The ciliophoran affinity of Radiosperma textum, and its relation to other marine ciliate cysts

Pieter R. Gurdebeke; Kenneth Neil Mertens; Lubomir Rajter; Pjotr Meyvisch; Eric Potvin; Eun Jin Yang; Coralie André; Vera Pospelova; Stephen Louwye

doi:10.1016/j.marmicro.2022.102185

The ciliophoran affinity of Radiosperma textum, and its relation to other marine ciliate cysts

Pieter R. Gurdebeke, Kenneth Neil Mertens, Lubomir Rajter, Pjotr Meyvisch, Eric Potvin, Eun Jin Yang, Coralie André, Vera Pospelova, Stephen Louwye

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

3 Scopus citations

Abstract

The acritarch genus Radiosperma has been reported from plankton and sediments since the late 19th century, with suggested biological affinities ranging from invertebrate eggs to tintinnids. Here, the genus description is improved and its two species, Radiosperma corbiferum and Radiosperma textum, are redescribed. Radiosperma textum is shown to be a ciliate cyst related to Askenasia based on new SSU and LSU rRNA sequences. The spatiotemporal distribution and ecology of both species are discussed. The chemical composition is documented based on micro-Fourier Transform Infrared spectroscopy. Furthermore, new SSU and LSU rRNA sequences for several flask shaped ciliate cysts (Fusopsis, Strombidium) are also included in the analysis and the occurrence of fossilizable cysts in the ciliophoran clade is reviewed.

Original language	English (US)
Article number	102185
Journal	Marine Micropaleontology
Volume	178
DOIs	https://doi.org/10.1016/j.marmicro.2022.102185
State	Published - Jan 2023
Externally published	Yes

Bibliographical note

Funding Information:
We would like to thank Nicolas Van Nieuwenhove who provided the sediment from the Labrador Sea used in this study for the genetic analyses. This research was a part of the project titled ‘K-AWARE(KOPRI, 1525011760)’, funded by the Ministry of Oceans and Fisheries, Korea. Astra Labuce (Latvian Institute of Aquatic Ecology) is thanked for sharing information in Radiosperma from the Gulf of Riga. The Regional Council of Brittany, the General Council of Finistère and the urban community of Concarneau-Cornouaille-Agglomération are acknowledged for the funding of the Sigma 300 FE-SEM of the station of Marine Biology in Concarneau. KNM was supported by the project EPICE, financed by Agence de l'Eau Loire-Bretagne and the PhenoMap project, financed by the French National Research Agency (ANR). We are grateful for the constructive manuscript reviews by the editor and two anonymous reviewers.

Funding Information:
We would like to thank Nicolas Van Nieuwenhove who provided the sediment from the Labrador Sea used in this study for the genetic analyses. This research was a part of the project titled ‘K-AWARE(KOPRI, 1525011760 )’, funded by the Ministry of Oceans and Fisheries, Korea . Astra Labuce (Latvian Institute of Aquatic Ecology) is thanked for sharing information in Radiosperma from the Gulf of Riga. The Regional Council of Brittany, the General Council of Finistère and the urban community of Concarneau-Cornouaille-Agglomération are acknowledged for the funding of the Sigma 300 FE-SEM of the station of Marine Biology in Concarneau. KNM was supported by the project EPICE, financed by Agence de l'Eau Loire-Bretagne and the PhenoMap project, financed by the French National Research Agency (ANR). We are grateful for the constructive manuscript reviews by the editor and two anonymous reviewers.

Publisher Copyright:
© 2022 Elsevier B.V.

Keywords

Acritarch
Affinity
Ciliate
Cysts
LSU and SSU rDNA

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10.1016/j.marmicro.2022.102185

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@article{3d36434ac2fe465c84facd2ba9876151,

title = "The ciliophoran affinity of Radiosperma textum, and its relation to other marine ciliate cysts",

abstract = "The acritarch genus Radiosperma has been reported from plankton and sediments since the late 19th century, with suggested biological affinities ranging from invertebrate eggs to tintinnids. Here, the genus description is improved and its two species, Radiosperma corbiferum and Radiosperma textum, are redescribed. Radiosperma textum is shown to be a ciliate cyst related to Askenasia based on new SSU and LSU rRNA sequences. The spatiotemporal distribution and ecology of both species are discussed. The chemical composition is documented based on micro-Fourier Transform Infrared spectroscopy. Furthermore, new SSU and LSU rRNA sequences for several flask shaped ciliate cysts (Fusopsis, Strombidium) are also included in the analysis and the occurrence of fossilizable cysts in the ciliophoran clade is reviewed.",

keywords = "Acritarch, Affinity, Ciliate, Cysts, LSU and SSU rDNA",

author = "Gurdebeke, {Pieter R.} and Mertens, {Kenneth Neil} and Lubomir Rajter and Pjotr Meyvisch and Eric Potvin and Yang, {Eun Jin} and Coralie Andr{\'e} and Vera Pospelova and Stephen Louwye",

note = "Funding Information: We would like to thank Nicolas Van Nieuwenhove who provided the sediment from the Labrador Sea used in this study for the genetic analyses. This research was a part of the project titled {\textquoteleft}K-AWARE(KOPRI, 1525011760){\textquoteright}, funded by the Ministry of Oceans and Fisheries, Korea. Astra Labuce (Latvian Institute of Aquatic Ecology) is thanked for sharing information in Radiosperma from the Gulf of Riga. The Regional Council of Brittany, the General Council of Finist{\`e}re and the urban community of Concarneau-Cornouaille-Agglom{\'e}ration are acknowledged for the funding of the Sigma 300 FE-SEM of the station of Marine Biology in Concarneau. KNM was supported by the project EPICE, financed by Agence de l'Eau Loire-Bretagne and the PhenoMap project, financed by the French National Research Agency (ANR). We are grateful for the constructive manuscript reviews by the editor and two anonymous reviewers. Funding Information: We would like to thank Nicolas Van Nieuwenhove who provided the sediment from the Labrador Sea used in this study for the genetic analyses. This research was a part of the project titled {\textquoteleft}K-AWARE(KOPRI, 1525011760 ){\textquoteright}, funded by the Ministry of Oceans and Fisheries, Korea . Astra Labuce (Latvian Institute of Aquatic Ecology) is thanked for sharing information in Radiosperma from the Gulf of Riga. The Regional Council of Brittany, the General Council of Finist{\`e}re and the urban community of Concarneau-Cornouaille-Agglom{\'e}ration are acknowledged for the funding of the Sigma 300 FE-SEM of the station of Marine Biology in Concarneau. KNM was supported by the project EPICE, financed by Agence de l'Eau Loire-Bretagne and the PhenoMap project, financed by the French National Research Agency (ANR). We are grateful for the constructive manuscript reviews by the editor and two anonymous reviewers. Publisher Copyright: {\textcopyright} 2022 Elsevier B.V.",

year = "2023",

month = jan,

doi = "10.1016/j.marmicro.2022.102185",

language = "English (US)",

volume = "178",

journal = "Marine Micropaleontology",

issn = "0377-8398",

publisher = "Elsevier",

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T1 - The ciliophoran affinity of Radiosperma textum, and its relation to other marine ciliate cysts

AU - Gurdebeke, Pieter R.

AU - Mertens, Kenneth Neil

AU - Rajter, Lubomir

AU - Meyvisch, Pjotr

AU - Potvin, Eric

AU - Yang, Eun Jin

AU - André, Coralie

AU - Pospelova, Vera

AU - Louwye, Stephen

N1 - Funding Information: We would like to thank Nicolas Van Nieuwenhove who provided the sediment from the Labrador Sea used in this study for the genetic analyses. This research was a part of the project titled ‘K-AWARE(KOPRI, 1525011760)’, funded by the Ministry of Oceans and Fisheries, Korea. Astra Labuce (Latvian Institute of Aquatic Ecology) is thanked for sharing information in Radiosperma from the Gulf of Riga. The Regional Council of Brittany, the General Council of Finistère and the urban community of Concarneau-Cornouaille-Agglomération are acknowledged for the funding of the Sigma 300 FE-SEM of the station of Marine Biology in Concarneau. KNM was supported by the project EPICE, financed by Agence de l'Eau Loire-Bretagne and the PhenoMap project, financed by the French National Research Agency (ANR). We are grateful for the constructive manuscript reviews by the editor and two anonymous reviewers. Funding Information: We would like to thank Nicolas Van Nieuwenhove who provided the sediment from the Labrador Sea used in this study for the genetic analyses. This research was a part of the project titled ‘K-AWARE(KOPRI, 1525011760 )’, funded by the Ministry of Oceans and Fisheries, Korea . Astra Labuce (Latvian Institute of Aquatic Ecology) is thanked for sharing information in Radiosperma from the Gulf of Riga. The Regional Council of Brittany, the General Council of Finistère and the urban community of Concarneau-Cornouaille-Agglomération are acknowledged for the funding of the Sigma 300 FE-SEM of the station of Marine Biology in Concarneau. KNM was supported by the project EPICE, financed by Agence de l'Eau Loire-Bretagne and the PhenoMap project, financed by the French National Research Agency (ANR). We are grateful for the constructive manuscript reviews by the editor and two anonymous reviewers. Publisher Copyright: © 2022 Elsevier B.V.

PY - 2023/1

Y1 - 2023/1

N2 - The acritarch genus Radiosperma has been reported from plankton and sediments since the late 19th century, with suggested biological affinities ranging from invertebrate eggs to tintinnids. Here, the genus description is improved and its two species, Radiosperma corbiferum and Radiosperma textum, are redescribed. Radiosperma textum is shown to be a ciliate cyst related to Askenasia based on new SSU and LSU rRNA sequences. The spatiotemporal distribution and ecology of both species are discussed. The chemical composition is documented based on micro-Fourier Transform Infrared spectroscopy. Furthermore, new SSU and LSU rRNA sequences for several flask shaped ciliate cysts (Fusopsis, Strombidium) are also included in the analysis and the occurrence of fossilizable cysts in the ciliophoran clade is reviewed.

AB - The acritarch genus Radiosperma has been reported from plankton and sediments since the late 19th century, with suggested biological affinities ranging from invertebrate eggs to tintinnids. Here, the genus description is improved and its two species, Radiosperma corbiferum and Radiosperma textum, are redescribed. Radiosperma textum is shown to be a ciliate cyst related to Askenasia based on new SSU and LSU rRNA sequences. The spatiotemporal distribution and ecology of both species are discussed. The chemical composition is documented based on micro-Fourier Transform Infrared spectroscopy. Furthermore, new SSU and LSU rRNA sequences for several flask shaped ciliate cysts (Fusopsis, Strombidium) are also included in the analysis and the occurrence of fossilizable cysts in the ciliophoran clade is reviewed.

KW - Acritarch

KW - Affinity

KW - Ciliate

KW - Cysts

KW - LSU and SSU rDNA

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U2 - 10.1016/j.marmicro.2022.102185

DO - 10.1016/j.marmicro.2022.102185

M3 - Article

AN - SCOPUS:85145552293

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JO - Marine Micropaleontology

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M1 - 102185

ER -

The ciliophoran affinity of Radiosperma textum, and its relation to other marine ciliate cysts

Abstract

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Keywords

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