Heterotrophy on ultraplankton communities is an important source of nitrogen for a sponge-rhodophyte symbiosis

A.J. Pile; A. Grant; R. Hinde; M.A. Borowitzka

doi:10.1242/jeb.00698

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Heterotrophy on ultraplankton communities is an important source of nitrogen for a sponge-rhodophyte symbiosis

Journal article

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Heterotrophy on ultraplankton communities is an important source of nitrogen for a sponge-rhodophyte symbiosis

A.J. Pile, A. Grant, R. Hinde and M.A. Borowitzka

The Journal of Experimental Biology, Vol.206(Pt. 24), pp.4533-4538

12/2003

DOI: https://doi.org/10.1242/jeb.00698

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Abstract

Grazing on ultraplankton by the sponge partner of an invertebrate/algal symbiotic association can provide enough particulate organic nitrogen to support the nitrogen needs of both partners. The previously unknown natural diet of the sponge in the Haliclona-Ceratodictyon association consists of bacteria and protozoans, which are rich sources of nitrogen. Retention of ultraplankton varied with season and time of day. During the winter there was an order of magnitude more nitrogen taken up than in summer. Time of day during each season also affected the amount of ultraplankton retained. In summer retention was higher at night whereas the opposite was true during winter. Overall, the Haliclona-Ceratodictyon association is able to meet its metabolic nitrogen demands through grazing on the naturally occurring water column community.

Details

Title: Heterotrophy on ultraplankton communities is an important source of nitrogen for a sponge-rhodophyte symbiosis
Authors/Creators: A.J. Pile (Author/Creator) - Flinders University
A. Grant (Author/Creator) - The University of Sydney
R. Hinde (Author/Creator) - The University of Sydney
M.A. Borowitzka (Author/Creator) - Murdoch University
Publication Details: The Journal of Experimental Biology, Vol.206(Pt. 24), pp.4533-4538
Publisher: Company of Biologists
Identifiers: 991005540941007891
Copyright: 2003 The Company of Biologists Ltd.
Murdoch Affiliation: School of Biological Sciences and Biotechnology
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.198 Mycotoxins; 3.198.749 Porifera
Web Of Science research areas: Biology; Zoology
ESI research areas: Biology & Biochemistry