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Bechtold V, Petzl W, Huber-Schlenstedt R, Gangl A, Sorge US. Antimicrobial resistance of Streptococcus dysgalactiae, Streptococcus agalactiae, and Streptococcus canis in quarter milk samples from Bavaria, Southern Germany, between 2012 and 2022. J Dairy Sci 2024:S0022-0302(24)00840-3. [PMID: 38825124 DOI: 10.3168/jds.2023-24555] [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: 12/16/2023] [Accepted: 05/03/2024] [Indexed: 06/04/2024]
Abstract
The objective of this study was to analyze the in vitro antimicrobial resistance (AMR) of Streptococcus (Sc.) dysgalactiae, Sc. agalactiae, and Sc. canis over a 10-year period from 2012 to 2022 against the most commonly used antimicrobial agents. For this purpose, all quarter milk samples (QMS) submitted to the milk laboratory of the Bavarian Animal Health Service (TGD) were analyzed. Each QMS was tested using the California Mastitis Test (CMT) and categorized as negative (N), subclinical (S), or clinical (C) mastitis if the milk character was abnormal. Samples with Sc. dysgalactiae, Sc. agalactiae, or Sc. canis were included and a subset of isolates were further tested for in vitro antimicrobial resistance by breakpoint analysis with broth microdilution. Sc. dysgalactiae (61%, n = 65,750) was the most abundant pathogen among those 3 species, followed by Sc. agalactiae (28%, n = 30,486), and Sc. canis (11%, n = 11,336). All 3 species showed the highest resistance to the same 4 antimicrobial agents: erythromycin, marbofloxacin, pirlimycin, and cefalexin/kanamycin with varying degrees of resistance. Throughout the study period, Sc. dysgalactiae, Sc. agalactiae, and Sc. canis were largely susceptible to the remaining antimicrobial agents tested (penicillin, amoxicillin-clavulanate, oxacillin, cefazolin, cefoperazone, cefquinome). Only less than 14% of isolates of Sc. dysgalactiae and Sc. canis were resistant against any of the antimicrobials tested. Sc. agalactiae was the species with the highest percentage of resistant isolates. While the percentage of resistant isolates from Sc. canis and Sc. dysgalactiae decreased, the percentage of resistant Sc. agalactiae isolates increased since 2017. In summary, most isolates were not resistant to the most commonly used antimicrobial agents for mastitis therapy, including β-lactam antibiotics and penicillin should remain the first-choice therapy against streptococcal mastitis.
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Affiliation(s)
- V Bechtold
- Department of Udder Health and Milk Quality, Bavarian Animal Health Services, 85586 Poing, Germany; Clinic for Ruminants with Ambulatory and Herd Health Services, Centre for Clinical Veterinary Medicine, Ludwig Maximilians University Munich, 85764 Oberschleissheim, Germany.
| | - W Petzl
- Clinic for Ruminants with Ambulatory and Herd Health Services, Centre for Clinical Veterinary Medicine, Ludwig Maximilians University Munich, 85764 Oberschleissheim, Germany
| | - R Huber-Schlenstedt
- Department of Udder Health and Milk Quality, Bavarian Animal Health Services, 85586 Poing, Germany
| | - A Gangl
- Department of Udder Health and Milk Quality, Bavarian Animal Health Services, 85586 Poing, Germany
| | - U S Sorge
- Department of Udder Health and Milk Quality, Bavarian Animal Health Services, 85586 Poing, Germany
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Costinar L, Badea C, Marcu A, Pascu C, Herman V. Multiple Drug Resistant Streptococcus Strains-An Actual Problem in Pig Farms in Western Romania. Antibiotics (Basel) 2024; 13:277. [PMID: 38534712 DOI: 10.3390/antibiotics13030277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 03/17/2024] [Accepted: 03/18/2024] [Indexed: 03/28/2024] Open
Abstract
Streptococci are a type of bacteria that can cause severe illnesses in humans and animals. Some typical species like S. suis, or atypical species like S. porcinus and, S. dysgalactiae subsp. dysgalactiae, can cause infections like septicemia, meningitis, endocarditis, arthritis, and septic shock. S. suis is considered a newly emerging zoonotic pathogen. Although human streptococcal infection outbreaks are rare, it is appropriate to review the main streptococcal species isolated in pig farms in western Romania, due to the high degree of antibiotic resistance among most isolates commonly used in human treatment. This study examines the resistance patterns of these isolates over 5 years (2018-2023). The research investigated the antimicrobial susceptibility of 267 strains of Streptococcus spp. isolated from pigs, primarily from lung and brain tissues. This report is the first to describe the distribution of atypical Streptococcus species (SDSE, S. porcinus, S. hyovaginalis, S. pluranimalium, S. canis) in Romania, as well as the antibiotic resistance profile of these potentially zoonotic species. It is important to re-evaluate and consider the high rates of resistance of S. suis to tetracyclines, lincosamides, macrolides, and aminoglycosides, as well as the high recovery rates of S. suis from the lungs and brain when treating swine diseases.
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Affiliation(s)
- Luminita Costinar
- Department of Infectious Diseases and Preventive Medicine, Faculty of Veterinary Medicine, University of Life Sciences "King Mihai I", 300645 Timisoara, Romania
| | - Corina Badea
- Department of Infectious Diseases and Preventive Medicine, Faculty of Veterinary Medicine, University of Life Sciences "King Mihai I", 300645 Timisoara, Romania
| | - Adela Marcu
- Department of Animal Production Engineering, Faculty of Bioengineering of Animal Recourses, University of Life Science "King Mihai I", 300645 Timișoara, Romania
| | - Corina Pascu
- Department of Infectious Diseases and Preventive Medicine, Faculty of Veterinary Medicine, University of Life Sciences "King Mihai I", 300645 Timisoara, Romania
| | - Viorel Herman
- Department of Infectious Diseases and Preventive Medicine, Faculty of Veterinary Medicine, University of Life Sciences "King Mihai I", 300645 Timisoara, Romania
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Vecilla DF, Grande JR, Valcárcel NF, Toboso MCN, Gutiérrez MJU, Muro FEC, Ocampo-Sosa A, Díaz de Tuesta Del Arco JL. Two episodes of bacteremia of zoonotic origin caused by different Streptococcus canis isolates in the same patient within a time span of 1 year. Eur J Clin Microbiol Infect Dis 2024; 43:383-387. [PMID: 37996728 DOI: 10.1007/s10096-023-04718-2] [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: 04/28/2023] [Accepted: 11/15/2023] [Indexed: 11/25/2023]
Abstract
Two episodes of bacteremia of cutaneous origin in a female patient were caused by two unrelated Streptococcus canis isolates within 1-year interval between the two infection episodes. The most likelihood transmission route in both episodes was a dog pet that habitually licked patient´s legs. Isolates were characterised by antimicrobial susceptibility test and whole genome sequencing. They belonged to sequence type (ST) 40 and 43, respectively. The ST40 isolate harboured antimicrobial resistance genes aadE, ermB and tetO, displaying resistance to erythromycin, clindamycin and tetracyclines, while ST43 isolate did not presented any known antimicrobial resistance determinant and was susceptible to all antibiotics tested. S. canis infections are rare in human; however, attention is needed for patients at risk with companion animals.
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Affiliation(s)
- Domingo Fernández Vecilla
- Clinical Microbiology and Parasitology Department, Basurto University Hospital, Avenida Montevideo 18, 48013, Bilbao, Vizcaya, Spain
- Biocruces Bizkaia Health Research Institute, Cruces Plaza, 48903, Barakaldo, Vizcaya, Spain
| | - Jorge Rodríguez Grande
- Microbiology Service, University Hospital Marqués de Valdecilla, Health Research Institute Marqués de Valdecilla (IDIVAL), Av. Valdecilla S/N, 39008, Santander, Cantabria, Spain
| | - Nuria Fraile Valcárcel
- Microbiology Service, University Hospital Marqués de Valdecilla, Health Research Institute Marqués de Valdecilla (IDIVAL), Av. Valdecilla S/N, 39008, Santander, Cantabria, Spain
| | - María Carmen Nieto Toboso
- Clinical Microbiology and Parasitology Department, Basurto University Hospital, Avenida Montevideo 18, 48013, Bilbao, Vizcaya, Spain
- Biocruces Bizkaia Health Research Institute, Cruces Plaza, 48903, Barakaldo, Vizcaya, Spain
| | - Mikel Joseba Urrutikoetxea Gutiérrez
- Clinical Microbiology and Parasitology Department, Basurto University Hospital, Avenida Montevideo 18, 48013, Bilbao, Vizcaya, Spain
- Biocruces Bizkaia Health Research Institute, Cruces Plaza, 48903, Barakaldo, Vizcaya, Spain
| | - Felicitas Elena Calvo Muro
- Clinical Microbiology and Parasitology Department, Basurto University Hospital, Avenida Montevideo 18, 48013, Bilbao, Vizcaya, Spain
- Biocruces Bizkaia Health Research Institute, Cruces Plaza, 48903, Barakaldo, Vizcaya, Spain
| | - Alain Ocampo-Sosa
- Microbiology Service, University Hospital Marqués de Valdecilla, Health Research Institute Marqués de Valdecilla (IDIVAL), Av. Valdecilla S/N, 39008, Santander, Cantabria, Spain.
- CIBERINFEC, Health Institute Carlos III, Monforte de Lemos 5, 28029, Madrid, Spain.
| | - José Luis Díaz de Tuesta Del Arco
- Clinical Microbiology and Parasitology Department, Basurto University Hospital, Avenida Montevideo 18, 48013, Bilbao, Vizcaya, Spain
- Biocruces Bizkaia Health Research Institute, Cruces Plaza, 48903, Barakaldo, Vizcaya, Spain
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Streptococcus canis, the underdog of the genus. Vet Microbiol 2022; 273:109524. [DOI: 10.1016/j.vetmic.2022.109524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 06/29/2022] [Accepted: 07/28/2022] [Indexed: 11/23/2022]
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Kim JM, Fukushima Y, Yoshida H, Kim JS, Takahashi T. Comparative genomic features of Streptococcus canis based on the pan-genome orthologous group analysis according to sequence type. Jpn J Infect Dis 2021; 75:269-276. [PMID: 34588372 DOI: 10.7883/yoken.jjid.2021.533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Using bacterial pan-genome obtained through whole genome sequencing (WGS), coding DNA sequences (CDSs) can be clustered into pan-genome orthologous groups (POGs). We aimed to investigate comparative genomic features of Streptococcus canis based on POG analysis and to determine CDSs specific to prevalent sequence type (ST) 9. Twenty WGS datasets on S. canis strains from invasive and non-invasive specimens were retrieved from the National Center for Biotechnology Information Assembly database. Based on the WGS data, we performed comparative genome hybridization (CGH), pan- and core-genome prediction, Venn diagram test with five ST9 strains, and phylogenetic analysis, with ST determination. We compared the CDSs between seven ST9 and 13 non-ST9 strains. We observed genomic diversity based on CGH and Venn diagram. The predicted pan- and core-genomes contained 4,772 and 1,403 genes, respectively. We found five clades consisting of different STs (ST1, ST44/2, ST13/14, ST21/15/41, and ST9) based on phylogenetic tree. There were differences in four pathways (DNA restriction-modification system, DNA-mediated transposition, extracellular region, and response to oxidative stress) regulated by CDSs specific to ST9. Our findings describe genomic diversity in CGH and Venn diagram, pan- and core-genomes, five clades of genomes consisting of different STs, and unique CDS features associated to ST9.
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Affiliation(s)
- Jung-Min Kim
- Department of Laboratory Medicine, Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Republic of Korea
| | - Yasuto Fukushima
- Laboratory of Infectious Diseases, Graduate School of Infection Control Sciences & Ōmura Satoshi Memorial Institute, Kitasato University, Japan
| | - Haruno Yoshida
- Laboratory of Infectious Diseases, Graduate School of Infection Control Sciences & Ōmura Satoshi Memorial Institute, Kitasato University, Japan
| | - Jae-Seok Kim
- Department of Laboratory Medicine, Kangdong Sacred Heart Hospital, Hallym University College of Medicine, Republic of Korea
| | - Takashi Takahashi
- Laboratory of Infectious Diseases, Graduate School of Infection Control Sciences & Ōmura Satoshi Memorial Institute, Kitasato University, Japan
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