Variation of mitochondrial DNA in chinook salmon Oncorhynchus tschawytscha Walbaum populations from Kamchatka

Shpigalskaya, N.Yu.; Брыков, Вл. А.; Gharrett, Anthony J.; Kukhlevsky, A. D.; Шапорев, Р. А.; Varnavskaya, N. V.

doi:10.1134/s1022795408070132

Cited by 3 publications

(3 citation statements)

References 15 publications

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“…In comparison, we sampled 31 individuals from Kamchatka, of which a similar proportion (90.3%) had the same mitochondrial haplotype based on DNA sequencing. While we cannot know for sure that the most commonly sampled haplotype by Shpigalskaya et al (2008) is the same as in our study it corroborates recent colonization of Chinook salmon in the Bering Sea rather than long-term isolation in a northern refugium.…”

Section: Postglacial Recolonizationsupporting

confidence: 58%

“…We can compare the pattern we observed in the Kamchatkan samples to patterns observed by Shpigalskaya et al (2008) who sampled 579 Chinook salmon from the Kamchatka Peninsula, of which 509 (87.9%) had the same mitochondrial haplotype based on RFLP patterns. In comparison, we sampled 31 individuals from Kamchatka, of which a similar proportion (90.3%) had the same mitochondrial haplotype based on DNA sequencing.…”

Section: Postglacial Recolonizationmentioning

confidence: 59%

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Mitochondrial Variation and Biogeographic History of Chinook Salmon

Martin¹,

Steele²,

Brunelli³

et al. 2010

Trans Am Fish Soc

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The genetic variation of many species in the Northern Hemisphere has been influenced by climatic changes during the Pleistocene Epoch. Phylogeographic studies can help determine intraspecific relationships and postglacial recolonization routes for many of these species, potentially leading to a more complete understanding of how flora and fauna respond to dramatic climate change. We analyzed the variation in the mitochondrial DNA sequences of Chinook salmon Oncorhynchus tshawytscha from California to the Kamchatka Peninsula, Russia, to gain insight into the role of Pleistocene glaciation in the genetic structuring of this species. The geographic distribution of haplotypes revealed high levels of genetic diversity in the Columbia River drainage. Nested clade analysis suggests northward expansion from this area during the late Pleistocene, a hypothesis that is further supported by evidence of demographic growth and population expansion in the northern portion of the species' range. Estimates of the divergence time between two phylogenetic clades are correlated with interglacial periods of the Pleistocene. The data suggest the absence of Chinook salmon from the current northern part of its distribution until the late Pleistocene, when northward expansion from a southern refugium occurred (during an interglacial period), followed by the recent genetic divergence of these northern populations.

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Section: Postglacial Recolonizationsupporting

confidence: 58%

Section: Postglacial Recolonizationmentioning

confidence: 59%

Mitochondrial Variation and Biogeographic History of Chinook Salmon

Martin¹,

Steele²,

Brunelli³

et al. 2010

Trans Am Fish Soc

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“…), O. gorbuscha (Churikov and Gharrett ) and O. tschawytscha (Shpigalskaya et al. ). In contrast, S. m. krascheninnikovi , which was formed outside of the areas of glaciations, is characterized by high population differentiation, along with fairly weak differences between populations from geographically distant regions (Oleinik et al.…”

Section: Discussionmentioning

confidence: 99%

Phylogeography of northern Dolly VardenSalvelinus malma malmabased on analysis of mitochondrial DNA

Олейник

Скурихина

Bondar

et al. 2014

J Zoolog Syst Evol Res

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The northern Dolly Varden, Salvelinus malma malma, is a typical representative of arctic fauna distributed in northeastern Asia and northwestern North America. Because its spawning habitats were affected by Pleistocene glacial advances over most of its natural range, S. m. malma is among the most interesting objects of phylogeographic and microevolutionary studies. We reconstructed the genealogy of mtDNA haplotypes from 27 Alaskan and Asian populations to study the influence of glacial and geological vicariance events on the contemporary population genetic structure, phylogeographic subdivision and distribution of the northern Dolly Varden. Analysis of restriction site states in three PCR-amplified mtDNA regions (ND1/ ND2, ND5/ND6, Cytb/D-loop; 47% of the mitochondrial genome) resolved 75 haplotypes in 436 fish. Similar patterns of subspecific variation apparent from hierarchical diversity and nested clade analyses of mtDNA haplotypes identify weak spatial differentiation and low levels of divergence. Our results suggest that (1) demographic history has been influenced by historical range expansions and recent isolation by distance, (2) present populations from Asia and North America were colonized from one main Beringian Refugium, and (3) that this taxon's ancestral population probably experienced a bottleneck in the Beringian Refugium during the late Pleistocene (Wisconsin) glacial period.

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