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A photoreceptor contributes to the natural variation of diapause induction in Daphnia magna

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A photoreceptor contributes to the natural variation of diapause induction in Daphnia magna. / Roulin, A. C.; Bourgeois, Y.; Stiefel, U.; Walser, J.-C.; Ebert, D.

In: Molecular Biology and Evolution, Vol. 33, No. 12, 01.12.2016, p. 3194-3204.

Research output: Contribution to journalArticlepeer-review

Harvard

Roulin, AC, Bourgeois, Y, Stiefel, U, Walser, J-C & Ebert, D 2016, 'A photoreceptor contributes to the natural variation of diapause induction in Daphnia magna', Molecular Biology and Evolution, vol. 33, no. 12, pp. 3194-3204. https://doi.org/10.1093/molbev/msw200

APA

Roulin, A. C., Bourgeois, Y., Stiefel, U., Walser, J-C., & Ebert, D. (2016). A photoreceptor contributes to the natural variation of diapause induction in Daphnia magna. Molecular Biology and Evolution, 33(12), 3194-3204. https://doi.org/10.1093/molbev/msw200

Vancouver

Roulin AC, Bourgeois Y, Stiefel U, Walser J-C, Ebert D. A photoreceptor contributes to the natural variation of diapause induction in Daphnia magna. Molecular Biology and Evolution. 2016 Dec 1;33(12):3194-3204. https://doi.org/10.1093/molbev/msw200

Author

Roulin, A. C. ; Bourgeois, Y. ; Stiefel, U. ; Walser, J.-C. ; Ebert, D. / A photoreceptor contributes to the natural variation of diapause induction in Daphnia magna. In: Molecular Biology and Evolution. 2016 ; Vol. 33, No. 12. pp. 3194-3204.

Bibtex

@article{10e018dca0c444b690f7224ffe2847b8,
title = "A photoreceptor contributes to the natural variation of diapause induction in Daphnia magna",
abstract = "Diapause is an adaptation that allows organisms to survive harsh environmental conditions. In species occurring over broad habitat ranges, both the timing and the intensity of diapause induction can vary across populations, revealing patterns of local adaptation. Understanding the genetic architecture of this fitness-related trait would help clarify how populations adapt to their local environments. In the cyclical parthenogenetic crustacean Daphnia magna, diapause induction is a phenotypic plastic life history trait linked to sexual reproduction, as asexual females have the ability to switch to sexual reproduction and produce resting stages, their sole strategy for surviving habitat deterioration. We have previously shown that the induction of resting stage production correlates with changes in photoperiod that indicate the imminence of habitat deterioration and have identified a Quantitative Trait Locus (QTL) responsible for some of the variation in the induction of resting stages. Here, new data allows us to anchor the QTL to a large scaffold and then, using a combination of a new mapping panel, targeted association mapping and selection analysis in natural populations, to identify candidate genes within the QTL. Our results show that variation in a rhodopsin photoreceptor gene plays a significant role in the variation observed in resting stage induction. This finding provides a mechanistic explanation for the link between diapause and day-length perception that has been suggested in diverse arthropod taxa.",
keywords = "Association mapping, Daphnia magna, Diapause, QTL mapping, Resting-stage, Rhodopsin",
author = "Roulin, {A. C.} and Y. Bourgeois and U. Stiefel and J.-C. Walser and D. Ebert",
year = "2016",
month = dec,
day = "1",
doi = "10.1093/molbev/msw200",
language = "English",
volume = "33",
pages = "3194--3204",
journal = "Molecular Biology and Evolution",
issn = "0737-4038",
publisher = "Oxford University Press",
number = "12",

}

RIS

TY - JOUR

T1 - A photoreceptor contributes to the natural variation of diapause induction in Daphnia magna

AU - Roulin, A. C.

AU - Bourgeois, Y.

AU - Stiefel, U.

AU - Walser, J.-C.

AU - Ebert, D.

PY - 2016/12/1

Y1 - 2016/12/1

N2 - Diapause is an adaptation that allows organisms to survive harsh environmental conditions. In species occurring over broad habitat ranges, both the timing and the intensity of diapause induction can vary across populations, revealing patterns of local adaptation. Understanding the genetic architecture of this fitness-related trait would help clarify how populations adapt to their local environments. In the cyclical parthenogenetic crustacean Daphnia magna, diapause induction is a phenotypic plastic life history trait linked to sexual reproduction, as asexual females have the ability to switch to sexual reproduction and produce resting stages, their sole strategy for surviving habitat deterioration. We have previously shown that the induction of resting stage production correlates with changes in photoperiod that indicate the imminence of habitat deterioration and have identified a Quantitative Trait Locus (QTL) responsible for some of the variation in the induction of resting stages. Here, new data allows us to anchor the QTL to a large scaffold and then, using a combination of a new mapping panel, targeted association mapping and selection analysis in natural populations, to identify candidate genes within the QTL. Our results show that variation in a rhodopsin photoreceptor gene plays a significant role in the variation observed in resting stage induction. This finding provides a mechanistic explanation for the link between diapause and day-length perception that has been suggested in diverse arthropod taxa.

AB - Diapause is an adaptation that allows organisms to survive harsh environmental conditions. In species occurring over broad habitat ranges, both the timing and the intensity of diapause induction can vary across populations, revealing patterns of local adaptation. Understanding the genetic architecture of this fitness-related trait would help clarify how populations adapt to their local environments. In the cyclical parthenogenetic crustacean Daphnia magna, diapause induction is a phenotypic plastic life history trait linked to sexual reproduction, as asexual females have the ability to switch to sexual reproduction and produce resting stages, their sole strategy for surviving habitat deterioration. We have previously shown that the induction of resting stage production correlates with changes in photoperiod that indicate the imminence of habitat deterioration and have identified a Quantitative Trait Locus (QTL) responsible for some of the variation in the induction of resting stages. Here, new data allows us to anchor the QTL to a large scaffold and then, using a combination of a new mapping panel, targeted association mapping and selection analysis in natural populations, to identify candidate genes within the QTL. Our results show that variation in a rhodopsin photoreceptor gene plays a significant role in the variation observed in resting stage induction. This finding provides a mechanistic explanation for the link between diapause and day-length perception that has been suggested in diverse arthropod taxa.

KW - Association mapping

KW - Daphnia magna

KW - Diapause

KW - QTL mapping

KW - Resting-stage

KW - Rhodopsin

U2 - 10.1093/molbev/msw200

DO - 10.1093/molbev/msw200

M3 - Article

VL - 33

SP - 3194

EP - 3204

JO - Molecular Biology and Evolution

JF - Molecular Biology and Evolution

SN - 0737-4038

IS - 12

ER -

ID: 18838283