Multiple photoreceptor systems control the swim pacemaker activity in box jellyfish

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Multiple photoreceptor systems control the swim pacemaker activity in box jellyfish. / Garm, Anders Lydik; Mori, S.

In: Journal of Experimental Biology, Vol. 212, No. 24, 2009, p. 3951-3960.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Garm, AL & Mori, S 2009, 'Multiple photoreceptor systems control the swim pacemaker activity in box jellyfish', Journal of Experimental Biology, vol. 212, no. 24, pp. 3951-3960. https://doi.org/10.1242/jeb.031559

APA

Garm, A. L., & Mori, S. (2009). Multiple photoreceptor systems control the swim pacemaker activity in box jellyfish. Journal of Experimental Biology, 212(24), 3951-3960. https://doi.org/10.1242/jeb.031559

Vancouver

Garm AL, Mori S. Multiple photoreceptor systems control the swim pacemaker activity in box jellyfish. Journal of Experimental Biology. 2009;212(24):3951-3960. https://doi.org/10.1242/jeb.031559

Author

Garm, Anders Lydik ; Mori, S. / Multiple photoreceptor systems control the swim pacemaker activity in box jellyfish. In: Journal of Experimental Biology. 2009 ; Vol. 212, No. 24. pp. 3951-3960.

Bibtex

@article{5d7202d0e30811deba73000ea68e967b,
title = "Multiple photoreceptor systems control the swim pacemaker activity in box jellyfish",
abstract = "Like all other cnidarian medusae, box jellyfish propel themselves through the water by contracting their bell-shaped body in discrete swim pulses. These pulses are controlled by a swim pacemaker system situated in their sensory structures, the rhopalia. Each medusa has four rhopalia each with a similar set of six eyes of four morphologically different types. We have examined how each of the four eye types influences the swim pacemaker. Multiple photoreceptor systems, three of the four eye types, plus the rhopalial neuropil, affect the swim pacemaker. The lower lens eye inhibits the pacemaker when stimulated and provokes a strong increase in the pacemaker frequency upon light-off. The upper lens eye, the pit eyes and the rhopalial neuropil all have close to the opposite effect. When these responses are compared with all-eye stimulations it is seen that some advanced integration must take place. ",
author = "Garm, {Anders Lydik} and S. Mori",
note = "Key words: cubomedusae, eyes, pacemaker, swim pulse, Tripedalia",
year = "2009",
doi = "10.1242/jeb.031559",
language = "English",
volume = "212",
pages = "3951--3960",
journal = "Journal of Experimental Biology",
issn = "0022-0949",
publisher = "The/Company of Biologists Ltd.",
number = "24",

}

RIS

TY - JOUR

T1 - Multiple photoreceptor systems control the swim pacemaker activity in box jellyfish

AU - Garm, Anders Lydik

AU - Mori, S.

N1 - Key words: cubomedusae, eyes, pacemaker, swim pulse, Tripedalia

PY - 2009

Y1 - 2009

N2 - Like all other cnidarian medusae, box jellyfish propel themselves through the water by contracting their bell-shaped body in discrete swim pulses. These pulses are controlled by a swim pacemaker system situated in their sensory structures, the rhopalia. Each medusa has four rhopalia each with a similar set of six eyes of four morphologically different types. We have examined how each of the four eye types influences the swim pacemaker. Multiple photoreceptor systems, three of the four eye types, plus the rhopalial neuropil, affect the swim pacemaker. The lower lens eye inhibits the pacemaker when stimulated and provokes a strong increase in the pacemaker frequency upon light-off. The upper lens eye, the pit eyes and the rhopalial neuropil all have close to the opposite effect. When these responses are compared with all-eye stimulations it is seen that some advanced integration must take place.

AB - Like all other cnidarian medusae, box jellyfish propel themselves through the water by contracting their bell-shaped body in discrete swim pulses. These pulses are controlled by a swim pacemaker system situated in their sensory structures, the rhopalia. Each medusa has four rhopalia each with a similar set of six eyes of four morphologically different types. We have examined how each of the four eye types influences the swim pacemaker. Multiple photoreceptor systems, three of the four eye types, plus the rhopalial neuropil, affect the swim pacemaker. The lower lens eye inhibits the pacemaker when stimulated and provokes a strong increase in the pacemaker frequency upon light-off. The upper lens eye, the pit eyes and the rhopalial neuropil all have close to the opposite effect. When these responses are compared with all-eye stimulations it is seen that some advanced integration must take place.

U2 - 10.1242/jeb.031559

DO - 10.1242/jeb.031559

M3 - Journal article

C2 - 19946073

VL - 212

SP - 3951

EP - 3960

JO - Journal of Experimental Biology

JF - Journal of Experimental Biology

SN - 0022-0949

IS - 24

ER -

ID: 16126170