Phylogeny, Distribution, and Biology of Pygmy Whitefish (<i>Prosopium coulterii</i>) in the Beringia Region (Chukotka)
The pygmy whitefish <i>Prosopium coulterii</i> (C. H. Eigenmann & R. S. Eigenmann, 1892) is a freshwater fish with a highly disjunct distribution ranging from the middle part of North America to Chukotka. There is still no consensus regarding its phylogeny and dispersal history due t...
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2023-04-01
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| author | Grigorii N. Markevich Mikhail M. Solovyev Pavel G. Vlasenko Gelena V. Izotova Elena N. Kashinskaya Nikolai A. Bochkarev Dmitry V. Politov Nikolaii O. Melnik Evgeny V. Esin |
| author_facet | Grigorii N. Markevich Mikhail M. Solovyev Pavel G. Vlasenko Gelena V. Izotova Elena N. Kashinskaya Nikolai A. Bochkarev Dmitry V. Politov Nikolaii O. Melnik Evgeny V. Esin |
| author_sort | Grigorii N. Markevich |
| collection | DOAJ |
| description | The pygmy whitefish <i>Prosopium coulterii</i> (C. H. Eigenmann & R. S. Eigenmann, 1892) is a freshwater fish with a highly disjunct distribution ranging from the middle part of North America to Chukotka. There is still no consensus regarding its phylogeny and dispersal history due to limited information from the Chukotkan part of the range. We investigated 22 lakes over Chukotka and found a much broader distribution than it was previously thought. Pygmy whitefish was found to be a common species in the lakes that belong to rivers draining into the Arctic. Cytochrome B, cytochrome oxidase subunit 1, and ATP synthase F0 subunit 6 mitochondrial sites were analyzed from 25 samples to reconstruct the phylogenetic history of pygmy whitefish. Two haplogroups belonging to the east and west Chukotkan ranges were identified; both groups are closely related to Alaskan pigmy whitefish and distant from the Cascadia-Mackenzie (Peace) populations. Combining the distribution patterns, phylogenetic network topology, and the contemporary knowledge on the glaciation history of the region, we suggest a possible colonization pathway over Beringia region and beyond it. The basic biological characteristics (fork length, number of gill rakers, and pyloric caeca, age structure, and feeding) are also presented to characterize the populations over the investigated range. |
| first_indexed | 2024-03-11T05:04:42Z |
| format | Article |
| id | doaj.art-09dd601eb6d041489ded5cc66a4c0cc0 |
| institution | Directory Open Access Journal |
| issn | 1424-2818 |
| language | English |
| last_indexed | 2024-03-11T05:04:42Z |
| publishDate | 2023-04-01 |
| publisher | MDPI AG |
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| series | Diversity |
| spelling | doaj.art-09dd601eb6d041489ded5cc66a4c0cc02023-11-17T18:57:10ZengMDPI AGDiversity1424-28182023-04-0115454710.3390/d15040547Phylogeny, Distribution, and Biology of Pygmy Whitefish (<i>Prosopium coulterii</i>) in the Beringia Region (Chukotka)Grigorii N. Markevich0Mikhail M. Solovyev1Pavel G. Vlasenko2Gelena V. Izotova3Elena N. Kashinskaya4Nikolai A. Bochkarev5Dmitry V. Politov6Nikolaii O. Melnik7Evgeny V. Esin8Kronotsky Nature Reserve, Yelizovo 684307, RussiaA.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences, Moscow 119071, RussiaA.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences, Moscow 119071, RussiaA.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences, Moscow 119071, RussiaA.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences, Moscow 119071, RussiaInstitute of Systematics and Ecology of Animals, Siberian Branch of the Russian Academy of Sciences, Novosibirsk 630091, RussiaN.I. Vavilov Institute of General Genetics of the Russian Academy of Sciences, Moscow 117971, RussiaA.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences, Moscow 119071, RussiaA.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences, Moscow 119071, RussiaThe pygmy whitefish <i>Prosopium coulterii</i> (C. H. Eigenmann & R. S. Eigenmann, 1892) is a freshwater fish with a highly disjunct distribution ranging from the middle part of North America to Chukotka. There is still no consensus regarding its phylogeny and dispersal history due to limited information from the Chukotkan part of the range. We investigated 22 lakes over Chukotka and found a much broader distribution than it was previously thought. Pygmy whitefish was found to be a common species in the lakes that belong to rivers draining into the Arctic. Cytochrome B, cytochrome oxidase subunit 1, and ATP synthase F0 subunit 6 mitochondrial sites were analyzed from 25 samples to reconstruct the phylogenetic history of pygmy whitefish. Two haplogroups belonging to the east and west Chukotkan ranges were identified; both groups are closely related to Alaskan pigmy whitefish and distant from the Cascadia-Mackenzie (Peace) populations. Combining the distribution patterns, phylogenetic network topology, and the contemporary knowledge on the glaciation history of the region, we suggest a possible colonization pathway over Beringia region and beyond it. The basic biological characteristics (fork length, number of gill rakers, and pyloric caeca, age structure, and feeding) are also presented to characterize the populations over the investigated range.https://www.mdpi.com/1424-2818/15/4/547glacial refugiamigrations reconstructioncytochrome Bcytochrome oxidase subunit 1ATP synthase F0 subunit 6Coregoninae |
| spellingShingle | Grigorii N. Markevich Mikhail M. Solovyev Pavel G. Vlasenko Gelena V. Izotova Elena N. Kashinskaya Nikolai A. Bochkarev Dmitry V. Politov Nikolaii O. Melnik Evgeny V. Esin Phylogeny, Distribution, and Biology of Pygmy Whitefish (<i>Prosopium coulterii</i>) in the Beringia Region (Chukotka) Diversity glacial refugia migrations reconstruction cytochrome B cytochrome oxidase subunit 1 ATP synthase F0 subunit 6 Coregoninae |
| title | Phylogeny, Distribution, and Biology of Pygmy Whitefish (<i>Prosopium coulterii</i>) in the Beringia Region (Chukotka) |
| title_full | Phylogeny, Distribution, and Biology of Pygmy Whitefish (<i>Prosopium coulterii</i>) in the Beringia Region (Chukotka) |
| title_fullStr | Phylogeny, Distribution, and Biology of Pygmy Whitefish (<i>Prosopium coulterii</i>) in the Beringia Region (Chukotka) |
| title_full_unstemmed | Phylogeny, Distribution, and Biology of Pygmy Whitefish (<i>Prosopium coulterii</i>) in the Beringia Region (Chukotka) |
| title_short | Phylogeny, Distribution, and Biology of Pygmy Whitefish (<i>Prosopium coulterii</i>) in the Beringia Region (Chukotka) |
| title_sort | phylogeny distribution and biology of pygmy whitefish i prosopium coulterii i in the beringia region chukotka |
| topic | glacial refugia migrations reconstruction cytochrome B cytochrome oxidase subunit 1 ATP synthase F0 subunit 6 Coregoninae |
| url | https://www.mdpi.com/1424-2818/15/4/547 |
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