Long-read sequencing reveals atypical mitochondrial genome structure in a New Zealand marine isopod

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dc.citation.issue1
dc.citation.volume9
dc.contributor.authorPearman WS
dc.contributor.authorWells SJ
dc.contributor.authorDale J
dc.contributor.authorSilander OK
dc.contributor.authorFreed NE
dc.coverage.spatialEngland
dc.date.accessioned2023-12-15T01:56:42Z
dc.date.accessioned2024-07-25T06:48:14Z
dc.date.available2022-01-12
dc.date.available2023-12-15T01:56:42Z
dc.date.available2024-07-25T06:48:14Z
dc.date.issued2022-01-12
dc.description.abstractMost animal mitochondrial genomes are small, circular and structurally conserved. However, recent work indicates that diverse taxa possess unusual mitochondrial genomes. In Isopoda, species in multiple lineages have atypical and rearranged mitochondrial genomes. However, more species of this speciose taxon need to be evaluated to understand the evolutionary origins of atypical mitochondrial genomes in this group. In this study, we report the presence of an atypical mitochondrial structure in the New Zealand endemic marine isopod, Isocladus armatus. Data from long- and short-read DNA sequencing suggest that I. armatus has two mitochondrial chromosomes. The first chromosome consists of two mitochondrial genomes that have been inverted and fused together in a circular form, and the second chromosome consists of a single mitochondrial genome in a linearized form. This atypical mitochondrial structure has been detected in other isopod lineages, and our data from an additional divergent isopod lineage (Sphaeromatidae) lends support to the hypothesis that atypical structure evolved early in the evolution of Isopoda. Additionally, we find that an asymmetrical site previously observed across many species within Isopoda is absent in I. armatus, but confirm the presence of two asymmetrical sites recently reported in two other isopod species.
dc.description.confidentialfalse
dc.edition.editionJanuary 2022
dc.format.pagination211550-
dc.identifier.author-urlhttps://www.ncbi.nlm.nih.gov/pubmed/35242350
dc.identifier.citationPearman WS, Wells SJ, Dale J, Silander OK, Freed NE. (2022). Long-read sequencing reveals atypical mitochondrial genome structure in a New Zealand marine isopod.. R Soc Open Sci. 9. 1. (pp. 211550-).
dc.identifier.doi10.1098/rsos.211550
dc.identifier.eissn2054-5703
dc.identifier.elements-typejournal-article
dc.identifier.issn2054-5703
dc.identifier.numberARTN 211550
dc.identifier.piirsos211550
dc.identifier.urihttps://mro.massey.ac.nz/handle/10179/70912
dc.languageeng
dc.publisherThe Royal Society
dc.publisher.urihttps://royalsocietypublishing.org/doi/10.1098/rsos.211550
dc.relation.isPartOfR Soc Open Sci
dc.rights(c) The authoren
dc.rights.licenseCC BY 4.0en
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subjectasymmetry
dc.subjectheteroplasmy
dc.subjectinverted repeat
dc.subjectisopod
dc.subjectmitochondria
dc.subjectpalindromic
dc.titleLong-read sequencing reveals atypical mitochondrial genome structure in a New Zealand marine isopod
dc.typeJournal article
pubs.elements-id451580
pubs.organisational-groupOther
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