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closePublisher's Note: Correction to Text
Posted by PLOS_Genetics on 27 Jan 2009 at 09:45 GMT
Our observations suggest that the intensity of diversifying selection acting on the rfb and leuX-fimH loci are under very strong selective pressure compared with the diversifying selection acting on the core LPS, the flagella or some of the porins. The fact that most hotspots of integration (117 among 133) do not result in hotspots of phylogenetic incongruence suggests that they carry neutral or deleterious genes. Conversely, it also suggests that some horizontally acquired genes can be highly beneficial (e.g., 11 hotspots of phylogenetic incongruence around the rfb or leuX-fimH locus) or moderately beneficial (e.g., 4 hotspots of integration associated with hotspots of phylogenetic incongruence) and that this results in different selection footprints in the neighbouring core genome.
http://plosgenetics.org/article/info:doi/10.1371/journal.pgen.1000344#article1.body1.sec2.sec9.p4
There were errors in the final three sentences of the last paragraph of the section 'Hotspots of Phylogenetic Incongruence'. The correct text can be found here: http://www.plosgenetics.org/corrections/pgen.1000344.cn.pdf