Phylogeography of Blacktip Grouper, Epinephelus fasciatus (Perciformes: Serranidae), and influence of the Kuroshio Current on cryptic lineages and genetic population structure

Kuriiwa, Kaoru; Chiba, Satoru; Motomura, Hiroyuki; Matsuura, Keiichi

doi:10.1007/s10228-014-0408-9

Cited by 35 publications

(27 citation statements)

References 56 publications

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“…), the luminous marine ostracod (Ogoh and Ohmiya ), and the Blacktip Grouper (Kuriiwa et al. ). The Kuroshio Current also acts as a boundary for coral and fish species, separating the “southern Japan coastal region” and the “Okinawan region” (Fukuda et al.…”

Section: Discussionmentioning

confidence: 99%

“…The second hypothesis is that the presence of physical boundaries unrelated to organismal habitat preferences, such as strong ocean currents, prevent latitudinal differentiation. For example, between the Osumi Islands and the Amami Islands, the Kuroshio Current acts as a dispersal barrier to various marine organisms, including the Japanese turban shell (Kojima et al 2000), the luminous marine ostracod (Ogoh and Ohmiya 2005), and the Blacktip Grouper (Kuriiwa et al 2014). The Kuroshio Current also acts as a boundary for coral and fish species, separating the "southern Japan coastal region" and the "Okinawan region" (Fukuda et al 1991).…”

Section: Genetic Diversitymentioning

confidence: 99%

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Unexpectedly complex gradation of coral population structure in the Nansei Islands, Japan

Zayasu

Nakajima

Sakai

et al. 2016

Ecology and Evolution

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To establish effective locations and sizes of potential protected areas for reef ecosystems, detailed information about source and sink relationships between populations is critical, especially in archipelagic regions. Therefore, we assessed population structure and genetic diversity of Acropora tenuis, one of the dominant stony coral species in the Pacific, using 13 microsatellite markers to investigate 298 colonies from 15 locations across the Nansei Islands in southwestern Japan. Genetic diversity was not significant among sampling locations, even in possibly peripheral locations. In addition, our results showed that there are at least two populations of A. tenuis in the study area. The level of genetic differentiation between these populations was relatively low, but significant between many pairs of sampling locations. Directions of gene flow, which were estimated using a coalescence‐based approach, suggest that gene flow not only occurs from south to north, but also from north to south in various locations. Consequently, the Yaeyama Islands and the Amami Islands are potential northern and southern sources of corals. On the other hand, the Miyako Islands and west central Okinawa Island are potential sink populations. The Kerama Islands and the vicinity of Taketomi Island are potential contact points of genetic subdivision of coral populations in the Nansei Islands. We found that genetic population structure of A. tenuis in the Nansei Islands is more complex than previously thought. These cryptic populations are very important for preserving genetic diversity and should be maintained.

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Section: Discussionmentioning

confidence: 99%

Section: Genetic Diversitymentioning

confidence: 99%

Unexpectedly complex gradation of coral population structure in the Nansei Islands, Japan

Zayasu

Nakajima

Sakai

et al. 2016

Ecology and Evolution

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“…1b ) and thus divides the sea area into heterogeneous sub-habitats with different temperatures and salinities 40 . The Kuroshio Current was shown to act as a dispersal barrier to promote lineage diversification or population differentiation in some marine organisms 16 21 22 41 42 43 44 45 46 ( Fig. 2b ).…”

Section: Discussionmentioning

confidence: 99%

Biogeographical role of the Kuroshio Current in the amphibious mudskipper Periophthalmus modestus indicated by mitochondrial DNA data

Mukai²,

Chu

et al. 2015

Sci Rep

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Quaternary climatic cycles have influenced marine organisms’ spatial distribution and population dynamics. This study aimed to elucidate the evolutionary influences of contemporary and glacial physical barriers on the population structure, demography and colonization history of the mudskipper (Periophthalmus modestus) based on a mitochondrial gene segment (ND5) from 131 individual fish sampled in the northwestern Pacific Ocean. The current Kuroshio Current and the glacial exposure of the Taiwan Strait appeared to have restricted migration among the South China Sea, coastal East China and Japan. However, genetic homogeneity (Nm>1) also suggested contemporary larval transportation by sea circulation between the East China Sea and the South China Sea or historical dispersal along the glacial exposed shoreline among China, Japan and the Ryukyu Islands. Evolutionary signals of the strengthened East Asian Summer Monsoon in the mid-Pleistocene and regional difference in intertidal primary productions were indicated by a late-Pleistocene population expansion of P. modestus with a higher effective population size in the South China Sea than in the East China Sea. Furthermore, a potential colonization origin from the South China Sea was consistently inferred by different clues, including the populations’ coalescence times, the ancestral haplotype distribution, the number of private haplotypes and species/genetic diversity.

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“…Oceanic current-mediated strong bidirectional gene flow among Muroran (1), Onagawa (2) and Tateyama (3) (1?2?3, Fig. 4) sites could lead to high population genetic homogeneity in this area (Kuriiwa et al, 2014).…”

Section: Oceanic Currents and Population Genetic Connectivity In S Tmentioning

confidence: 99%

Oceanic currents drove population genetic connectivity of the brown alga Sargassum thunbergii in the north‐west Pacific

Gao

et al. 2016

Journal of Biogeography

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Aim Oceanic currents are among the most pervasive hydrodynamic features in shaping community dynamics, population connectivity and phylogeographical structure of intertidal species. Here, we test whether population structure and biogeographical gradients of genetic diversity in the brown alga Sargassum thunbergii are correlated with oceanic currents in the north-west Pacific (NWP).Location North-west Pacific (25.07°N-43.36°N).Methods Nuclear internal transcribed spacer-2 and mitochondrial cox3 sequences were obtained from 835 and 810 individuals of S. thunbergii respectively. Parsimony networks and phylogenetic trees (maximum parsimony and Bayesian inference) were constructed to evaluate phylogeographical structure. Pairwise F ST estimates and analyses of molecular variance (AMOVA) at various hierarchical levels (latitude, longitude, marine provinces, biogeographical basins and zoogeographical zones) were conducted to elucidate population genetic differentiation. migrate software was used to estimate the number of migrants between adjacent populations.Results Several lines of evidence indicate that S. thunbergii is characterized by shallow population structure. Geographical distances do not correlate with population pairwise genetic differentiations. The corridor/stepping-stone model-based coalescent analyses reveal high levels of asymmetric gene flow among S. thunbergii populations, with the numbers of migrants largely corresponding to the directions of oceanic current systems in the NWP. Genetic signatures also indicate that Jeju Island, Korea might act as a transition zone for dispersal of S. thunbergii in the NWP driven by the Kuroshio Current, thus facilitating subsequent transportation northward into the Sea of Japan and the Yellow-Bohai Sea.Main conclusions Population genetic homogeneity in S. thunbergii was mainly structured by oceanic currents rather than palaeoclimatic events. Our study illustrates an important phylogeographical case of how coastal hydrodynamic factors contributed to population connectivity and geographical shifts of genetic diversity for marine organisms without a pelagic stage.

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Phylogeography of Blacktip Grouper, Epinephelus fasciatus (Perciformes: Serranidae), and influence of the Kuroshio Current on cryptic lineages and genetic population structure

Cited by 35 publications

References 56 publications

Unexpectedly complex gradation of coral population structure in the Nansei Islands, Japan

Unexpectedly complex gradation of coral population structure in the Nansei Islands, Japan

Biogeographical role of the Kuroshio Current in the amphibious mudskipper Periophthalmus modestus indicated by mitochondrial DNA data

Oceanic currents drove population genetic connectivity of the brown alga Sargassum thunbergii in the north‐west Pacific

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