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Comparative analyses within Gyrodactylus (Platyhelminthes: Monogenea) mitochondrial genomes and conserved polymerase chain reaction primers for gyrodactylid mitochondrial DNA
Authors:F Ye  R H Easy  S D King  D K Cone  P You
Affiliation:1. Co‐Innovation Center for Qinba Regions' Sustainable Development, College of Life Science, Shaanxi Normal University, Xi'an, China;2. Department of Biology, Acadia University, Wolfville, NS, Canada;3. Department of Biology, Dalhousie University, Halifax, NS, Canada;4. Department of Biology, Saint Mary's University, Dayspring, NS, Canada
Abstract:In this study, we describe the complete mitochondrial genomes of Gyrodactylus brachymystacis and Gyrodactylus parvae infecting rainbow trout (Oncorhynchus mykiss) and the invasive topmouth gudgeon (Pseudorasbora parva), respectively. The two circular genomes have a common genome organization found in other Gyrodactylus species. Comparative analyses of mitochondrial genomes from six Gyrodactylus species were carried out to determine base composition, codon usage, transfer RNA and ribosomal RNA genes, major non‐coding regions, and nucleotide diversity within the genus. We also provide the first universal models of the secondary structures of rrnS and rrnL for this group thereby promoting utilization of these genetic markers. Universal primers provided herein can be used to obtain more mitochondrial information for pathogen identification and may reveal different levels of molecular phylogenetic inferences for this lineage.
Keywords:   Gyrodactylus brachymystacis        Gyrodactylus parvae     mitochondrial genome  Monogenea  secondary structure  universal primers
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