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Fatahi-Bafghi M. Genomic and phylogenomic analysis of Fusobacteriaceae family and proposal to reclassify Fusobacterium naviforme Jungano 1909 into a novel genus as Zandiella naviformis gen. nov., comb. nov. and reclassification of Fusobacterium necrophorum subsp. funduliforme as later heterotypic synonym of Fusobacterium necrophorum subsp. necrophorum and Fusobacterium equinum as later heterotypic synonym of Fusobacterium gonidiaformans. Antonie Van Leeuwenhoek 2024; 117:34. [PMID: 38347234 DOI: 10.1007/s10482-023-01921-1] [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: 06/18/2023] [Accepted: 12/14/2023] [Indexed: 02/15/2024]
Abstract
The family Fusobacteriaceae is a large family within the phylum Fusobacteriota. The reclassification of F. naviforme as Zandiella naviformis gen. nov., comb. nov. is proposed because of the separate and distinct phylogenetic situation on the basis of the results of 16S rRNA gene sequence analysis, the genetic and genomic differences from all other species and subspecies in the Fusobacteriaceae family. The type strain is ATCC 25832; CCUG 50052; NCTC 13121. In phylogenetic trees drawn using complete genome sequences and 16S rRNA gene sequences, F. necrophorum subsp. funduliforme and F. equinum were clades together with F. necrophorum subsp. necrophorum and F. gonidiaformans, respectively. The average nucleotide identity, average amino acid identity, and digital DNA-DNA hybridization values between themes exceeded the cut-off values for species delineation. Based on these results, F. necrophorum subsp. funduliforme and F. equinum should be reclassified as later heterotypic synonyms of F. necrophorum subsp. necrophorum and F. gonidiaformans, respectively.
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Affiliation(s)
- Mehdi Fatahi-Bafghi
- Research Center for Health Technology Assessment and Medical Informatics, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
- Department of Microbiology, Faculty of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
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Pereida-Aguilar JC, Barragán-Vargas C, Domínguez-Sánchez C, Álvarez-Martínez RC, Acevedo-Whitehouse K. Bacterial dysbiosis and epithelial status of the California sea lion (Zalophus californianus) in the Gulf of California. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2023; 113:105474. [PMID: 37356747 DOI: 10.1016/j.meegid.2023.105474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 06/11/2023] [Accepted: 06/22/2023] [Indexed: 06/27/2023]
Abstract
Despite the high incidence of urogenital carcinoma (UGC) in California sea lions stranded along California, no UGC has been reported in other areas of their distribution; however, cell morphologies typical of premalignant states have been found. Risk factors for UGC include high of organochlorines and infection with a gammaherpesvirus, OtHV-1, but the importance of the bacteriome for epithelial status remains unknown. We characterized the genital bacteriome of adult female California sea lions along their distribution in the Gulf of California and examined whether the diversity and abundance of the bacteriome varied spatially, whether there were detectable differences in the bacteriome between healthy and altered epithelia, and whether the bacteriome was different in California sea lions infected with OtHV-1 or papillomavirus. We detected 2270 ASVs in the genital samples, of which 35 met the criteria for inclusion in the core bacteriome. Fusobacteriia and Clostridia were present in all samples, at high abundances, and Actinobacteria, Alphaproteobacteria, and Campylobacteria were also well-represented. Alpha diversity and abundance of the California sea lion genital bacteriome varied geographically. The abundance of bacterial ASVs varied depending on the genital epithelial status and inflammation, with differences driven by classes Fusobacteriia, Clostridia, Campylobacteria and Alphaproteobacteria. Alpha diversity and abundance were lowest in samples in which OtHV-1 was detected, and highest those with papillomavirus. Our study is the first investigation of how the bacteriome is related to epithelial status in a wild marine species prone to developing cancer.
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Affiliation(s)
- Juan Carlos Pereida-Aguilar
- Unit for Basic and Applied Microbiology, School of Natural Sciences, Autonomous University of Queretaro, Santiago de Queretaro 76146, Mexico
| | - Cecilia Barragán-Vargas
- Unit for Basic and Applied Microbiology, School of Natural Sciences, Autonomous University of Queretaro, Santiago de Queretaro 76146, Mexico
| | - Carlos Domínguez-Sánchez
- Unit for Basic and Applied Microbiology, School of Natural Sciences, Autonomous University of Queretaro, Santiago de Queretaro 76146, Mexico
| | - Roberto Carlos Álvarez-Martínez
- Unit for Basic and Applied Microbiology, School of Natural Sciences, Autonomous University of Queretaro, Santiago de Queretaro 76146, Mexico
| | - Karina Acevedo-Whitehouse
- Unit for Basic and Applied Microbiology, School of Natural Sciences, Autonomous University of Queretaro, Santiago de Queretaro 76146, Mexico.
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Glaeser SP, Silva LMR, Prieto R, Silva MA, Franco A, Kämpfer P, Hermosilla C, Taubert A, Eisenberg T. A Preliminary Comparison on Faecal Microbiomes of Free-Ranging Large Baleen (Balaenoptera musculus, B. physalus, B. borealis) and Toothed (Physeter macrocephalus) Whales. MICROBIAL ECOLOGY 2022; 83:18-33. [PMID: 33745062 PMCID: PMC8881428 DOI: 10.1007/s00248-021-01729-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 03/03/2021] [Indexed: 05/08/2023]
Abstract
Large baleen and toothed whales play crucial ecological roles in oceans; nonetheless, very little is known about their intestinal microbiomes. Based on striking differences in natural history and thus in feeding behaviours, it can be expected that intestinal microbiomes of large baleen whales and toothed whales are different. To test this hypothesis, the phylogenetic composition of faecal microbiomes was investigated by a 16S rRNA gene amplicon sequence-based approach for Bacteria and Archaea. Faecal samples from free-ranging large whales collected off the Azores Archipelago (Portugal) were used, comprising 13 individual baleen whales (one sei, two blue and ten fin whales) and four sperm whales. The phylogenetic composition of the Bacteria faecal microbiomes of baleen and toothed whales showed no significant differences at the phylum level. However, significant differences were detected at the family and genus levels. Most abundant phyla were Firmicutes, Bacteroidetes, Proteobacteria, Tenericutes and Spirochaeta. Few highly abundant bacterial genera were identified as key taxa with a high contribution to differences among baleen and toothed whales microbiomes. Only few archaeal sequences were detected, primarily Methanomassiliicoccales representing potential methanogenic Archaea. This is the first study that directly compares the faecal bacterial and archaeal microbiomes of free-ranging baleen and toothed whales which represent the two parvorders of Cetacea which members are fully aquatic large mammals which were evolutionary split millions of years ago.
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Affiliation(s)
- Stefanie P Glaeser
- Institute of Applied Microbiology, Justus Liebig University Giessen, IFZ-Heinrich-Buff-Ring 26-32, 35392, Giessen, Germany.
| | - Liliana M R Silva
- Institute of Parasitology, Justus Liebig University, Giessen, Germany
| | - Rui Prieto
- Institute of Marine Research (IMAR) and Okeanos R&D Centre, University of the Azores, Horta, Portugal
- MARE-Marine and Environmental Sciences Centre, Lisbon, Portugal
| | - Mónica A Silva
- Institute of Marine Research (IMAR) and Okeanos R&D Centre, University of the Azores, Horta, Portugal
| | - Angel Franco
- Institute of Applied Microbiology, Justus Liebig University Giessen, IFZ-Heinrich-Buff-Ring 26-32, 35392, Giessen, Germany
| | - Peter Kämpfer
- Institute of Applied Microbiology, Justus Liebig University Giessen, IFZ-Heinrich-Buff-Ring 26-32, 35392, Giessen, Germany
| | - Carlos Hermosilla
- Institute of Parasitology, Justus Liebig University, Giessen, Germany
| | - Anja Taubert
- Institute of Parasitology, Justus Liebig University, Giessen, Germany
| | - Tobias Eisenberg
- Department of Veterinary Medicine, Hessian State Laboratory (LHL), Giessen, Germany
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Yadav S, Koenen M, Bale N, Sinninghe Damsté JS, Villanueva L. The physiology and metabolic properties of a novel, low-abundance Psychrilyobacter species isolated from the anoxic Black Sea shed light on its ecological role. ENVIRONMENTAL MICROBIOLOGY REPORTS 2021; 13:899-910. [PMID: 34668338 DOI: 10.1111/1758-2229.13012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 08/26/2021] [Accepted: 09/17/2021] [Indexed: 06/13/2023]
Abstract
Members of the Psychrilyobacter spp. of the phylum Fusobacteria have been recently suggested to be amongst the most significant primary degraders of the detrital organic matter in sulfidic marine habitats, despite representing only a small proportion (<0.1%) of the microbial community. In this study, we have isolated a previously uncultured Psychrilyobacter species (strains SD5T and BL5; Psychrilyobacter piezotolerans sp. nov.) from the sulfidic waters (i.e., 2000 m depth) of the Black Sea and investigated its physiology and genomic capability in order to better understand potential ecological adaptation strategies. P. piezotolerans utilized a broad range of organic substituents (carbohydrates and proteins) and, remarkably, grew at sulfide concentrations up to 32 mM. These flexible physiological properties were supported by the presence of the respective metabolic pathways in the genomes of both strains. Growth at varying hydrostatic pressure (0.1-50 MPa) was sustained by modifying its membrane lipid composition. Thus, we have isolated a novel member of the 'rare biosphere', which endures the extreme conditions and may play a significant role in the degradation of detrital organic matter sinking into the sulfidic waters of the Black Sea.
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Affiliation(s)
- Subhash Yadav
- NIOZ Royal Netherlands Institute for Sea Research, Department of Marine Microbiology and Biogeochemistry, P.O. Box 59, 1797AB, Den Burg, Texel, The Netherlands
| | - Michel Koenen
- NIOZ Royal Netherlands Institute for Sea Research, Department of Marine Microbiology and Biogeochemistry, P.O. Box 59, 1797AB, Den Burg, Texel, The Netherlands
| | - Nicole Bale
- NIOZ Royal Netherlands Institute for Sea Research, Department of Marine Microbiology and Biogeochemistry, P.O. Box 59, 1797AB, Den Burg, Texel, The Netherlands
| | - Jaap S Sinninghe Damsté
- NIOZ Royal Netherlands Institute for Sea Research, Department of Marine Microbiology and Biogeochemistry, P.O. Box 59, 1797AB, Den Burg, Texel, The Netherlands
- Faculty of Geosciences, Department of Earth Sciences, Utrecht University, P.O. Box 80.021, 3508 TA, Utrecht, The Netherlands
| | - Laura Villanueva
- NIOZ Royal Netherlands Institute for Sea Research, Department of Marine Microbiology and Biogeochemistry, P.O. Box 59, 1797AB, Den Burg, Texel, The Netherlands
- Faculty of Geosciences, Department of Earth Sciences, Utrecht University, P.O. Box 80.021, 3508 TA, Utrecht, The Netherlands
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Volokhov DV, Blom J, Amselle M, Delmonte P, Gao Y, Shen Z, Zhang S, Gulland FM, Chizhikov VE, Eisenberg T. Oceanivirga miroungae sp. nov., isolated from oral cavity of northern elephant seal ( Mirounga angustirostris). Int J Syst Evol Microbiol 2020; 70:3037-3048. [PMID: 32223835 DOI: 10.1099/ijsem.0.004127] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Two independent strains of a Leptotrichia species (ES3154-GLUT and ES2714_GLU) were isolated from the oral cavity of northern elephant seals (Mirounga angustirostris) that were admitted to The Marine Mammal Centre facilities in California, USA. The strains were isolated from oral swabs by cultivation in PPLO broth supplemented with serum, penicillin and colistin in anaerobic conditions. The strains were Gram-negative, pleomorphic, indole-, oxidase- and catalase-negative, non-spore-forming, non-motile rods/coccobacilli in short chains. The 16S rRNA gene sequence of these strains shared 94.42 % nucleotide similarity with Oceanivirga salmonicida AVG 2115T but demonstrated ≤86.00-92.50 % nucleotide similarity to the 16S rRNA genes of other species of the family Leptotrichiaceae. The genome was sequenced for strain ES3154-GLUT. Average nucleotide identity values between strain ES3154-GLUT and 15 type strain genomes from the family Leptotrichiaceae ranged from 66.74 % vs. Sebaldella termitidis to 73.35 % vs. O. salmonicida. The whole genome phylogeny revealed that the novel species was most closely related to O. salmonicida AVG 2115T. This relationship was also confirmed by nucleotide similarity and multilocus phylogenetic analyses employing various housekeeping genes (partial 23S rRNA, rpoB, rpoC, rpoD, polC, adh, gyrA and gyrB genes). Chemotaxonomic and phenotypical features of strain ES3154-GLUT were in congruence with closely related members of the family Leptotrichiaceae, represented by similar enzyme profiles and fatty acid patterns. MALDI-TOF MS analysis was capable to clearly discriminate strain ES3154-GLUT from all currently described taxa of the family Leptotrichiaceae. Based on these data, we propose a novel species of the genus Oceanivirga, for which the name Oceanivirga miroungae sp. nov. is proposed with the type strain ES3154-GLUT (=DSM 109740T=CCUG 73653T=ATCC TSD-189T=NCTC 14411T) and one representative strain ES2714_GLU. The G+C content is 26.82 %, genome size is 1 356 983 bp.
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Affiliation(s)
- Dmitriy V Volokhov
- Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, 10903 New Hampshire Avenue, Silver Spring, MD 20993, USA
| | - Jochen Blom
- Bioinformatics and Systems Biology, Justus-Liebig-University Giessen, Heinrich Buff Ring 58, 35392, Giessen, Germany
| | - Megan Amselle
- American Type Culture Collection (ATCC), 10801 University Blvd., Manassas, VA 20110, USA
| | - Pierluigi Delmonte
- Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, 5001 Campus Dr., College Park, MD 20740, USA
| | - Yamei Gao
- Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, 10903 New Hampshire Avenue, Silver Spring, MD 20993, USA
| | - Zhenyu Shen
- Department of Veterinary Pathobiology, Veterinary Medical Diagnostic Laboratory, College of Veterinary Medicine, University of Missouri, 901 East Campus Loop, Columbia, MO 65211, USA
| | - Shuping Zhang
- Department of Veterinary Pathobiology, Veterinary Medical Diagnostic Laboratory, College of Veterinary Medicine, University of Missouri, 901 East Campus Loop, Columbia, MO 65211, USA
| | - Frances M Gulland
- Wildlife Health Center, University of California, 1089 Veterinary Medicine Dr., Davis, CA 95616, USA
| | - Vladimir E Chizhikov
- Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, 10903 New Hampshire Avenue, Silver Spring, MD 20993, USA
| | - Tobias Eisenberg
- Hessian State Laboratory (LHL), Department of Veterinary Medicine, Schubertstrasse 60, 35392, Giessen, Germany
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Palmer R, Fleming GTA, Glaeser S, Semmler T, Flamm A, Ewers C, Kämpfer P, Budich O, Berrow S, O'Brien J, Siebert U, Collins E, Ruttledge M, Eisenberg T. Marine mammals are natural hosts of Oceanivirga salmonicida, a bacterial pathogen of Atlantic salmon. DISEASES OF AQUATIC ORGANISMS 2020; 139:161-174. [PMID: 32406871 DOI: 10.3354/dao03478] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
During 1992 and 1993, a bacterial disease occurred in a seawater Atlantic salmon Salmo salar farm, causing serious mortalities. The causative agent was subsequently named as Oceanivirga salmonicida, a member of the Leptotrichiaceae. Searches of 16S rRNA gene sequence databases have shown sequence similarities between O. salmonicida and uncultured bacterial clones from the digestive tracts of marine mammals. In the current study, oral samples were taken from stranded dolphins (common dolphin Delphinus delphis, striped dolphin Stenella coeruleoalba) and healthy harbour seals Phoca vitulina. A bacterium with growth characteristics consistent with O. salmonicida was isolated from a common dolphin. The isolate was confirmed as O. salmonicida, by comparisons to the type strain, using 16S rRNA gene, gyrB, groEL, and recA sequence analyses, average nucleotide identity analysis, and MALDI-TOF mass spectrometry. Metagenomic analysis indicated that the genus Oceanivirga represented a significant component of the oral bacterial microbiomes of the dolphins and seals. However, sequences consistent with O. salmonicida were only found in the dolphin samples. Analyses of marine mammal microbiome studies in the NCBI databases showed sequences consistent with O. salmonicida from the common dolphin, striped dolphin, bottlenose dolphin Tursiops truncatus, humpback whale Megaptera novaeangliae, and harbour seal. Sequences from marine environmental studies in the NCBI databases showed no sequences consistent with O. salmonicida. The findings suggest that several species of marine mammals are natural hosts of O. salmonicida.
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Affiliation(s)
- Roy Palmer
- Discipline of Microbiology, School of Natural Sciences, National University of Ireland Galway, Galway H91TK33, Ireland
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Eisenberg T, Fawzy A, Nicklas W, Semmler T, Ewers C. Phylogenetic and comparative genomics of the family Leptotrichiaceae and introduction of a novel fingerprinting MLVA for Streptobacillus moniliformis. BMC Genomics 2016; 17:864. [PMID: 27809782 PMCID: PMC5093955 DOI: 10.1186/s12864-016-3206-0] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Accepted: 10/25/2016] [Indexed: 11/30/2022] Open
Abstract
Background The Leptotrichiaceae are a family of fairly unnoticed bacteria containing both microbiota on mucous membranes as well as significant pathogens such as Streptobacillus moniliformis, the causative organism of streptobacillary rat bite fever. Comprehensive genomic studies in members of this family have so far not been carried out. We aimed to analyze 47 genomes from 20 different member species to illuminate phylogenetic aspects, as well as genomic and discriminatory properties. Results Our data provide a novel and reliable basis of support for previously established phylogeny from this group and give a deeper insight into characteristics of genome structure and gene functions. Full genome analyses revealed that most S. moniliformis strains under study form a heterogeneous population without any significant clustering. Analysis of infra-species variability for this highly pathogenic rat bite fever organism led to the detection of three specific variable number tandem analysis loci with high discriminatory power. Conclusions This highly useful and economical tool can be directly employed in clinical samples without laborious prior cultivation. Our and prospective case-specific data can now easily be compared by using a newly established MLVA database in order to gain a better insight into the epidemiology of this presumably under-reported zoonosis. Electronic supplementary material The online version of this article (doi:10.1186/s12864-016-3206-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Tobias Eisenberg
- Abteilung Veterinärmedizin, Landesbetrieb Hessisches Landeslabor (LHL), Schubertstr. 60/H13, D-35392, Giessen, Germany.
| | - Ahmad Fawzy
- Abteilung Veterinärmedizin, Landesbetrieb Hessisches Landeslabor (LHL), Schubertstr. 60/H13, D-35392, Giessen, Germany.,Department of Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Cairo University, Giza Square, 12211, Egypt.,Institut für Hygiene und Infektionskrankheiten der Tiere, Justus-Liebig-Universität Giessen, D-35392, Giessen, Germany
| | - Werner Nicklas
- Deutsches Krebsforschungszentrum, D-69120, Heidelberg, Germany
| | | | - Christa Ewers
- Institut für Hygiene und Infektionskrankheiten der Tiere, Justus-Liebig-Universität Giessen, D-35392, Giessen, Germany
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Eisenberg T, Ewers C, Rau J, Akimkin V, Nicklas W. Approved and novel strategies in diagnostics of rat bite fever and other Streptobacillus infections in humans and animals. Virulence 2016; 7:630-48. [PMID: 27088660 DOI: 10.1080/21505594.2016.1177694] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Rat bite fever (RBF), a worldwide occurring and most likely under-diagnosed zoonosis caused by Streptobacillus moniliformis, represents the most prominent disease of Streptobacillus infections. Recently, novel members have been described, from which a reservoir in rats and other animal species and a zoonotic potential can be assumed. Despite regularly published case reports, diagnostics of RBF continues to represent a 'diagnostic dilemma', because the mostly applied 16S rRNA sequence analysis may be uncertain for proper pathogen identification. Virtually nothing is known regarding prevalence in humans and animal reservoirs. For a realistic assessment of the pathogen's spread, epidemiology and virulence traits, future studies should focus on the genomic background of Streptobacillus. Full genome sequence analyses of a representative collection of strains might facilitate to unequivocally identify and type isolates. Prevalence studies using selective enrichment mechanisms may also enable the isolation of novel strains and candidate species of this neglected group of microorganisms.
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Affiliation(s)
| | - Christa Ewers
- b Institut für Hygiene und Infektionskrankheiten der Tiere, Justus-Liebig-Universität Gießen , Gießen , Germany
| | - Jörg Rau
- c Chemisches und Veterinäruntersuchungsamt Stuttgart , Fellbach , Germany
| | - Valerij Akimkin
- c Chemisches und Veterinäruntersuchungsamt Stuttgart , Fellbach , Germany
| | - Werner Nicklas
- d Deutsches Krebsforschungszentrum , Heidelberg , Germany
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