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Complete Mitochondrial DNA Sequences of the Decapod Crustaceans Pseudocarcinus gigas (Menippidae) and Macrobrachium rosenbergii (Palaemonidae)


Miller, AD and Murphy, NP and Burridge, CP and Austin, CM, Complete Mitochondrial DNA Sequences of the Decapod Crustaceans Pseudocarcinus gigas (Menippidae) and Macrobrachium rosenbergii (Palaemonidae), Marine Biotechnology, 7, (4) pp. 339-349. ISSN 1436-2228 (2005) [Refereed Article]

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DOI: doi:10.1007/s10126-004-4077-8


The complete mitochondrial DNA sequence was determined for the Australian giant crab Pseudocarcinns gigas (Crustacea: Decapoda: Menippidae) and the giant freshwater shrimp Macrobrachium rosenbergii (Crustacea: Decapoda: Palaemonidae). The Pse gigas and Mrosenbergii mitochondrial genomes are circular molecules, 15,515 and 15,772 bp in length, respectively, and have the same gene composition as found in other metazoans. The gene arrangement of M. rosenbergii corresponds with that of the presumed ancestral arthropod gene order, represented by Limulus polyphemus, except for the position of the tRNALeu(UUR) gene. The Pse. gigas gene arrangement corresponds exactly with that reported for another brachyuran, Portunus trituberculatus, and differs from the M. rosenbergii gene order by only the position of the tRNAHis gene. Given the relative positions of intergenic nonoding nucleotides, the "duplication/random loss" model appears to be the most plausible mechanism for the translocation of this gene. These data represent the first caridean and only the second brachyuran complete mtDNA sequences, and a source of information that will facilitate surveys of intraspecific variation within these commercially important decapod species.

Item Details

Item Type:Refereed Article
Keywords:Brachyura - Caridea - mitochondrial genome - gene translocation - duplication / random loss
Research Division:Biological Sciences
Research Group:Genetics
Research Field:Genomics
Objective Division:Expanding Knowledge
Objective Group:Expanding knowledge
Objective Field:Expanding knowledge in the biological sciences
UTAS Author:Burridge, CP (Associate Professor Christopher Burridge)
ID Code:59373
Year Published:2005
Web of Science® Times Cited:73
Deposited By:Zoology
Deposited On:2009-11-30
Last Modified:2010-06-05
Downloads:11 View Download Statistics

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