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Hybridisation, paternal leakage and mitochondrial DNA linearization in three anomalous fish (Scombridae)

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Morgan, J. A. T., Macbeth, M., Broderick, D., Whatmore, P., Street, R., Welch, D. J. and Ovenden, J. R. (2013) Hybridisation, paternal leakage and mitochondrial DNA linearization in three anomalous fish (Scombridae). Mitochondrion, 13 (6). pp. 852-861. ISSN 15677249 (ISSN)

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Article Link: http://dx.doi.org/10.1016/j.mito.2013.06.002


Using mitochondrial DNA for species identification and population studies assumes that the genome is maternally inherited, circular, located in the cytoplasm and lacks recombination. This study explores the mitochondrial genomes of three anomalous mackerel. Complete mitochondrial genome sequencing plus nuclear microsatellite genotyping of these fish identified them as Scomberomorus munroi (spotted mackerel). Unlike normal S. munroi, these three fish also contained different linear, mitochondrial genomes of Scomberomorus semifasciatus (grey mackerel). The results are best explained by hybridisation, paternal leakage and mitochondrial DNA linearization. This unusual observation may provide an explanation for mtDNA outliers in animal population studies. © 2013.

Item Type:Article
Business groups:Animal Science
Additional Information:Correspondence Address: Morgan, J.A.T.PO Box 6097, St Lucia, QLD 4072, Australia; email: Jessica.Morgan@uq.edu.au
Keywords:Australia Linear mtDNA Mackerel Nuclear mitochondrial DNA Numt mitochondrial DNA animal tissue article controlled study DNA hybridization fish gene amplification gene function gene identification gene locus gene sequence gene translocation genotyping technique microsatellite marker mitochondrial genome nonhuman nucleotide sequence priority journal Scomberomorus munroi Scomberomorus semifasciatus sequence analysis species distribution species identification Animalia Scomber australasicus Scombridae
Subjects:Aquaculture and Fisheries > Fisheries > Fishery research
Science > Biology > Genetics
Live Archive:16 Jul 2014 05:06
Last Modified:03 Sep 2021 16:49

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