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Environmental distribution of coral-associated relatives of apicomplexan parasites

Environmental distribution of coral-associated relatives of apicomplexan parasites
Environmental distribution of coral-associated relatives of apicomplexan parasites
A lineage of plastid-bearing eukaryotic microbes that is closely related to apicomplexan parasites was recently found in a specific association with coral reefs (apicomplexan-related lineage-V, or ARL-V). Here, we address the possible nature of this association using plastid ‘contamination’ in fine-scale bacterial sequence surveys. In a transect between corals and associated macroalgae, ARL-V is specifically associated with the coral, in contrast to all microalgal types (including diatoms, haptophytes, pelagophytes and photosynthetic apicomplexan relatives, Chromera and Vitrella), which are associated with macroalgae. ARL-V is associated with at least 20 species of symbiotic corals through extended time periods and large geographic distances. It is significantly enriched in healthy coral tissue and shallow reef depths. Altogether, the evidence points to a specific relationship between ARL-V and corals, and is suggestive of symbiosis, perhaps based on photosynthesis.
1751-7362
444-447
Janouškovec, J
fbaa4a5d-872e-465b-b2c3-bb35df455cc6
Horák, A
19e25b00-8d93-43c7-970d-090db26262a0
Barott, KL
a724e3ec-1086-4c75-b448-ea62bcd4d11a
Rohwer, FL
4b9c98f5-83f0-4aa4-aa0c-8bd0780bc17c
Keeling, PJ
fd51c2ef-1daa-442d-b186-71001aa7ca7d
Janouškovec, J
fbaa4a5d-872e-465b-b2c3-bb35df455cc6
Horák, A
19e25b00-8d93-43c7-970d-090db26262a0
Barott, KL
a724e3ec-1086-4c75-b448-ea62bcd4d11a
Rohwer, FL
4b9c98f5-83f0-4aa4-aa0c-8bd0780bc17c
Keeling, PJ
fd51c2ef-1daa-442d-b186-71001aa7ca7d

Janouškovec, J, Horák, A, Barott, KL, Rohwer, FL and Keeling, PJ (2013) Environmental distribution of coral-associated relatives of apicomplexan parasites. The ISME Journal, 7, 444-447. (doi:10.1038/ismej.2012.129).

Record type: Article

Abstract

A lineage of plastid-bearing eukaryotic microbes that is closely related to apicomplexan parasites was recently found in a specific association with coral reefs (apicomplexan-related lineage-V, or ARL-V). Here, we address the possible nature of this association using plastid ‘contamination’ in fine-scale bacterial sequence surveys. In a transect between corals and associated macroalgae, ARL-V is specifically associated with the coral, in contrast to all microalgal types (including diatoms, haptophytes, pelagophytes and photosynthetic apicomplexan relatives, Chromera and Vitrella), which are associated with macroalgae. ARL-V is associated with at least 20 species of symbiotic corals through extended time periods and large geographic distances. It is significantly enriched in healthy coral tissue and shallow reef depths. Altogether, the evidence points to a specific relationship between ARL-V and corals, and is suggestive of symbiosis, perhaps based on photosynthesis.

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More information

Accepted/In Press date: 12 September 2012
e-pub ahead of print date: 15 November 2012
Published date: 1 February 2013

Identifiers

Local EPrints ID: 467276
URI: http://eprints.soton.ac.uk/id/eprint/467276
ISSN: 1751-7362
PURE UUID: 01d8eb94-e447-431a-a795-05410c216aee
ORCID for J Janouškovec: ORCID iD orcid.org/0000-0001-6547-749X

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Date deposited: 05 Jul 2022 16:37
Last modified: 18 Oct 2022 02:02

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Contributors

Author: J Janouškovec ORCID iD
Author: A Horák
Author: KL Barott
Author: FL Rohwer
Author: PJ Keeling

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