The most primitive metazoan animals, the placozoans, show high sensitivity to increasing ocean temperatures and acidities

Dáša Schleicherová; Katharina Dulias; Hans-Jűrgen Osigus; Omid Paknia; Heike Hadrys; Bernd Schierwater

doi:10.1002/ece3.2678

The most primitive metazoan animals, the placozoans, show high sensitivity to increasing ocean temperatures and acidities

Dáša Schleicherová, Katharina Dulias, Hans-Jűrgen Osigus, Omid Paknia, Heike Hadrys, Bernd Schierwater

Archaeology

Research output: Contribution to journal › Article › peer-review

Abstract

The increase in atmospheric carbon dioxide (CO2) leads to rising temperatures and acidification in the oceans, which directly or indirectly affects all marine organisms, from bacteria to animals. We here ask whether the simplest-and possibly also the oldest-metazoan animals, the placozoans, are particularly sensitive to ocean warming and acidification. Placozoans are found in all warm and temperate oceans and are soft-bodied, microscopic invertebrates lacking any calcified structures, organs, or symmetry. We here show that placozoans respond highly sensitive to temperature and acidity stress. The data reveal differential responses in different placozoan lineages and encourage efforts to develop placozoans as a potential biomarker system.

Original language	English
Pages (from-to)	895-904
Number of pages	10
Journal	Ecology and Evolution
Volume	7
Issue number	3
DOIs	https://doi.org/10.1002/ece3.2678
Publication status	Published - 12 Jan 2017

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Schleicherov-_et_al-2017-Ecology_and_Evolution
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Cite this

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AU - Schleicherová, Dáša

AU - Dulias, Katharina

AU - Osigus, Hans-Jűrgen

AU - Paknia, Omid

AU - Hadrys, Heike

AU - Schierwater, Bernd

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AB - The increase in atmospheric carbon dioxide (CO2) leads to rising temperatures and acidification in the oceans, which directly or indirectly affects all marine organisms, from bacteria to animals. We here ask whether the simplest-and possibly also the oldest-metazoan animals, the placozoans, are particularly sensitive to ocean warming and acidification. Placozoans are found in all warm and temperate oceans and are soft-bodied, microscopic invertebrates lacking any calcified structures, organs, or symmetry. We here show that placozoans respond highly sensitive to temperature and acidity stress. The data reveal differential responses in different placozoan lineages and encourage efforts to develop placozoans as a potential biomarker system.

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