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来自犬类 pyometra 的 Chryseomicrobium imtechense 的基因组和表型表征
Mariana Costa Torres1,2, Laura Cadó Nemitz1, Maria Eduarda Rocha Jacques da Silva1,2
1Veterinary Bacteriology Laboratory (LaBacVet), Faculty of Veterinary Medicine, Federal University of Rio Grande do Sul, Av. Bento Gonçalves, 9090, Prédio 42704, Bairro Agronomia, Porto Alegre, Rio Grande do Sul, 91540-000, Brazil.
概括
这项研究确定了Chryseomicrobium imtechense LBV029/19作为一种犬类pyometra病原体. 这种细菌表现出抗微生物耐药性和生物膜形成,其基因组显示出毒性和耐药性基因.
科学领域:
- 兽医微生物学 兽医微生物学
- 基因组学就是基因组学.
- 抗微生物耐药性 抗微生物耐药性
背景情况:
- 在环境样本中通常会发现Chryseomicrobium imtechense.
- 狗皮奥美特拉是一种严重的子宫感染,其致病原体需要彻底调查.
研究的目的:
- 为了描述从犬类pyometra中分离出来的Chryseomicrobium imtechense LBV029/19的毒性和抗微生物耐药性概况.
- 执行该菌株的全基因组测序和分析,以了解其致病潜力.
主要方法:
- 细菌分离从犬类皮奥米特拉,通过生物化学测试进行鉴定,MALDI-TOF MS和16S-rDNA测序.
- 抗微生物敏感性测试,体外生物膜形成测试.
- 使用Illumina MiSeq进行全基因组测序,基因组表征和遗传学分析.
主要成果:
- 证实C. imtechense LBV029/19菌株是犬类pyometra.的致病原体.
- 这种细菌表现出显著的生物膜形成和对新生物素,氧胺和红素的耐药性.
- 基因组分析揭示了四环素,诺基诺,β-乳糖耐药性,多药耐药性和毒性因子 (生物膜,运动性,胞) 的基因.
结论:
- C. imtechense LBV029/19菌株具有毒性和抗微生物耐药性,表明其作为动物传染病的主要病原体的潜力.
- 这项研究为C. imtechense提供了第一个可用的基因组序列,有助于了解其生物学和疾病发病因子.
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