Late quaternary loss of genetic diversity in muskox ( Ovibos ).
BACKGROUND: The modern wildherd of the tundra muskox (Ovibos moschatus) is native only to the New World (northern North America and Greenland), and its genetic diversity is notably low. However, like several other megafaunal mammals, muskoxen enjoyed a holarctic distribution during the late Pleistoc...
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fthzmuenchen:oai:opus-zb.helmholtz-muenchen.de:2754 2023-05-15T14:28:54+02:00 Late quaternary loss of genetic diversity in muskox ( Ovibos ). MacPhee, R.D. Tikhonov, A.N. Mol, D. Greenwood, A.D. 2005-01-01 application/pdf https://push-zb.helmholtz-muenchen.de/frontdoor.php?source_opus=2754 https://doi.org/10.1186/1471-2148-5-49 eng eng BioMed Central info:eu-repo/semantics/altIdentifier/doi/10.1186/1471-2148-5-49 info:eu-repo/semantics/altIdentifier/pmid/16209705 info:eu-repo/semantics/altIdentifier/wos/000232922700001 info:eu-repo/semantics/altIdentifier/isbn/1471-2148 info:eu-repo/semantics/altIden https://push-zb.helmholtz-muenchen.de/frontdoor.php?source_opus=2754 doi:10.1186/1471-2148-5-49 urn:isbn:1471-2148 urn:issn:1471-2148 info:eu-repo/semantics/openAccess BMC Evol. Biol. 5:49 (2005) Text info:eu-repo/semantics/article 2005 fthzmuenchen https://doi.org/10.1186/1471-2148-5-49 2022-11-20T08:51:54Z BACKGROUND: The modern wildherd of the tundra muskox (Ovibos moschatus) is native only to the New World (northern North America and Greenland), and its genetic diversity is notably low. However, like several other megafaunal mammals, muskoxen enjoyed a holarctic distribution during the late Pleistocene. To investigate whether collapse in range and loss of diversity might be correlated, we collected mitochondrial sequence data (hypervariable region and cytochrome b) from muskox fossil material recovered from localities in northeastern Asia and the Arctic Archipelago of northern North America, dating from late Pleistocene to late Holocene, and compared our results to existing databases for modern muskoxen. RESULTS: Two classes of haplotypes were detected in the fossil material. "Surviving haplotypes" (SHs), closely similar or identical to haplotypes found in modern muskoxen and ranging in age from approximately 22,000 to approximately 160 yrbp, were found in all New World samples as well as some samples from northeastern Asia. "Extinct haplotypes" (EHs), dating between approximately 44,000 and ~18,000 yrbp, were found only in material from the Taimyr Peninsula and New Siberian Islands in northeastern Asia. EHs were not found in the Holocene muskoxen specimens available for this study, nor have they been found in other studies of extant muskox populations. CONCLUSION: We provisionally interpret this evidence as showing that genetic variability was reduced in muskoxen after the Last Glacial Maximum but before the mid-Holocene, or roughly within the interval 18,000-4,000 yrbp. Narrowing this gap further will require the recovery of more fossils and additional genetic information from this interval. Article in Journal/Newspaper Arctic Archipelago Arctic Greenland muskox New Siberian Islands ovibos moschatus Taimyr Tundra PuSH - Publikationsserver des Helmholtz Zentrums München Arctic Greenland New Siberian Islands ENVELOPE(142.000,142.000,75.000,75.000) BMC Evolutionary Biology 5 1 49 |
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Open Polar |
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PuSH - Publikationsserver des Helmholtz Zentrums München |
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fthzmuenchen |
language |
English |
description |
BACKGROUND: The modern wildherd of the tundra muskox (Ovibos moschatus) is native only to the New World (northern North America and Greenland), and its genetic diversity is notably low. However, like several other megafaunal mammals, muskoxen enjoyed a holarctic distribution during the late Pleistocene. To investigate whether collapse in range and loss of diversity might be correlated, we collected mitochondrial sequence data (hypervariable region and cytochrome b) from muskox fossil material recovered from localities in northeastern Asia and the Arctic Archipelago of northern North America, dating from late Pleistocene to late Holocene, and compared our results to existing databases for modern muskoxen. RESULTS: Two classes of haplotypes were detected in the fossil material. "Surviving haplotypes" (SHs), closely similar or identical to haplotypes found in modern muskoxen and ranging in age from approximately 22,000 to approximately 160 yrbp, were found in all New World samples as well as some samples from northeastern Asia. "Extinct haplotypes" (EHs), dating between approximately 44,000 and ~18,000 yrbp, were found only in material from the Taimyr Peninsula and New Siberian Islands in northeastern Asia. EHs were not found in the Holocene muskoxen specimens available for this study, nor have they been found in other studies of extant muskox populations. CONCLUSION: We provisionally interpret this evidence as showing that genetic variability was reduced in muskoxen after the Last Glacial Maximum but before the mid-Holocene, or roughly within the interval 18,000-4,000 yrbp. Narrowing this gap further will require the recovery of more fossils and additional genetic information from this interval. |
format |
Article in Journal/Newspaper |
author |
MacPhee, R.D. Tikhonov, A.N. Mol, D. Greenwood, A.D. |
spellingShingle |
MacPhee, R.D. Tikhonov, A.N. Mol, D. Greenwood, A.D. Late quaternary loss of genetic diversity in muskox ( Ovibos ). |
author_facet |
MacPhee, R.D. Tikhonov, A.N. Mol, D. Greenwood, A.D. |
author_sort |
MacPhee, R.D. |
title |
Late quaternary loss of genetic diversity in muskox ( Ovibos ). |
title_short |
Late quaternary loss of genetic diversity in muskox ( Ovibos ). |
title_full |
Late quaternary loss of genetic diversity in muskox ( Ovibos ). |
title_fullStr |
Late quaternary loss of genetic diversity in muskox ( Ovibos ). |
title_full_unstemmed |
Late quaternary loss of genetic diversity in muskox ( Ovibos ). |
title_sort |
late quaternary loss of genetic diversity in muskox ( ovibos ). |
publisher |
BioMed Central |
publishDate |
2005 |
url |
https://push-zb.helmholtz-muenchen.de/frontdoor.php?source_opus=2754 https://doi.org/10.1186/1471-2148-5-49 |
long_lat |
ENVELOPE(142.000,142.000,75.000,75.000) |
geographic |
Arctic Greenland New Siberian Islands |
geographic_facet |
Arctic Greenland New Siberian Islands |
genre |
Arctic Archipelago Arctic Greenland muskox New Siberian Islands ovibos moschatus Taimyr Tundra |
genre_facet |
Arctic Archipelago Arctic Greenland muskox New Siberian Islands ovibos moschatus Taimyr Tundra |
op_source |
BMC Evol. Biol. 5:49 (2005) |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1186/1471-2148-5-49 info:eu-repo/semantics/altIdentifier/pmid/16209705 info:eu-repo/semantics/altIdentifier/wos/000232922700001 info:eu-repo/semantics/altIdentifier/isbn/1471-2148 info:eu-repo/semantics/altIden https://push-zb.helmholtz-muenchen.de/frontdoor.php?source_opus=2754 doi:10.1186/1471-2148-5-49 urn:isbn:1471-2148 urn:issn:1471-2148 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1186/1471-2148-5-49 |
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BMC Evolutionary Biology |
container_volume |
5 |
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1 |
container_start_page |
49 |
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1766303035734097920 |