Clear distinction between Burkholderia mallei and Burkholderia pseudomallei using fluorescent motB primers

被引:4
作者
Schmoock, Gernot [1 ]
Elschner, Mandy [1 ,2 ]
Sprague, Lisa D. [1 ]
机构
[1] Bundesforsch Inst Tiergesundheit, Friedrich Loeffler Inst, DE-07743 Jena, Germany
[2] Bundesforsch Inst Tiergesundheit, Friedrich Loeffler Inst, Natl & OIE Reference Lab Glanders, DE-07743 Jena, Germany
关键词
Duplex PCR; Fluorescent primers; Burkholderia;
D O I
10.1186/s13028-015-0104-4
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
Background: A frame-shift mutation in the flagellum motor gene motB coding for the chemotaxis MotB protein of Burkholderia mallei has been utilized to design a conventional duplex PCR assay with fluorescent labelled primers. Findings: Species specificity was tested with a panel of 13 Burkholderia type strains. A total of 41 B. mallei field strains, 36 B. pseudomallei field strains, and 1 B. thailandensis field strain from different geographic regions were tested and correctly identified. Testing of 55 non-Burkholderia bacterial species revealed 100% specificity of the assay. The minimum detection limit was 1 pg DNA or 160 GE for B. mallei and 130 GE for B. pseudomallei, respectively. Conclusions: This assay enables the clear distinction between B. mallei and B. pseudomallei/B. thailandensis.
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页数:4
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