High gene flow in Girella punctata (Perciformes, Kyphosidae) among the Japanese Islands inferred from partial sequence of the control region in mitochondrial DNA
Sequencing analysis of the partial control region (c. 450 bp) detected 88 haplotypes from 249 individuals of Girella punctata collected from coastal waters of nine locations in the Japanese Islands. A single haplotype was the most numerous at all sampling locations, and no significant genetic difference was found among G. punctata samples collected from various locations (FST=−0·0274 to 0·0247) with high haplotype diversity and low nucleotide diversity, suggesting that G. punctata population had experienced a bottleneck followed by rapid population growth around the Japanese Islands and might be affected by larval dispersal in association with warm currents.
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