Publikationen

2023

Katharina Detert and Herbert Schmidt  (2023). Sporadic Detection of Escherichia coli O104:H4 Strain C227/11Φcu in the Edible Parts of Lamb's Lettuce Cultured in Contamiated Agricultural Soil Samples. Microorganisms, 11(2072) doi:10.3390/microorganisms10111443

Tiwari SK, van der Putten BCL, Fuchs TM, Vinh TN, Bootsma M, Oldenkamp R, La Ragione R, Matamoros S, Hoa NT, Berens C, Leng J, Álvarez J, Ferrandis-Vila M, Ritchie JM, Fruth A, Schwarz S, Domínguez L, Ugarte-Ruiz M, Bethe A, Huber C, Johanns V, Stamm I, Wieler LH, Ewers C, Fivian-Hughes A, Schmidt H, Menge C, Semmler T, Schultsz C. (2023). Genome-wide association reveals host-specific genomic traits in Escherichia coli. BMC Biology, 21:76 doi:10.1186/s12915-023-01562-w

Katharina Detert, Jonathan Währer, Kay Nieselt, Herbert Schmidt (2023). Broad time-dependent transcriptional activity of metabolic genes of E. coli O104:H4 strain C227/11Φcu in a soil microenvironment at low temperature. Environmental Microbiology, doi: 10.1111/1758-2229.13198

2022

Sessler, K., Herbert Schmidt and Holger Barth (2022). Novel Aspects of the SubA Subunit of the Subtilase Cytotoxin. Toxins, 14, 156  doi:10.3390/toxins14020156

Lang Peng, Rexford Mawunyo Dumevi, Marco Chitto, Nadja Haarmann, Petya Berger, Gerald Koudelka, Herbert Schmidt, Alexander Mellmann, Ulrich Dobrindt and Michael Berger (2022). A Robust One-Step Recombineering System for Enterohemorrhagic Escherichia coli. Microorganisms, 10,1689 doi:10.3390/microorganisms10091689

2021

Forschungskreis der Ernährungsindustrie (FEI): Reduktion der Bitterkeit von fermentierten Milchprodukten mit erhöhtem Calciumgehalt durch Selektion geeigneter Starterkulturen - Einfluss milchendogener und exogener Peptidasen

Detert, K., & Schmidt, H. (2021). Survival of enterohemorrhagic Escherichia coli O104:H4 strain C227/11Φcu in agricultural soils depends on rpoS and environmental factors. Pathogens, 10(11) doi:10.3390/pathogens10111443

Forler, B., Horstmann, G., Schäfer, J., Michel, C., Weiss, A., Stressler, T., Fischer, L., Hinrichs, J.,Schmidt, H. (2021). Effects of protein, calcium, and pH on gene transcription, cell-envelope peptidase activity of Lactococcus lactis strains, and the formation of bitter peptides. Foods, 10(7) doi:10.3390/foods10071588

Heinisch, L., Krause, M., Roth, A., Barth, H., & Schmidt, H. (2021). Cytotoxic effects of recombinant StxA2-His in the absence of its corresponding B-subunit. Toxins, 13(5) doi:10.3390/toxins13050307

Rodríguez-Rubio, L., Haarmann, N., Schwidder, M., Muniesa, M., & Schmidt, H. (2021). Bacteriophages of Shiga toxin-producing Escherichia coli and their contribution to pathogenicity. Pathogens, 10(4) doi:10.3390/pathogens10040404

Sessler, K., Papatheodorou, P., Wondany, F., Krause, M., Noettger, S., Bernhard, D., Michaelis, J., Schmidt, H., Barth, H. (2021). The enzyme subunit SubA of Shiga toxin-producing E. coli strains demonstrates comparable intracellular transport and cytotoxic activity as the holotoxin SubAB in HeLa and HCT116 cells in vitro. Archives of Toxicology, 95(3), 975-983. doi:10.1007/s00204-020-02965-2

2020

Seitter M, Fleig, M, Schmidt H, Hertel C. 2020. Effect of exopolysaccharides produced by Lactobacillus sanfranciscensis on the processing properties of wheat doughs. Eur Food Res Technol. 246:461–469.

Josenhans C, Müthing J, Elling L, Bartfeld S, Schmidt H. 2020. How bacterial pathogens of the gastrointestinal tract use the mucosal glyco-code to harness mucus and microbiota: new ways to study an ancient bag of tricks. Int J Med Microbiol. 310:151392.

 

 

Krause M, Sessler K, Kaziales A, Grahl R, Noettger S, Barth H, Schmidt H. 2019. Variants of Escherichia coli Subtilase cytotoxin subunits show differences in complex formation in vitro. Toxins (Basel). 11:703. 

Bufe T, Hennig A, Klumpp J, Weiss A, Nieselt K, Schmidt H. 2019. Differential transcriptome analysis of enterohemorrhagic Escherichia coli strains reveals differences in response to plant-derived compounds. BMC Microbiol. 19:212. 

Eissenberger K, Drissner D, Walsh F, Weiss A, Schmidt H. 2019. Plant variety and soil type influence Escherichia coli O104:H4 strain C227 / 11 ϕcu adherence to and internalization into the roots of lettuce plants. Food Microbiol. 86.

Heinisch L, Zoric K, Krause M, Schmidt H. 2019. Transcription of the subtilase cytotoxin gene subAB1 in Shiga toxin-producing Escherichia coli is dependent on hfq and hns. Appl. Environ. Microbiol. 85:e01281-19. 

Schwidder M, Heinisch L, Schmidt H. 2019. Genetics, toxicity, and distribution of enterohemorrhagic Escherichia coli hemolysin. Toxins (Basel). 11:502. 

Horstmann G, Schäfer J, Forler B, Weiß A, Schmidt H, Hinrichs J, Stressler T., Fischer L. 2019. Reduktion der Bitterkeit von fermentierten Milchprodukten mit erhöhtem Protein- und Calciumgehalt, DMW – Die Milchwirtschaft. 3:98-100.

Nübling S, Hägele F, Schweiggert R, Carle R, Schmidt H, Weiss A. 2019. Effect of different wash water additives and deep-frozen storage on the quality of curly Parsley (Petroselinum crispum var. crispum). Food Bioprocess Tech. 12:158-165.

Weiss A, Heinold D, Brunisholz R, Schmidt H, Drissner D. 2019. Application of MALDI-TOF mass spectrometry and specific PCR for tracking of E. coli O157:H- strain 431/97 in Batavia lettuce. Chem. Biol. Technol. Agric. 6:2.

Eißenberger K, Moench D, Drissner D, Weiss A, Schmidt H. 2018. Adherence factors of enterohemorrhagic Escherichia coli O157:H7 strain Sakai influence its uptake into the roots of Valerianella locusta grown in soil. Food Microbiol. 76:245-256.

Feuerbaum S, Saile N, Pohlentz G, Müthing J, Schmidt H. 2018. De-O-Acetylation of mucin-derived sialic acids by recombinant NanS-p esterases of Escherichia coli O157:H7 strain EDL933. Int. J. Med. Microbiol. 308:1113-1120.

Bosse (née Danz) R, Müller A, Gibis M, Weiss A, Schmidt H, Weiss J. 2018. Recent advances in cured raw ham manufacture. Critical Reviews in Food Sci. Nutr. 58:610-630.

Saile N, Schuh E, Semmler T, Eichhorn I, Wieler LH, Bauwens A, Schmidt H. 2018. Determination of virulence and fitness genes associated with the pheU, pheV and selC integration sites of LEE-negative food-borne Shiga toxin-producing Escherichia coli strains. Gut Pathog. 10:43.

Eichhorn I, Heidemanns K, Ulrich RG, Schmidt H, Semmler T, Fruth A, Bethe A, Goulding, D, Pickard D, Karch H, Wieler LH. 2018. Lysogenic conversion of atypical enteropathogenic Escherichia coli (aEPEC) from human, murine, and bovine origin with bacteriophage Ф3538 Δstx2::cat proves their enterohemorrhagic E. coli (EHEC) progeny. Int. J. Med. Microbiol. 308:890-898.

Saile N, Schwarz L, Eißenberger K, Klumpp J, Fricke FW, Schmidt H. 2018. Growth advantage of Escherichia coli O104:H4 strains on 5-N-acetyl-9-O-acetyl neuraminic acid as a carbon source is dependent on heterogeneous phage-Borne nanS-p esterases. Int. J. Med. Microbiol. 308:459-468.

Samtlebe M, Denis S, Chalancon S, Atamer Z, Wagner N, Neve H, Franz C, Schmidt H, Blanquet-Diot S, Hinrichs J. 2018. Bacteriophages as modulator for the human gut microbiota: Release from dairy food systems and survival in a dynamic human gastrointestinal model. LWT - Food Sci. Technol., 91:235-241.

Krause M, Barth H, Schmidt H. 2018 Toxins of locus of enterocyte effacement-negative Shiga toxin-producing Escherichia coli. Toxins 2018, 241, DOI: 10.3390/toxins10060241.

Weiß, A., Schmidt, H. 2018. Lebensmittelbedingte Erkrankungen durch Bakterien und Viren, p 307-318 In Biesalski HK, Bischoff SC, Pirlich M, Weimann A (ed). Ernährungsmedizin. 5th ed, Thieme Verl., Stuttgart.

Denyes JM, Dunne M, Steiner S, Mittelviefhaus M, Weiss A, Schmidt H, Klumpp J, Loessner MJ. 2017. Modified bacteriophage S16 long tail fiber proteins for rapid and specific immobilization and detection of Salmonella cells. Appl. Environm. Microbiol. 83:e00277-17.

Eissenberger K, Drissner D, Schmidt H. 2017. In vivo-Kontamination von Feld- und Kopfsalat mit EHEC O157:H7 im Gewächshaus. Journal für Kulturpflanzen 69:183-186.

Bosse R, (née Danz), Wirth M, Gibis M, Schmidt H, Weiss J. 2017. Kinetics of volatile marker compounds during ripening of cured loins inoculated with Staphylococcus carnosus. J. Sci. Food Agric. Wiley Online Library, DOI: 10.1002/jsfa.8150.

Bosse R, (née Danz), Wirth M, Gibis M, Schmidt H, Weiss J. 2017. Kinetics of volatile marker compounds during ripening of cured loins inoculated with Staphylococcus carnosus. J. Sci. Food Agric. Wiley Online Library, DOI: 10.1002/jsfa.8150.

Tasara T, Fierz L, Klumpp J, Schmidt H, Stephan R. 2017 Draft genome sequences of five Shiga toxin-producing Escherichia coli isolates harboring the new and recently described subtilase cytotoxin allelic variant subAB2-3. Genome Announc. 5:e01582-16.

Manrique Y, Gibis M, Schmidt H, Weiss J. 2017. Influence of application sequence and timing of eugenol and lauric arginate (LAE) on survival of spoilage organisms. Food Microbiol. 64:210-218.

Bosse R (née Danz), Thiermann N, Gibis M, Schmidt H, Weiss, J. 2017. Effect of mechanical curing treatments on particle distribution to simulate non-motile bacteria migration in cured raw ham. J. Food Eng. 194:58-66.

Bückle A (née Müller), Kranz M, Schmidt H, Weiss A. 2017. Genetic diversity and population of food-borne Staphylococcus carnosus strains. Syst. Appl. Microbiol. 40:34-41.

Nübling S, Wohlt D, Saile N, Weiss A, Schmidt H. 2017. Antimicrobial effect of lauroyl arginate ethyl (LAE) on Escherichia coli O157:H7 and Listeria monocytogenes on red oak leaf lettuce. Eur. Food Res. Technol. 243:879-887.

Nübling S, Hägele F, Wohlt D, Graf B, Schweiggert RM, Carle R, Schmidt H, Weiss A. 2017. Effects of Quillaja saponaria extract and Nα-lauryl-L-arginine ethyl ester on reducing selected foodborne pathogens in vitro and maintaining quality of fresh-cut endive (Cichorium endivia L.) at pilot plant scale. Food Control 73:393-400.

Manrique Y, Gibis M, Schmidt H, Weiss J. 2016. Antimicrobial efficacy of sequentially applied eugenol against food spoilage micro-organisms. J. Appl. Microbiol. 121:1699-1709.

Manrique Y, Suriyarak S, Gibis M, Schmidt H, Weiss J. 2016. Survival of spoilage bacteria subjected to sequential eugenol and temperature treatments. Int. J. Food Microbiol. 218:6-16.

Bosse (née Danz) R, Gibis M, Schmidt H, Weiss, J. 2016. Nitrate reductase activity of Staphylococcus carnosus affecting the color formation in cured raw ham. Food Res. Int. 85:113-120.

Müller A, Bosse R, Weiss A, Wolz M, Fogarassy G, Herrmann K, Gibis M, Weiss J, Schmidt H. 2016. Staphylococcus equorum-Stämme als Starterkulturen in der Rohschinkenherstellung. FleischWirtschaft 10:94-97.

Müller A, Klumpp J, Schmidt H, Weiss A. 2016 Complete genome sequence of Staphylococcus carnosus LTH 3730. Genome Announc. 4:e01038-16.

Monteiro R, Ageorges V, Rojas-Lopez M, Schmidt H, Weiss A, Bertin Y, Forano E, Jubelin G, Henderson IR, Livrelli V, Gobert AP, Rosini R, Soriani M, Desvaux M. 2016. A secretome view of colonization factors in Shiga toxin-encoding Escherichia coli (STEC): from enterohaemorrhagic E. coli (EHEC) to related enteropathotypes. FEMS Microbiol. Lett. 363:fnw179.

Hägele F, Nübling S, Schweiggert RM, Baur S, Weiss A, Schmidt H, Menegat A, Gerhards R, Carle R. 2016. Quality improvement of fresh-cut endive (Cichorium endivia L.) and recycling of washing water by low-dose UV-C irradiation. Food Bioprocess Technol. 9:1979-1990.

Saile N, Voigt A, Kessler S, Stressler T, Klumpp J, Fischer L, Schmidt H. 2016. E. coli O157:H7 strain EDL933 harbors multiple functional prophage-associated genes necessary for the utilization of 5-N-acetyl-9-O-acetyl neuraminic acid as a growth substrate. Appl. Environ. Microbiol. 82:5940-5950.

Hägele F, Nübling S, Schweiggert RM, Nolte L, Weiss A, Schmidt H, Carle R. 2016. Comparison of ultra-high-pressure water jet and conventional rotating blade cutting for the production of fresh-cut iceberg (Lactuca sative L.) and endive (Cichorium endivia L.). Eur. Food Res. Technol., 242:2071-2081.

Stressler T, Ewert J, Merz M, Funk J, Claaßen W, Lutz-Wahl S, Schmidt H, Kuhn A, Fischer L. 2016. A novel Glutamyl (Aspartyl)-specific Aminopeptidase A from Lactobacillus delbrueckii with promising properties for application. PLOS ONE 11:1-20.

Müller A, Reichhardt R, Fogarassy G, Bosse R (née Danz), Gibis M, Weiss J, Schmidt H, Weiss A. 2016. Safety assessment of selected Staphylococcus carnosus strains with regard to their application as meat starter culture. Food Control 66:93-99.

Müller A, Fogarassy G, Bajac A, Weiss J, Weiss A, Schmidt H. 2016. Selection of Staphylococcus carnosus strains based on in vitro analysis of technologically relevant physiological activities. Ann. Microbiol. 66:479-487.

Nübling S, Schmidt H, Weiss A. 2016. Variation of the Pseudomonas community structure on oak leaf lettuce during storage detected by culture-dependent und -independent methods. Int. J. Food Microbiol. 216:95-103.

Hauser E, Bruederle M, Reich C, Bruckbauer A, Funk J, Schmidt H. 2016. Subtilase contributes to the cytotoxicity of a Shiga toxin-producing Escherichia coli strain encoding three different toxins. Int. J. Food Microbiol. 217:156-161.

Wulfkühler S, Müller A, Weiss A, Mix K, Rebmann M, Schmidt H, Stahl M, Carle R. 2015. Sanitation of process water from fresh-cut lettuce production by means of UV-C. In Terry LA et al. (ed), Proceedings VIth International Conference on Managing Quality in Chains. Acta Hort. ISHS 1091:327-334. (Buchbeitrag)

Weiss A, Scheller F, Oggenfuss M, Walsh F, Frey JE, Drissner D, Schmidt H. 2015. Analysis of the bacterial epiphytic microbiota of oak leaf lettuce with 16S ribosomal RNA gene analysis. J. Microbiol. Biotechnol. Food Sci. 5:271-276.

Bosse R (née Danz), Gibis M, Schmidt H, Weiss J. 2015. Kinetics of migration of colloidal particles in meat muscles in the absence and presence of a proteolytic enzyme to simulate non-motile bacteria penetration. Food Res. Int. 75:79-88.

Eichhorn I, Heidemanns K, Semmler T, Kinnemann B, Mellmann A, Harmsen D, Anjum MF, Schmidt H, Fruth A, Valentin-Weigand P, Heesemann J, Suerbaum S, Karch H, Wieler LH. 2015, Highly virulent non-O157 enterohemorrhagic Escherichia coli (EHEC) serotypes reflect similar phylogenetic lineages, providing new insights into the evolution of EHEC, Appl. Environ. Microbiol. 81:7041-7047.

Müller A, Huptas C, Wenning M, Schmidt H, Weiss A. 2015. Draft genome sequence of Staphylococcus carnosus subsp. utilis LTh 7013, isolated from South Tyrolean ham. Genome Announc 3:e00456-15.

Funk J, Biber N, Schneider M, Hauser E, Enzenmüller S, Förtsch C, Barth H, Schmidt H. 2015. Cytotoxic and apoptotic effects of recombinant subtilase cytotoxin variants of shiga toxin-producing Escherichia coli. Infect. Immun. 83:2338-2349.

Ermis E, Hertel C, Schneider C, Carle R, Stintzing F, Schmidt H. 2015. Characterization of in vitro antifungal activities of small and American cranberry (Vaccinium oxycoccos L. and V. macrocarpon Aiton) and lingonberry (Vaccinium vitis-idaea L.) concentrates in sugar reduced fruit spreads. Int. J. Food Microbiol. 204:111-117.

Nüesch-Inderbinen MT, Funk J, Cernela N, Tasara T, Klumpp J, Schmidt H, Stephan R. 2015. Prevalence of subtilase cytotoxin-encoding subAB variants among Shiga toxin-producing Escherichia coli strains isolated from wild ruminants and sheep differs from that of cattle and pigs and is predominated by the new allelic variant subAB2-2. Int. J. Med. Microbiol. 305:124-128.

Wulfkuehler S, Dietz J, Schmidt H, Weiss A, Carle R. 2015. Quality of fresh-cut radicchio cv. Rosso di Chioggia (Cichorium intybus L. var. foliosum Hegi) as affected by water jet cutting and different washing procedures. Eur. Food Res. Technol., 240:159-172.

Suriyarak S, Gibis M, Schmidt H, Villeneuve P, Weiss J. 2014. Antimicrobial mechanism and activity of Dodecyl Rosmarinate against Staphylococcus carnosus LTH1502 as influenced by addition of salt and change in pH. J. Food Prot. 77:444-452.

Wulfkuehler S, Stark S, Dietz J, Schmidt H, Weiss A, Carle R. 2014. Effect of water jet cutting and moderate heat treatment on quality of fresh-cut red oak leaf lettuce (Lactuca sativa L. var. crispa). Food Bioprocess Technol. 7:3478-3492.

Jaglic Z, Desvaux, M, Weiss A, Nesse LL, Meyer RL, Demnerova K, Schmidt H, Giaouris E, Sipailiene A, Teixeira P, Kačániová M, Riedel CU, Knøchel S. 2014. Surface adhesins and exopolymers of selected foodborne pathogens. Microbiology 160:2561-2582.

Muniesa M, Schmidt H. 2014. Shiga toxin-encoding phages: Multifunctional gene ferries, p. 57-77. In Morabito S. (ed.), Pathogenic Escherichia coli: Molecular and Cellular Microbiology, Norfolk, UK.

Zimmermann J, Schmidt H, Loessner MJ, Weiss A. 2014. Development of a rapid detection system for opportunistic pathogenic Cronobacter spp. in powdered milk products. Food Microbiol. 42:19-25.

Zimmermann J, Klumpp J, Weiß A, Loessner MJ, Schmidt H. 2014. Food safety: Fast, Faster, Phage - Schneller Nachweis von Krankheitserregern in Milcherzeugnissen. Labor&More 1.14:36-41.

Nübling S, Eisele T, Stöber H, Funk J, Polzin S, Fischer L, Schmidt H. 2014. Bacteriophage 933W encodes a functional esterase downstream of the Shiga toxin 2a operon. Int. J. Med. Microbiol. 304:269-274.

Kroj A, Hauser E, Schmidt H. 2014. Comparison of net growth of Shiga toxin-producing Escherichia coli strains of serogroups O26, O103, and O157 in ground meat at different temperatures. Eur. Food Res. Technol. 238:163-168.

2023

Katharina Detert and Herbert Schmidt  (2023). Sporadic Detection of Escherichia coli O104:H4 Strain C227/11Φcu in the Edible Parts of Lamb's Lettuce Cultured in Contamiated Agricultural Soil Samples. Microorganisms, 11, 2072 doi:10.3390/microorganisms10111443

Tiwari SK, van der Putten BCL, Fuchs TM, Vinh TN, Bootsma M, Oldenkamp R, La Ragione R, Matamoros S, Hoa NT, Berens C, Leng J, Álvarez J, Ferrandis-Vila M, Ritchie JM, Fruth A, Schwarz S, Domínguez L, Ugarte-Ruiz M, Bethe A, Huber C, Johanns V, Stamm I, Wieler LH, Ewers C, Fivian-Hughes A, Schmidt H, Menge C, Semmler T, Schultsz C. (2023). Genome-wide association reveals host-specific genomic traits in Escherichia coli. BMC Biology, 21:76 doi:10.1186/s12915-023-01

Katharina Detert, Jonathan Währer, Kay Nieselt, Herbert Schmidt (2023). Broad time-dependent transcriptional activity of metabolic genes of E. coli O104:H4 strain C227/11Φcu in a soil microenvironment at low temperature. Environmental Microbiology, doi: 10.1111/1758-2229.13198

2022

Sessler, K., Herbert Schmidt and Holger Barth (2022). Novel Aspects of the SubA Subunit of the Subtilase Cytotoxin. Toxins, 14, 156  doi:10.3390/toxins14020156

Lang Peng, Rexford Mawunyo Dumevi, Marco Chitto, Nadja Haarmann, Petya Berger, Gerald Koudelka, Herbert Schmidt, Alexander Mellmann, Ulrich Dobrindt and Michael Berger (2022). A Robust One-Step Recombineering System for Enterohemorrhagic Escherichia coli. Microorganisms, 10,1689 doi:10.3390/microorganisms10091689

2021

Forschungskreis der Ernährungsindustrie (FEI): Reduktion der Bitterkeit von fermentierten Milchprodukten mit erhöhtem Calciumgehalt durch Selektion geeigneter Starterkulturen - Einfluss milchendogener und exogener Peptidasen

Detert, K., & Schmidt, H. (2021). Survival of enterohemorrhagic Escherichia coli o104:H4 strain c227/11Φcu in agricultural soils depends on rpoS and environmental factors. Pathogens, 10(11) doi:10.3390/pathogens10111443

Forler, B., Horstmann, G., Schäfer, J., Michel, C., Weiss, A., Stressler, T., Fischer, L., Hinrichs, J.,Schmidt, H. (2021). Effects of protein, calcium, and pH on gene transcription, cell-envelope peptidase activity of Lactococcus lactis strains, and the formation of bitter peptides. Foods, 10(7) doi:10.3390/foods10071588

Heinisch, L., Krause, M., Roth, A., Barth, H., & Schmidt, H. (2021). Cytotoxic effects of recombinant Stxa2-His in the absence of its corresponding B-subunit. Toxins, 13(5) doi:10.3390/toxins13050307

Rodríguez-Rubio, L., Haarmann, N., Schwidder, M., Muniesa, M., & Schmidt, H. (2021). Bacteriophages of Shiga toxin-producing Escherichia coli and their contribution to pathogenicity. Pathogens, 10(4) doi:10.3390/pathogens10040404

Sessler, K., Papatheodorou, P., Wondany, F., Krause, M., Noettger, S., Bernhard, D., Michaelis, J., Schmidt, H., Barth, H. (2021). The enzyme subunit SubA of Shiga toxin-producing E. coli strains demonstrates comparable intracellular transport and cytotoxic activity as the holotoxin SubAB in HeLa and HCT116 cells in vitro. Archives of Toxicology, 95(3), 975-983. doi:10.1007/s00204-020-02965-2

2020

Seitter M, Fleig, M, Schmidt H, Hertel C. 2020. Effect of exopolysaccharides produced by Lactobacillus sanfranciscensis on the processing properties of wheat doughs. Eur Food Res Technol. 246:461–469.

Josenhans C, Müthing J, Elling L, Bartfeld S, Schmidt H. 2020. How bacterial pathogens of the gastrointestinal tract use the mucosal glyco-code to harness mucus and microbiota: new ways to study an ancient bag of tricks. Int J Med Microbiol. 310:151392.

 

 

2019

Krause M, Sessler K, Kaziales A, Grahl R, Noettger S, Barth H, Schmidt H. 2019. Variants of Escherichia coli Subtilase cytotoxin subunits show differences in complex formation in vitro. Toxins (Basel). 11:703. 

Bufe T, Hennig A, Klumpp J, Weiss A, Nieselt K, Schmidt H. 2019. Differential transcriptome analysis of enterohemorrhagic Escherichia coli strains reveals differences in response to plant-derived compounds. BMC Microbiol. 19:212. 

Eissenberger K, Drissner D, Walsh F, Weiss A, Schmidt H. 2019. Plant variety and soil type influence Escherichia coli O104:H4 strain C227 / 11 ϕcu adherence to and internalization into the roots of lettuce plants. Food Microbiol. 86.

Heinisch L, Zoric K, Krause M, Schmidt H. 2019. Transcription of the subtilase cytotoxin gene subAB1 in Shiga toxin-producing Escherichia coli is dependent on hfq and hns. Appl. Environ. Microbiol. 85:e01281-19. 

Schwidder M, Heinisch L, Schmidt H. 2019. Genetics, toxicity, and distribution of enterohemorrhagic Escherichia coli hemolysin. Toxins (Basel). 11:502. 

Horstmann G, Schäfer J, Forler B, Weiß A, Schmidt H, Hinrichs J, Stressler T., Fischer L. 2019. Reduktion der Bitterkeit von fermentierten Milchprodukten mit erhöhtem Protein- und Calciumgehalt, DMW – Die Milchwirtschaft. 3:98-100.

Nübling S, Hägele F, Schweiggert R, Carle R, Schmidt H, Weiss A. 2019. Effect of different wash water additives and deep-frozen storage on the quality of curly Parsley (Petroselinum crispum var. crispum). Food Bioprocess Tech. 12:158-165.

Weiss A, Heinold D, Brunisholz R, Schmidt H, Drissner D. 2019. Application of MALDI-TOF mass spectrometry and specific PCR for tracking of E. coli O157:H- strain 431/97 in Batavia lettuce. Chem. Biol. Technol. Agric. 6:2.

Eißenberger K, Moench D, Drissner D, Weiss A, Schmidt H. 2018. Adherence factors of enterohemorrhagic Escherichia coli O157:H7 strain Sakai influence its uptake into the roots of Valerianella locusta grown in soil. Food Microbiol. 76:245-256.

Feuerbaum S, Saile N, Pohlentz G, Müthing J, Schmidt H. 2018. De-O-Acetylation of mucin-derived sialic acids by recombinant NanS-p esterases of Escherichia coli O157:H7 strain EDL933. Int. J. Med. Microbiol. 308:1113-1120.

Bosse (née Danz) R, Müller A, Gibis M, Weiss A, Schmidt H, Weiss J. 2018. Recent advances in cured raw ham manufacture. Critical Reviews in Food Sci. Nutr. 58:610-630.

Saile N, Schuh E, Semmler T, Eichhorn I, Wieler LH, Bauwens A, Schmidt H. 2018. Determination of virulence and fitness genes associated with the pheU, pheV and selC integration sites of LEE-negative food-borne Shiga toxin-producing Escherichia coli strains. Gut Pathog. 10:43.

Eichhorn I, Heidemanns K, Ulrich RG, Schmidt H, Semmler T, Fruth A, Bethe A, Goulding, D, Pickard D, Karch H, Wieler LH. 2018. Lysogenic conversion of atypical enteropathogenic Escherichia coli (aEPEC) from human, murine, and bovine origin with bacteriophage Ф3538 Δstx2::cat proves their enterohemorrhagic E. coli (EHEC) progeny. Int. J. Med. Microbiol. 308:890-898.

Saile N, Schwarz L, Eißenberger K, Klumpp J, Fricke FW, Schmidt H. 2018. Growth advantage of Escherichia coli O104:H4 strains on 5-N-acetyl-9-O-acetyl neuraminic acid as a carbon source is dependent on heterogeneous phage-Borne nanS-p esterases. Int. J. Med. Microbiol. 308:459-468.

Samtlebe M, Denis S, Chalancon S, Atamer Z, Wagner N, Neve H, Franz C, Schmidt H, Blanquet-Diot S, Hinrichs J. 2018. Bacteriophages as modulator for the human gut microbiota: Release from dairy food systems and survival in a dynamic human gastrointestinal model. LWT - Food Sci. Technol., 91:235-241.

Krause M, Barth H, Schmidt H. 2018 Toxins of locus of enterocyte effacement-negative Shiga toxin-producing Escherichia coli. Toxins 2018, 241, DOI: 10.3390/toxins10060241.

Weiß, A., Schmidt, H. 2018. Lebensmittelbedingte Erkrankungen durch Bakterien und Viren, p 307-318 In Biesalski HK, Bischoff SC, Pirlich M, Weimann A (ed). Ernährungsmedizin. 5th ed, Thieme Verl., Stuttgart.

Denyes JM, Dunne M, Steiner S, Mittelviefhaus M, Weiss A, Schmidt H, Klumpp J, Loessner MJ. 2017. Modified bacteriophage S16 long tail fiber proteins for rapid and specific immobilization and detection of Salmonella cells. Appl. Environm. Microbiol. 83:e00277-17.

Eissenberger K, Drissner D, Schmidt H. 2017. In vivo-Kontamination von Feld- und Kopfsalat mit EHEC O157:H7 im Gewächshaus. Journal für Kulturpflanzen 69:183-186.

Bosse R, (née Danz), Wirth M, Gibis M, Schmidt H, Weiss J. 2017. Kinetics of volatile marker compounds during ripening of cured loins inoculated with Staphylococcus carnosus. J. Sci. Food Agric. Wiley Online Library, DOI: 10.1002/jsfa.8150.

Bosse R, (née Danz), Wirth M, Gibis M, Schmidt H, Weiss J. 2017. Kinetics of volatile marker compounds during ripening of cured loins inoculated with Staphylococcus carnosus. J. Sci. Food Agric. Wiley Online Library, DOI: 10.1002/jsfa.8150.

Tasara T, Fierz L, Klumpp J, Schmidt H, Stephan R. 2017 Draft genome sequences of five Shiga toxin-producing Escherichia coli isolates harboring the new and recently described subtilase cytotoxin allelic variant subAB2-3. Genome Announc. 5:e01582-16.

Manrique Y, Gibis M, Schmidt H, Weiss J. 2017. Influence of application sequence and timing of eugenol and lauric arginate (LAE) on survival of spoilage organisms. Food Microbiol. 64:210-218.

Bosse R (née Danz), Thiermann N, Gibis M, Schmidt H, Weiss, J. 2017. Effect of mechanical curing treatments on particle distribution to simulate non-motile bacteria migration in cured raw ham. J. Food Eng. 194:58-66.

Bückle A (née Müller), Kranz M, Schmidt H, Weiss A. 2017. Genetic diversity and population of food-borne Staphylococcus carnosus strains. Syst. Appl. Microbiol. 40:34-41.

Nübling S, Wohlt D, Saile N, Weiss A, Schmidt H. 2017. Antimicrobial effect of lauroyl arginate ethyl (LAE) on Escherichia coli O157:H7 and Listeria monocytogenes on red oak leaf lettuce. Eur. Food Res. Technol. 243:879-887.

Nübling S, Hägele F, Wohlt D, Graf B, Schweiggert RM, Carle R, Schmidt H, Weiss A. 2017. Effects of Quillaja saponaria extract and Nα-lauryl-L-arginine ethyl ester on reducing selected foodborne pathogens in vitro and maintaining quality of fresh-cut endive (Cichorium endivia L.) at pilot plant scale. Food Control 73:393-400.

Manrique Y, Gibis M, Schmidt H, Weiss J. 2016. Antimicrobial efficacy of sequentially applied eugenol against food spoilage micro-organisms. J. Appl. Microbiol. 121:1699-1709.

Manrique Y, Suriyarak S, Gibis M, Schmidt H, Weiss J. 2016. Survival of spoilage bacteria subjected to sequential eugenol and temperature treatments. Int. J. Food Microbiol. 218:6-16.

Bosse (née Danz) R, Gibis M, Schmidt H, Weiss, J. 2016. Nitrate reductase activity of Staphylococcus carnosus affecting the color formation in cured raw ham. Food Res. Int. 85:113-120.

Müller A, Bosse R, Weiss A, Wolz M, Fogarassy G, Herrmann K, Gibis M, Weiss J, Schmidt H. 2016. Staphylococcus equorum-Stämme als Starterkulturen in der Rohschinkenherstellung. FleischWirtschaft 10:94-97.

Müller A, Klumpp J, Schmidt H, Weiss A. 2016 Complete genome sequence of Staphylococcus carnosus LTH 3730. Genome Announc. 4:e01038-16.

Monteiro R, Ageorges V, Rojas-Lopez M, Schmidt H, Weiss A, Bertin Y, Forano E, Jubelin G, Henderson IR, Livrelli V, Gobert AP, Rosini R, Soriani M, Desvaux M. 2016. A secretome view of colonization factors in Shiga toxin-encoding Escherichia coli (STEC): from enterohaemorrhagic E. coli (EHEC) to related enteropathotypes. FEMS Microbiol. Lett. 363:fnw179.

Hägele F, Nübling S, Schweiggert RM, Baur S, Weiss A, Schmidt H, Menegat A, Gerhards R, Carle R. 2016. Quality improvement of fresh-cut endive (Cichorium endivia L.) and recycling of washing water by low-dose UV-C irradiation. Food Bioprocess Technol. 9:1979-1990.

Saile N, Voigt A, Kessler S, Stressler T, Klumpp J, Fischer L, Schmidt H. 2016. E. coli O157:H7 strain EDL933 harbors multiple functional prophage-associated genes necessary for the utilization of 5-N-acetyl-9-O-acetyl neuraminic acid as a growth substrate. Appl. Environ. Microbiol. 82:5940-5950.

Hägele F, Nübling S, Schweiggert RM, Nolte L, Weiss A, Schmidt H, Carle R. 2016. Comparison of ultra-high-pressure water jet and conventional rotating blade cutting for the production of fresh-cut iceberg (Lactuca sative L.) and endive (Cichorium endivia L.). Eur. Food Res. Technol., 242:2071-2081.

Stressler T, Ewert J, Merz M, Funk J, Claaßen W, Lutz-Wahl S, Schmidt H, Kuhn A, Fischer L. 2016. A novel Glutamyl (Aspartyl)-specific Aminopeptidase A from Lactobacillus delbrueckii with promising properties for application. PLOS ONE 11:1-20.

Müller A, Reichhardt R, Fogarassy G, Bosse R (née Danz), Gibis M, Weiss J, Schmidt H, Weiss A. 2016. Safety assessment of selected Staphylococcus carnosus strains with regard to their application as meat starter culture. Food Control 66:93-99.

Müller A, Fogarassy G, Bajac A, Weiss J, Weiss A, Schmidt H. 2016. Selection of Staphylococcus carnosus strains based on in vitro analysis of technologically relevant physiological activities. Ann. Microbiol. 66:479-487.

Nübling S, Schmidt H, Weiss A. 2016. Variation of the Pseudomonas community structure on oak leaf lettuce during storage detected by culture-dependent und -independent methods. Int. J. Food Microbiol. 216:95-103.

Hauser E, Bruederle M, Reich C, Bruckbauer A, Funk J, Schmidt H. 2016. Subtilase contributes to the cytotoxicity of a Shiga toxin-producing Escherichia coli strain encoding three different toxins. Int. J. Food Microbiol. 217:156-161.

Wulfkühler S, Müller A, Weiss A, Mix K, Rebmann M, Schmidt H, Stahl M, Carle R. 2015. Sanitation of process water from fresh-cut lettuce production by means of UV-C. In Terry LA et al. (ed), Proceedings VIth International Conference on Managing Quality in Chains. Acta Hort. ISHS 1091:327-334. (Buchbeitrag)

Weiss A, Scheller F, Oggenfuss M, Walsh F, Frey JE, Drissner D, Schmidt H. 2015. Analysis of the bacterial epiphytic microbiota of oak leaf lettuce with 16S ribosomal RNA gene analysis. J. Microbiol. Biotechnol. Food Sci. 5:271-276.

Bosse R (née Danz), Gibis M, Schmidt H, Weiss J. 2015. Kinetics of migration of colloidal particles in meat muscles in the absence and presence of a proteolytic enzyme to simulate non-motile bacteria penetration. Food Res. Int. 75:79-88.

Eichhorn I, Heidemanns K, Semmler T, Kinnemann B, Mellmann A, Harmsen D, Anjum MF, Schmidt H, Fruth A, Valentin-Weigand P, Heesemann J, Suerbaum S, Karch H, Wieler LH. 2015, Highly virulent non-O157 enterohemorrhagic Escherichia coli (EHEC) serotypes reflect similar phylogenetic lineages, providing new insights into the evolution of EHEC, Appl. Environ. Microbiol. 81:7041-7047.

Müller A, Huptas C, Wenning M, Schmidt H, Weiss A. 2015. Draft genome sequence of Staphylococcus carnosus subsp. utilis LTh 7013, isolated from South Tyrolean ham. Genome Announc 3:e00456-15.

Funk J, Biber N, Schneider M, Hauser E, Enzenmüller S, Förtsch C, Barth H, Schmidt H. 2015. Cytotoxic and apoptotic effects of recombinant subtilase cytotoxin variants of shiga toxin-producing Escherichia coli. Infect. Immun. 83:2338-2349.

Ermis E, Hertel C, Schneider C, Carle R, Stintzing F, Schmidt H. 2015. Characterization of in vitro antifungal activities of small and American cranberry (Vaccinium oxycoccos L. and V. macrocarpon Aiton) and lingonberry (Vaccinium vitis-idaea L.) concentrates in sugar reduced fruit spreads. Int. J. Food Microbiol. 204:111-117.

Nüesch-Inderbinen MT, Funk J, Cernela N, Tasara T, Klumpp J, Schmidt H, Stephan R. 2015. Prevalence of subtilase cytotoxin-encoding subAB variants among Shiga toxin-producing Escherichia coli strains isolated from wild ruminants and sheep differs from that of cattle and pigs and is predominated by the new allelic variant subAB2-2. Int. J. Med. Microbiol. 305:124-128.

Wulfkuehler S, Dietz J, Schmidt H, Weiss A, Carle R. 2015. Quality of fresh-cut radicchio cv. Rosso di Chioggia (Cichorium intybus L. var. foliosum Hegi) as affected by water jet cutting and different washing procedures. Eur. Food Res. Technol., 240:159-172.

Suriyarak S, Gibis M, Schmidt H, Villeneuve P, Weiss J. 2014. Antimicrobial mechanism and activity of Dodecyl Rosmarinate against Staphylococcus carnosus LTH1502 as influenced by addition of salt and change in pH. J. Food Prot. 77:444-452.

Wulfkuehler S, Stark S, Dietz J, Schmidt H, Weiss A, Carle R. 2014. Effect of water jet cutting and moderate heat treatment on quality of fresh-cut red oak leaf lettuce (Lactuca sativa L. var. crispa). Food Bioprocess Technol. 7:3478-3492.

Jaglic Z, Desvaux, M, Weiss A, Nesse LL, Meyer RL, Demnerova K, Schmidt H, Giaouris E, Sipailiene A, Teixeira P, Kačániová M, Riedel CU, Knøchel S. 2014. Surface adhesins and exopolymers of selected foodborne pathogens. Microbiology 160:2561-2582.

Muniesa M, Schmidt H. 2014. Shiga toxin-encoding phages: Multifunctional gene ferries, p. 57-77. In Morabito S. (ed.), Pathogenic Escherichia coli: Molecular and Cellular Microbiology, Norfolk, UK.

Zimmermann J, Schmidt H, Loessner MJ, Weiss A. 2014. Development of a rapid detection system for opportunistic pathogenic Cronobacter spp. in powdered milk products. Food Microbiol. 42:19-25.

Zimmermann J, Klumpp J, Weiß A, Loessner MJ, Schmidt H. 2014. Food safety: Fast, Faster, Phage - Schneller Nachweis von Krankheitserregern in Milcherzeugnissen. Labor&More 1.14:36-41.

Nübling S, Eisele T, Stöber H, Funk J, Polzin S, Fischer L, Schmidt H. 2014. Bacteriophage 933W encodes a functional esterase downstream of the Shiga toxin 2a operon. Int. J. Med. Microbiol. 304:269-274.

Kroj A, Hauser E, Schmidt H. 2014. Comparison of net growth of Shiga toxin-producing Escherichia coli strains of serogroups O26, O103, and O157 in ground meat at different temperatures. Eur. Food Res. Technol. 238:163-168.