Novel organization of the mitochondrial genome in the deep-sea coral, Madrepora oculata (Hexacorallia, Scleractinia, Oculinidae) and its taxonomic implications

Lin, Mei-Fang, Kitahara, Marcelo Visentini, Tachikawa, Hiroyuki, Fukami, Hironobu, Miller, David John, and Chen, Chaolun Allen (2012) Novel organization of the mitochondrial genome in the deep-sea coral, Madrepora oculata (Hexacorallia, Scleractinia, Oculinidae) and its taxonomic implications. Molecular Phylogenetics and Evolution, 65 (1). pp. 323-328.

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Abstract

Madrepora is one of the most ecologically important genera of reef-building scleractinians in the deep sea, occurring from tropical to high-latitude regions. Despite this, the taxonomic affinities and relationships within the genus Madrepora remain unclear. To clarify these issues, we sequenced the mitochondrial (mt) genome of the most widespread Madrepora species, M. oculata, and compared this with data for other scleractinians. The architecture of the M. oculara mt genome was very similar to that of other scleractinians, except for a novel gene rearrangement affecting only cox2 and cox3. This pattern of gene organization was common to four geographically distinct M. oculata individuals as well as the congeneric species M. minutiseptum, but was not shared by other genera that are closely related on the basis of cox1 sequence analysis nor other oculinids, suggesting that it might be unique to Madrepora.

Item ID: 23648
Item Type: Article (Research - C1)
ISSN: 1095-9513
Keywords: scleractinian, Madrepora, mitochondrial genome, gene rearrangement
Funders: Academia Sinica Thematic Grant
Date Deposited: 10 Oct 2012 05:27
FoR Codes: 06 BIOLOGICAL SCIENCES > 0608 Zoology > 060802 Animal Cell and Molecular Biology @ 50%
06 BIOLOGICAL SCIENCES > 0604 Genetics > 060499 Genetics not elsewhere classified @ 25%
06 BIOLOGICAL SCIENCES > 0603 Evolutionary Biology > 060399 Evolutionary Biology not elsewhere classified @ 25%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970106 Expanding Knowledge in the Biological Sciences @ 100%
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