ArticleBMC evolutionary biology2010
Unusual conservation of mitochondrial gene order in Crassostrea oysters: evidence for recent speciation in Asia.
Article in BMC evolutionary biology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 60 papers.
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60 citing papers in PubMed, 142 citations in OpenAlex.
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- Chromosome-level genome assembly of the Suminoe oyster Crassostrea ariakensis in south China.Scientific data · 2024Article
- Novel Ser74 of NF-κB/IκBα phosphorylated by MAPK/ERK regulates temperature adaptation in oysters.Cell communication and signaling : CCS · 2024Article
- MAPK/ERK-PK(Ser11) pathway regulates divergent thermal metabolism of two congeneric oyster species.iScience · 2024Article
- Sequencing of the Complete Mitochondrial Genome of the Big Brown Mactra Clam,Animals : an open access journal from MDPI · 2024Article
- Comparative mitogenomic analysis of subterranean and surface amphipods (Crustacea, Amphipoda) with special reference to the family Crangonyctidae.BMC genomics · 2024Article
- Genome-Wide Association Analysis of Heat Tolerance in FInternational journal of molecular sciences · 2023Article
- Chromosome-level genome assembly of the deep-sea snail Phymorhynchus buccinoides provides insights into the adaptation to the cold seep habitat.BMC genomics · 2023Article
- LAMP-based molecular sexing in a gonochoric marine bivalve (Ecology and evolution · 2023Article
- Mitochondrial genome comparison reveals the evolution of cnidarians.Ecology and evolution · 2023Article
- Cis- and Trans-variations of Stearoyl-CoA Desaturase Provide New Insights into the Mechanisms of Diverged Pattern of Phenotypic Plasticity for Temperature Adaptation in Two Congeneric Oyster Species.Molecular biology and evolution · 2023Article
- Adaptive divergence and underlying mechanisms in response to salinity gradients between twoEvolutionary applications · 2023Article
- The complete mitochondrial genome ofBiodiversity data journal · 2023Article
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Authors and funding
5 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundOysters are morphologically plastic and hence difficult subjects for taxonomic and evolutionary studies. It is long been suspected, based on the extraordinary species diversity observed, that Asia Pacific is the epicenter of oyster speciation. To understand the species diversity and its evolutionary history, we collected five Crassostrea species from Asia and sequenced their complete mitochondrial (mt) genomes in addition to two newly released Asian oysters (C. iredalei and Saccostrea mordax) for a comprehensive analysis.
resultsThe six Asian Crassostrea mt genomes ranged from 18,226 to 22,446 bp in size, and all coded for 39 genes (12 proteins, 2 rRNAs and 25 tRNAs) on the same strand. Their genomes contained a split of the rrnL gene and duplication of trnM, trnK and trnQ genes. They shared the same gene order that differed from an Atlantic sister species by as many as nine tRNA changes (6 transpositions and 3 duplications) and even differed significantly from S. mordax in protein-coding genes. Phylogenetic analysis indicates that the six Asian Crassostrea species emerged between 3 and 43 Myr ago, while the Atlantic species evolved 83 Myr ago.
conclusionsThe complete conservation of gene order in the six Asian Crassostrea species over 43 Myr is highly unusual given the remarkable rate of rearrangements in their sister species and other bivalves. It provides strong evidence for the recent speciation of the six Crassostrea species in Asia. It further indicates that changes in mt gene order may not be strictly a function of time but subject to other constraints that are presently not well understood.
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