Complete mitochondrial DNA sequence of the Australian freshwater crayfish, Cherax destructor (Crustacea: Decapoda: Parastacidae): a novel gene order revealed

Miller, Adam D., Nguyen, Thuy T. T., Burridge, Christopher M. and Austin, Christopher 2004, Complete mitochondrial DNA sequence of the Australian freshwater crayfish, Cherax destructor (Crustacea: Decapoda: Parastacidae): a novel gene order revealed, Gene, vol. 331, pp. 65-72.

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Title Complete mitochondrial DNA sequence of the Australian freshwater crayfish, Cherax destructor (Crustacea: Decapoda: Parastacidae): a novel gene order revealed
Author(s) Miller, Adam D.
Nguyen, Thuy T. T.
Burridge, Christopher M.
Austin, Christopher
Journal name Gene
Volume number 331
Start page 65
End page 72
Publisher Elsevier BV
Place of publication Amsterdam, Netherlands
Publication date 2004-04-28
ISSN 0378-1119
Keyword(s) astacidae
inversion
translocation
duplication/random loss
intramolecular recombination
drosophila
Summary The complete mitochondrial DNA sequence was determined for the Australian freshwater crayfish Cherax destructor (Crustacea: Decapoda: Parastacidae). The 15,895-bp genome is circular with the same gene composition as that found in other metazoans. However, we report a novel gene arrangement with respect to the putative arthropod ancestral gene order and all other arthropod mitochondrial genomes sequenced to date. It is apparent that 11 genes have been translocated (ND1, ND4, ND4L, Cyt b, srRNA, and tRNAs Ser(UGA), Leu(CUN), Ile, Cys, Pro, and Val), two of which have also undergone inversions (tRNAs Pro and Val). The ‘duplication/random loss’ mechanism is a plausible model for the observed translocations, while ‘intramitochondrial recombination’ may account for the gene inversions. In addition, the arrangement of rRNA genes is incompatible with current mitochondrial transcription models, and suggests that a different transcription mechanism may operate in C. destructor.
Notes Available online 19 March 2004.
Language eng
Field of Research 060407 Genome Structure and Regulation
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2004, Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30002610

Document type: Journal Article
Collection: School of Ecology and Environment
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