Abstract:
:DNA barcoding is a global initiative that provides a standardized and efficient tool to catalogue and inventory biodiversity, with significant conservation applications. Despite progress across taxonomic realms, globally threatened marine turtles remain underrepresented in this effort. To obtain DNA barcodes of marine turtles, we sequenced a segment of the cytochrome c oxidase subunit I (COI) gene from all seven species in the Atlantic and Pacific Ocean basins (815 bp; n = 80). To further investigate intraspecific variation, we sequenced green turtles (Chelonia mydas) from nine additional Atlantic/Mediterranean nesting areas (n = 164) and from the Eastern Pacific (n = 5). We established character-based DNA barcodes for each species using unique combinations of character states at 76 nucleotide positions. We found that no haplotypes were shared among species and the mean of interspecific variation ranged from 1.68% to 13.0%, and the mean of intraspecific variability was relatively low (0-0.90%). The Eastern Pacific green turtle sequence was identical to an Australian haplotype, suggesting that this marker is not appropriate for identifying these phenotypically distinguishable populations. Analysis of COI revealed a north-south gradient in green turtles of Western Atlantic/Mediterranean nesting areas, supporting a hypothesis of recent dispersal from near equatorial glacial refugia. DNA barcoding of marine turtles is a powerful tool for species identification and wildlife forensics, which also provides complementary data for conservation genetic research.
journal_name
Mol Ecol Resourjournal_title
Molecular ecology resourcesauthors
Naro-Maciel E,Reid B,Fitzsimmons NN,LE M,Desalle R,Amato Gdoi
10.1111/j.1755-0998.2009.02747.xsubject
Has Abstractpub_date
2010-03-01 00:00:00pages
252-63issue
2eissn
1755-098Xissn
1755-0998journal_volume
10pub_type
杂志文章abstract::Female Drosophila melanogaster frequently mate with multiple males in nature as shown through parentage analysis. Although polyandry is well documented, we know little about the timing between mating events in wild Drosophila populations due to the challenge of following behaviours of individual females. In this study...
journal_title:Molecular ecology resources
pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:2008-03-01 00:00:00
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journal_title:Molecular ecology resources
pub_type: 杂志文章
doi:10.1111/1755-0998.13018
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journal_title:Molecular ecology resources
pub_type: 杂志文章
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更新日期:2008-01-01 00:00:00
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journal_title:Molecular ecology resources
pub_type: 杂志文章
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更新日期:2008-01-01 00:00:00
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pub_type: 杂志文章
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journal_title:Molecular ecology resources
pub_type: 杂志文章
doi:10.1111/1755-0998.13281
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journal_title:Molecular ecology resources
pub_type: 杂志文章
doi:10.1111/1755-0998.12232
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journal_title:Molecular ecology resources
pub_type: 杂志文章
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journal_title:Molecular ecology resources
pub_type: 杂志文章
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journal_title:Molecular ecology resources
pub_type: 杂志文章
doi:10.1111/j.1755-0998.2009.02628.x
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journal_title:Molecular ecology resources
pub_type: 杂志文章
doi:10.1111/1755-0998.12466
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journal_title:Molecular ecology resources
pub_type: 杂志文章
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journal_title:Molecular ecology resources
pub_type: 杂志文章
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journal_title:Molecular ecology resources
pub_type: 杂志文章
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journal_title:Molecular ecology resources
pub_type: 杂志文章
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journal_title:Molecular ecology resources
pub_type: 杂志文章,评审
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journal_title:Molecular ecology resources
pub_type: 杂志文章
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journal_title:Molecular ecology resources
pub_type: 杂志文章
doi:10.1111/1755-0998.12665
更新日期:2017-09-01 00:00:00
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journal_title:Molecular ecology resources
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journal_title:Molecular ecology resources
pub_type: 杂志文章
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journal_title:Molecular ecology resources
pub_type: 杂志文章
doi:10.1111/j.1755-0998.2009.02678.x
更新日期:2009-09-01 00:00:00