Dispersal and Differentiation of Deep-Sea Mussels of the Genus<i>Bathymodiolus</i>(Mytilidae, Bathymodiolinae)

Kyuno, Akiko; Shintaku, Mifue; Fujita, Yūkō; Matsumoto, Hiroto; Utsumi, Motoo; Watanabe, Hiromi; Fujiwara, Yoshihiro; Miyazaki, Junichi

doi:10.1155/2009/625672

Cited by 54 publications

(92 citation statements)

References 42 publications

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“…These two subclades formed a single clade supported by high bootstrap values. These results support the previous studies (Kyuno et al, 2009;Lorion et al, 2010;Miyazaki et al, 2010) that proposed the independence of the lineage of B. aduloides and B. manusensis among Bathymodiolus spp., and similarity of the unidentified mussels of Lau Basin and New Zealand to B. manusensis.…”

Section: Discussionsupporting

confidence: 92%

“…Consequently, this is the first report on the new distribution of B. aduloides at the Izu-Ogasawara area, an island arc that extends longitudinally along the edge of the north-eastern Philippine Sea Plate (Figure 4). This distribution pattern is similar to those of two other bathymodiolin mussels, B. japonicus and B. platifrons: these mussels inhabit both vents in Okinawa Trough and cold seep in Sagami Bay, of which the distance is approximately 1500 km (Kyuno et al, 2009). However, as these two species harbour methanotrophic symbionts (Fujiwara et al, 2000), their distribution is limited by availability of methane.…”

Section: Discussionsupporting

confidence: 75%

“…A BLAST search revealed that the sequence of the Myojinsho mussel was identical with that of B. aduloides collected at the cold seep at Off Kikaijima (DDBJ/EMBL/GenBank accession number AB170058). We constructed phylogenetic trees using 430-bp from 21 specimens, including B. aduloides, B. manusensis and unidentified bathymodiolin mussels inhabiting Off New Zealand and Lau Basin, all of which are included in a single clade in the previous studies (Kyuno et al, 2009;Lorion et al, 2010;Miyazaki et al, 2010). Tamu fisheri was added because it was suggested to be phylogenitically close to these species (Lorion et al, 2010;Miyazaki et al, 2010).…”

Section: Mitochondrial Coi Sequence and Phylogenetic Analysesmentioning

confidence: 99%

“…It is considered that Bathymodiolus expanded their habitat from shallow to deep water using sunken woods and whale carcasses, as an 'evolutionary stepping stone' (Distel et al, 2000), and phylogenetic analyses have revealed the paraphyletic structure of the genus recently (Kyuno et al, 2009;Lorion et al, 2010). However, how bathymodiolin mussels have maintained and expanded their distribution area in the hydrothermal vent areas, which are patchily distributed and are temporally unstable, is still not fully understood.…”

Section: Introductionmentioning

confidence: 99%

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New distribution record of deep-sea mussel, Bathymodiolus aduloides (Mollusca: Bivalvia: Mytilidae) from a hydrothermal vent, Myojinsho

Koito¹,

Hashimoto²,

Nemoto³

et al. 2012

Mar. Biodivers. Rec.

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From the deep-sea hydrothermal vents and cold seeps ecosystems, more than 600 species containing many endemic species have been discovered. The deep-sea mussels of the genus Bathymodiolus are dominant species at deep-sea hydrothermal vents and cold seeps throughout the world. They are known to rely on the nutrients produced by the chemosynthetic symbiont in their gills. In 2009, we found a colony of bathymodiolin mussels at a hydrothermal vent of Myojinsho (Myojin Reef), which is a hardly investigated area. Myojinsho lies in the northern segment of the Izu-Ogasawara (Bonin) Arc and had been volcanically active until recently. We collected specimens from the colony using a remotely operated vehicle. We identified them as Bathymodiolus aduloides by morphological observation and phylogenetic analyses using mitochondrial DNA sequencing. We could not find any other species of mussels during the dive. This result is interesting because this species has not been discovered from hydrothermal vents in this region; the dominant species in this region, including the neighbouring Myojin Knoll Caldera, is B. septemdierum.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionsupporting

confidence: 75%

Section: Mitochondrial Coi Sequence and Phylogenetic Analysesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

New distribution record of deep-sea mussel, Bathymodiolus aduloides (Mollusca: Bivalvia: Mytilidae) from a hydrothermal vent, Myojinsho

Koito¹,

Hashimoto²,

Nemoto³

et al. 2012

Mar. Biodivers. Rec.

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“…However, the previous genetic analysis, based on a partial sequence of the mitochondrial NADH dehydrogenase 4 (ND4) gene, revealed that B. marisindicus shared a haplotype with the congeneric B. brevior in the North Fiji Basin and with B. septemdierum in the Myojin Knoll (Kyuno et al 2009). The sequence of the ND4 gene is widely used in population genetic analyses as it is contains sufficient information to perform such analyses (Kyuno et al 2009), therefore, the results of Kyuno et al (2009) raise the possibility that these three species may be geographic variations of a single species, that has a high dispersal ability.…”

Section: Distribution and Connectivity Of Vent Faunamentioning

confidence: 99%

Vent Fauna on the Central Indian Ridge

Watanabe

Beedessee

2014

Subseafloor Biosphere Linked to Hydrothermal Systems

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In deep-sea hydrothermal vent fields, faunal distribution is associated with the geochemical environments generated by hydrothermal vent activity. Hydrothermal vent fields on the Central Indian Ridge (CIR) are associated with vent fauna which is thought as a mixture of Atlantic and Pacific and are discretely distributed along the ridge axis of more than 1,000 km apart. In this chapter, faunal distribution in hydrothermal vent fields on the CIR is summarized at the intra-and inter-field levels. The species composition of the vent fauna in the four vent fields hitherto known is reviewed and updated, and faunal resemblance among the four vent fields of the CIR appears to reflect the number of species recorded, indicating that faunal surveys are not sufficient in describing the whole vent fauna on the CIR. All the genetic studies of the CIR vent fauna have indicated a high genetic connectivity among the local populations, despite the many potential dispersal barriers existing between the vent fields. On the basis of the spatial distribution of vent species in a vent field, typical vent fields on the CIR were classified into six zones, of which the central two zones are often covered by Rimicaris swarms in the Kairei and Edmond fields. The close relationship between vent fauna from the CIR and the western Pacific, compared to those from other regions, is highlighted. Knowledge of the Indian Ocean vent fauna is limited, and further quantitative information on the biodiversity of vent fauna will provide clues to the formation of biogeographical regions and the dispersal of vent fauna among deep-sea hydrothermal vent fields. Keywords

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Amplicon sequencing of 42 nuclear loci supports directional gene flow between South Pacific populations of a hydrothermal vent limpet

Plouviez

LaBella

Weisrock

et al. 2019

Ecology and Evolution

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In the past few decades, population genetics and phylogeographic studies have improved our knowledge of connectivity and population demography in marine environments. Studies of deep‐sea hydrothermal vent populations have identified barriers to gene flow, hybrid zones, and demographic events, such as historical population expansions and contractions. These deep‐sea studies, however, used few loci, which limit the amount of information they provided for coalescent analysis and thus our ability to confidently test complex population dynamics scenarios. In this study, we investigated population structure, demographic history, and gene flow directionality among four Western Pacific hydrothermal vent populations of the vent limpet Lepetodrilus aff. schrolli. These vent sites are located in the Manus and Lau back‐arc basins, currently of great interest for deep‐sea mineral extraction. A total of 42 loci were sequenced from each individual using high‐throughput amplicon sequencing. Amplicon sequences were analyzed using both genetic variant clustering methods and evolutionary coalescent approaches. Like most previously investigated vent species in the South Pacific, L. aff. schrolli showed no genetic structure within basins but significant differentiation between basins. We inferred significant directional gene flow from Manus Basin to Lau Basin, with low to no gene flow in the opposite direction. This study is one of the very few marine population studies using >10 loci for coalescent analysis and serves as a guide for future marine population studies.

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Dispersal and Differentiation of Deep-Sea Mussels of the GenusBathymodiolus(Mytilidae, Bathymodiolinae)

Cited by 54 publications

References 42 publications

New distribution record of deep-sea mussel, Bathymodiolus aduloides (Mollusca: Bivalvia: Mytilidae) from a hydrothermal vent, Myojinsho

New distribution record of deep-sea mussel, Bathymodiolus aduloides (Mollusca: Bivalvia: Mytilidae) from a hydrothermal vent, Myojinsho

Vent Fauna on the Central Indian Ridge

Amplicon sequencing of 42 nuclear loci supports directional gene flow between South Pacific populations of a hydrothermal vent limpet

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