Publication

Sex allocation adjustment to mating group size in a simultaneous hermaphrodite

Janicke, T., Marie-Orleach, L., De Mulder, K., Berezikov, E., Ladurner, P., Vizoso, D. B. & Schaerer, L., Nov-2013, In : Evolution. 67, 11, p. 3233-3242 10 p.

Research output: Contribution to journalArticleAcademicpeer-review

APA

Janicke, T., Marie-Orleach, L., De Mulder, K., Berezikov, E., Ladurner, P., Vizoso, D. B., & Schaerer, L. (2013). Sex allocation adjustment to mating group size in a simultaneous hermaphrodite. Evolution, 67(11), 3233-3242. https://doi.org/10.1111/evo.12189

Author

Janicke, Tim ; Marie-Orleach, Lucas ; De Mulder, Katrien ; Berezikov, Eugene ; Ladurner, Peter ; Vizoso, Dita B. ; Schaerer, Lukas. / Sex allocation adjustment to mating group size in a simultaneous hermaphrodite. In: Evolution. 2013 ; Vol. 67, No. 11. pp. 3233-3242.

Harvard

Janicke, T, Marie-Orleach, L, De Mulder, K, Berezikov, E, Ladurner, P, Vizoso, DB & Schaerer, L 2013, 'Sex allocation adjustment to mating group size in a simultaneous hermaphrodite', Evolution, vol. 67, no. 11, pp. 3233-3242. https://doi.org/10.1111/evo.12189

Standard

Sex allocation adjustment to mating group size in a simultaneous hermaphrodite. / Janicke, Tim; Marie-Orleach, Lucas; De Mulder, Katrien; Berezikov, Eugene; Ladurner, Peter; Vizoso, Dita B.; Schaerer, Lukas.

In: Evolution, Vol. 67, No. 11, 11.2013, p. 3233-3242.

Research output: Contribution to journalArticleAcademicpeer-review

Vancouver

Janicke T, Marie-Orleach L, De Mulder K, Berezikov E, Ladurner P, Vizoso DB et al. Sex allocation adjustment to mating group size in a simultaneous hermaphrodite. Evolution. 2013 Nov;67(11):3233-3242. https://doi.org/10.1111/evo.12189


BibTeX

@article{d8e1ba78512b4b2b9b53b93e17f9fb5b,
title = "Sex allocation adjustment to mating group size in a simultaneous hermaphrodite",
abstract = "Sex allocation theory is considered as a touchstone of evolutionary biology, providing some of the best supported examples for Darwinian adaptation. In particular, Hamilton's local mate competition theory has been shown to generate precise predictions for extraordinary sex ratios observed in many separate-sexed organisms. In analogy to local mate competition, Charnov's mating group size model predicts how sex allocation in simultaneous hermaphrodites is affected by the mating group size (i.e., the number of mating partners plus one). Until now, studies have not directly explored the relationship between mating group size and sex allocation, which we here achieve in the simultaneously hermaphroditic flatworm Macrostomum lignano. Using transgenic focal worms with ubiquitous expression of green-fluorescent protein (GFP), we assessed the number of wild-type mating partners carrying GFP+ sperm from these focal worms when raised in different social group sizes. This allowed us to test directly how mating group size was related to the sex allocation of focal worms. We find that the proportion of male investment initially increases with increasing mating group size, but then saturates as predicted by theory. To our knowledge, this is the first direct test of the mating group size model in a simultaneously hermaphroditic animal.",
keywords = "Local mate competition, Macrostomum lignano, mating group size, phenotypic plasticity, sperm competition, LOCAL MATE COMPETITION, FLATWORM MACROSTOMUM SP, SPERM COMPETITION, RATIO ADJUSTMENT, PARASITIC WASP, TESTIS SIZE, DETERMINANTS, EVOLUTION, PATERNITY, ANIMALS",
author = "Tim Janicke and Lucas Marie-Orleach and {De Mulder}, Katrien and Eugene Berezikov and Peter Ladurner and Vizoso, {Dita B.} and Lukas Schaerer",
year = "2013",
month = nov,
doi = "10.1111/evo.12189",
language = "English",
volume = "67",
pages = "3233--3242",
journal = "Evolution",
issn = "1558-5646",
publisher = "Wiley",
number = "11",

}

RIS

TY - JOUR

T1 - Sex allocation adjustment to mating group size in a simultaneous hermaphrodite

AU - Janicke, Tim

AU - Marie-Orleach, Lucas

AU - De Mulder, Katrien

AU - Berezikov, Eugene

AU - Ladurner, Peter

AU - Vizoso, Dita B.

AU - Schaerer, Lukas

PY - 2013/11

Y1 - 2013/11

N2 - Sex allocation theory is considered as a touchstone of evolutionary biology, providing some of the best supported examples for Darwinian adaptation. In particular, Hamilton's local mate competition theory has been shown to generate precise predictions for extraordinary sex ratios observed in many separate-sexed organisms. In analogy to local mate competition, Charnov's mating group size model predicts how sex allocation in simultaneous hermaphrodites is affected by the mating group size (i.e., the number of mating partners plus one). Until now, studies have not directly explored the relationship between mating group size and sex allocation, which we here achieve in the simultaneously hermaphroditic flatworm Macrostomum lignano. Using transgenic focal worms with ubiquitous expression of green-fluorescent protein (GFP), we assessed the number of wild-type mating partners carrying GFP+ sperm from these focal worms when raised in different social group sizes. This allowed us to test directly how mating group size was related to the sex allocation of focal worms. We find that the proportion of male investment initially increases with increasing mating group size, but then saturates as predicted by theory. To our knowledge, this is the first direct test of the mating group size model in a simultaneously hermaphroditic animal.

AB - Sex allocation theory is considered as a touchstone of evolutionary biology, providing some of the best supported examples for Darwinian adaptation. In particular, Hamilton's local mate competition theory has been shown to generate precise predictions for extraordinary sex ratios observed in many separate-sexed organisms. In analogy to local mate competition, Charnov's mating group size model predicts how sex allocation in simultaneous hermaphrodites is affected by the mating group size (i.e., the number of mating partners plus one). Until now, studies have not directly explored the relationship between mating group size and sex allocation, which we here achieve in the simultaneously hermaphroditic flatworm Macrostomum lignano. Using transgenic focal worms with ubiquitous expression of green-fluorescent protein (GFP), we assessed the number of wild-type mating partners carrying GFP+ sperm from these focal worms when raised in different social group sizes. This allowed us to test directly how mating group size was related to the sex allocation of focal worms. We find that the proportion of male investment initially increases with increasing mating group size, but then saturates as predicted by theory. To our knowledge, this is the first direct test of the mating group size model in a simultaneously hermaphroditic animal.

KW - Local mate competition

KW - Macrostomum lignano

KW - mating group size

KW - phenotypic plasticity

KW - sperm competition

KW - LOCAL MATE COMPETITION

KW - FLATWORM MACROSTOMUM SP

KW - SPERM COMPETITION

KW - RATIO ADJUSTMENT

KW - PARASITIC WASP

KW - TESTIS SIZE

KW - DETERMINANTS

KW - EVOLUTION

KW - PATERNITY

KW - ANIMALS

U2 - 10.1111/evo.12189

DO - 10.1111/evo.12189

M3 - Article

VL - 67

SP - 3233

EP - 3242

JO - Evolution

JF - Evolution

SN - 1558-5646

IS - 11

ER -

ID: 5978240