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Lawhon SD, Burbick CR, Munson E, Thelen E, Zapp A, Wilson A. Update on novel validly published taxa of bacteria isolated from domestic animals described in 2022. J Clin Microbiol 2023; 61:e0083923. [PMID: 37889054 PMCID: PMC10729710 DOI: 10.1128/jcm.00839-23] [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] [Indexed: 10/28/2023] Open
Abstract
Expansion of our knowledge of the microbial world continues to progress at a rapid rate and carries with it an associated need for recognizing and understanding the implications of those changes. Here, we describe additions of novel taxa from domestic animals published in 2022 that are validly published per the International Code of Nomenclature of Prokaryotes. These included new members of Staphylococcaceae, Moraxella nasovis sp. nov. in sheep with respiratory disease, three additions to Campylobacteraceae (including one from chickens with spotty liver disease), and multiple additions of organisms from the microbiota of dogs, pigs, and especially honeybees and other important pollinators. Noteworthy additions were associated with diseases of cattle, including mastitis, endocarditis, orchitis, and endometritis. Also described in 2022 was Pseudochrobactrum algeriense sp. nov., a member of the Brucellaceae family, isolated from the mammary lymph nodes of cows.
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Affiliation(s)
- Sara D. Lawhon
- Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas, USA
| | - Claire R. Burbick
- Department of Veterinary Microbiology and Pathology, Washington State University, Pullman, Washington, USA
| | - Erik Munson
- Department of Medical Laboratory Science, Marquette University, Milwaukee, Wisconsin, USA
| | - Elizabeth Thelen
- Department of Medical Laboratory Science, Marquette University, Milwaukee, Wisconsin, USA
| | - Amanda Zapp
- Department of Medical Laboratory Science, Marquette University, Milwaukee, Wisconsin, USA
| | - Anastasia Wilson
- Department of Medical Laboratory Science, Marquette University, Milwaukee, Wisconsin, USA
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An Update on Novel Taxa and Revised Taxonomic Status of Bacteria Isolated from Domestic Animals Described in 2018 to 2021. J Clin Microbiol 2023; 61:e0028122. [PMID: 36533907 PMCID: PMC9945509 DOI: 10.1128/jcm.00281-22] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Novel bacterial taxonomy and nomenclature revisions can have significant impacts on clinical practice, disease epidemiology, and veterinary microbiology laboratory operations. Expansion of research on the microbiota of humans, animals, and insects has significant potential impacts on the taxonomy of organisms of clinical interest. Implications of taxonomic changes may be especially important when considering zoonotic diseases. Here, we address novel taxonomy and nomenclature revisions of veterinary significance. Noteworthy discussion centers around descriptions of novel mastitis pathogens in Streptococcaceae, Staphylococcaceae, and Actinomycetaceae; bovine reproductive tract pathogens in Corynebacteriaceae; novel members of Mannheimia spp., Leptospira spp., and Mycobacterium spp.; the transfer of Ochrobactrum spp. to Brucella spp.; and revisions to the genus Mycoplasma.
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Update on Novel Taxa and Revised Taxonomic Status of Bacteria Isolated from Nondomestic Animals Described in 2018 to 2021. J Clin Microbiol 2023; 61:e0142522. [PMID: 36533958 PMCID: PMC9945507 DOI: 10.1128/jcm.01425-22] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Revisions and new additions to bacterial taxonomy can have a significant widespread impact on clinical practice, infectious disease epidemiology, veterinary microbiology laboratory operations, and wildlife conservation efforts. The expansion of genome sequencing technologies has revolutionized our knowledge of the microbiota of humans, animals, and insects. Here, we address novel taxonomy and nomenclature revisions of veterinary significance that impact bacteria isolated from nondomestic wildlife, with emphasis being placed on bacteria that are associated with disease in their hosts or were isolated from host animal species that are culturally significant, are a target of conservation efforts, or serve as reservoirs for human pathogens.
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An Update on Novel Taxa and Revised Taxonomic Status of Bacteria (Including Members of the Phylum Planctomycetota) Isolated from Aquatic Host Species Described in 2018 to 2021. J Clin Microbiol 2023; 61:e0142622. [PMID: 36719221 PMCID: PMC9945501 DOI: 10.1128/jcm.01426-22] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Increased interest in farmed aquatic species, aquatic conservation measures, and microbial metabolic end-product utilization have translated into a need for awareness and recognition of novel microbial species and revisions to bacterial taxonomy. Because this need has largely been unmet, through a 4-year literature review, we present lists of novel and revised bacterial species (including members of the phylum Planctomycetota) derived from aquatic hosts that can serve as a baseline for future biennial summaries of taxonomic revisions in this field. Most new and revised taxa were noted within oxidase-positive and/or nonglucose fermentative Gram-negative bacilli, including members of the Tenacibaculum, Flavobacterium, and Vibrio genera. Valid and effectively published novel members of the Streptococcus, Erysipelothrix, and Photobacterium genera are additionally described from disease pathogenesis perspectives.
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Lawson PA, Saavedra Perez L, Sankaranarayanan K. Reclassification of Clostridium cocleatum, Clostridium ramosum, Clostridium spiroforme and Clostridium saccharogumia as Thomasclavelia cocleata gen. nov., comb. nov., Thomasclavelia ramosa comb. nov., gen. nov., Thomasclavelia spiroformis comb. nov. and Thomasclavelia saccharogumia comb. nov. Int J Syst Evol Microbiol 2023; 73. [PMID: 36748617 DOI: 10.1099/ijsem.0.005694] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
The genus Clostridium is phenotypically and genotypically diverse, with many species phylogenetically located outside Clostridium sensu stricto. One such group consists of the species Clostridium cocleatum, Clostridium ramosum, Clostridium spiroforme and Clostridium saccharogumia (formally clostridial rRNA cluster XVIII) [1]. Sequencing of the 16S rRNA and, more recently, the results of genomic analyses have demonstrated that these species represent a coherent cluster separated from other closely related genera located in the family Coprobacillaceae within the order Erysipelotrichales [2]. In addition to phenotypic, phylogenetic and genomic comparisons, chemotaxonomic features were consistent between all four species, the predominant fatty acids were C16 : 0 and C18 : 1ω9c, while glucose and ribose were the whole cell sugars present in the cell walls. Furthermore, he results of peptidoglycan analysis indicated that meso-2,6-diaminopimelic acid was present as the diagnostic diamino acid in all four species. Biochemical profiles were also concordant with them being closely related species. Therefore, on the basis of phylogenetic, genomic, phenotypic and chemotaxonomic information, a novel genus, Thomasclavelia gen. nov., is proposed. It is suggested that Clostridium cocleatum, Clostridium ramosum, Clostridium spiroforme and Clostridium saccharogumia be transferred to this genus as Thomasclavelia cocleata comb. nov., Thomasclavelia ramosa comb. nov., Thomasclavelia saccharogumia comb. nov. and Thomasclavelia spiroformis comb. nov. The type species of the genus is Thomasclavelia ramosa CCUG 24038T (=ATCC 25582T=DSM 1402T).
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Affiliation(s)
- Paul A Lawson
- Department of Microbiology and Plant Biology, University of Oklahoma, Norman, OK 73019, USA
| | - Liz Saavedra Perez
- Department of Microbiology and Plant Biology, University of Oklahoma, Norman, OK 73019, USA.,Present address: Molecular & Biomedical Sciences, University of Maine, 5735 Hitchner Hall, Orono, Maine 04469-5735, USA
| | - Krithivasan Sankaranarayanan
- Department of Microbiology and Plant Biology, University of Oklahoma, Norman, OK 73019, USA.,Laboratories of Molecular Anthropology and Microbiome Research, University of Oklahoma, Norman, OK 73019, USA
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Update on Accepted Novel Bacterial Isolates Derived from Human Clinical Specimens and Taxonomic Revisions Published in 2020 and 2021. J Clin Microbiol 2023; 61:e0028222. [PMID: 36533910 PMCID: PMC9879126 DOI: 10.1128/jcm.00282-22] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
A number of factors, including microbiome analyses and the increased utilization of whole-genome sequencing in the clinical microbiology laboratory, has contributed to the explosion of novel prokaryotic species discovery, as well as bacterial taxonomy revision. This review attempts to summarize such changes relative to human clinical specimens that occurred in 2020 and 2021, per primary publication in the International Journal of Systematic and Evolutionary Microbiology or acceptance on Validation Lists published by the International Journal of Systematic and Evolutionary Microbiology. Of particular significance among valid and effectively published taxa within the past 2 years were novel Corynebacterium spp., coagulase-positive staphylococci, Pandoraea spp., and members of family Yersiniaceae. Noteworthy taxonomic revisions include those within the Bacillus and Lactobacillus genera, family Staphylococcaceae (including unifications of subspecies designations to species level taxa), Elizabethkingia spp., and former members of Clostridium spp. and Bacteroides spp. Revisions within the Brucella genus have the potential to cause deleterious effects unless the relevance of such changes is properly communicated by microbiologists to stakeholders in clinical practice, infection prevention, and public health.
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Corrigendum: Correction to Validation Lists. Int J Syst Evol Microbiol 2022; 71. [DOI: 10.1099/ijsem.0.005161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Koutsoumanis K, Allende A, Alvarez‐Ordóñez A, Bolton D, Bover‐Cid S, Chemaly M, Davies R, De Cesare A, Hilbert F, Lindqvist R, Nauta M, Peixe L, Ru G, Simmons M, Skandamis P, Suffredini E, Cocconcelli PS, Fernández Escámez PS, Prieto‐Maradona M, Querol A, Sijtsma L, Evaristo Suarez J, Sundh I, Vlak J, Barizzone F, Hempen M, Herman L. Update of the list of QPS-recommended biological agents intentionally added to food or feed as notified to EFSA 15: suitability of taxonomic units notified to EFSA until September 2021. EFSA J 2022; 20:e07045. [PMID: 35126735 PMCID: PMC8792879 DOI: 10.2903/j.efsa.2022.7045] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The qualified presumption of safety (QPS) approach was developed to provide a generic pre-evaluation of the safety of biological agents. The QPS approach is based on an assessment of published data for each agent, with respect to its taxonomic identity, the body of relevant knowledge and safety concerns. Safety concerns are, where possible, confirmed at the species/strain or product level and reflected by 'qualifications'. The QPS list was updated in relation to the revised taxonomy of the genus Bacillus, to synonyms of yeast species and for the qualifications 'absence of resistance to antimycotics' and 'only for production purposes'. Lactobacillus cellobiosus has been reclassified as Limosilactobacillus fermentum. In the period covered by this statement, no new information was found that would change the status of previously recommended QPS taxonomic units (TU)s. Of the 70 microorganisms notified to EFSA, 64 were not evaluated: 11 filamentous fungi, one oomycete, one Clostridium butyricum, one Enterococcus faecium, five Escherichia coli, one Streptomyces sp., one Bacillus nakamurai and 43 TUs that already had a QPS status. Six notifications, corresponding to six TUs were evaluated: Paenibacillus lentus was reassessed because an update was requested for the current mandate. Enterococcus lactis synonym Enterococcus xinjiangensis, Aurantiochytrium mangrovei synonym Schizochytrium mangrovei, Schizochytrium aggregatum, Chlamydomonas reinhardtii synonym Chlamydomonas smithii and Haematococcus lacustris synonym Haematococcus pluvialis were assessed for the first time. The following TUs were not recommended for QPS status: P. lentus due to a limited body of knowledge, E. lactis synonym E. xinjiangensis due to potential safety concerns, A. mangrovei synonym S. mangrovei, S. aggregatum and C. reinhardtii synonym C. smithii, due to lack of a body of knowledge on its occurrence in the food and feed chain. H. lacustris synonym H. pluvialis is recommended for QPS status with the qualification 'for production purposes only'.
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Abstract
The remarkable success of taxonomic discovery, powered by culturomics, genomics and metagenomics, creates a pressing need for new bacterial names while holding a mirror up to the slow pace of change in bacterial nomenclature. Here, I take a fresh look at bacterial nomenclature, exploring how we might create a system fit for the age of genomics, playing to the strengths of current practice while minimizing difficulties. Adoption of linguistic pragmatism-obeying the rules while treating recommendations as merely optional-will make it easier to create names derived from descriptions, from people or places or even arbitrarily. Simpler protologues and a relaxed approach to recommendations will also remove much of the need for expert linguistic quality control. Automated computer-based approaches will allow names to be created en masse before they are needed while also relieving microbiologists of the need for competence in Latin. The result will be a system that is accessible, inclusive and digital, while also fully capable of naming the unnamed millions of bacteria.
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Affiliation(s)
- M.J. Pallen
- Quadram Institute Bioscience, Norwich Research Park, Norwich, UK
- Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich, UK
- School of Veterinary Medicine, University of Surrey, Guildford, Surrey, UK
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Levett PN, Picardeau M. International Committee on Systematics of Prokaryotes Subcommittee on the taxonomy of Leptospiraceae Minutes of the closed meeting, 10 July 2019, Vancouver, British Columbia, Canada. Int J Syst Evol Microbiol 2021; 71. [PMID: 34424834 DOI: 10.1099/ijsem.0.005002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Paul N Levett
- BC Centre for Disease Control Public Health Laboratory, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
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de Lajudie P, Mousavi SA, Young JPW. International Committee on Systematics of Prokaryotes Subcommittee on the Taxonomy of Rhizobia and Agrobacteria Minutes of the closed meeting by videoconference, 6 July 2020. Int J Syst Evol Microbiol 2021; 71:004784. [PMID: 33956594 PMCID: PMC8289204 DOI: 10.1099/ijsem.0.004784] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 03/20/2021] [Indexed: 02/04/2023] Open
Affiliation(s)
- Philippe de Lajudie
- IRD, University of Montpellier, CIRAD, INRAE, SupAgro, LSTM, Montpellier, France
| | - Seyed Abdollah Mousavi
- Ecosystems and Environment Research Programme, University of Helsinki, Finland
- Department of Biology, University of Turku, Finland
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Casanovas-Massana A, Vincent AT, Bourhy P, Neela VK, Veyrier FJ, Picardeau M, Wunder EA. Leptospira dzianensis and Leptospira putramalaysiae are later heterotypic synonyms of Leptospira yasudae and Leptospira stimsonii. Int J Syst Evol Microbiol 2021; 71. [PMID: 33620308 DOI: 10.1099/ijsem.0.004713] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Leptospira dzianensis and Leptospira putramalaysiae were recently described as novel species and published almost concurrently with Leptospira yasudae and Leptospira stimsonii. Genome comparisons based on average nucleotide identity of the type strain genomes indicate that L. dzianensis and L. putramalaysiae are conspecific with L. yasudae and L. stimsonii, respectively. Based on the rules of priority, L. dzianensis should be reclassified as a later heterotypic synonym of L. yasudae, and L. putramalaysiae should be reclassified as a later heterotypic synonym of L. stimsonii.
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Affiliation(s)
- Arnau Casanovas-Massana
- Department of Epidemiology of Microbial Diseases, Yale School of Public Health; New Haven, CT, 06510, USA
| | - Antony T Vincent
- INRS-Institut Armand-Frappier, Bacterial Symbionts Evolution, Laval, Quebec, Canada
| | - Pascale Bourhy
- Institut Pasteur, Biology of Spirochetes Unit, Paris, 75015, France
| | - Vasantha Kumari Neela
- Department of Medical Microbiology and Parasitology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400, SerdangSelangor, Malaysia
| | - Frederic J Veyrier
- INRS-Institut Armand-Frappier, Bacterial Symbionts Evolution, Laval, Quebec, Canada
| | | | - Elsio A Wunder
- Department of Epidemiology of Microbial Diseases, Yale School of Public Health; New Haven, CT, 06510, USA.,Gonçalo Moniz Institute, Oswaldo Cruz Foundation, Brazilian Ministry of Health, Salvador BA, 40296-710, Brazil
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