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Embolic necrosuppurative pneumonia in domestic cats induced by a novel Neisseria species

Bolt, Christopher R ; Singh, Vikash K ; Wünschmann, Arno ; Richards, Hallie C ; Gehlhaus, Kelly L ; Mor, Sunil K

Veterinary pathology, 2024-03, p.3009858241235392-3009858241235392 [Periódico revisado por pares]

United States

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  • Título:
    Embolic necrosuppurative pneumonia in domestic cats induced by a novel Neisseria species
  • Autor: Bolt, Christopher R ; Singh, Vikash K ; Wünschmann, Arno ; Richards, Hallie C ; Gehlhaus, Kelly L ; Mor, Sunil K
  • É parte de: Veterinary pathology, 2024-03, p.3009858241235392-3009858241235392
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: Three cats, aged 2 to 11 years, presented to the University of Minnesota Veterinary Diagnostic Laboratory over a 3-year period following euthanasia or death due to respiratory distress. Thoracic radiographs revealed nodular, soft tissue opacities throughout the lung fields in all cases. On postmortem examination, approximately 60% to 80% of the lung parenchyma were expanded by multifocal to coalescing, well-demarcated, beige, semi-firm nodules. Histologically, large numbers of neutrophils, fewer macrophages, fibrin, and cellular and karyorrhectic debris effaced the pulmonary parenchyma. The inflammatory foci contained aggregates of gram-negative cocci. Sanger sequencing and whole-genome sequencing identified the bacteria isolated from the lung of all cats under aerobic conditions as a novel spp. Based on whole-genome sequence analysis, all 3 sequences shared 92.71% and 92.67% average nucleotide identity with closely related NZ LR134440T and GCA 002108605T, respectively. The in silico DNA-DNA hybridization identity compared to our isolates was 46.6% and 33.8% with and 21643, respectively. All 3 sequences have less than 95% average nucleotide identity and less than 70% DNA-DNA hybridization identity, suggesting that the 3 isolates are a novel species of the genus . Infection with spp. induces an embolic pneumonia in cats that radiographically and pathologically resembles a metastatic neoplastic process and should be considered among the etiologic differential diagnoses in cases of infectious pulmonary disease with a disseminated, nodular lung pattern.
  • Editor: United States
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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