Publication

Sex-specific telomere length and dynamics in relation to age and reproductive success in Cory's shearwaters

Bauch, C., Gatt, M. C., Granadeiro, J. P., Verhulst, S. & Catry, P., Apr-2020, In : Molecular Ecology. 29, 7, p. 1344-1357 14 p.

Research output: Contribution to journalArticleAcademicpeer-review

APA

Bauch, C., Gatt, M. C., Granadeiro, J. P., Verhulst, S., & Catry, P. (2020). Sex-specific telomere length and dynamics in relation to age and reproductive success in Cory's shearwaters. Molecular Ecology, 29(7), 1344-1357. https://doi.org/10.1111/mec.15399

Author

Bauch, Christina ; Gatt, Marie Claire ; Granadeiro, Jose Pedro ; Verhulst, Simon ; Catry, Paulo. / Sex-specific telomere length and dynamics in relation to age and reproductive success in Cory's shearwaters. In: Molecular Ecology. 2020 ; Vol. 29, No. 7. pp. 1344-1357.

Harvard

Bauch, C, Gatt, MC, Granadeiro, JP, Verhulst, S & Catry, P 2020, 'Sex-specific telomere length and dynamics in relation to age and reproductive success in Cory's shearwaters', Molecular Ecology, vol. 29, no. 7, pp. 1344-1357. https://doi.org/10.1111/mec.15399

Standard

Sex-specific telomere length and dynamics in relation to age and reproductive success in Cory's shearwaters. / Bauch, Christina; Gatt, Marie Claire; Granadeiro, Jose Pedro; Verhulst, Simon; Catry, Paulo.

In: Molecular Ecology, Vol. 29, No. 7, 04.2020, p. 1344-1357.

Research output: Contribution to journalArticleAcademicpeer-review

Vancouver

Bauch C, Gatt MC, Granadeiro JP, Verhulst S, Catry P. Sex-specific telomere length and dynamics in relation to age and reproductive success in Cory's shearwaters. Molecular Ecology. 2020 Apr;29(7): 1344-1357. https://doi.org/10.1111/mec.15399


BibTeX

@article{b2fc392e1a8f4c9ea488c297a9ae674e,
title = "Sex-specific telomere length and dynamics in relation to age and reproductive success in Cory's shearwaters",
abstract = "Individuals in free-living animal populations generally differ substantially in reproductive success, lifespan and other fitness-related traits, but the molecular mechanisms underlying this variation are poorly understood. Telomere length and dynamics are candidate traits explaining this variation, as long telomeres predict a higher survival probability and telomere loss has been shown to reflect experienced {"}life stress.{"} However, telomere dynamics among very long-lived species are unresolved. Additionally, it is generally not well understood how telomeres relate to reproductive success or sex. We measured telomere length and dynamics in erythrocytes to assess their relationship to age, sex and reproduction in Cory's shearwaters (Calonectris borealis), a long-lived seabird, in the context of a long-term study. Adult males had on average 231 bp longer telomeres than females, independent of age. In females, telomere length changed relatively little with age, whereas male telomere length declined significantly. Telomere shortening within males from one year to the next was three times higher than the interannual shortening rate based on cross-sectional data of males. Past long-term reproductive success was sex-specifically reflected in age-corrected telomere length: males with on average high fledgling production were characterized by shorter telomeres, whereas successful females had longer telomeres, and we discuss hypotheses that may explain this contrast. In conclusion, telomere length and dynamics in relation to age and reproduction are sex-dependent in Cory's shearwaters and these findings contribute to our understanding of what characterises individual variation in fitness.",
keywords = "ageing, biomarker, fitness, life-history, reproduction, survival, CALONECTRIS-DIOMEDEA, EARLY-LIFE, INDIVIDUAL HETEROGENEITY, ENVIRONMENTAL-CONDITIONS, PARENTAL CARE, SURVIVAL, QUALITY, STRESS, GROWTH, COSTS",
author = "Christina Bauch and Gatt, {Marie Claire} and Granadeiro, {Jose Pedro} and Simon Verhulst and Paulo Catry",
year = "2020",
month = "4",
doi = "10.1111/mec.15399",
language = "English",
volume = "29",
pages = "1344--1357",
journal = "Molecular Ecology",
issn = "0962-1083",
publisher = "Wiley",
number = "7",

}

RIS

TY - JOUR

T1 - Sex-specific telomere length and dynamics in relation to age and reproductive success in Cory's shearwaters

AU - Bauch, Christina

AU - Gatt, Marie Claire

AU - Granadeiro, Jose Pedro

AU - Verhulst, Simon

AU - Catry, Paulo

PY - 2020/4

Y1 - 2020/4

N2 - Individuals in free-living animal populations generally differ substantially in reproductive success, lifespan and other fitness-related traits, but the molecular mechanisms underlying this variation are poorly understood. Telomere length and dynamics are candidate traits explaining this variation, as long telomeres predict a higher survival probability and telomere loss has been shown to reflect experienced "life stress." However, telomere dynamics among very long-lived species are unresolved. Additionally, it is generally not well understood how telomeres relate to reproductive success or sex. We measured telomere length and dynamics in erythrocytes to assess their relationship to age, sex and reproduction in Cory's shearwaters (Calonectris borealis), a long-lived seabird, in the context of a long-term study. Adult males had on average 231 bp longer telomeres than females, independent of age. In females, telomere length changed relatively little with age, whereas male telomere length declined significantly. Telomere shortening within males from one year to the next was three times higher than the interannual shortening rate based on cross-sectional data of males. Past long-term reproductive success was sex-specifically reflected in age-corrected telomere length: males with on average high fledgling production were characterized by shorter telomeres, whereas successful females had longer telomeres, and we discuss hypotheses that may explain this contrast. In conclusion, telomere length and dynamics in relation to age and reproduction are sex-dependent in Cory's shearwaters and these findings contribute to our understanding of what characterises individual variation in fitness.

AB - Individuals in free-living animal populations generally differ substantially in reproductive success, lifespan and other fitness-related traits, but the molecular mechanisms underlying this variation are poorly understood. Telomere length and dynamics are candidate traits explaining this variation, as long telomeres predict a higher survival probability and telomere loss has been shown to reflect experienced "life stress." However, telomere dynamics among very long-lived species are unresolved. Additionally, it is generally not well understood how telomeres relate to reproductive success or sex. We measured telomere length and dynamics in erythrocytes to assess their relationship to age, sex and reproduction in Cory's shearwaters (Calonectris borealis), a long-lived seabird, in the context of a long-term study. Adult males had on average 231 bp longer telomeres than females, independent of age. In females, telomere length changed relatively little with age, whereas male telomere length declined significantly. Telomere shortening within males from one year to the next was three times higher than the interannual shortening rate based on cross-sectional data of males. Past long-term reproductive success was sex-specifically reflected in age-corrected telomere length: males with on average high fledgling production were characterized by shorter telomeres, whereas successful females had longer telomeres, and we discuss hypotheses that may explain this contrast. In conclusion, telomere length and dynamics in relation to age and reproduction are sex-dependent in Cory's shearwaters and these findings contribute to our understanding of what characterises individual variation in fitness.

KW - ageing

KW - biomarker

KW - fitness

KW - life-history

KW - reproduction

KW - survival

KW - CALONECTRIS-DIOMEDEA

KW - EARLY-LIFE

KW - INDIVIDUAL HETEROGENEITY

KW - ENVIRONMENTAL-CONDITIONS

KW - PARENTAL CARE

KW - SURVIVAL

KW - QUALITY

KW - STRESS

KW - GROWTH

KW - COSTS

U2 - 10.1111/mec.15399

DO - 10.1111/mec.15399

M3 - Article

VL - 29

SP - 1344

EP - 1357

JO - Molecular Ecology

JF - Molecular Ecology

SN - 0962-1083

IS - 7

ER -

ID: 121885753