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Wang Z, Peng X, Hülpüsch C, Khan Mirzaei M, Reiger M, Traidl-Hoffmann C, Deng L, Schloter M. Distinct prophage gene profiles of Staphylococcus aureus strains from atopic dermatitis patients and healthy individuals. Microbiol Spectr 2024; 12:e0091524. [PMID: 39012113 DOI: 10.1128/spectrum.00915-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Accepted: 06/13/2024] [Indexed: 07/17/2024] Open
Abstract
Staphylococcus aureus strains exhibit varying associations with atopic dermatitis (AD), but the genetic determinants underpinning the pathogenicity are yet to be fully characterized. To reveal the genetic differences between S. aureus strains from AD patients and healthy individuals (HE), we developed and employed a random forest classifier to identify potential marker genes responsible for their phenotypic variations. The classifier was able to effectively distinguish strains from AD and HE. We also uncovered strong links between certain marker genes and phage functionalities, with phage holin emerging as the most pivotal differentiating factor. Further examination of S. aureus gene content highlighted the genetic diversity and functional implications of prophages in driving differentiation between strains from AD and HE. The HE group exhibited greater gene content diversity, largely influenced by their prophages. While strains from both AD and HE universally housed prophages, those in the HE group were distinctively higher at the strain level. Moreover, although prophages in the HE group exhibited variously higher enrichment of differential functions, the AD group displayed a notable enrichment of virulence factors within their prophages, underscoring the important contribution of prophages to the pathogenesis of AD-associated strains. Overall, prophages significantly shape the genetic and functional profiles of S. aureus strains, shedding light on their pathogenic potential and elucidating the mechanisms behind the phenotypic variations in AD and HE environments. IMPORTANCE Through a nuanced exploration of Staphylococcus aureus strains obtained from atopic dermatitis (AD) patients and healthy controls (HE), our research unveils pivotal genetic determinants influencing their pathogenic associations. Utilizing a random forest classifier, we illuminate distinct marker genes, with phage holin emerging as a critical differential factor, revealing the profound impact of prophages on genetic and pathogenic profiles. HE strains exhibited a diverse gene content, notably shaped by unique, heightened prophages. Conversely, AD strains emphasized a pronounced enrichment of virulence factors within prophages, signifying their key role in AD pathogenesis. This work crucially highlights prophages as central architects of the genetic and functional attributes of S. aureus strains, providing vital insights into pathogenic mechanisms and phenotypic variations, thereby paving the way for targeted AD therapeutic approaches and management strategies by demystifying specific genetic and pathogenic mechanisms.
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Affiliation(s)
- Zhongjie Wang
- Research Unit for Comparative Microbiome Analysis, Helmholtz Munich, German Research Center for Environmental Health, Neuherberg, Germany
| | - Xue Peng
- Faculty of Biology, Biocenter, Ludwig Maximilian University of Munich, Munich, Germany
- Institute of Virology, Helmholtz Munich, German Research Centre for Environmental Health, Neuherberg, Germany
| | - Claudia Hülpüsch
- Environmental Medicine, Faculty of Medicine, University of Augsburg, Augsburg, Germany
- Insitute of Environmental Medicine, Helmholtz Munich, German Research Center for Environmental Health, Neuherberg, Germany
- Christine Kühne Center for Allergy Research and Education, Davos, Switzerland
| | - Mohammadali Khan Mirzaei
- Institute of Virology, Helmholtz Munich, German Research Centre for Environmental Health, Neuherberg, Germany
- Chair of Prevention of Microbial Infectious Diseases, Central Institute of Disease Prevention and School of Life Sciences, Technical University of Munich, Freising, Germany
| | - Matthias Reiger
- Environmental Medicine, Faculty of Medicine, University of Augsburg, Augsburg, Germany
- Insitute of Environmental Medicine, Helmholtz Munich, German Research Center for Environmental Health, Neuherberg, Germany
| | - Claudia Traidl-Hoffmann
- Environmental Medicine, Faculty of Medicine, University of Augsburg, Augsburg, Germany
- Insitute of Environmental Medicine, Helmholtz Munich, German Research Center for Environmental Health, Neuherberg, Germany
- Christine Kühne Center for Allergy Research and Education, Davos, Switzerland
| | - Li Deng
- Institute of Virology, Helmholtz Munich, German Research Centre for Environmental Health, Neuherberg, Germany
- Chair of Prevention of Microbial Infectious Diseases, Central Institute of Disease Prevention and School of Life Sciences, Technical University of Munich, Freising, Germany
| | - Michael Schloter
- Research Unit for Comparative Microbiome Analysis, Helmholtz Munich, German Research Center for Environmental Health, Neuherberg, Germany
- Chair of Environmental Microbiology, TUM School of Life Sciences Weihenstephan, Technical University of Munich, Freising, Germany
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Barber MF, Fitzgerald JR. Mechanisms of host adaptation by bacterial pathogens. FEMS Microbiol Rev 2024; 48:fuae019. [PMID: 39003250 PMCID: PMC11308195 DOI: 10.1093/femsre/fuae019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 07/02/2024] [Accepted: 07/24/2024] [Indexed: 07/15/2024] Open
Abstract
The emergence of new infectious diseases poses a major threat to humans, animals, and broader ecosystems. Defining factors that govern the ability of pathogens to adapt to new host species is therefore a crucial research imperative. Pathogenic bacteria are of particular concern, given dwindling treatment options amid the continued expansion of antimicrobial resistance. In this review, we summarize recent advancements in the understanding of bacterial host species adaptation, with an emphasis on pathogens of humans and related mammals. We focus particularly on molecular mechanisms underlying key steps of bacterial host adaptation including colonization, nutrient acquisition, and immune evasion, as well as suggest key areas for future investigation. By developing a greater understanding of the mechanisms of host adaptation in pathogenic bacteria, we may uncover new strategies to target these microbes for the treatment and prevention of infectious diseases in humans, animals, and the broader environment.
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Affiliation(s)
- Matthew F Barber
- Institute of Ecology and Evolution, University of Oregon, Eugene, OR 97403, United States
- Department of Biology, University of Oregon, Eugene, OR 97403, United States
| | - J Ross Fitzgerald
- The Roslin Institute, University of Edinburgh, Midlothian, EH25 9RG, United Kingdom
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Yamaguchi T, Furuno K, Komori K, Abe T, Sato T, Ogihara S, Aoki K, Ishii Y, Tateda K. Evolutionary dynamics of the novel ST22-PT methicillin-resistant Staphylococcus aureus clone co-harbouring Panton-Valentine leucocidin and duplicated toxic shock syndrome toxin 1 genes. Clin Microbiol Infect 2024; 30:779-786. [PMID: 38408643 DOI: 10.1016/j.cmi.2024.02.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 02/20/2024] [Accepted: 02/21/2024] [Indexed: 02/28/2024]
Abstract
OBJECTIVES Globally, the isolation of community-associated methicillin-resistant Staphylococcus aureus (MRSA) harbouring both the Panton-Valentine leucocidin (PVL) and toxic shock syndrome toxin 1 (TSST-1) genes is rare. However, we encountered an outbreak of the ST22-PT clone exhibiting this phenotype in Japan. Notably, the TSST-1 gene was duplicated in most of the strains. This study aimed to elucidate the mechanisms underlying this gene duplication. METHODS A total of 90 MRSA isolates were collected from the skin of outpatients in Fukuoka City, Japan, between 2017 and 2019. Whole-genome sequencing was performed on MRSA strains that were PVL and TSST-1 positive. RESULTS A total of 43 (47.8%) strains produced TSST-1, 20 (22.2%) produced PVL, and 16 (17.8%) produced both. Fifteen isolates were classified as ST22/SCCmec type IVa (ST22-PT clone) and one as ST1/SCCmec type V (ST1-PT clone). Three distinct ST22-PT clones were identified: Fukuoka clone I (one PVL gene and one TSST-1 gene), Fukuoka clone II (addition of a TSST-1 gene to Fukuoka clone I), and Fukuoka clone III (marked by a chromosomal inversion in a large region from Fukuoka clone II). DISCUSSION Fukuoka clone I may have integrated a novel pathogenicity island bearing the TSST-1 gene, leading to the emergence of Fukuoka clone II with a duplicated TSST-1 gene. This duplication subsequently instigated a chromosomal inversion in a large region owing to the homologous sequence surrounding TSST-1, giving rise to Fukuoka clone III. These findings provide crucial insights into the genetic evolution of MRSA.
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Affiliation(s)
- Tetsuo Yamaguchi
- Department of Microbiology and Infectious Diseases, Toho University School of Medicine, Tokyo, Japan.
| | - Kenji Furuno
- Department of General Pediatrics & Emergency Medicine, Fukuoka Children's Hospital, Fukuoka, Japan
| | - Kohji Komori
- Department of Microbiology and Infectious Diseases, Toho University School of Medicine, Tokyo, Japan
| | - Tomoko Abe
- Department of Clinical Laboratory, Fukuoka Children's Hospital, Fukuoka, Japan
| | - Takahiro Sato
- Department of Microbiology and Infectious Diseases, Toho University School of Medicine, Tokyo, Japan; Department of General Medicine and Emergency Care, Toho University Omori Medical Center, Tokyo, Japan
| | - Shinji Ogihara
- Department of Microbiology and Infectious Diseases, Toho University School of Medicine, Tokyo, Japan
| | - Kotaro Aoki
- Department of Microbiology and Infectious Diseases, Toho University School of Medicine, Tokyo, Japan
| | - Yoshikazu Ishii
- Department of Microbiology and Infectious Diseases, Toho University School of Medicine, Tokyo, Japan
| | - Kazuhiro Tateda
- Department of Microbiology and Infectious Diseases, Toho University School of Medicine, Tokyo, Japan
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Alsaadi SE, Lu H, Zhang M, Dykes GF, Allison HE, Horsburgh MJ. Bacteriophages from human skin infecting coagulase-negative Staphylococcus: diversity, novelty and host resistance. Sci Rep 2024; 14:8245. [PMID: 38589670 PMCID: PMC11001980 DOI: 10.1038/s41598-024-59065-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 04/06/2024] [Indexed: 04/10/2024] Open
Abstract
The human skin microbiome comprises diverse populations that differ temporally between body sites and individuals. The virome is a less studied component of the skin microbiome and the study of bacteriophages is required to increase knowledge of the modulation and stability of bacterial communities. Staphylococcus species are among the most abundant colonisers of skin and are associated with both health and disease yet the bacteriophages infecting the most abundant species on skin are less well studied. Here, we report the isolation and genome sequencing of 40 bacteriophages from human skin swabs that infect coagulase-negative Staphylococcus (CoNS) species, which extends our knowledge of phage diversity. Six genetic clusters of phages were identified with two clusters representing novel phages, one of which we characterise and name Alsa phage. We identified that Alsa phages have a greater ability to infect the species S. hominis that was otherwise infected less than other CoNS species by the isolated phages, indicating an undescribed barrier to phage infection that could be in part due to numerous restriction-modification systems. The extended diversity of Staphylococcus phages here enables further research to define their contribution to skin microbiome research and the mechanisms that limit phage infection.
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Affiliation(s)
- Samah E Alsaadi
- Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK
| | - Hanshuo Lu
- Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK
| | - Minxing Zhang
- Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK
| | - Gregory F Dykes
- Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK
| | - Heather E Allison
- Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK
| | - Malcolm J Horsburgh
- Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK.
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Hossain M, Aslan B, Hatoum-Aslan A. Tandem mobilization of anti-phage defenses alongside SCC mec cassettes. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.17.533233. [PMID: 36993521 PMCID: PMC10055296 DOI: 10.1101/2023.03.17.533233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Bacterial viruses (phages) and the immune systems targeted against them significantly impact bacterial survival, evolution, and the emergence of pathogenic strains. While recent research has made spectacular strides towards discovering and validating new defenses in a few model organisms1-3, the inventory of immune systems in clinically-relevant bacteria remains underexplored, and little is known about the mechanisms by which these systems horizontally spread. Such pathways not only impact the evolutionary trajectory of bacterial pathogens, but also threaten to undermine the effectiveness of phage-based therapeutics. Here, we investigate the battery of defenses in staphylococci, opportunistic pathogens that constitute leading causes of antibiotic-resistant infections. We show that these organisms harbor a variety of anti-phage defenses encoded within/near the infamous SCC (staphylococcal cassette chromosome) mec cassettes, mobile genomic islands that confer methicillin resistance. Importantly, we demonstrate that SCCmec-encoded recombinases mobilize not only SCCmec, but also tandem cassettes enriched with diverse defenses. Further, we show that phage infection potentiates cassette mobilization. Taken together, our findings reveal that beyond spreading antibiotic resistance, SCCmec cassettes play a central role in disseminating anti-phage defenses. This work underscores the urgent need for developing adjunctive treatments that target this pathway to save the burgeoning phage therapeutics from suffering the same fate as conventional antibiotics.
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Affiliation(s)
- Motaher Hossain
- University of Illinois at Urbana-Champaign, Department of Microbiology, Urbana, IL, USA
| | - Barbaros Aslan
- University of Illinois at Urbana-Champaign, Department of Microbiology, Urbana, IL, USA
| | - Asma Hatoum-Aslan
- University of Illinois at Urbana-Champaign, Department of Microbiology, Urbana, IL, USA
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Hawkins NC, Kizziah JL, Hatoum-Aslan A, Dokland T. Structure and host specificity of Staphylococcus epidermidis bacteriophage Andhra. SCIENCE ADVANCES 2022; 8:eade0459. [PMID: 36449623 PMCID: PMC9710869 DOI: 10.1126/sciadv.ade0459] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 10/14/2022] [Indexed: 05/28/2023]
Abstract
Staphylococcus epidermidis is an opportunistic pathogen of the human skin, often associated with infections of implanted medical devices. Staphylococcal picoviruses are a group of strictly lytic, short-tailed bacteriophages with compact genomes that are attractive candidates for therapeutic use. Here, we report the structure of the complete virion of S. epidermidis-infecting phage Andhra, determined using high-resolution cryo-electron microscopy, allowing atomic modeling of 11 capsid and tail proteins. The capsid is a T = 4 icosahedron containing a unique stabilizing capsid lining protein. The tail includes 12 trimers of a unique receptor binding protein (RBP), a lytic protein that also serves to anchor the RBPs to the tail stem, and a hexameric tail knob that acts as a gatekeeper for DNA ejection. Using structure prediction with AlphaFold, we identified the two proteins that comprise the tail tip heterooctamer. Our findings elucidate critical features for virion assembly, host recognition, and penetration.
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Affiliation(s)
- N’Toia C. Hawkins
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - James L. Kizziah
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Asma Hatoum-Aslan
- Department of Microbiology, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA
| | - Terje Dokland
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
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Characteristics of a novel temperate bacteriophage against Staphylococcus arlettae (vB_SarS_BM31). Int Microbiol 2022; 26:327-341. [PMID: 36336729 PMCID: PMC9638216 DOI: 10.1007/s10123-022-00292-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 10/25/2022] [Accepted: 10/27/2022] [Indexed: 11/09/2022]
Abstract
BACKGROUND Staphylococcus arlettae is a rarely reported coagulase-negative staphylococcus (CoNS) isolated from infected humans and livestock. Observing phage-bacteria interaction could improve the understanding of bacterial pathogenetic mechanisms, providing foundational evidence for phage therapy or phage detection. Herein, we aimed to characterise and annotate a novel bacteriophage, vB_SarS_BM31 (BM31), specific to S. arlettae. This bacteriophage was isolated from a milk sample associated with bovine mastitis and collected in the Sichuan Province, China. RESULTS The BM31 genome comprised a linear double-stranded DNA of 42,271 base pair in length with a G + C content of 34.59%. A total of 65 open reading frames (ORFs) were assembled from phage DNA, of which 29 were functionally annotated. These functional genes were divided into four modules: the structural, DNA packing and replication, lysis, and lysogeny modules. Holin (ORF25), lysin (ORF26), and integrase (ORF28) were located closely in the entire BM31 genome and were important for lyse or lysogeny cycle of BM31. The phage was identified as a temperate phage according to whole genome analysis and life cycle assay, with basic biological characteristics such as small burst size, short latency period, and narrow host range, consistent with the characteristics of the family Siphoviridae, subcluster B14 of the Staphylococcus bacteriophage. CONCLUSIONS The present isolation and characterisation of BM31 contributes to the Staphylococcus bacteriophage database and provides a theoretical foundation for its potential applications. To the best of our knowledge, BM31 is the only shared and completely reported phage against S. arlettae in the entire public database.
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Genomic Characterization and Antimicrobial Susceptibility of Dromedary-Associated Staphylococcaceae from the Horn of Africa. Appl Environ Microbiol 2022; 88:e0114622. [PMID: 36226992 DOI: 10.1128/aem.01146-22] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Members of the Staphylococcaceae family, particularly those of the genus Staphylococcus, encompass important human and animal pathogens. We collected and characterized Staphylococcaceae strains from apparently healthy and diseased camels (n = 84) and cattle (n = 7) in Somalia and Kenya. We phenotypically characterized the strains, including their antimicrobial inhibitory concentrations. Then, we sequenced their genomes using long-read sequencing, closed their genomes, and subsequently compared and mapped their virulence- and resistance-associated gene pools. Genome-based phylogenetics revealed 13 known Staphylococcaceae and at least two novel species. East African strains of different species encompassed novel sequence types and phylogenetically distant clades. About one-third of the strains had non-wild-type MICs. They were resistant to at least one of the following antimicrobials: tetracycline, benzylpenicillin, oxacillin, erythromycin, clindamycin, trimethoprim, gentamicin, or streptomycin, encoded by tet(K), blaZ/blaARL, mecA/mecA1, msrA/mphC, salA, dfrG, aacA-aphD, and str, respectively. We identified the first methicillin- and multidrug-resistant camel S. epidermidis strain of sequence type (ST) 1136 in East Africa. The pool of virulence-encoding genes was largest in the S. aureus strains, as expected, although other rather commensal strains contained distinct virulence-encoding genes. We identified toxin-antitoxin (TA) systems such as the hicA/hicB and abiEii/abiEi families, reported here for the first time for certain species of Staphylococcaceae. All strains contained at least one intact prophage sequence, mainly belonging to the Siphoviridae family. We pinpointed potential horizontal gene transfers between camel and cattle strains and also across distinct Staphylococcaceae clades and species. IMPORTANCE Camels are a high value and crucial livestock species in arid and semiarid regions of Africa and gain importance giving the impact of climate change on traditional livestock species. Our current knowledge with respect to Staphylococcaceae infecting camels is very limited compared to that for other livestock species. Better knowledge will foster the development of specific diagnostic assays, guide promising antimicrobial treatment options, and inform about potential zoonotic risks. We characterized 84 Staphylococcaceae strains isolated from camels with respect to their antimicrobial resistance and virulence traits. We detected potentially novel Staphylococcus species, resistances to different classes of antimicrobials, and the first camel multidrug-resistant S. epidermidis strain of sequence type 1136.
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Tian F, Li J, Li L, Li F, Tong Y. Molecular dissection of the first Staphylococcus cohnii temperate phage IME1354_01. Virus Res 2022; 318:198812. [DOI: 10.1016/j.virusres.2022.198812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 05/06/2022] [Accepted: 05/12/2022] [Indexed: 10/18/2022]
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10
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Göller PC, Elsener T, Lorgé D, Radulovic N, Bernardi V, Naumann A, Amri N, Khatchatourova E, Coutinho FH, Loessner MJ, Gómez-Sanz E. Multi-species host range of staphylococcal phages isolated from wastewater. Nat Commun 2021; 12:6965. [PMID: 34845206 PMCID: PMC8629997 DOI: 10.1038/s41467-021-27037-6] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 10/21/2021] [Indexed: 12/19/2022] Open
Abstract
The host range of bacteriophages defines their impact on bacterial communities and genome diversity. Here, we characterize 94 novel staphylococcal phages from wastewater and establish their host range on a diversified panel of 117 staphylococci from 29 species. Using this high-resolution phage-bacteria interaction matrix, we unveil a multi-species host range as a dominant trait of the isolated staphylococcal phages. Phage genome sequencing shows this pattern to prevail irrespective of taxonomy. Network analysis between phage-infected bacteria reveals that hosts from multiple species, ecosystems, and drug-resistance phenotypes share numerous phages. Lastly, we show that phages throughout this network can package foreign genetic material enclosing an antibiotic resistance marker at various frequencies. Our findings indicate a weak host specialism of the tested phages, and therefore their potential to promote horizontal gene transfer in this environment.
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Affiliation(s)
- Pauline C. Göller
- grid.5801.c0000 0001 2156 2780Institute of Food, Nutrition and Health, ETH Zurich, 8092 Zurich, Switzerland
| | - Tabea Elsener
- grid.5801.c0000 0001 2156 2780Institute of Food, Nutrition and Health, ETH Zurich, 8092 Zurich, Switzerland
| | - Dominic Lorgé
- grid.5801.c0000 0001 2156 2780Institute of Food, Nutrition and Health, ETH Zurich, 8092 Zurich, Switzerland
| | - Natasa Radulovic
- grid.5801.c0000 0001 2156 2780Institute of Food, Nutrition and Health, ETH Zurich, 8092 Zurich, Switzerland
| | - Viona Bernardi
- grid.5801.c0000 0001 2156 2780Institute of Food, Nutrition and Health, ETH Zurich, 8092 Zurich, Switzerland
| | - Annika Naumann
- grid.5801.c0000 0001 2156 2780Institute of Food, Nutrition and Health, ETH Zurich, 8092 Zurich, Switzerland
| | - Nesrine Amri
- grid.5801.c0000 0001 2156 2780Institute of Food, Nutrition and Health, ETH Zurich, 8092 Zurich, Switzerland
| | - Ekaterina Khatchatourova
- grid.5801.c0000 0001 2156 2780Institute of Food, Nutrition and Health, ETH Zurich, 8092 Zurich, Switzerland
| | - Felipe Hernandes Coutinho
- grid.26811.3c0000 0001 0586 4893Departamento de Producción Vegetal y Microbiología, Universidad Miguel Hernández, San Juan de Alicante, Spain
| | - Martin J. Loessner
- grid.5801.c0000 0001 2156 2780Institute of Food, Nutrition and Health, ETH Zurich, 8092 Zurich, Switzerland
| | - Elena Gómez-Sanz
- Institute of Food, Nutrition and Health, ETH Zurich, 8092, Zurich, Switzerland. .,Área de Microbiología Molecular, Centro de Investigación Biomédica de La Rioja (CIBIR), Logroño, Spain.
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