Human-mediated processes affecting distribution and genetic structure of<i>Squalidus multimaculatus</i>, a freshwater cyprinid with small spatial range

Lee, Yoon Jeong; Bae, Han‐Gyu; Jeon, Hyung‐Bae; Kim, Dong‐Young; Suk, Ho Young

doi:10.1080/19768354.2017.1371074

Cited by 4 publications

(2 citation statements)

References 25 publications

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“…Squalidus multimaculatus, S. chankaensis tsuchigae, S. japonicus coreanus, and S. gracilis majimae of the Squalidus (Cypriniformes: Cyprinidae) genus are endemic freshwater species that are distributed in South Korea. S. multimaculatus has a restricted habitat in the rivers flowing to the East coast and is threatened with extinction (Lee et al 2017).…”

Section: Mitochondrial Genome; Phylogenetic Analysis; Squalidus Multimentioning

confidence: 99%

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The complete mitochondrial genome sequence and phylogenetic analysis of Squalidus multimaculatus

Park

Kim

Sagong

et al. 2020

Mitochondrial DNA Part B

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This study reports the complete mitochondrial genome of Squalidus multimaculatus. The length of the mitochondrial genome of S. multimaculatus is 16,597 bp, including 13 protein-coding genes, 22 transfer RNA genes, two ribosomal RNA genes, and one control region. The overall base composition of A, G, T, and C is 28%, 18.8%, 25%, and 28.2%, respectively. A phylogenetic analysis by the neighbour-joining method showed a close relationship between S. multimaculatus and S. japonicus coreanus. We believe these results will provide essential data for phylogeographic studies of the genus Squalidus.

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Section: Mitochondrial Genome; Phylogenetic Analysis; Squalidus Multimentioning

confidence: 99%

“…multimaculatus has a restricted habitat in the rivers flowing to the East coast and is threatened with extinction (Lee et al. 2017 ).…”

mentioning

confidence: 99%

The complete mitochondrial genome sequence and phylogenetic analysis of Squalidus multimaculatus

Park

Kim

Sagong

et al. 2020

Mitochondrial DNA Part B

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Phylogeography of the Korean endemic Coreoleuciscus (Cypriniformes: Gobionidae): the genetic evidence of colonization through Eurasian continent to the Korean Peninsula during Late Plio-Pleistocene

et al. 2022

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Background Freshwater endemism is thought to have been formed through the vicariance of connected water systems or the process by which ancestral populations colonized specific areas. The Korean Peninsula is well recognized for its high level of freshwater endemism with about 40% of freshwater fish species being endemic. Objective In this study, we attempted to reconstruct the process of speciation and phylogenetic dispersal of Coreoleuciscus species, which is endemic in the Korean Peninsula. Methods We used fossil-calibrated divergence time estimation and ancestral distributional reconstruction to infer phylogeographic reconstruction of Coreoleuciscus based on mitochondrial cytochrome c oxidate subunit I (COI) sequences (1551 bp). Results Our phylogeographic analysis based on a total of 626 individuals revealed that the two Coreoleuciscus species have originated from the independent colonization of different lineages in the ancestral populations, probably during the Late Plio-Pleistocene. The full-scale expansion of Coreoleuciscus populations appears to have taken place after major river structures were completed on the Korean Peninsula. We also provided evidence that the common ancestors of Coreoleuciscus was distributed in Eastern Eurasian continent and subsequently dispersed into the tip of East Asia. High genetic diversity was mainly concentrated in large drainage populations, while small populations showed an monomorphism, which could give important implications for planning the conservation and management of Coreoleuciscus. Conclusions The phylogenetic background of the rheophilic Coreoleuciscus species can be explained by the colonizer hypothesis that the endemic freshwater fish originated from the common ancestor in continental region.

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The genetic structure of Squalidus multimaculatus revealing the historical pattern of serial colonization on the tip of East Asian continent

Jeon

Kim

Lee

et al. 2018

Sci Rep

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Separated river systems could create confluences via two geological processes, estuary coalescence in response to decreasing sea levels and headwater capture, allowing primary freshwater species to disperse across rivers. Squalidus multimaculatus, is an endemic and primary freshwater species restricted to the southeast coast of the Korean Peninsula. The distribution of this species is unique, given that other congeneric species, including its closely related S. gracilis majimae, as well as other cyprind species are observed throughout the peninsula except for the east coast. Phylogeographic analyses were conducted using three mitochondrial loci to identify the origin of S. multimaculatus and the historical pathways of dispersal. A strong phylogenetic affinity between S. multimaculatus and S. g. majimae and the genetic structure among populations indicated that S. multimaculatus originated from the eastward colonization of the common ancestor between S. g. majimae and S. multimaculatus via headwater capture through fault zones within successive mountain range. Following colonization, the ancestral S. multimaculatus likely migrated towards north via estuary coalescence along a well-developed continental shelf. Our study was the first empirical attempt providing insights into how freshwater organisms dispersed to the southernmost tip of East Asia, despite the potential loss of such historical imprints with anthropogenic interference.

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Human-mediated processes affecting distribution and genetic structure ofSqualidus multimaculatus, a freshwater cyprinid with small spatial range

Cited by 4 publications

References 25 publications

The complete mitochondrial genome sequence and phylogenetic analysis of Squalidus multimaculatus

The complete mitochondrial genome sequence and phylogenetic analysis of Squalidus multimaculatus

Phylogeography of the Korean endemic Coreoleuciscus (Cypriniformes: Gobionidae): the genetic evidence of colonization through Eurasian continent to the Korean Peninsula during Late Plio-Pleistocene

The genetic structure of Squalidus multimaculatus revealing the historical pattern of serial colonization on the tip of East Asian continent

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