高多样性和新型铜绿假单胞菌噬菌体。
High diversity and novel species of Pseudomonas aeruginosa bacteriophages.
机构信息
Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), Mexico City, Mexico.
出版信息
Appl Environ Microbiol. 2012 Jun;78(12):4510-5. doi: 10.1128/AEM.00065-12. Epub 2012 Apr 13.
Abstract
The diversity of Pseudomonas aeruginosa bacteriophages was investigated using a collection of 68 phages isolated from Central Mexico. Most of the phages carried double-stranded DNA (dsDNA) genomes and were classified into 12 species. Comparison of the genomes of selected archetypal phages with extant sequences in GenBank resulted in the identification of six novel species. This finding increased the group diversity by ~30%. The great diversity of phage species could be related to the ubiquitous nature of P. aeruginosa.
摘要
本研究采用墨西哥中部分离的 68 株噬菌体对铜绿假单胞菌噬菌体的多样性进行了调查。大多数噬菌体携带双链 DNA(dsDNA)基因组，并被分为 12 个种。选择的典型噬菌体基因组与 GenBank 中现存序列的比较确定了 6 个新种。这一发现使该群体的多样性增加了约 30%。噬菌体种类的多样性可能与铜绿假单胞菌的普遍存在有关。
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