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Zoological Research
Kunming Institute of Zoology, Chinese Academy of Sciences
ISSN: 2095-8137
Vol. 34, No. 6, 2013, pp. 666-673
Bioline Code: zr13103
Full paper language: English
Document type: Review Article
Document available free of charge

Zoological Research, Vol. 34, No. 6, 2013, pp. 666-673

 en Rearrangement of mitochondrial genome in fishes
GONG, Li; SHI, Wei; SI, Li-Zhen & KONG, Xiao-Yu

Abstract

Generally, the mitochondrial genome is characterized by the property of highly conserved organization. After comparing the 1,255 fish complete mitogenome sequences deposited in GenBank (as of Nov. 3, 2013), approximately 52 complete mitogenomes are found to have been rearranged. Of these species, three types of rearrangement--shuffling, translocation, and inversion-have been found. Further analysis shows that the sites of the rearrangements occur frequently in WANCY cluster, IQM cluster, ND6 gene, control region (D-loop) and its adjacent genes. Based on the four models that explain the gene rearrangements commonly adopted by scientists, we attempted to infer the possible mechanisms for the three types of gene rearrangement as well as the application of gene rearrangement in phylogenetic studies.

Keywords
tDNA; Translocation; Shuffling; Inversion; Gene rearrangement; Phylogenesis

 
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