Publications by authors named "Nadezhda I Zaslavskaya"

The demographic history of a species can have a lasting impact on its contemporary population genetic structure. Northeastern Pacific (NEP) populations of the rocky shore gastropod have very little mitochondrial DNA (mtDNA) sequence diversity and show no significant population structure despite lacking dispersive planktonic larvae. A contrasting pattern of high mtDNA diversity in the northwestern Pacific (NWP) suggests that may have recently colonized the NEP from the NWP via stepping-stone colonization through the Aleutian-Commander Archipelago (ACA) following the end of the last glacial 20,000 years ago.

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Article Synopsis
  • * We found that genetic diversity was significantly higher in the northwestern Pacific compared to the northeastern Pacific, with some genetic connectivity indicated by a shared haplotype between populations.
  • * Our analysis confirmed that the Sitka periwinkle likely colonized the northeastern Pacific from the northwestern Pacific postglacially, possibly via the Kuril and Aleutian Islands, marking a notable finding in gastropod genetics.
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Species of the genus Nipponacmea inhabit only the Pacific coast of Asia, including the Russian Far East. Their external morphological characters are highly variable and often lead to misidentifications of species. So far, little research has been conducted using molecular markers.

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