Phylogeography of Mytilisepta virgata (Mytilidae: Bivalvia) in the northwestern Pacific: Cryptic mitochondrial lineages and mito-nuclear discordance

Lee, Yucheol; Ni, Gang; Shin, Jinkyung; Kim, Sang Woo; Kern, Elizabeth M.A.; Kim, Yuseob; Kim, Seung‐Chul; Chan, Benny K. K.; Gotô, Ryôzô; Nakano, Tomoyuki; Park, Joong Ki

doi:10.1016/j.ympev.2020.107037

Cited by 17 publications

(17 citation statements)

References 78 publications

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“…However, our study found that the genetic variations of nuDNA were lower than that of mtDNA in T. bifasciatus (Table 1 and Figures 1B, 4). Moreover, our study found that the four-eyed sleeper, Bostrychus sinensis, on the Pacific coastline of China (Qiu et al, 2016), two marine gobies, Gobius geniporus and Gobius cruentatus, from the north-eastern Atlantic and the Mediterranean Sea (Cekovská et al, 2020), and bifurcate mussel, Mytilisepta virgata, in northwestern Pacific coastline (Lee et al, 2021) all displayed the same pattern. The genetic variations of nuDNA, Ryr3, the first intron of ribosomal protein gene S7, and ITS1, were lower than those of mtDNA.…”

Section: Discordance Between Mitochondrial and Nuclear Markerssupporting

confidence: 52%

“…The previous studies suggested that the mtDNA lineage sorting should be completed before sorting nuDNA because mtDNA included lower variations, which are transferred by single sex and have a lower effective population size (Zink and Barrowclough, 2008;Zhao et al, 2018;Lee et al, 2021). However, our study found that the genetic variations of nuDNA were lower than that of mtDNA in T. bifasciatus (Table 1 and Figures 1B, 4).…”

Section: Discordance Between Mitochondrial and Nuclear Markerscontrasting

confidence: 47%

“…Most studies supported that the isolations were shaped by the landform changes during ice ages (e.g., Liu et al, 2007;Shen et al, 2011;Qiu et al, 2016). However, Lee et al (2021) suggested that the two divergent mtDNA cox1 (cytochrome c oxidase subunit I) lineages of M. virgata were a proxy for two mtDNA genotypes adapted to different surface water temperature regions, due to divergence in the energy metabolic functions. Although they could not provide supporting evidence about selection, they suggested that the balancing selection can occur under spatial heterogeneity.…”

Section: Discussionmentioning

confidence: 99%

“…All results displayed that the mtDNA and nuDNA datasets revealed discordant patterns (Tables 1-3 and Figures 1-7). The discordance between the mtDNA and nuDNA structures could simply be due to incomplete lineage sorting of the ancestral polymorphisms, admixture, and selection (Yang et al, 2016(Yang et al, , 2018Zhao et al, 2018;Lee et al, 2021). Due to differences in effective population size, mtDNA lineage sorting should be completed before sorting nuDNA (Zink and Barrowclough, 2008).…”

Section: Discordance Between Mitochondrial and Nuclear Markersmentioning

confidence: 99%

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Phylogeography of Tridentiger bifasciatus (Gobiidae) in the Northwestern Pacific

et al. 2022

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The shimofuri goby (Tridentiger bifasciatus) is native to marine, brackish, and fresh waters along the coasts of the northwest Pacific. Our study examined the population genetic structure, diversity, and demography of T. bifasciatus in the China Seas, including the Yellow Sea, East China Sea, and South China Sea, using the sequences of mitochondrial DNA [mtDNA cytochrome b (cyt b) gene and d-loop region] and nuclear DNA [nuDNA ryanodine receptor 3 (Ryr3) gene]. The mtDNA dataset revealed a significant population differentiation, but the nuDNA dataset displayed the absence of genetic differentiation. The discordance between these two datasets was accounted for by population admixture, selection, and incomplete lineage sorting. Although the mtDNA and nuDNA displayed a discordant population structure, these genetic markers revealed the same population history: (1) the populations retreated into two refugia during glaciations and (2) the populations declined recently. Our study revealed that after glaciations, the re-flooding in Taiwan Strait did not shape the migrations of the southern lineage from the South China Sea to the East China Sea, and displayed that two mtDNA lineages have diverged before they migrated southward during glaciations. These results offer important resources for the further study of conservation genetics.

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Section: Discordance Between Mitochondrial and Nuclear Markerssupporting

confidence: 52%

Section: Discordance Between Mitochondrial and Nuclear Markerscontrasting

confidence: 47%

Section: Discussionmentioning

confidence: 99%

Section: Discordance Between Mitochondrial and Nuclear Markersmentioning

confidence: 99%

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Phylogeography of Tridentiger bifasciatus (Gobiidae) in the Northwestern Pacific

et al. 2022

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“…Intertidal mussels are widely used as sentinel species in coastal environmental monitoring because they are ubiquitous fauna, able to provide a spectrum of responses to environmental stress, live a sedentary life that may explain the spatiotemporal changes in their habitat (Goldberg, 1975;Farrington et al, 2016;Beyer et al, 2017). The purplish bifurcate mussel Mytilisepta virgata (= Septifer virgatus) is distributed widely in the upper rocky intertidal zone of the northwest Pacific region from Hong Kong to northern Japan (Benard et al, 1993;Iwasaki, 1995;Kawai and Tookeshi, 2004;Lutaenko and Noseworthy, 2019;Lee et al, 2020). Similar to other mussels, the purplish bifurcate mussel has been used as a sentinel species in environmental monitoring studies due to its abundance and high tolerance to environmental stressors (Liu and Morton, 1994;Wang and Dei, 1999;Blackmore, 2001;Han et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Effect of Extreme Heatwaves on the Mortality and Cellular Immune Responses of Purplish Bifurcate Mussel Mytilisepta virgata (Wiegmann, 1837) (=Septifer virgatus) in Indoor Mesocosm Experiments

Hong

Kim

et al. 2021

Front. Mar. Sci.

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In the rocky intertidal environment, the frequency and duration of heatwaves have increased over the last decade, possibly due to global climate change. Heatwaves often result in lethal or sub-lethal disturbances in benthic animals by changing their metabolic activities. In this study, we investigated the impacts of extreme heatwave stress on the hemocyte functions of Mytilisepta virgata and subsequent mortality to gain a better understanding of the potential causes and consequences of mass mortality events in this mussel during summer. We discriminated three types of hemocytes in the hemolymph, granulocytes, hyalinocytes, and blast-like cells, using flow cytometry and revealed that granulocytes were the major hemocyte involved in cellular defensive activities, such as phagocytosis and reactive oxygen species (ROS) production. For the experiment, mussels were exposed to a 40°C air temperature for 12 h per day over 5 days under laboratory conditions as a simulated semi-diurnal tidal cycle. Mortality began to occur within 3 days after beginning the experiment, and all mussels had died by the end of the experiment. Flow cytometry indicated that the mussels exposed to high air temperatures produced significantly more ROS than did the control mussels within 2 days after the onset of the experiment, which may have caused oxidative stress. Such high levels of ROS in the hemolymph increased DNA damage in hemocytes after 3 days of exposure and decreased the phagocytosis of hemocytes 4 days after the experiment began. The observed mortality and decline in immune capacity suggested that an extreme heat event occurring in the rocky intertidal ecosystem during summer could exert sublethal to lethal impacts on macrobenthic animals.

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Complete mitochondrial genomes and population genetic analysis of Brachidontes variabilis (Krauss, 1848) in China

Zhu,

Yan,

et al. 2024

Mar Biol

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Phylogeography of Mytilisepta virgata (Mytilidae: Bivalvia) in the northwestern Pacific: Cryptic mitochondrial lineages and mito-nuclear discordance

Cited by 17 publications

References 78 publications

Phylogeography of Tridentiger bifasciatus (Gobiidae) in the Northwestern Pacific

Phylogeography of Tridentiger bifasciatus (Gobiidae) in the Northwestern Pacific

Effect of Extreme Heatwaves on the Mortality and Cellular Immune Responses of Purplish Bifurcate Mussel Mytilisepta virgata (Wiegmann, 1837) (=Septifer virgatus) in Indoor Mesocosm Experiments

Complete mitochondrial genomes and population genetic analysis of Brachidontes variabilis (Krauss, 1848) in China

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