Age, Sex, and Telomere Dynamics in a Long-Lived Seabird with Male-Biased Parental Care
Publication Date
September 04, 2013
Journal
PLOS ONE
Authors
Rebecca C. Young, Alexander S. Kitaysky, Mark F. Haussmann, Sebastien Descamps, et al
Volume
8
Issue
9
Pages
e74931
DOI
https://dx.plos.org/10.1371/journal.pone.0074931
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0074931
PubMed
http://www.ncbi.nlm.nih.gov/pubmed/24023967
PubMed Central
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3762738
Europe PMC
http://europepmc.org/abstract/MED/24023967
Web of Science
000324515600161
Scopus
84883442384
Mendeley
http://www.mendeley.com/research/age-sex-telomere-dynamics-longlived-seabird-malebiased-parental-care
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Mendeley | Further Information

{"title"=>"Age, Sex, and Telomere Dynamics in a Long-Lived Seabird with Male-Biased Parental Care", "type"=>"journal", "authors"=>[{"first_name"=>"Rebecca C.", "last_name"=>"Young", "scopus_author_id"=>"55637839200"}, {"first_name"=>"Alexander S.", "last_name"=>"Kitaysky", "scopus_author_id"=>"6602114961"}, {"first_name"=>"Mark F.", "last_name"=>"Haussmann", "scopus_author_id"=>"6603450334"}, {"first_name"=>"Sebastien", "last_name"=>"Descamps", "scopus_author_id"=>"22633702300"}, {"first_name"=>"Rachael A.", "last_name"=>"Orben", "scopus_author_id"=>"55541399200"}, {"first_name"=>"Kyle H.", "last_name"=>"Elliott", "scopus_author_id"=>"56577503800"}, {"first_name"=>"Anthony J.", "last_name"=>"Gaston", "scopus_author_id"=>"7103165824"}], "year"=>2013, "source"=>"PLoS ONE", "identifiers"=>{"sgr"=>"84883442384", "doi"=>"10.1371/journal.pone.0074931", "issn"=>"19326203", "pui"=>"369736885", "isbn"=>"1932-6203", "pmid"=>"24023967", "scopus"=>"2-s2.0-84883442384"}, "id"=>"57e75306-0f6a-3b0d-86ff-816dbddde2bb", "abstract"=>"The examination of telomere dynamics is a recent technique in ecology for assessing physiological state and age-related traits from individuals of unknown age. Telomeres shorten with age in most species and are expected to reflect physiological state, reproductive investment, and chronological age. Loss of telomere length is used as an indicator of biological aging, as this detrimental deterioration is associated with lowered survival. Lifespan dimorphism and more rapid senescence in the larger, shorter-lived sex are predicted in species with sexual size dimorphism, however, little is known about the effects of behavioral dimorphism on senescence and life history traits in species with sexual monomorphism. Here we compare telomere dynamics of thick-billed murres (Urialomvia), a species with male-biased parental care, in two ways: 1) cross-sectionally in birds of known-age (0-28 years) from one colony and 2) longitudinally in birds from four colonies. Telomere dynamics are compared using three measures: the telomere restriction fragment (TRF), a lower window of TRF (TOE), and qPCR. All showed age-related shortening of telomeres, but the TRF measure also indicated that adult female murres have shorter telomere length than adult males, consistent with sex-specific patterns of ageing. Adult males had longer telomeres than adult females on all colonies examined, but chick telomere length did not differ by sex. Additionally, inter-annual telomere changes may be related to environmental conditions; birds from a potentially low quality colony lost telomeres, while those at more hospitable colonies maintained telomere length. We conclude that sex-specific patterns of telomere loss exist in the sexually monomorphic thick-billed murre but are likely to occur between fledging and recruitment. Longer telomeres in males may be related to their homogamous sex chromosomes (ZZ) or to selection for longer life in the care-giving sex. Environmental conditions appeared to be the primary drivers of annual changes in adult birds.", "link"=>"http://www.mendeley.com/research/age-sex-telomere-dynamics-longlived-seabird-malebiased-parental-care", "reader_count"=>86, "reader_count_by_academic_status"=>{"Unspecified"=>3, "Professor > Associate Professor"=>4, "Researcher"=>11, "Student > Ph. D. Student"=>30, "Student > Postgraduate"=>3, "Other"=>5, "Student > Master"=>18, "Student > Bachelor"=>6, "Lecturer"=>2, "Professor"=>4}, "reader_count_by_user_role"=>{"Unspecified"=>3, "Professor > Associate Professor"=>4, "Researcher"=>11, "Student > Ph. D. Student"=>30, "Student > Postgraduate"=>3, "Other"=>5, "Student > Master"=>18, "Student > Bachelor"=>6, "Lecturer"=>2, "Professor"=>4}, "reader_count_by_subject_area"=>{"Unspecified"=>5, "Environmental Science"=>10, "Biochemistry, Genetics and Molecular Biology"=>6, "Agricultural and Biological Sciences"=>62, "Medicine and Dentistry"=>1, "Psychology"=>1, "Earth and Planetary Sciences"=>1}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>1}, "Psychology"=>{"Psychology"=>1}, "Earth and Planetary Sciences"=>{"Earth and Planetary Sciences"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>62}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>6}, "Unspecified"=>{"Unspecified"=>5}, "Environmental Science"=>{"Environmental Science"=>10}}, "reader_count_by_country"=>{"Sweden"=>1, "Czech Republic"=>1, "United Kingdom"=>1, "France"=>1, "Spain"=>2}, "group_count"=>3}

Scopus | Further Information

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/1190925"], "description"=>"<p>Diabasodden males lost telomere length, compared to St. Paul or St. George males; all other colonies did not show changes statistically different from zero. At no colony were the differences between the sexes significant. Diabasodden has the poorest conditions and negative population trends and is the only colony where loss occurred. Changes are over one year, and are presented as mean ± 95% confidence interval. </p>", "links"=>[], "tags"=>["percent", "telomere", "breeding", "thick-billed", "murres", "depends"], "article_id"=>788749, "categories"=>["Biological Sciences"], "users"=>["Rebecca C. Young", "Alexander S. Kitaysky", "Mark F. Haussmann", "Sébastien Descamps", "Rachael A. Orben", "Kyle H. Elliott", "Anthony J. Gaston"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0074931.g002", "stats"=>{"downloads"=>0, "page_views"=>15, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Longitudinal_inter_annual_percent_change_in_telomere_length_of_breeding_thick_billed_murres_depends_on_colony_but_not_sex_/788749", "title"=>"Longitudinal (inter-annual) percent change in telomere length of breeding thick-billed murres depends on colony, but not sex.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-09-04 02:36:09"}
  • {"files"=>["https://ndownloader.figshare.com/files/1190924"], "description"=>"<p>Telomere length is measured as TRF (A), TOE (B), and qPCR (C). Males are closed circles and solid lines. Females are open circles and dashed lines.</p>", "links"=>[], "tags"=>["thick-billed"], "article_id"=>788748, "categories"=>["Biological Sciences"], "users"=>["Rebecca C. Young", "Alexander S. Kitaysky", "Mark F. Haussmann", "Sébastien Descamps", "Rachael A. Orben", "Kyle H. Elliott", "Anthony J. Gaston"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0074931.g001", "stats"=>{"downloads"=>0, "page_views"=>13, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Telomere_loss_with_age_and_sex_in_thick_billed_murres_/788748", "title"=>"Telomere loss with age and sex in thick-billed murres.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-09-04 02:36:09"}

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Relative Metric

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