Loss of genetic diversity in sea otters (Enhydra lutris) associated with the fur trade of the 18th and 19th centuries
Sea otter (Enhydra lutris) populations experienced widespread reduction and extirpation due to the fur trade of the 18th and 19th centuries. We examined genetic variation within four microsatellite markers and the mitochondrial DNA (mtDNA) d‐loop in one prefur trade population and compared it to fiv...
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| Veröffentlicht in: | Molecular ecology 2002-10, Vol.11 (10), p.1899-1903 |
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| container_end_page | 1903 |
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| container_issue | 10 |
| container_start_page | 1899 |
| container_title | Molecular ecology |
| container_volume | 11 |
| creator | Larson, Shawn Jameson, Ronald Etnier, Michael Fleming, Melissa Bentzen, Paul |
| description | Sea otter (Enhydra lutris) populations experienced widespread reduction and extirpation due to the fur trade of the 18th and 19th centuries. We examined genetic variation within four microsatellite markers and the mitochondrial DNA (mtDNA) d‐loop in one prefur trade population and compared it to five modern populations to determine potential losses in genetic variation. While mtDNA sequence variability was low within both modern and extinct populations, analysis of microsatellite allelic data revealed that the prefur trade population had significantly more variation than all the extant sea otter populations. Reduced genetic variation may lead to inbreeding depression and we believe sea otter populations should be closely monitored for potential associated negative effects. |
| doi_str_mv | 10.1046/j.1365-294X.2002.01599.x |
| format | Article |
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We examined genetic variation within four microsatellite markers and the mitochondrial DNA (mtDNA) d‐loop in one prefur trade population and compared it to five modern populations to determine potential losses in genetic variation. While mtDNA sequence variability was low within both modern and extinct populations, analysis of microsatellite allelic data revealed that the prefur trade population had significantly more variation than all the extant sea otter populations. 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We examined genetic variation within four microsatellite markers and the mitochondrial DNA (mtDNA) d‐loop in one prefur trade population and compared it to five modern populations to determine potential losses in genetic variation. While mtDNA sequence variability was low within both modern and extinct populations, analysis of microsatellite allelic data revealed that the prefur trade population had significantly more variation than all the extant sea otter populations. Reduced genetic variation may lead to inbreeding depression and we believe sea otter populations should be closely monitored for potential associated negative effects.</description><subject>ancient DNA</subject><subject>Animals</subject><subject>Animals, Wild</subject><subject>Bone and Bones</subject><subject>Commerce - history</subject><subject>DNA, Mitochondrial - genetics</subject><subject>Enhydra lutris</subject><subject>genetic diversity</subject><subject>Genetic Variation - genetics</subject><subject>Genetics, Population</subject><subject>Hair</subject><subject>History, 18th Century</subject><subject>History, 19th Century</subject><subject>Microsatellite Repeats - genetics</subject><subject>microsatellites</subject><subject>Otters - genetics</subject><subject>Paleontology</subject><subject>population bottleneck</subject><subject>Population Dynamics</subject><subject>sea otter</subject><issn>0962-1083</issn><issn>1365-294X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkU9v1DAQxS1ERZfCV0A-ITgk9Z_YsQ8c0GppEdtyAbriYjnJhPWSTVrbobvfvk53VY5wsUcz772R_UMIU5JTUsjzTU65FBnTxSpnhLCcUKF1vnuGZk-D52hGtGQZJYqfopchbAihnAnxAp1SxrTUvJihcTmEgIcW_4Ieoqtx4_6ADy7usetxAIuHGFMDv1v0633jLe7G6F14j20IQ-1shAbfu7jGcQ24HT2O3jYwJU4NqtLE9g2mOhU19HH0DsIrdNLaLsDr432Gvn9afJtfZsuvF5_nH5dZXSitM6uAtQ1VtLbclpSUpShkkY4GyvTOtrKVZERZUlFteSsklbKgFWnqgrSKEH6G3h5yb_1wN0KIZutCDV1nexjGYEpGmeBU_FNIlSBESpWE6iCsffo4D6259W5r_d5QYiY2ZmMmBGZCYCY25pGN2SXrm-OOsdpC89d4hJEEHw6Ce9fB_r-DzdViPlXJnx38LkTYPfmt_21kyUthbq4vzPWP1c8bvVqaL_wBP9usYQ</recordid><startdate>200210</startdate><enddate>200210</enddate><creator>Larson, Shawn</creator><creator>Jameson, Ronald</creator><creator>Etnier, Michael</creator><creator>Fleming, Melissa</creator><creator>Bentzen, Paul</creator><general>Blackwell Science Ltd</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H95</scope><scope>L.G</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope></search><sort><creationdate>200210</creationdate><title>Loss of genetic diversity in sea otters (Enhydra lutris) associated with the fur trade of the 18th and 19th centuries</title><author>Larson, Shawn ; Jameson, Ronald ; Etnier, Michael ; Fleming, Melissa ; Bentzen, Paul</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4899-a8e2fd181ca3a710775464754de7136fbab6208a0b19a3f5616641b0dc40f8003</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>ancient DNA</topic><topic>Animals</topic><topic>Animals, Wild</topic><topic>Bone and Bones</topic><topic>Commerce - history</topic><topic>DNA, Mitochondrial - genetics</topic><topic>Enhydra lutris</topic><topic>genetic diversity</topic><topic>Genetic Variation - genetics</topic><topic>Genetics, Population</topic><topic>Hair</topic><topic>History, 18th Century</topic><topic>History, 19th Century</topic><topic>Microsatellite Repeats - genetics</topic><topic>microsatellites</topic><topic>Otters - genetics</topic><topic>Paleontology</topic><topic>population bottleneck</topic><topic>Population Dynamics</topic><topic>sea otter</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Larson, Shawn</creatorcontrib><creatorcontrib>Jameson, Ronald</creatorcontrib><creatorcontrib>Etnier, Michael</creatorcontrib><creatorcontrib>Fleming, Melissa</creatorcontrib><creatorcontrib>Bentzen, Paul</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Molecular ecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Larson, Shawn</au><au>Jameson, Ronald</au><au>Etnier, Michael</au><au>Fleming, Melissa</au><au>Bentzen, Paul</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Loss of genetic diversity in sea otters (Enhydra lutris) associated with the fur trade of the 18th and 19th centuries</atitle><jtitle>Molecular ecology</jtitle><addtitle>Mol Ecol</addtitle><date>2002-10</date><risdate>2002</risdate><volume>11</volume><issue>10</issue><spage>1899</spage><epage>1903</epage><pages>1899-1903</pages><issn>0962-1083</issn><eissn>1365-294X</eissn><abstract>Sea otter (Enhydra lutris) populations experienced widespread reduction and extirpation due to the fur trade of the 18th and 19th centuries. We examined genetic variation within four microsatellite markers and the mitochondrial DNA (mtDNA) d‐loop in one prefur trade population and compared it to five modern populations to determine potential losses in genetic variation. While mtDNA sequence variability was low within both modern and extinct populations, analysis of microsatellite allelic data revealed that the prefur trade population had significantly more variation than all the extant sea otter populations. Reduced genetic variation may lead to inbreeding depression and we believe sea otter populations should be closely monitored for potential associated negative effects.</abstract><cop>Oxford, UK</cop><pub>Blackwell Science Ltd</pub><pmid>12296934</pmid><doi>10.1046/j.1365-294X.2002.01599.x</doi><tpages>5</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0962-1083 |
| ispartof | Molecular ecology, 2002-10, Vol.11 (10), p.1899-1903 |
| issn | 0962-1083 1365-294X |
| language | eng |
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| source | MEDLINE; Wiley Online Library Journals Frontfile Complete |
| subjects | ancient DNA Animals Animals, Wild Bone and Bones Commerce - history DNA, Mitochondrial - genetics Enhydra lutris genetic diversity Genetic Variation - genetics Genetics, Population Hair History, 18th Century History, 19th Century Microsatellite Repeats - genetics microsatellites Otters - genetics Paleontology population bottleneck Population Dynamics sea otter |
| title | Loss of genetic diversity in sea otters (Enhydra lutris) associated with the fur trade of the 18th and 19th centuries |
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