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Sting R, Pölzelbauer C, Eisenberg T, Bonke R, Blazey B, Peters M, Riße K, Sing A, Berger A, Dangel A, Rau J. Corynebacterium ulcerans Infections in Eurasian Beavers ( Castor fiber). Pathogens 2023; 12:979. [PMID: 37623939 PMCID: PMC10459376 DOI: 10.3390/pathogens12080979] [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: 06/07/2023] [Revised: 07/20/2023] [Accepted: 07/21/2023] [Indexed: 08/26/2023] Open
Abstract
The Eurasian beaver (Castor fiber) has been reintroduced successfully in Germany since the 1990s. Since wildlife is an important source of zoonotic infectious diseases, monitoring of invasive and reintroduced species is crucial with respect to the One Health approach. Three Eurasian beavers were found dead in the German federal states of Bavaria, North Rhine-Westphalia and Baden-Wuerttemberg in 2015, 2021 and 2022, respectively. During post-mortem examinations, Corynebacterium (C.) ulcerans could be isolated from the abscesses of two beavers and from the lungs of one of the animals. Identification of the bacterial isolates at the species level was carried out by spectroscopic analysis using MALDI-TOF MS, FT-IR and biochemical profiles and were verified by molecular analysis based on 16-23S internal transcribed spacer (ITS) region sequencing. Molecular characterization of the C. ulcerans isolates using whole-genome sequencing (WGS) revealed a genome size of about 2.5 Mbp and a GC content of 53.4%. Multilocus sequence typing (MLST) analysis classified all three isolates as the sequence type ST-332. A minimum spanning tree (MST) based on cgMLST allelic profiles, including 1211 core genes of the sequenced C. ulcerans isolates, showed that the beaver-derived isolates clearly group on the branch of C. ulcerans with the closest relationship to each other, in close similarity to an isolate from a dog. Antibiotic susceptibility testing revealed resistance to clindamycin and, in one strain, to erythromycin according to EUCAST, while all isolates were susceptible to the other antimicrobials tested.
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Affiliation(s)
- Reinhard Sting
- Chemical and Veterinary Analysis Agency (CVUA) Stuttgart, 70736 Fellbach, Germany; (C.P.); (B.B.); (J.R.)
- Consiliary Laboratory for Corynebacterium pseudotuberculosis (DVG), 70736 Fellbach, Germany
| | - Catharina Pölzelbauer
- Chemical and Veterinary Analysis Agency (CVUA) Stuttgart, 70736 Fellbach, Germany; (C.P.); (B.B.); (J.R.)
| | - Tobias Eisenberg
- Hessian State Laboratory (LHL), 35392 Giessen, Germany; (T.E.); (R.B.); (K.R.)
| | - Rebecca Bonke
- Hessian State Laboratory (LHL), 35392 Giessen, Germany; (T.E.); (R.B.); (K.R.)
| | - Birgit Blazey
- Chemical and Veterinary Analysis Agency (CVUA) Stuttgart, 70736 Fellbach, Germany; (C.P.); (B.B.); (J.R.)
| | - Martin Peters
- Chemical and Veterinary Investigation Office Westfalen, 59821 Arnsberg, Germany;
| | - Karin Riße
- Hessian State Laboratory (LHL), 35392 Giessen, Germany; (T.E.); (R.B.); (K.R.)
| | - Andreas Sing
- Germany National Consiliary Laboratory for Diphtheria, 85764 Oberschleißheim, Germany; (A.S.); (A.B.)
| | - Anja Berger
- Germany National Consiliary Laboratory for Diphtheria, 85764 Oberschleißheim, Germany; (A.S.); (A.B.)
| | - Alexandra Dangel
- Bavarian Health and Food Safety Authority, 85764 Oberschleißheim, Germany;
| | - Jörg Rau
- Chemical and Veterinary Analysis Agency (CVUA) Stuttgart, 70736 Fellbach, Germany; (C.P.); (B.B.); (J.R.)
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2
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Perrotte M, Lazardeux J, Sistiaga PP, Chazalviel L, Saulnier R, Metayer T, Isnard C, Emery E, Auvray P, Vivien D, Gaberel T. An updated model of hydrocephalus in sheep to evaluate the performance of a device for ambulatory wireless monitoring of cerebral pressure through shunts. Neurochirurgie 2021; 68:300-308. [PMID: 34774581 DOI: 10.1016/j.neuchi.2021.10.006] [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: 03/16/2021] [Revised: 07/16/2021] [Accepted: 10/04/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND Cerebrospinal fluid (CSF) diversion by shunts is the most common surgical treatment for hydrocephalus. Though effective, shunts are associated with risk of dysfunction leading to multiple surgical revisions, affecting patient quality-of-life and incurring high healthcare costs. There is a need for ambulatory monitoring systems for life-long assessment of shunt status. The present study aimed to develop a preclinical model assessing the feasibility of our wireless device for continuous monitoring of cerebral pressure in shunts. METHODS We first adapted a previous hydrocephalus model in sheep, which used an intracisternal kaolin injection. Seven animals were used to establish the model, and 1 sheep with naturally dilated ventricles was used as control. Hydrocephalus was confirmed by clinical examination and brain imaging before inserting the ventriculoperitoneal shunts and the monitoring device allowing continuous measurement of the pressure through the shunt for a few days in 3 sheep. An external ventricular drain was used as gold-standard. RESULTS Our results showed that a reduction in kaolin dose associated to postoperative management was crucial to reduce morbidity and mortality rates in the model. Ventriculomegaly was confirmed by imaging 4 days after injection of 75 mg kaolin into the cisterna magna. For the implanted sheep, recordings revealed high sensitivity of our sensor in detecting fluctuations in cerebral pressure compared to conventional measurements. CONCLUSIONS This proof-of-concept study highlights the potential of this preclinical model for testing new shunt devices.
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Affiliation(s)
- Morgane Perrotte
- Research and Development Department, Neurallys, Colombelles, Normandie, France.
| | - Johan Lazardeux
- Research and Development Department, Neurallys, Colombelles, Normandie, France
| | | | - Laurent Chazalviel
- UMR6301-ISTCT, CNRS, CERVOxy Group, GIP Cyceron, Caen, Normandie, France
| | | | - Thomas Metayer
- Department of Neurosurgery, University Hospital of Caen, Caen, Normandie, France; INSERM, UMR-S U1237, Pathophysiology and Imaging of Neurological Disorders, University Caen-Normandy, University Hospital of Caen, GIP Cyceron, Caen, Normandie, France
| | - Christophe Isnard
- Department of Microbiology, University Caen-Normandy, UNICAEN, University Hospital of Caen, Caen, Normandie, France; UNICAEN/UNIROUEN, EA2656 GRAM 2.0, University Caen-Normandy, Caen, Normandie, France
| | - Evelyne Emery
- Department of Neurosurgery, University Hospital of Caen, Caen, Normandie, France; INSERM, UMR-S U1237, Pathophysiology and Imaging of Neurological Disorders, University Caen-Normandy, University Hospital of Caen, GIP Cyceron, Caen, Normandie, France
| | - Philippe Auvray
- Research and Development Department, Neurallys, Colombelles, Normandie, France
| | - Denis Vivien
- INSERM, UMR-S U1237, Pathophysiology and Imaging of Neurological Disorders, University Caen-Normandy, University Hospital of Caen, GIP Cyceron, Caen, Normandie, France; Department of Clinical Research, University Hospital of Caen, Caen, Normandie, France
| | - Thomas Gaberel
- Department of Neurosurgery, University Hospital of Caen, Caen, Normandie, France; INSERM, UMR-S U1237, Pathophysiology and Imaging of Neurological Disorders, University Caen-Normandy, University Hospital of Caen, GIP Cyceron, Caen, Normandie, France
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3
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Uchida-Fujii E, Niwa H, Kinoshita Y, Nukada T. Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry (MALDI-TOF MS) for Identification of Bacterial Isolates From Horses. J Equine Vet Sci 2020; 95:103276. [PMID: 33276932 DOI: 10.1016/j.jevs.2020.103276] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 09/15/2020] [Accepted: 09/16/2020] [Indexed: 11/17/2022]
Abstract
Matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS) is used for bacterial identification by analyzing the spectra of isolates and comparing them against a database of reference spectra; it is known for its rapidity and accuracy. Although MALDI-TOF MS is used for identification of bacterial isolates from animals, not all animal pathogens are identified correctly. In this study, we used a commercial MALDI-TOF MS identification system to examine 3724 bacterial isolates from horses and their environments. Isolates that could not be identified with MALDI-TOF MS were identified by 16S rRNA gene sequence taxonomic analysis. MALDI-TOF MS could identify 86.2% of the isolates from horses to the species level, showing that this method could be successfully applied for bacterial identification in horses. However, some species known to be equine pathogenic agents including Taylorella equigenitalis and Rhodococcus equi were difficult to identify with MALDI-TOF MS, which might be the result of an inadequate reference database. Some Prevotella, Staphylococcus, and Streptococcus isolates, which could not be identified with either MALDI-TOF MS or 16S rRNA gene sequencing analysis, formed clusters in the 16S rRNA phylogenic tree, and might be unknown species isolated from horses. Adding the spectra of isolates identified in this study to an in-house database might make MALDI-TOF MS a more useful tool for identifying equine isolates.
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Affiliation(s)
- Eri Uchida-Fujii
- Microbiology Division, Equine Research Institute, Japan Racing Association, Shimotsuke, Tochigi, Japan.
| | - Hidekazu Niwa
- Microbiology Division, Equine Research Institute, Japan Racing Association, Shimotsuke, Tochigi, Japan
| | - Yuta Kinoshita
- Microbiology Division, Equine Research Institute, Japan Racing Association, Shimotsuke, Tochigi, Japan
| | - Toshio Nukada
- Microbiology Division, Equine Research Institute, Japan Racing Association, Shimotsuke, Tochigi, Japan
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4
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Foster G, Kirchner M, Muchowski J, Duggett N, Randall L, Knight HI, Whatmore AM. Streptococcus caledonicus sp. nov., isolated from sheep. Int J Syst Evol Microbiol 2020; 70:2611-2615. [PMID: 32160144 DOI: 10.1099/ijsem.0.004081] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Five strains of an unidentified Gram-positive, catalase-negative, chain-forming coccus-shaped organism recovered from sheep in Scotland were characterized using phenotypic and molecular taxonomic methods. Based on morphological and biochemical criteria, the strains were tentatively identified as streptococci but they did not appear to correspond to any recognised species of the genus. Comparative 16S rRNA gene sequencing showed the strains were highly related to each other and confirmed their placement in the genus Streptococcus, with a maximum nucleotide identity of around 97 % to extant species. Best matches were with Streptococcus hillyeri followed by Streptococcus porci. Average nucleotide identity and in silico DNA-DNA hybridization values determined from whole-genome sequence were also consistent with the group representing a novel species. Best matches, again seen to S. hillyeri, followed by S. porci and S. plurextorum, were below accepted cut-off values for species delineation. Based on biochemical criteria and molecular genetic evidence, it is proposed that the unknown isolates from sheep be assigned to a new species of the genus Streptococcus as Streptococcus caledonicus sp. nov. The type strain of Streptococcus caledonicus is S784/96/1T=CCUG 73951T=NCTC 14363T.
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Affiliation(s)
- Geoffrey Foster
- SRUC Veterinary Services, An Lochran, 10 Inverness Campus, Inverness IV2 5NA, UK
| | - Miranda Kirchner
- Department of Bacteriology, Animal and Plant Health Agency, Addlestone, KT15 3NB, UK
| | - Jakub Muchowski
- Department of Bacteriology, Animal and Plant Health Agency, Addlestone, KT15 3NB, UK
| | - Nicholas Duggett
- Department of Bacteriology, Animal and Plant Health Agency, Addlestone, KT15 3NB, UK
| | - Luke Randall
- Department of Bacteriology, Animal and Plant Health Agency, Addlestone, KT15 3NB, UK
| | - Hazel I Knight
- SRUC Veterinary Services, Mill of Craibstone, Bucksburn, Aberdeen AB21 9TB, UK
| | - Adrian M Whatmore
- Department of Bacteriology, Animal and Plant Health Agency, Addlestone, KT15 3NB, UK
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5
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Zamora L, Pérez-Sancho M, Fernández-Garayzábal JF, Orden JA, Domínguez-Bernal G, de la Fuente R, Domínguez L, Vela AI. Streptococcus ovuberis sp. nov., isolated from a subcutaneous abscess in the udder of a sheep. Int J Syst Evol Microbiol 2017; 67:4340-4344. [DOI: 10.1099/ijsem.0.002213] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Leydis Zamora
- Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Universidad Complutense, 28040 Madrid, Spain
| | - Marta Pérez-Sancho
- Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Universidad Complutense, 28040 Madrid, Spain
| | - Jose Francisco Fernández-Garayzábal
- Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Universidad Complutense, 28040 Madrid, Spain
- Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad Complutense, 28040 Madrid, Spain
| | - Jose Antonio Orden
- Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad Complutense, 28040 Madrid, Spain
| | - Gustavo Domínguez-Bernal
- Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad Complutense, 28040 Madrid, Spain
| | - Ricardo de la Fuente
- Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad Complutense, 28040 Madrid, Spain
| | - Lucas Domínguez
- Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Universidad Complutense, 28040 Madrid, Spain
- Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad Complutense, 28040 Madrid, Spain
| | - Ana Isabel Vela
- Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Universidad Complutense, 28040 Madrid, Spain
- Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad Complutense, 28040 Madrid, Spain
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6
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Short communication: Isolation frequency of bacteria causing lymphadenitis and abscesses in small ruminants in central Spain. Small Rumin Res 2017. [DOI: 10.1016/j.smallrumres.2017.06.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Nomoto R, Maruyama F, Ishida S, Tohya M, Sekizaki T, Osawa R. Reappraisal of the taxonomy of Streptococcus suis serotypes 20, 22 and 26: Streptococcus parasuis sp. nov. Int J Syst Evol Microbiol 2015; 65:438-443. [DOI: 10.1099/ijs.0.067116-0] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
In order to clarify the taxonomic position of serotypes 20, 22 and 26 of
Streptococcus suis
, biochemical and molecular genetic studies were performed on isolates (SUT-7, SUT-286T, SUT-319, SUT-328 and SUT-380) reacted with specific antisera of serotypes 20, 22 or 26 from the saliva of healthy pigs as well as reference strains of serotypes 20, 22 and 26. Comparative recN gene sequencing showed high genetic relatedness among our isolates, but marked differences from the type strain
S. suis
NCTC 10234T, i.e. 74.8–75.7 % sequence similarity. The genomic relatedness between the isolates and other strains of species of the genus
Streptococcus
, including
S. suis,
was calculated using the average nucleotide identity values of whole genome sequences, which indicated that serotypes 20, 22 and 26 should be removed taxonomically from
S. suis
and treated as a novel genomic species. Comparative sequence analysis revealed 99.0–100 % sequence similarities for the 16S rRNA genes between the reference strains of serotypes 20, 22 and 26, and our isolates. Isolate STU-286T had relatively high 16S rRNA gene sequence similarity with
S. suis
NCTC 10234T (98.8 %). SUT-286T could be distinguished from
S. suis
and other closely related species of the genus
Streptococcus
using biochemical tests. Due to its phylogenetic and phenotypic similarities to
S. suis
we propose naming the novel species Streptococcus parasuis sp. nov., with SUT-286T ( = JCM 30273T = DSM 29126T) as the type strain.
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Affiliation(s)
- R. Nomoto
- Organization for Advanced Science and Technology, Kobe University, Rokko-dai 1-1, Nada-ku, Kobe, Hyogo 657-8501, Japan
| | - F. Maruyama
- Graduate School of Medical and Dental Sciences, Section of Bacterial Phathogenesis, Tokyo Medical and Dental University, Yushima 45-5-1, Bunkyo-ku, Tokyo 113-8510, Japan
| | - S. Ishida
- Research Center for Food Safety, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo 113-8657, Japan
| | - M. Tohya
- Research Center for Food Safety, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo 113-8657, Japan
| | - T. Sekizaki
- Research Center for Food Safety, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Ro Osawa
- Department of Bioresource Sciences, Graduate School of Agricultural Sciences, Kobe University, Rokko-dai 1-1, Nada-ku, Kobe, Hyogo 657-8501, Japan
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8
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Streptococcus tangierensis sp. nov. and Streptococcus cameli sp. nov., two novel Streptococcus species isolated from raw camel milk in Morocco. Antonie van Leeuwenhoek 2014; 107:503-10. [DOI: 10.1007/s10482-014-0346-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2014] [Accepted: 12/01/2014] [Indexed: 11/26/2022]
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9
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Development of an appropriate PCR system for the reclassification of Streptococcus suis. J Microbiol Methods 2014; 107:66-70. [DOI: 10.1016/j.mimet.2014.09.003] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2014] [Revised: 09/06/2014] [Accepted: 09/06/2014] [Indexed: 11/23/2022]
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10
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Kadri Z, Amar M, Ouadghiri M, Cnockaert M, Aerts M, El Farricha O, Vandamme P. Streptococcus
moroccensis sp. nov. and Streptococcus
rifensis sp. nov., isolated from raw camel milk. Int J Syst Evol Microbiol 2014; 64:2480-2485. [DOI: 10.1099/ijs.0.062893-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Two catalase- and oxidase-negative
Streptococcus
-like strains, LMG 27682T and LMG 27684T, were isolated from raw camel milk in Morocco. Comparative 16S rRNA gene sequencing assigned these bacteria to the genus
Streptococcus
with
Streptococcus rupicaprae
2777-2-07T as their closest phylogenetic neighbour (95.9 % and 95.7 % similarity, respectively). 16S rRNA gene sequence similarity between the two strains was 96.7 %. Although strains LMG 27682T and LMG 27684T shared a DNA–DNA hybridization value that corresponded to the threshold level for species delineation (68 %), the two strains could be distinguished by multiple biochemical tests, sequence analysis of the phenylalanyl-tRNA synthase (pheS), RNA polymerase (rpoA) and ATP synthase (atpA) genes and by their MALDI-TOF MS profiles. On the basis of these considerable phenotypic and genotypic differences, we propose to classify both strains as novel species of the genus
Streptococcus
, for which the names Streptococcus
moroccensis sp. nov. (type strain, LMG 27682T = CCMM B831T) and Streptococcus
rifensis sp. nov. (type strain, LMG 27684T = CCMM B833T) are proposed.
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Affiliation(s)
- Zaina Kadri
- Laboratoire de Biotechnologie Microbienne, Faculté des Sciences et Techniques de Fès-Saïs, B.P. 2202, Route d'Imouzzer, Fez, Morocco
- Laboratoire de Microbiologie et Biologie Moléculaire, Centre National pour la Recherche Scientifique et Technique (LMBM/CNRST), Angle av. Allal El Fassi, av. des FAR, Quartier Hay Ryad, BP. 8027 Nations Unies, 10102 Rabat, Morocco
| | - Mohamed Amar
- Laboratoire de Microbiologie et Biologie Moléculaire, Centre National pour la Recherche Scientifique et Technique (LMBM/CNRST), Angle av. Allal El Fassi, av. des FAR, Quartier Hay Ryad, BP. 8027 Nations Unies, 10102 Rabat, Morocco
| | - Mouna Ouadghiri
- Laboratoire de Microbiologie et Biologie Moléculaire, Centre National pour la Recherche Scientifique et Technique (LMBM/CNRST), Angle av. Allal El Fassi, av. des FAR, Quartier Hay Ryad, BP. 8027 Nations Unies, 10102 Rabat, Morocco
| | - Margo Cnockaert
- Laboratory of Microbiology, Department of Biochemistry and Microbiology, Gent University, K.L. Ledeganckstraat 35, B-9000 Gent, Belgium
| | - Maarten Aerts
- Laboratory of Microbiology, Department of Biochemistry and Microbiology, Gent University, K.L. Ledeganckstraat 35, B-9000 Gent, Belgium
| | - Omar El Farricha
- Laboratoire de Biotechnologie Microbienne, Faculté des Sciences et Techniques de Fès-Saïs, B.P. 2202, Route d'Imouzzer, Fez, Morocco
| | - Peter Vandamme
- Laboratory of Microbiology, Department of Biochemistry and Microbiology, Gent University, K.L. Ledeganckstraat 35, B-9000 Gent, Belgium
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Haarstad AC, Eisenschenk MC, Heinrich NA, Weese JS, McKeever PJ. Isolation of bacterial skin flora of healthy sheep, with comparison between frequent and minimal human handling. Vet Dermatol 2014; 25:215-e56. [DOI: 10.1111/vde.12126] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/18/2014] [Indexed: 11/30/2022]
Affiliation(s)
- Amy C. Haarstad
- McKeever Dermatology Clinics; 7723 Flying Cloud Drive Eden Prairie MN 55344 USA
| | | | - Nicole A. Heinrich
- McKeever Dermatology Clinics; 7723 Flying Cloud Drive Eden Prairie MN 55344 USA
| | - J. Scott Weese
- Department of Pathobiology; Ontario Veterinary College; University of Guelph; Guelph ON Canada N1G 2W1
| | - Patrick J. McKeever
- McKeever Dermatology Clinics; 7723 Flying Cloud Drive Eden Prairie MN 55344 USA
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12
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Hogg RA, Wessels ME, Koylass MS, Whatmore AM, Hunt B. Porcine abortion due to infection with Actinomyces hyovaginalis. Vet Rec 2012; 170:127. [PMID: 22141111 DOI: 10.1136/vr.100427] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- R A Hogg
- Animal Health and Veterinary Laboratories Agency, Regional Laboratory, Barton Hall, Garstang Road, Barton, Preston, Lancashire, PR3 5HE, UK.
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Vela AI, Sánchez V, Mentaberre G, Lavín S, Domínguez L, Fernández-Garayzábal JF. Streptococcus porcorum sp. nov., isolated from domestic and wild pigs. Int J Syst Evol Microbiol 2011; 61:1585-1589. [DOI: 10.1099/ijs.0.022657-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Seven isolates of an unidentified Gram-stain-positive, catalase-negative, coccus-shaped organism isolated from domestic and wild pigs were characterized by phenotypic and molecular-genetic methods. Based on cellular morphology and biochemical criteria, the isolates were tentatively assigned to the genus Streptococcus, although the organisms did not appear to correspond to any recognized species. Comparative 16S rRNA gene sequencing showed that the unknown bacterium was phylogenetically closely related to, but distinct from, Streptococcus suis (97.5 % 16S rRNA gene sequence similarity to the type strain). rpoB and sodA sequence analysis showed minimum interspecies divergence from phylogenetically close 16S rRNA gene sequence-based relatives of 13.8 and 18.6 %, respectively. DNA–DNA hybridization of a strain of the unidentified organism demonstrated 8–18 % reassociation with S. suis NCTC 10234T. The novel bacterium could be distinguished from S. suis and other Streptococcus species using biochemical tests. On the basis of phenotypic and phylogenetic evidence, it is proposed that the unknown isolates from domestic and wild animals be assigned to a novel species of the genus Streptococcus, Streptococcus porcorum sp. nov. The type strain is 682-03T ( = CCUG 58479T = CECT 7593T).
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Affiliation(s)
- A. I. Vela
- Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad Complutense, 28040 Madrid, Spain
- Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Universidad Complutense, 28040 Madrid, Spain
| | - V. Sánchez
- Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Universidad Complutense, 28040 Madrid, Spain
| | - G. Mentaberre
- Departament Medicina i Cirurgia Animal, Facultat Veterinària, UAB, Bellaterra, 08193 Barcelona, Spain
| | - S. Lavín
- Departament Medicina i Cirurgia Animal, Facultat Veterinària, UAB, Bellaterra, 08193 Barcelona, Spain
| | - L. Domínguez
- Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Universidad Complutense, 28040 Madrid, Spain
| | - J. F. Fernández-Garayzábal
- Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad Complutense, 28040 Madrid, Spain
- Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Universidad Complutense, 28040 Madrid, Spain
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Schumacher VL, Hinckley L, Gilbert K, Risatti GR, Londoño AS, Smyth JA. Actinomyces hyovaginalis-associated lymphadenitis in a Nubian goat. J Vet Diagn Invest 2009; 21:380-4. [PMID: 19407095 DOI: 10.1177/104063870902100315] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
A 6-year-old Nubian goat with a history of progressive weight loss and cough was presented for necropsy. The goat tested negative for antibodies to caseous lymphadenitis and caprine arthritis and encephalitis by hemagglutination inhibition assay and enzyme-linked immunosorbent assay, respectively. Postmortem examination revealed marked enlargement and, with histopathology, a fibrinopurulent necrotizing lymphadenitis of a tracheobronchial lymph node, with an appearance similar to that reported in cases of caseous lymphadenitis. An organism characterized by molecular methods as Actinomyces hyovaginalis was isolated together with Staphylococcus spp. and Streptococcus spp. from the lesion. No Corynebacterium pseudotuberculosis was recovered. To the authors' knowledge, this is the first isolation of A. hyovaginalis from a goat. Although the exact contribution of A. hyovaginalis to the lesion remains to be established, this case demonstrates that A. hyovaginalis should be considered in cases of caseous lymphadenitis-type lesions, especially when C. pseudotuberculosis has been excluded.
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Affiliation(s)
- Vanessa L Schumacher
- Connecticut Veterinary Medical Diagnostic Laboratory, Department of Pathobiology and Veterinary Science, University of Connecticut, Storrs, CT 06269, USA.
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15
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Vela AI, Casamayor A, Sanchez del Rey V, Dominguez L, Fernandez-Garayzabal JF. Streptococcus plurextorum sp. nov., isolated from pigs. Int J Syst Evol Microbiol 2009; 59:504-8. [DOI: 10.1099/ijs.0.65636-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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16
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Gouletsou P, Fthenakis G, Tzora A, Cripps P, Saratsis P. Isolation of Arcanobacterium pyogenes from the scrotal skin and the prepuce of healthy rams or from rams with testicular abnormalities. Small Rumin Res 2006. [DOI: 10.1016/j.smallrumres.2005.01.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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17
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Lawson PA, Foster G, Falsen E, Collins MD. Streptococcus marimammalium sp. nov., isolated from seals. Int J Syst Evol Microbiol 2005; 55:271-274. [PMID: 15653886 DOI: 10.1099/ijs.0.63342-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Two strains of an unidentified, Gram-positive, catalase-negative, chain-forming, coccus-shaped organism recovered from seals were characterized using phenotypic and molecular taxonomic methods. Based on morphological and biochemical criteria the strains were tentatively identified as streptococci but they did not appear to correspond to any recognized species of the genus Streptococcus. Comparative 16S rRNA gene sequencing studies showed that the strains were closely related to each other and confirmed their placement in the genus Streptococcus. Sequence divergence values of >5 % with reference streptococcal species demonstrated the organisms from seals represent a novel species. SDS-PAGE analysis of whole-cell proteins confirmed that the two organisms were closely related to each other but were different from all currently defined streptococcal species. Based on biochemical criteria, molecular chemical and molecular genetic evidence, it is proposed that the unknown isolates from seals be assigned to a novel species of the genus Streptococcus, Streptococcus marimammalium sp. nov. The type strain is M54/01/1T (=CCUG 48494T=CIP 108309T).
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Affiliation(s)
- Paul A Lawson
- School of Food Biosciences, University of Reading, PO Box 226, Reading RG6 6AP, UK
| | - Geoffrey Foster
- SAC Veterinary Services, Drummondhill, Stratherrick Road, Inverness IV2 4JZ, UK
| | - Enevold Falsen
- Culture Collection, Department of Clinical Bacteriology, University of Göteborg, Guldhedsg 10, S-413 46 Göteborg, Sweden
| | - Matthew D Collins
- School of Food Biosciences, University of Reading, PO Box 226, Reading RG6 6AP, UK
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18
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Vancanneyt M, Devriese LA, De Graef EM, Baele M, Lefebvre K, Snauwaert C, Vandamme P, Swings J, Haesebrouck F. Streptococcus minor sp. nov., from faecal samples and tonsils of domestic animals. Int J Syst Evol Microbiol 2004; 54:449-452. [PMID: 15023958 DOI: 10.1099/ijs.0.02818-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Nine isolates, which were obtained from tonsils, anal swabs and faeces of dogs and from tonsils of a cat and a calf, constituted a homogeneous but unidentified taxon after screening with tRNA intergenic length polymorphism analysis and whole-cell protein fingerprinting. 16S rDNA sequence analysis classified representative strains in the genus Streptococcus. Highest sequence similarity (95·9 %) was obtained with Streptococcus ovis. Growth characteristics, biochemical features, DNA–DNA hybridization and DNA G+C contents of selected strains demonstrated that they represent a single, novel streptococcal species. The name Streptococcus minor sp. nov. is proposed for the novel species; the type strain (ON59T=LMG 21734T=CCUG 47487T) was isolated from a dog tonsil.
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Affiliation(s)
- M Vancanneyt
- BCCM/LMG Bacteria Collection, Faculty of Sciences, Ghent University, Ledeganckstraat 35, B 9000 Ghent, Belgium
| | - L A Devriese
- Laboratory of Veterinary Bacteriology and Mycology, Ghent University, Salisburylaan 133, B 9820 Merelbeke, Belgium
| | - E M De Graef
- Laboratory of Veterinary Bacteriology and Mycology, Ghent University, Salisburylaan 133, B 9820 Merelbeke, Belgium
| | - M Baele
- Laboratory of Veterinary Bacteriology and Mycology, Ghent University, Salisburylaan 133, B 9820 Merelbeke, Belgium
| | - K Lefebvre
- BCCM/LMG Bacteria Collection, Faculty of Sciences, Ghent University, Ledeganckstraat 35, B 9000 Ghent, Belgium
| | - C Snauwaert
- BCCM/LMG Bacteria Collection, Faculty of Sciences, Ghent University, Ledeganckstraat 35, B 9000 Ghent, Belgium
| | - P Vandamme
- Laboratory of Microbiology, Faculty of Sciences, Ghent University, Ledeganckstraat 35, B 9000 Ghent, Belgium
| | - J Swings
- Laboratory of Microbiology, Faculty of Sciences, Ghent University, Ledeganckstraat 35, B 9000 Ghent, Belgium
- BCCM/LMG Bacteria Collection, Faculty of Sciences, Ghent University, Ledeganckstraat 35, B 9000 Ghent, Belgium
| | - F Haesebrouck
- Laboratory of Veterinary Bacteriology and Mycology, Ghent University, Salisburylaan 133, B 9820 Merelbeke, Belgium
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Abstract
Since the division of the Streptococcus genus into enterococci, lactococci, and streptococci in 1984, many changes in the nomenclature and taxonomy of the Streptococcus genus have taken place. The application of genetic comparisons has improved the proper classification of the different species. The Lancefield system of serogrouping the streptococci by the expression of beta-hemolysis on blood agar plates is still very useful for the identification of streptococci for patient management. The Lancefield grouping system cannot be used in itself for accurate identification of specific beta-hemolytic species, but it can be a useful part of the identification procedure. Except for identification of the "Streptococcus bovis group" of species and Streptococcus suis, Lancefield grouping is of little value in identification of the non-beta-hemolytic streptococci and related genera. In fact, identification of the non-beta-hemolytic species is problematic for conventional as well as commercially available identification procedures. A combination of conventional tests and specific chromogenic tests suggested by several investigators is presented and discussed. Tables are included that suggest tests and procedures to guide investigators attempting to identify all the species.
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Affiliation(s)
- Richard Facklam
- Streptococcus Laboratory, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA.
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