Annotated Bioinformatic Pipelines for Genome Assembly and Annotation of Mitochondrial Genomes

Mitochondrial genomes (mitogenomes) display relatively rapid mutation rates, low sequence recombination, high copy numbers, and maternal inheritance patterns, rendering them valuable blueprints for mapping lineages, uncovering historical migration patterns, understanding intraspecific population dyn...

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Bibliographic Details
Main Authors: Jessica Winn, Aletta Bester-van der Merwe, Simo Maduna
Format: Article
Language:English
Published: Bio-protocol LLC 2025-03-01
Series:Bio-Protocol
Online Access:https://bio-protocol.org/en/bpdetail?id=5231&type=0
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Summary:Mitochondrial genomes (mitogenomes) display relatively rapid mutation rates, low sequence recombination, high copy numbers, and maternal inheritance patterns, rendering them valuable blueprints for mapping lineages, uncovering historical migration patterns, understanding intraspecific population dynamics, and investigating how environmental pressures shape traits underpinned by genetic variation. Here, we present the bioinformatic pipeline and code used to assemble and annotate the complete mitogenomes of five houndsharks (Chondrichthyes: Triakidae) and compare them to the mitogenomes of other closely related species. We demonstrate the value of a combined assembly approach for detecting deviations in mitogenome structure and describe how to select an assembly approach that best suits the sequencing data. The datasets required to run our analyses are available on the GitHub and Dryad repositories.
ISSN:2331-8325