage of the gastrointestinal tract

      Weiss, G. M., Pedersen (BSc), L. L., Siegumfeldt, Henrik & Jespersen, Lene, 2008, IPA World Congress. p. 4 1 p.

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    29. Published

      Intrecellular pH in single bacterial cells determined by fluorescence ratio imaging

      Siegumfeldt, Henrik & Rechinger, K. B., 1999, European journal of histochemistry. 1, ed. p. 38

      Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

    30. Published

      Intracellular pH of Mycobacterium avium subsp. paratuberculosis following exposure to antimicrobial compounds monitored at the single cell level

      Gaggìa, F., Nielsen, Dennis Sandris, Biavati, B. & Siegumfeldt, Henrik, 2010, In: International Journal of Food Microbiology. 141, p. S188-S192 5 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    31. Published

      Intracellular pH homeostasis plays a role in the NaC1 tolerence of Debaryomyces hansenii strains

      Mortensen, H. D., Gori, K., Siegumfeldt, Henrik, Nissen, P., Jespersen, Lene & Arneborg, Nils, 2006, In: Applied Microbiology and Biotechnology. 71, 5, p. 713-719 7 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    32. Published

      Intracellular pH distribution as a cell health indicator in Saccharomyces cerevisiae

      Aabo, T. A., Glückstad, J., Siegumfeldt, Henrik & Arneborg, Nils, 2011, In: Journal of the Royal Society. Interface. 8, 64, p. 1635-1643 9 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    33. Published

      Intracellular pH as an indicator of viability and resuscitation of Campylobacter jejuni after decontamination with lactic acid

      Smigic, N., Rajkovic, A., Nielsen, Dennis Sandris, Siegumfeldt, Henrik, Uyttendaele, M., Devlieghere, F. & Arneborg, Nils, 2009, In: International Journal of Food Microbiology. 135, 2, p. 136-143 8 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    34. Published

      Intracellular pH Campylobacter jejuni when treated with aqueous chlorine dioxide

      Smigic, N., Rajkovic, A., Arneborg, Nils, Siegumfeldt, Henrik, Devlieghere, F. & Nielsen, Dennis Sandris, 2011, In: Foodborne Pathogens and Disease. 8, 2, p. 325-328

      Research output: Contribution to journal › Journal article › Research › peer-review

    35. Published

      Interactive optical trapping shows that confinement is a determinant of growth in a mixed yeast culture

      Arneborg, Nils, Siegumfeldt, Henrik, Andersen, G. H., Nissen, P., Daria, V. R., Rodrigo, P. J. & Glückstad, J., 2005, In: FEMS Microbiology Letters. 245, 1, p. 155-159 5 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    36. Published

      Inhibition of yeast growth during long term exposure to laser light around 1064 nm

      Aabo, T., Perch-Nielsen, I. R., Dam, J. S., Palima, D. Z., Siegumfeldt, Henrik, Glückstad, J. & Arneborg, Nils, 2009, In: Proceedings of SPIE, the International Society for Optical Engineering. 7 p.

      Research output: Contribution to journal › Conference article › Research › peer-review

    37. Published

      Influence of flow direction and flow rate on the initial adhesion of seven Listeria monocytogenes strains to fine polished stainless steel

      Skovager, A., Whitehead, K., Siegumfeldt, Henrik, Ingmer, Hanne, Verran, J. & Arneborg, Nils, 2012, In: International Journal of Food Microbiology. 157, 2, p. 174-181 8 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    38. Published

      Heterogeneity between and within Strains of Lactobacillus brevis Exposed to Beer Compounds

      Zhao, Y., Knoechel, Susanne & Siegumfeldt, Henrik, 2017, In: Frontiers in Microbiology. 8, 13 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    39. Published

      Fra kulturens opvækst til osten bliver moden

      Siegumfeldt, Henrik, Kilstrup, M. & Jakobsen, M., 2007, In: Maelkeritidende. 120, p. 418-419 2 p.

      Research output: Contribution to journal › Journal article › Research

    40. Published

      Forskning i "early events" i starterkulturer

      Rechinger, K. B., Siegumfeldt, Henrik & Jakobsen, M., 2000, In: Dansk Kemi. 81, 4, p. 34-38 5 p.

      Research output: Contribution to journal › Journal article › Communication

    41. Published

      Estimation of "start" in Saccharomyces cerevisiae by flow cytometry and fluorescent staining of DNA and cell protein

      Guldfeldt, L., Siegumfeldt, Henrik, Lammert, L. & Jakobsen, M., 1996, Fluorescence microscopy and fluorescent probes. J. Slavik (ed.). New York: Plenum Publishing Corporation, p. 191-195 5 p.

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

    42. Published

      Endocytosis and vacuolar morphology in Saccharomyces cerevisiae are altered in response to ethanol stress or heat shock

      Meaden, P. G., Arneborg, Nils, Guldfeldt, L. U., Siegumfeldt, Henrik & Jakobsen, M., 1999, In: Yeast. 15, p. 1211-1222 12 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    43. Published

      Effects of intrinsic microbial stress factors on viability and physiological condition of yeasts isolated from spontaneously fermented cereal doughs

      Houngbédji, M., Johansen, P., Padonou, S. W., Hounhouigan, D. J., Siegumfeldt, Henrik & Jespersen, Lene, 2019, In: International Journal of Food Microbiology. 304, p. 75-88

      Research output: Contribution to journal › Journal article › Research › peer-review

    44. Published

      Effect of the gastrointestinal environment on pH homeostasis of Lactobacillus plantarum and Lactobacillus brevis cells as measured by real-time fluorescence ratio-imaging microscopy

      Ramos, C. L., Thorsen, L., Ryssel, M., Nielsen, Dennis Sandris, Siegumfeldt, Henrik, Schwan, R. F. & Jespersen, Lene, 2014, In: Research in Microbiology. 165, 3, p. 215-225 11 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    45. Published

      Effect of long- and short-term exposure to laser light at 1070 nm on growth of Saccharomyces cerevisiae

      Aabo, T. A., Perch-Nielsen, I. R., Dam, J. S., Palima, D., Siegumfeldt, Henrik, Glückstad, J. & Arneborg, Nils, 2010, In: Journal of Biomedical Optics. 15, 4, 7 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    46. Published

      Effect of acidic and osmotic stresses on survival of Listeria monocytogenes through an in vitro model of the gastrointestinal tract

      Johansen, P., Larsen, Nadja, Siegumfeldt, Henrik, Arneborg, Nils & Jespersen, Lene, 2014. 1 p.

      Research output: Contribution to conference › Poster › Research

    47. Published

      Early events i starterkulturer

      Rechinger, K. B., Siegumfeldt, Henrik & Jakobsen, M., 2000, In: Plus Proces. 1, p. 3-5 3 p.

      Research output: Contribution to journal › Journal article › Communication

    48. Published

      Dynamic changes of intracellular pH in individual lactic acid bacterium cells in reponse to a rapid drop in extracellular pH

      Siegumfeldt, Henrik, Rechinger, K. B. & Jakobsen, M., 2000, In: Applied and Environmental Microbiology. 66, 6, p. 2330-2335 6 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    49. Published

      Diversity in NaCl tolerance of Lactococcus lactis strains from DL-starter cultures for production of semi-hard cheeses

      Kristensen, L. S., Siegumfeldt, Henrik, Larsen, Nadja & Jespersen, Lene, 2020, In: International Dairy Journal. 105, 5 p., 104673.

      Research output: Contribution to journal › Journal article › Research › peer-review

    50. Published

      Differential expression of proteins and genes in the lag phase of Lactococcus lactis subsp. lactis grown in synthetic medium and reconstituted skim milk

      Larsen, Nadja, Boye, M., Siegumfeldt, Henrik & Jakobsen, M., 2006, In: Applied and Environmental Microbiology. 72, 2, p. 1173-1179 7 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

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