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Embryonic development of the solar-powered nudibranch Phyllodesmium lizardensis (Gastropoda: Nudibranchia).

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Title: Embryonic development of the solar-powered nudibranch Phyllodesmium lizardensis (Gastropoda: Nudibranchia).
Authors: Ahmadian, Rosstin1, Burghardt, Ingo2 ingo.burghardt@austmus.gov.au, Shepherd, Ursula L.1
Source: Molluscan Research. 2016, Vol. 36 Issue 4, p285-289. 5p.
Abstract: In this pilot study we investigated the early embryonic development of the recently described solar-powered nudibranch species Phyllodesmium lizardensis. In previous studies P. lizardensis has been used as a model system to study the symbiosis between nudibranchs and their symbiotic dinoflagellates Symbiodinium, but the transmission mode of symbionts in the life cycle of this species remained unknown. Embryonic development in P. lizardensis was similar to related nudibranch taxa. Specimens laid clear gelatinous egg masses filled with relatively small egg capsules (81.25±3.78 μm, n=11). Zygotes developed into planktotrophic veliger larvae that hatched after about 85 hours. No Symbiodinium cells could be detected by means of light microscopy at any developmental stage in zygotes or unhatched veliger larvae. Vertical transmission of symbionts is therefore unlikely; the timing of Symbiodinium acquisition by this species remains unknown. [ABSTRACT FROM AUTHOR]
Copyright of Molluscan Research is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Embryonic development of the solar-powered nudibranch Phyllodesmium lizardensis (Gastropoda: Nudibranchia).
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  Data: <searchLink fieldCode="AR" term="%22Ahmadian%2C+Rosstin%22">Ahmadian, Rosstin</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Burghardt%2C+Ingo%22">Burghardt, Ingo</searchLink><relatesTo>2</relatesTo><i> ingo.burghardt@austmus.gov.au</i><br /><searchLink fieldCode="AR" term="%22Shepherd%2C+Ursula+L%2E%22">Shepherd, Ursula L.</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Molluscan+Research%22">Molluscan Research</searchLink>. 2016, Vol. 36 Issue 4, p285-289. 5p.
– Name: Abstract
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  Data: In this pilot study we investigated the early embryonic development of the recently described solar-powered nudibranch species Phyllodesmium lizardensis. In previous studies P. lizardensis has been used as a model system to study the symbiosis between nudibranchs and their symbiotic dinoflagellates Symbiodinium, but the transmission mode of symbionts in the life cycle of this species remained unknown. Embryonic development in P. lizardensis was similar to related nudibranch taxa. Specimens laid clear gelatinous egg masses filled with relatively small egg capsules (81.25±3.78 μm, n=11). Zygotes developed into planktotrophic veliger larvae that hatched after about 85 hours. No Symbiodinium cells could be detected by means of light microscopy at any developmental stage in zygotes or unhatched veliger larvae. Vertical transmission of symbionts is therefore unlikely; the timing of Symbiodinium acquisition by this species remains unknown. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Molluscan Research is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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