Lineage specific recombination rates and microevolution in Listeria monocytogenes.

BMC Evol Biol · 2008 · PMC2576243 · PMID 18842152

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almost significantno p-value reported

Additional support for a bottleneck in lineage II is found in a significant negative value of Tajima's D for prs and an almost significant negative value for sigB ; a negative value of Tajima's D indicates that these loci did not evolve neutrally and is suggestive of a selective sweep or a population bottleneck [ 30 , 31 ].

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