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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

A putative type III secretion gene cluster is widely distributed in the Burkholderia cepacia complex but absent from genomovar I.

Using probes constructed from Ralstonia solanacearum and Burkholderia pseudomallei, putative type III secretion ( TTS) genes were identified in Burkholderia cepacia J2315 (genomovar III). A cosmid clone containing DNA with homology to five TTS genes was sub-cloned and regions were sequenced in order to design oligonucleotides for polymerase chain reaction assays. These indicated that two putative TTS genes (bcscQ and bcscV) were present in all members of the B. cepacia complex with the exception of strains from genomovar I. Southern blot assays confirmed this observation, suggesting that the lack of a TTS gene cluster may define a major difference between B. cepacia genomovar I and other members of the B. cepacia complex, including genomovar III. In contrast to TTS gene clusters in other bacteria, a putative gene homologous to the virB1 gene of Brucella suis was located directly downstream of bcscQR.[1]

References

  1. A putative type III secretion gene cluster is widely distributed in the Burkholderia cepacia complex but absent from genomovar I. Parsons, Y.N., Glendinning, K.J., Thornton, V., Hales, B.A., Hart, C.A., Winstanley, C. FEMS Microbiol. Lett. (2001) [Pubmed]
 
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