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Erratum to: male-killing Wolbachia and mitochondrial selective sweep in a migratory African insect
BMC Evolutionary Biology volume 13, Article number: 6 (2013)
- The original article was published in BMC Evolutionary Biology 2012 12:204
Following publication of this work , it was brought to our attention that seven of the mitochondrial COI haplotypes described in this manuscript as Spodoptera exempta haplotypes were in fact other species. These have been identified as Amyna punctum complex (haplo2), Chrysodeixis acuta (haplo4), Spodoptera triturata (haplo5), Vittaplusia vittata (haplo13), Condica sp. (haplo14) and Mesogenea varians (haplo15 and haplo16). As a result, we cannot now support one of our original conclusions suggesting that the Spodoptera genus does not appear to be monophyletic. The text describing and discussing this claim in the original manuscript  should be disregarded.
However, it should be clearly stated that the main findings of the article, namely that the presence of Wolbachia appears to be driving a mitochondrial selective sweep within S. exempta, still holds true. Indeed, new analysis strengthens the extent of the skew. Here we present the results of the re-analysis with the corrected data sets along with revisions of the relevant figures.
COI sequences were obtained from 157 S. exempta specimens and ten haplotypes identified [Genbank: JQ315120, JQ315122, JQ315125 – JQ315131, JQ315136; Figure 1]; 148 (94.3%) of the haplotypes belonged to haplo1. Significantly, all the Wolbachia infections detected in S. exempta were found associated with mtDNA haplo1, suggesting that recent selective sweeps associated with the invasion of Wolbachia may have affected mtDNA diversity in the armyworm population. The host COI haplotype diversity estimate was found to be very low (haplotype diversity, Hd: 0.112; nucleotide diversity, π: 0.0002). Estimates of D, D* and F* statistics were all negative for the COI gene (Tajima's D: -2.157, p < 0.01; Fu & Li's D*: -5.121, p < 0.02; Fu & Li's F*:-4.85017, p < 0.02). Apart from haplo1, all of the other haplotypes were very rare, each only detected in a single individual, making any inference on distribution-structuring or migratory behaviour difficult (Figure 2).
We wish to thank Dr. Scott Miller for bringing this matter to our attention.
Graham RI, Wilson K: Male-killing Wolbachia and mitochondrial selective sweep in a migratory African insect. BMC Evol Biol. 2012, 12: 204-10.1186/1471-2148-12-204.
The online version of the original article can be found at 10.1186/1471-2148-12-204
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Graham, R.I., Wilson, K. Erratum to: male-killing Wolbachia and mitochondrial selective sweep in a migratory African insect. BMC Evol Biol 13, 6 (2013). https://doi.org/10.1186/1471-2148-13-6