Three predominant species groups of deep-sea whelks (Gastropoda: Buccinidae) in the Sea of Japan: their molecular taxonomy and geographic distribution

Shirai, Shigeru; Hirose, Takehiro; Goto, Tanjuro; Kogure, Yoichi; Yosho, Ikuko

doi:10.3800/pbr.5.17

Cited by 5 publications

(6 citation statements)

References 20 publications

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“…4) Discussion Iguchi et al (2007) investigated the genetic population structures of the deep-sea whelks Buccinum tsubai (Kuroda) and Neptunea constricta (Dall) in the Sea of Japan by using a partial sequence of the mtDNA COI gene and found clear genetic differentiation among distant populations, however, could not show genetic differentiation among populations around Hokkaido, probably because there were insufficient numbers of samples and individuals collected in the area. Very recently, Shirai et al (2010) revealed population structure of B. tsubai with three groups in the Sea of Japan off the mainland Honshu of Japan, although their main interest seemed to be intraspecific phylogeny. They well documented the population structure probably affected by the sedentary life style of direct-developmental gastropod.…”

Section: Resultsmentioning

confidence: 99%

Genetic population structure of Neptune whelk in northern Japan inferred from microsatellite DNA variation

Azuma

Miranda

Goshima

et al. 2011

Plankton Benthos Res

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Genetic population structure of the Neptune whelk (Neptunea arthritica) in northern Japan was estimated from six samples collected from Hokkaido and one sample from Aomori, in northernmost Honshu, using five polymorphic microsatellite DNA loci. Pairwise F ST estimates indicated a genetic cline from eastern and northeastern Hokkaido to southern Hokkaido and northernmost Honshu. The individual-based assignment method and analyses of molecular variance suggested three geographic groups within this cline. The observed population structure was most likely influenced by isolation-by-distance with restricted gene flow, as suggested by the significant correlation between genetic and geographic distance for the entire region examined. The inferred restriction of gene flow is likely due to the poor dispersal ability of this species, which has a benthic, sedentary life history and passive dispersal along the coasts. The observed genetic structure of N. arthritica will be useful for conservation and fisheries management of this species.

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Section: Resultsmentioning

confidence: 99%

Genetic population structure of Neptune whelk in northern Japan inferred from microsatellite DNA variation

Azuma

Miranda

Goshima

et al. 2011

Plankton Benthos Res

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“…At present, the information on the genetic structures of marine organisms in the Sea of Japan is accumulating 2001, 2004, Shirai et al 2010. Comparative analysis of genetic population structures among several taxa would provide general understanding on how paleoenvironmental changes during the glacial periods influenced on the formation of populations of marine organisms in the Sea of Japan.…”

Section: Discussionmentioning

confidence: 99%

“…Comparative analysis of genetic population structures among several taxa would provide general understanding on how paleoenvironmental changes during the glacial periods influenced on the formation of populations of marine organisms in the Sea of Japan. About interspecies relationships among Buccinum species, as described above, the wide range of morphological variation within and between species is noteworthy (Iguchi et al 2005, Shirai et al 2010). For species delimitaion of Buccinum species, sympatry and genetic distances based on some molecular markers including nuclear DNA should be considered by using enough samples per species.…”

Section: Discussionmentioning

confidence: 99%

“…About B. striatissimum and B. tenuissimum, we previously suggested that these two species are likely to be different species because they show sympatric distribution and are genetically isolated (Iguchi et al 2008). However, recent analysis with large number of samples showed that hybridization may be occurring between these two species (Shirai et al 2010). The reason why B. bayani and B. tenuissimum shared the same haplotype is also unclear.…”

Section: Molecular Phylogeny For Buccinum Speciesmentioning

confidence: 99%

“…Therefore, some local populations within a single species may have been described as different species or subspecies. Molecular genetic approaches would provide novel insights into these taxonomical problems in these gastropods, however, few genetic studies on this taxon have been reported (Harasewych et al 1997, Hayashi 2005, Shirai et al 2010.…”

Section: Molecular Phylogeny For Buccinum Speciesmentioning

confidence: 99%

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A review of genetic intra- and interspecific relationships of deep-sea Buccinum and Neptunea species around Japan (with special reference to the Sea of Japan)

Iguchi

2010

Plankton Benthos Res

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Abstract:The Sea of Japan is a marginal sea surrounded by narrow, shallow straits which became isolated from neighboring waters when the sea level fell during the Pleistocene glacial periods. In order to understand the influences of such paleoenvironmental changes on the formation of populations of marine organisms in the Sea of Japan, deep-sea whelks (genera Buccinum and Neptunea (Buccinidae)) are appropriate materials considering their low dispersal abilities through direct development. Deep-sea whelks are also important marine species for fisheries in the Sea of Japan. However, several taxonomical problems due to morphological variations and lack of knowledge about gene flows among local populations in deep-sea whelks may lead to inappropriate fisheries management. We and my collaborators examined the genetic inter-and intraspecific relationships of deep-sea Buccinum and Neptunea species by means of molecular markers with samples from various stations around Japan (mainly from the Sea of Japan). We found some intriguing genetic structures closely related to their characteristic reproductive mode and paleoenvironmental changes in the Sea of Japan. In addition, by comparing inter-and intraspecies relationships of some Buccinum species, I clarified some novel taxonomical aspects of these species. Here, I review these genetic structures of deep-sea whelks and describe the future direction of phylogeographical approaches to deep-sea organisms in the Sea of Japan.

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Revised phylogeography of the common whelk Buccinum undatum (Gastropoda: Buccinidae) across the North Atlantic

Magnúsdóttir

Pálsson

Westfall

et al. 2019

Biological Journal of the Linnean Society

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The purpose of this study was to revisit the mitochondrial genetic divergence of North Atlantic populations of the subtidal gastropod Buccinum undatum, because previous mitochondrial DNA (mtDNA) analysis by Pálsson et al. (2014) included 16S ribosomal RNA sequences that were incorrectly assigned to the species. In the present study, population mtDNA variation is now assessed using COI sequences obtained from previous research (Pálsson et al., 2014) and, to increase the geographical cover of the study, data from recently assembled transcriptomes of 96 Icelandic whelks (Jónsson et al., 2019) and GenBank are also used. To estimate the mtDNA divergence in B. undatum across the North Atlantic, two species screening indices were used: automatic barcode gap discovey (ABGD; Puillandre et al., 2012a) and species screening threshold index (SSTI; Witt et al., 2006). Phylogenetic reconstruction revealed monophyletic Eastern and Western North Atlantic whelk lineages, which diverged early in the Pleistocene glaciation (2.1 Mya), followed by a subsequent divergence event between Greenlandic and Canadian populations at 1.3 Mya. Species screening indices, ABGD and SSTI, indicated cryptic speciation or allopatric divergence. Genetic distances between populations from the two continents were similar to or greater than interspecific genetic distances across several North Pacific and North Atlantic Buccinum species.

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Three predominant species groups of deep-sea whelks (Gastropoda: Buccinidae) in the Sea of Japan: their molecular taxonomy and geographic distribution

Cited by 5 publications

References 20 publications

Genetic population structure of Neptune whelk in northern Japan inferred from microsatellite DNA variation

Genetic population structure of Neptune whelk in northern Japan inferred from microsatellite DNA variation

A review of genetic intra- and interspecific relationships of deep-sea Buccinum and Neptunea species around Japan (with special reference to the Sea of Japan)

Revised phylogeography of the common whelk Buccinum undatum (Gastropoda: Buccinidae) across the North Atlantic

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