Phototrophic microendoliths bloom during coral "white syndrome"

Fine, M., Roff, G., Ainsworth, T. D. and Hoegh-Guldberg, O. (2006) Phototrophic microendoliths bloom during coral "white syndrome". Coral Reefs, 25 4: 577-581. doi:10.1007/s00338-006-0143-4

Author Fine, M.
Roff, G.
Ainsworth, T. D.
Hoegh-Guldberg, O.
Title Phototrophic microendoliths bloom during coral "white syndrome"
Journal name Coral Reefs   Check publisher's open access policy
ISSN 0722-4028
Publication date 2006-11
Sub-type Article (original research)
DOI 10.1007/s00338-006-0143-4
Volume 25
Issue 4
Start page 577
End page 581
Total pages 5
Editor Peter K. Swart
Richard E. Dodge
Place of publication Berlin, Germany
Publisher Springer-Verlag
Collection year 2006
Language eng
Subject C1
06 Biological Sciences
0602 Ecology
060205 Marine and Estuarine Ecology (incl. Marine Ichthyology)
Abstract Following rapid lesion progression of white syndrome in tabular Acropora spp., the white bare skeleton gradually changes to green, a result of endolithic algae blooms (primarily Ostreobium spp.). Endolithic algal biomass and chlorophyll concentration were found to be an order of magnitude higher in the green zone compared with healthy appearing parts of each colony. Chl b to Chl a ratio increased from 1:1.6 in the healthy area to 1:2 and 1:3.5 in the white exposed skeleton and green zones, respectively. These observations together with pulse amplitude modulated (PAM) fluorometry suggest photoacclimation of the endoliths in the green zone. Histopathological microscopy revealed that the endolithic algal filaments penetrate the coral tissue. This study highlights the interaction of endolithic algae with both the skeleton and host tissue. This may have a critical role in the processes that accompany the post-disease state in reef-building corals.
Keyword coral disease
endolithic algae
white syndrome
Endolithic Algae
Reef Corals
Band Disease
Brain Coral
Q-Index Code C1

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Created: Wed, 15 Aug 2007, 09:46:02 EST