Nutrient stress arrests tentacle growth in the coral model Aiptasia

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2019
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Chen, Jit Ern
Herrera, Marcela
Aranda, Manuel
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Zusammenfassung

The symbiosis between cnidarians and dinoflagellate algae of the family Symbiodiniaceae builds the foundation of coral reef ecosystems. The sea anemone Aiptasia is an emerging model organism promising to advance our functional understanding of this symbiotic association. Here, we report the observation of a novel phenotype of symbiotic Aiptasia likely induced by severe nutrient starvation. Under these conditions, developing Aiptasia no longer grow any tentacles. At the same time, fully developed Aiptasia do not lose their tentacles, yet produce asexual offspring lacking tentacles. This phenotype, termed ‘Wurst’ Aiptasia, can be easily induced and reverted by nutrient starvation and addition, respectively. Thereby, this observation may offer a new experimental framework to study mechanisms underlying phenotypic plasticity as well as nutrient cycling within the Cnidaria – Symbiodiniaceae symbiosis.

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570 Biowissenschaften, Biologie
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Exaiptasia pallida, Model organism, Nutrient starvation, Stoichiometry, Stress phenotype
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ISO 690RÄDECKER, Nils, Jit Ern CHEN, Claudia POGOREUTZ, Marcela HERRERA, Manuel ARANDA, Christian R. VOOLSTRA, 2019. Nutrient stress arrests tentacle growth in the coral model Aiptasia. In: Symbiosis. 2019, 78(1), pp. 61-64. ISSN 0334-5114. eISSN 1878-7665. Available under: doi: 10.1007/s13199-019-00603-9
BibTex
@article{Radecker2019-05Nutri-46310,
  year={2019},
  doi={10.1007/s13199-019-00603-9},
  title={Nutrient stress arrests tentacle growth in the coral model Aiptasia},
  number={1},
  volume={78},
  issn={0334-5114},
  journal={Symbiosis},
  pages={61--64},
  author={Rädecker, Nils and Chen, Jit Ern and Pogoreutz, Claudia and Herrera, Marcela and Aranda, Manuel and Voolstra, Christian R.}
}
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