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Embryological aspects of inducible morphological defenses in Daphnia.

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Embryological aspects of inducible morphological defenses in Daphnia. / Laforsch, Christian; Tollrian, Ralph.
In: Journal of Morphology, Vol. 262, No. 3, 12.2004, p. 701-707.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Laforsch, C & Tollrian, R 2004, 'Embryological aspects of inducible morphological defenses in Daphnia.', Journal of Morphology, vol. 262, no. 3, pp. 701-707. https://doi.org/10.1002/jmor.10270

APA

Laforsch, C., & Tollrian, R. (2004). Embryological aspects of inducible morphological defenses in Daphnia. Journal of Morphology, 262(3), 701-707. https://doi.org/10.1002/jmor.10270

Vancouver

Laforsch C, Tollrian R. Embryological aspects of inducible morphological defenses in Daphnia. Journal of Morphology. 2004 Dec;262(3):701-707. doi: 10.1002/jmor.10270

Author

Laforsch, Christian ; Tollrian, Ralph. / Embryological aspects of inducible morphological defenses in Daphnia. In: Journal of Morphology. 2004 ; Vol. 262, No. 3. pp. 701-707.

Bibtex

@article{4e967c2393514031a4b0918a4bfc48d7,
title = "Embryological aspects of inducible morphological defenses in Daphnia.",
abstract = "Many cases of predator-induced morphological plasticity in daphnids are well studied examples of inducible defenses. However, little is known about the early development of these sometimes conspicuous traits. We compared for the first time in five different Daphnia species the embryonic development of predator-induced and noninduced animals using scanning electron microscopy (SEM). We observed significant morphological changes in the last embryonic stage in helmet formation in Daphnia cucullata and in neck-pedestal development in Daphnia pulex. In contrast, no morphological changes could be found during embryogenesis between induced and noninduced Daphnia lumholtzi, D. longicephala, and D. ambigua. Strategies for initiating the defensive traits differ among Daphnia species because of trade-offs between environmental requirements and developmental constraints. Some general features of Daphnia embryonic development are described using SEM. All Daphnia embryos have to shed at least three different membranes before leaving the brood pouch of the mother. After the embryos shed the third membrane, chemosensillae that are likely able to detect predator-released chemicals are exposed to the olfactory environment.",
keywords = "phenotypic plasticity • embryology • inducible defenses • Daphnia • SEM",
author = "Christian Laforsch and Ralph Tollrian",
year = "2004",
month = dec,
doi = "10.1002/jmor.10270",
language = "English",
volume = "262",
pages = "701--707",
journal = "Journal of Morphology",
issn = "0362-2525",
publisher = "John Wiley and Sons Inc.",
number = "3",

}

RIS

TY - JOUR

T1 - Embryological aspects of inducible morphological defenses in Daphnia.

AU - Laforsch, Christian

AU - Tollrian, Ralph

PY - 2004/12

Y1 - 2004/12

N2 - Many cases of predator-induced morphological plasticity in daphnids are well studied examples of inducible defenses. However, little is known about the early development of these sometimes conspicuous traits. We compared for the first time in five different Daphnia species the embryonic development of predator-induced and noninduced animals using scanning electron microscopy (SEM). We observed significant morphological changes in the last embryonic stage in helmet formation in Daphnia cucullata and in neck-pedestal development in Daphnia pulex. In contrast, no morphological changes could be found during embryogenesis between induced and noninduced Daphnia lumholtzi, D. longicephala, and D. ambigua. Strategies for initiating the defensive traits differ among Daphnia species because of trade-offs between environmental requirements and developmental constraints. Some general features of Daphnia embryonic development are described using SEM. All Daphnia embryos have to shed at least three different membranes before leaving the brood pouch of the mother. After the embryos shed the third membrane, chemosensillae that are likely able to detect predator-released chemicals are exposed to the olfactory environment.

AB - Many cases of predator-induced morphological plasticity in daphnids are well studied examples of inducible defenses. However, little is known about the early development of these sometimes conspicuous traits. We compared for the first time in five different Daphnia species the embryonic development of predator-induced and noninduced animals using scanning electron microscopy (SEM). We observed significant morphological changes in the last embryonic stage in helmet formation in Daphnia cucullata and in neck-pedestal development in Daphnia pulex. In contrast, no morphological changes could be found during embryogenesis between induced and noninduced Daphnia lumholtzi, D. longicephala, and D. ambigua. Strategies for initiating the defensive traits differ among Daphnia species because of trade-offs between environmental requirements and developmental constraints. Some general features of Daphnia embryonic development are described using SEM. All Daphnia embryos have to shed at least three different membranes before leaving the brood pouch of the mother. After the embryos shed the third membrane, chemosensillae that are likely able to detect predator-released chemicals are exposed to the olfactory environment.

KW - phenotypic plasticity • embryology • inducible defenses • Daphnia • SEM

U2 - 10.1002/jmor.10270

DO - 10.1002/jmor.10270

M3 - Journal article

VL - 262

SP - 701

EP - 707

JO - Journal of Morphology

JF - Journal of Morphology

SN - 0362-2525

IS - 3

ER -