Genomic islands of Pseudomonas aeruginosa.

Genomic islands of Pseudomonas aeruginosa.
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DOI:
10.1111/j.1574-6968.2008.01406.x
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发表时间:
2009-01
影响因子:
2.1
通讯作者:
Hauser AR
Hauser AR
中科院分区:
生物学4区
文献类型:
--
作者:
Battle SE;Rello J;Hauser AR

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Key to Pseudomonas aeruginosa’s ability to thrive in a diversity of niches is the presence of numerous genomic islands that confer adaptive traits upon individual strains. We reasoned that P. aeruginosa strains capable of surviving in the harsh environments of multiple hosts would therefore represent rich sources of genomic islands. To this end, we identified a strain, PSE9, that was highly virulent in both animals and plants. Subtractive hybridization was used to compare the genome of PSE9 to the less virulent strain PAO1. Nine genomic islands were identified in PSE9 that were absent in PAO1; seven of these had not been previously described. One these seven islands, designated PAGI-5, has already been shown to carry numerous interesting ORFs, including several required for virulence in mammals. Here we describe the remaining six genomic islands, PAGI-6, -7, -8, -9, -10, and -11, which include a prophage element and two Rhs elements.
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