Trade-off between carotenoid-based sexual ornamentation and
sperm resistance to oxidative challenge

J 2017

Trade-off between carotenoid-based sexual ornamentation and sperm resistance to oxidative challenge

TOMASEK, O., J. ALBRECHTOVA, M. NEMCOVA, Pavlína OPATOVÁ, T. ALBRECHT et. al.

Základní údaje

Originální název

Trade-off between carotenoid-based sexual ornamentation and sperm resistance to oxidative challenge

Autoři

TOMASEK, O. (203 Česká republika, garant), J. ALBRECHTOVA (203 Česká republika), M. NEMCOVA (203 Česká republika), Pavlína OPATOVÁ (203 Česká republika, domácí) a T. ALBRECHT (203 Česká republika)

Vydání

Proceedings of the Royal Society B-Biological Sciences, LONDON, ROYAL SOC, 2017, 0962-8452

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

10600 1.6 Biological sciences

Stát vydavatele

Velká Británie a Severní Irsko

Utajení

není předmětem státního či obchodního tajemství

Impakt faktor

Impact factor: 4.847

Kód RIV

RIV/00216224:14310/17:00097562

Organizační jednotka

Přírodovědecká fakulta

DOI

http://dx.doi.org/10.1098/rspb.2016.2444

UT WoS

000393414300014

Klíčová slova anglicky

sexual selection; phenotype-linked fertility hypothesis; sperm competition theory; ejaculate quality; lutein; zeaxanthin

Štítky

NZ, rivok

Změněno: 12. 4. 2018 16:36, Ing. Nicole Zrilić

Anotace

V originále

It has been hypothesized that carotenoid-based sexual ornamentation signals male fertility and sperm competitive ability as both ornamentation and sperm traits may be co-affected by oxidative stress, resulting in positive covariation (the 'redox-based phenotype-linked fertility hypothesis'; redox-based PLFH). On the other hand, the 'sperm competition theory' (SCT) predicts a trade-off between precopulatory and postcopulatory traits. Here, we manipulate oxidative status (using diquat dibromide) and carotenoid availability in adult zebra finch (Taeniopygia guttata) males in order to test whether carotenoid-based beak ornamentation signals, or is traded off against, sperm resistance to oxidative challenge. Initial beak colouration, but not its change during the experiment, was associated with effect of oxidative challenge on sperm velocity, such that more intense colouration predicted an increase in sperm velocity under control conditions but a decline under oxidative challenge. This suggests a long-term trade-off between ornament expression and sperm resistance to oxidative challenge. Shortening of the sperm midpiece following oxidative challenge further suggests that redox homeostasis may constrain sperm morphometry. Carotenoid supplementation resulted in fewer sperm abnormalities but had no effect on other sperm traits. Overall, our data challenge the redox-based PLFH, partially support the SCT and highlight the importance of carotenoids for normal sperm morphology.

Citovat

TOMASEK, O., J. ALBRECHTOVA, M. NEMCOVA, Pavlína OPATOVÁ a T. ALBRECHT. Trade-off between carotenoid-based sexual ornamentation and sperm resistance to oxidative challenge. Proceedings of the Royal Society B-Biological Sciences. LONDON: ROYAL SOC, 2017, roč. 284, č. 1847, s. nestránkováno, 9 s. ISSN 0962-8452. Dostupné z: https://dx.doi.org/10.1098/rspb.2016.2444.

@article{1389426,
   author = {Tomasek, O. and Albrechtova, J. and Nemcova, M. and Opatová, Pavlína and Albrecht, T.},
   article_location = {LONDON},
   article_number = {1847},
   doi = {http://dx.doi.org/10.1098/rspb.2016.2444},
   keywords = {sexual selection; phenotype-linked fertility hypothesis; sperm competition theory; ejaculate quality; lutein; zeaxanthin},
   language = {eng},
   issn = {0962-8452},
   journal = {Proceedings of the Royal Society B-Biological Sciences},
   title = {Trade-off between carotenoid-based sexual ornamentation and sperm resistance to oxidative challenge},
   volume = {284},
   year = {2017}
}

TY  - JOUR
ID  - 1389426
AU  - Tomasek, O. - Albrechtova, J. - Nemcova, M. - Opatová, Pavlína - Albrecht, T.
PY  - 2017
TI  - Trade-off between carotenoid-based sexual ornamentation and sperm resistance to oxidative challenge
JF  - Proceedings of the Royal Society B-Biological Sciences
VL  - 284
IS  - 1847
SP  - nestránkováno
EP  - nestránkováno
PB  - ROYAL SOC
SN  - 09628452
KW  - sexual selection
KW  - phenotype-linked fertility hypothesis
KW  - sperm competition theory
KW  - ejaculate quality
KW  - lutein
KW  - zeaxanthin
N2  - It has been hypothesized that carotenoid-based sexual ornamentation signals male fertility and sperm competitive ability as both ornamentation and sperm traits may be co-affected by oxidative stress, resulting in positive covariation (the 'redox-based phenotype-linked fertility hypothesis'; redox-based PLFH). On the other hand, the 'sperm competition theory' (SCT) predicts a trade-off between precopulatory and postcopulatory traits. Here, we manipulate oxidative status (using diquat dibromide) and carotenoid availability in adult zebra finch (Taeniopygia guttata) males in order to test whether carotenoid-based beak ornamentation signals, or is traded off against, sperm resistance to oxidative challenge. Initial beak colouration, but not its change during the experiment, was associated with effect of oxidative challenge on sperm velocity, such that more intense colouration predicted an increase in sperm velocity under control conditions but a decline under oxidative challenge. This suggests a long-term trade-off between ornament expression and sperm resistance to oxidative challenge. Shortening of the sperm midpiece following oxidative challenge further suggests that redox homeostasis may constrain sperm morphometry. Carotenoid supplementation resulted in fewer sperm abnormalities but had no effect on other sperm traits. Overall, our data challenge the redox-based PLFH, partially support the SCT and highlight the importance of carotenoids for normal sperm morphology.
ER  -

TOMASEK, O., J. ALBRECHTOVA, M. NEMCOVA, Pavlína OPATOVÁ a T. ALBRECHT. Trade-off between carotenoid-based sexual ornamentation and sperm resistance to oxidative challenge. \textit{Proceedings of the Royal Society B-Biological Sciences}. LONDON: ROYAL SOC, 2017, roč.~284, č.~1847, s.~nestránkováno, 9 s. ISSN~0962-8452. Dostupné z: https://dx.doi.org/10.1098/rspb.2016.2444.

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