Population genetic structure of Scombrops boops (Percoid, Scombropidae) around the Japanese archipelago inferred from the cytochrome b gene sequence in mitochondrial DNA.
The gnomefish (Scombrops boops) is a member of the percoid family Scombropidae, which includes a single genus and three to four species worldwide. Since little is known about the ecology of this species, here, sequencing analysis of the cytochrome b gene (1141 bp) in mitochondrial DNA detected 101 haplotypes from 186 individuals of S. boops collected from waters at seven localities around the Japanese archipelago. A single haplotype (Sb2) was the most abundant in the combined populations of S. boops from various localities. Genetic population structure analyses revealed no significant differences among these populations (Fst = - 0.0313-0.0195; Φst = - 0.0505-0.0615) with high haplotype diversity and low nucleotide diversity. This suggests that S. boops around the Japanese archipelago constitutes a single population, and indicates that the genetic structure of this population may be influenced by larval and egg dispersal in association with warm currents.
Department of Marine Science and Resources, Nihon University, Fujisawa, Kanagawa, Japan.
Shunsuke
S
Noguchi
Shiro
S
Itoi
Noriyuki
N
Takai
Tsutomu
T
Noda
Toshihiko
T
Myojin
Kiyoshi
K
Yoshihara
Haruo
H
Sugita
D000818:Animals; D001483:Base Sequence; D045303:Cytochromes b / Q000235:genetics*; D004272:DNA, Mitochondrial / Q000235:genetics*; D040342:Genetic Structures; D014644:Genetic Variation; D005828:Genetics, Population; D005843:Geography; D006239:Haplotypes; D007564:Japan; D008969:Molecular Sequence Data; D010473:Perciformes / Q000145:classification / Q000235:genetics*; D012623:Seawater; D017422:Sequence Analysis, DNA; D013045:Species Specificity
D004272:DNA, Mitochondrial; D045303:Cytochromes b