Our publications at a glance

• 2022

  • Prevalence and Antibiotic Resistance in Campylobacter spp. isolated from humans and food-producing animals in West Africa: a systemic review and meta-analysis.

    • Paintsil EK, Ofori L, Adobea S, Wiafe Akenten C, Phillips RO, Maiga-Ascofare O, Lamshöft M, May J, Obiri Danso K, Krumkamp R, Dekker D.
    • Pathogens 2022 24;11(2):140.10.3390/11020140
    • 2022-11-24

  • Epidemiology of Plasmids in Escherichia coli and Klebsiella pneumoniae with acquired Extended Spectrum Beta-Lactamase Genes isolated from chronic wounds in Ghana.

    • Frederik Pankok, Stefan Taudien, Denise Dekker, Thorsten Thye, Kwabena Oppong, Charity Wiafe Akenten, Maike Lamshöft, Anna Jaeger, Martin Kaase, Simone Scheithauer, Konstantin Tanida, Frickmann Hagen, May Jürgen, Ulrike Loderstädt
    • Antibiotics 2022.11,689. Doi10.3390
    • 2022-06-01

• 2021

  • Clonal Clusters, Molecular Resistance Mechanisms and Virulence Factors of Gram-Negative Bacteria Isolated from Chronic Wounds in Ghana.

    • Dekker D, Pankok F, Thye T, Taudien S, Oppong K, Wiafe Akenten C, Lamshöft M, Jaeger A, Kaase M, Scheithauer S, Tanida K, Frickmann H, May J, Loderstädt U. Clonal
    • Antibiotics 2021, 10, 339. https://doi.org/10.3390/ antibiotics10030339
    • 2021-10-01

  • Antimicrobial usage in commercial and domestic poultry farming in two communities in the Ashanti Region of Ghana.

    • Paintsil EK, Ofori LA, Wiafe Akenten C, Fosu D, Ofori S, Lamshöft M, May J, Obiri Danso K, Krumkamp K*, Dekker D*(equally contributed).
    • MDPI Antibiotics 2021, 10,800. Doi10.3390
    • 2021-10-01

  • Clonal Clusters, Molecular Resistance Mechanisms and Virulence Factors of Gram-Negative Bacteria Isolated from Chronic Wounds in Ghana.

    • Dekker D, Pankok F, Thye T, Taudien S, Oppong K, Wiafe Akenten C, Lamshöft M, Jaeger A, Kaase M, Scheithauer S, Tanida K, Frickmann H, May J, Loderstädt U
    • Antibiotics 2021, 10, 339. https://doi.org/10.3390/ antibiotics10030339
    • 2021-10-01

  • Study of enteric pathogens among children in the tropics and effects of prolonged storage of stool samples.

    • Schotte U, Hoffmann T, Schwarz NG, Rojak S, Lusingu J, Minja D, Kaseka J, Mbwana J, Gesase S, May J, Dekker D*, Frickmann H* (equally contributed).
    • Lett. Appl. Microbiol. 2021 doi:10.1111/Lam.13457
    • 2021-10-01

  • Classification of Salmonella enterica of the (Para) Typhoid fever Group by Fourier-Transform Infrared (FTIR) Spectroscopy.

    • Cordova M, Mauder N, Kostrzewa M, Will A, Rojak S, Hagen RM, Ambretti S, Pongolini S, Soliani L, Justesen US, Holt HM, Join-Lambert O, Le Hello S, Auzou M, Veloo AC, May J, Frickmann H, Dekker D. Classification
    • Microorganisms 2021 15;9(4):853. Doi:10.3390
    • 2021-09-15

• 2020

  • The genomic epidemiology of multi-drug resistant nontyphoidal Salmonella causing invasive disease in sub-Saharan Africa.

    • Park SE, Pham DT, Pal GD, Panzner U, et. Al.
    • Doi 10.1101/2020.12.11.422246
    • 2020-12-11

  • Molecular Characterization of Staphylococcus aureus isolated from chronic wounds in rural Ghana.

    • Wolters M, Frickmann H, Christner M, Both A, Rohde H, Oppong K, Wiafe Akenten C, May j, Dekker D.
    • MDPI 2020, 8,2052;doi:10.3390/microorganisms8122052
    • 2020-08-01

  • Regional Variation of Extended-Spectrum Beta-Lactamase (ESBL)-Producing Enterobacterales, Fluoroquinolone-Resistant Salmonella enterica and Methicillin-Resistant Staphylococcus aureus Among Febrile Patients in Sub-Saharan Africa.

    • Moirongo RM, Lorenz E, Ntinginya NE, Dekker D et al
    • Front Microbiol 2020;11:567235; doi:10.3389
    • 2020-01-02

  • Spectrum of antibiotic resistant bacteria and fungi isolated from chronically infected wounds in a rural district hospital in Ghana.

    • Krumkamp R, Oppong K, Hogan B, Strauss R, Frickmann H, Wiafe Akenten C, Boahen K, Rickerts V, McCormick Smith I, Groß U, Schulze M, Jaeger A, Loderstädt U, Sarpong N, Owusu-Dabo E, May J, Dekker D.
    • PlosOne 2020.doi.org/10.1371/journal.pone.0237263. PubMed PMID: 32764812; PubMed Central PMCID: PMC7413558
    • 2020-01-01

• 2019

  • Multicountry Distribution and Characterization of Extended-spectrum beta-lactamase-associated Gram-negative bacteria from Bloodstream Infections in Sub-Saharan Africa.

    • Toy T, Pak GD, Duc TP, Campbell JI, El Tayeb MA, Von Kalckreuth V, Im J, Panzner U, Cruz Espinoza LM, Eibach D, Dekker DM, Park SE, Jeon HJ, Konings F, Mogeni OD, Cosmas L, Bjerregaard-Andersen M, Gasmelseed N, Hertz JT, Jaeger A, Krumkamp R, Ley B, Thriemer K, Kabore LP, Niang A, Raminosoa TM, Sampo E, Sarpong N, Soura A, Owusu-Dabo E, Teferi M, Yeshitela B, Poppert S, May J, Kim JH, Chon Y, Park JK, Aseffa A, Breiman RF, Schütt-Gerowitt H, Aaby P, Adu-Sarkodie Y, Crump JA, Rakotozandrindrainy R, Meyer CG, Sow AG, Clemens JD, Wierzba TF, Baker S, Marks F.
    • Clin Infect Dis. 2019 Oct 30;69(Suppl 6):S449-S458.doi:10.1093/cid/ciz450. PubMed PMID: 31665776; PubMed Central PMCID: PMC6821266
    • 2019-10-30

  • Emergence of phylogenetically diverse and fluoroquinolone resistant Salmonella Enteritidis as a cause of invasive nontyphoidal Salmonella disease in Ghana.

    • Aldrich C, Hartmann HFeasey N, Chattaway MA, Dekker D, Al-Emran H, Larkin L, McCormick j, Sarpong N, Le Hello S, Adu-Sarkodie Y, Panzner U, Park S E, Im J, Marks F, May J, Dallman TJ, Eibach D.
    • PLoS Negl Trop Dis 2019 Jun 20;13(6):e0007485.doi10.1371/journal.pntd.0007485. PubMed PMID: 31220112; PubMed Central PMCID: PMC6605661
    • 2019-06-19

  • Fluoroquinolone-resistant Salmonella enterica, Campylobacter and Arcobacter butzleri from local and imported poultry meat in Kumasi, Ghana.

    • Dekker D, Eibach D, Boahen KG, Akenten CW, Pfeifer Y, Zautner AE, Mertens E, Krumkamp R, Jaeger A, Flieger A, Owusu-Dabo E, May J.
    • Foodborne Pathog Dis. 2019 May;16(5):352-358.doi10.1089/fpd.2018.2562. PubMed PMID: 30907631; PubMed Central PMCID: PMC6529854
    • 2019-05-16

  • Epidemiology and antimicrobial susceptibility of Salmonella enterica bloodstream isolates among febrile children in a rural district northeastern Tanzania: a cross-sectional study.

    • Msemo OA, Mbwana J, Mahende C, Malabeja A, Gesase S, Crump JA, Dekker D, Lusingu JPA
    • Clin Infect Dis. 2019 Mar 7;68(Supplement2):S177-S182.doi:10.1093/cid/ciy1126. PubMed PMID: 30845323; PubMed Central: PMCID:
    • 2019-03-07

• 2018

  • Loop-mediated isothermal amplification-based detection of typhoid fever on an automated Genie II Mk2 system – a case-control-based approach.

    • Frickmann H, Wiemer DF, Wassill L, Hinz R, Rojak S, Wille A, Loderstädt U, Schwarz NG, von Kalckreuth V, Im J, Jeon HJ, Marks F, Owusu-Dabo E, Sarpong, May J, Eibach E, Dekker D.
    • Acta Trop. 2018 Dec 5;190:293-295.doi10.1016/j.actatropica. 2018.12.004. PubMed PMID: 30528158
    • 2018-12-05

  • The Phylogeography and incidence of multi-drug resistant typhoid fever in sub-Saharan Africa.

    • Park SE, Pham DT, Boinett C, Wong VK, Pak1 GD, Panzner U, Cruz Espinoza LM, von Kalckreuth V, Im J, Schütt-Gerowitt H, Crump JA, Breiman RF, Adu-Sarkodie Y, Owusu-Dabo E, Rakotozandrindrainy R, Soura AB, Aseffa A, Gasmelseed N, Keddy KH, May J, Sow AG, Aaby P, Biggs HM, Hertz JT, Montgomery JM, Cosmas L, Olack B, Fields B, Sarpong N, Razafindrabe TSJ, ´Raminosoa TM, Kabore LP, Sampo E, Teferi M, Yeshitela B, Muna Ahmed El Tayeb18, Arvinda Sooka20, Christian G. Meyer, Krumkamp R, Dekker DM et al.
    • Nat Commun, 2018 Nov 30;9(1):5094.doi:10.1038/s41467-018-07370-z. PubMed PMID: 30504848; PubMed Central PMCID: PMC6269545
    • 2018-11-30

  • Fever Without Source (FWS) Study Group. Malaria Coinfections in Febrile Pediatric Inpatients: A Hospital-Based Study from Ghana.

    • Hogan B, Eibach D, Krumkamp R, Sarpong N, Dekker D, Kreuels B, Maiga-Ascofaré O, Gyau Boahen K, Wiafe Akenten C, Adu-Sarkodie Y, Owusu-Dabo E, May J
    • Clin Infect Dis. 2018; 66(12):1838-1845.doi10.1093/cid/cix1120. PubMed PMID: 29408951; PubMed Central PMCID: PMC5982794
    • 2018-06-06

  • Extended-spectrum beta-lactamase-producing Escherichia coli and Klebsiella pneumoniae in local and imported poultry meat in Ghana.

    • Eibach D, Dekker D. Boahen KG, Wiafe Akenten C, Sarpong N, Belmar Campos C, Berneking L, Aepfelbacher M, Krumkamp R, Owusu-Dabo E, May J
    • Vet Microbiol. 2018 Ap; 217:7-12.doi:10.1016/j. vetmic.2018.02.023. PubMed PMID: 29615260
    • 2018-04-02

  • Malaria co-infections in febrile paediatric inpatients: a hospital-based study from Ghana.

    • Hogan B, Eibach D, Krumkamp R, Sarpong N, Dekker D Kreuels B, Maiga-Ascofare, Boahen Kg, WiafeAkenten C, Adu-Arkodie, Owusu-Dabo E, May J.
    • Clin Infect Dis. 2018 Feb 2. doi: 10.1093/cid/cix1120.2018. PubMed PMID: 29408951; PubMed Central PMCID: PMC5982794
    • 2018-02-02

  • Characterization of Salmonella enterica from invasive bloodstream infections and water sources in rural Ghana

    • Dekker D, Krumkamp R, Eibach D, Sarpong N, Boahen KG, Frimpong M, Fechtner E, Poppert E, Hagen RM, Schwarz NG, Adu Sarkodie Y, Owusu-Dabo E, Im J, Marks F, Frickmann H, May J
    • BMC Infect Dis. 2018 Jan 19;18(1):47.doi: 10.1186/s12879-018-2957-4. PubMed PMID: 29351771; PubMed Central PMCID: PMC5775569
    • 2018-01-19

• 2017

  • Nasal carriage of Staphylococcus aureus among children in the Ashanti region of Ghana.

    • Eibach D, Nagel M, Hogan B, Azuure C, Krumkamp R, Dekker D, Jajdiss M, Brunke M, Sarpong N, Owusu-Dabo E, May J.
    • PLoS ONE 2017 12(1): e0170320.doi:10.1371/journal.pone.0170320. PubMed PMID: 28107412; PubMed Central PMCID: PMC5249101
    • 2017-06-01

  • Incidence of invasive Salmonella disease in sub-Saharan Africa: a multicentre population-based surveillance study.

    • Marks F, von Kalckreuth V, Aaby P, Adu-Sarkodie Y, El Tayeb MA, Ali M, Aseffa A, Baker S, Biggs HM, Bjerregaard-Andersen M, Breiman RF, Campbell JI, Cosmas L, Crump JA, Espinoza LM, Deerin JF, Dekker DM et al.
    • Lancet Glob Health. 2017 Mar;5(3):e310-e323.doi: 10.1016/S2214-109X(17)30022-0. PubMed PMID: 28193398; PubMed Central PMCID: PMC5316558
    • 2017-03-05

• 2016

  • Extended spectrum beta-lactamases producing Enterobacteriaceae causing bloodstream infections in rural Ghana, 2007-2012.

    • Eibach D, Campos CB, Krumkamp R, Al-Emran H, Dekker D, Boahen KG, Kreuels B, Adu-Sarkodie Y, Aepfelbacher M, P SE, Panzner U, Marks F, may J.
    • Int J Med Microbiol. 2016 Jun;306(4):249-54.doi: 10.1016/j.ijmm.2016.05.006. PubMed PMID: 27222489
    • 2016-06-01

  • Antibiotic resistance and clonal diversity of invasive Staphylococcus aureus in the rural Ashanti Region, Ghana.

    • Dekker D, Wolters M, Mertens E, Boahen KG, Krumkamp R, Eibach E, Schwarz GN, Adu-Sarkodie Y, Rohde H, Christner M, Marks F, Sarpong N, May J.
    • BMC Infect Dis 2016 16:7 20.doi 10,1186/s 12879-016-2048-3. PubMed PMID: 27899074; PubMed Central PMCID: PMC5129674
    • 2016-06-01

  • Validation and Identification of Invasive Salmonella Serotypes in Sub-Saharan Africa by Multiplex Polymerase Chain Reaction.

    • Al-Emran HM, Krumkamp R, Dekker DM et al.
    • Clin Infect Dis. 2016 Mar 15;62 Suppl 1:S80-2.doi:10.1093/cid/Civ782. PubMed PMID: 26933026
    • 2016-03-15

  • Detection of a Novel gyrB Mutation Associated With Fluoroquinolone-Nonsusceptible Salmonella enterica serovar Typhimurium Isolated From a Bloodstream Infection in Ghana.

    • Al-Emran HM, Heisig A, Dekker D, Adu-Sarkodie YA, Cruz Espinoza LM, Panzner U, von Kalckreuth V, Marks F, Park SE, Sarpong N, May J, Heisig P.
    • Clin Infect Dis. 2016 Mar 15;62 Suppl 1:S47-9.doi:10.1093/cid/civ790 PubMed PMID: 26933021
    • 2016-03-15

  • A Multicountry Molecular Analysis of Salmonella enterica Serovar Typhi With Reduced Susceptibility to Ciprofloxacin in Sub-Saharan Africa.

    • Al-Emran HM, Eibach D, Krumkamp R, Ali M, Baker S, Biggs HM, Bjerregaard-Andersen M, Breiman RF, Clemens JD, Crump JA, Cruz Espinoza LM, Deerin J, Dekker DM et al
    • Clin Infect Dis. 2016 Mar 15;62 Suppl 1:S42-6.doi:10.1093/cid/cif788 PubMed PMID: 26933020; PubMed Central PMCID: PMC4772832
    • 2016-03-15

  • The Emergence of Reduced Ciprofloxacin Susceptibility in Salmonella enterica causing bloodstream Infections in Rural Ghana.

    • Eibach D, Al-Emran HM, Dekker DM, Krumkamp R, Adu-Sarkodie Y, Cruz Espinoza LM, Ehmen C, Boahen K, Heisig P, Im J, Jaeger A, von Kalckreuth V, Pak GD, Panzner U, Park SE, Reinhardt A, Sarpong N, Schütt-Gerowitt H, Wierzba TF, Marks F, May J.
    • Clin Infect Dis. 2016 Mar 15;62 Suppl 1:S32-6.doi10.1093/cid/civ757. PubMed PMID: 26933017.
    • 2016-03-15

  • Variations of Invasive Salmonella Infections by Population Size in Asante Akim Municipal, Ghana.

    • Cruz Espinoza LM, Nichols C, Adu-Sarkodie Y, Al-Emran HM, Baker S, Clemens JD, Dekker DM, Eibach D, Krumkamp R, Boahen K, Im J, Jaeger A, von Kalckreuth V, Pak GD, Panzner U, Park SE, Park JK, Sarpong N, Schütt-Gerowitt H, Toy T, Wierzba TF, Marks F, May J.
    • Clin Infect Dis. 2016 Mar 15;62 Suppl 1:S17-22.doi10.1093/cid/civ787. PubMed PMID: 26933015
    • 2016-03-15

• 2015

  • 16S rRNA Gene Sequence-Based Identification of Bacteria in Automatically Incubated Blood Culture Materials from Tropical Sub-Saharan Africa

    • Frickmann H*, Dekker D, Schwarz GN, Hahn A, Boahen K, Sarpong N, Adu-Sarkodie Y, Halbgewachs E, Marks F, von Kalckreuth V, Poppert S, Loderstaedt U, May J, Hagen RM.
    • PLoS ONE. 2015 Aug 13;10(8):e0135923.doi:10.1371/joirnal.pone.0135923 PubMed PMID: 26270631; PubMed Central PMCID: PMC4535881 [*contributed equally]
    • 2015-08-15

  • Drinking water from dug wells in rural Ghana--Salmonella contamination, environmental factors, and genotypes.

    • Dekker DM, Krumkamp R, SarpongN, Frickmann H, Boahen Kg, Frimpong M, Asare R, Larbi R, Hagen RM, Poppert S, Rabsch W, Marks F, Adu-Sarkodie Y, May J.
    • Int J Environ Res Public Health. 2015 Mar 27;12(4):3535-46.doi:10.3390/ijerph120403535. PubMed PMID: 25826395; PubMed Central PMCID: PMC4410201
    • 2015-03-27