The pathology of sponge orange band disease affecting the Caribbean barrel sponge Xestospongia muta

被引：48

作者：

Angermeier, Hilde ^{[1
]}

Kamke, Janine ^{[1
]}

Abdelmohsen, Usama R. ^{[1
]}

Krohne, Georg ^{[2
]}

Pawlik, Joseph R. ^{[3
]}

Lindquist, Niels L. ^{[4
]}

Hentschel, Ute ^{[1
]}

机构：

[1] Univ Wurzburg, Julius von Sachs Inst Biol Sci, D-97070 Wurzburg, Germany

[2] Univ Wurzburg, Bioctr, Div Electron Microscopy, D-97070 Wurzburg, Germany

[3] Univ N Carolina, Dept Biol & Marine Biol, Ctr Marine Sci, Wilmington, NC 28401 USA

[4] Univ N Carolina, Inst Marine Sci, Chapel Hill, NC USA

来源：

FEMS MICROBIOLOGY ECOLOGY | 2011年 / 75卷 / 02期

关键词：

sponge orange band; sponge disease; bleaching; Xestospongia muta; cyanobacteria; microbial consortia; CORAL-REEF SPONGE; MICROBIAL COMMUNITIES; MARINE-INVERTEBRATES; IANTHELLA-BASTA; MASS-MORTALITY; CLIMATE-CHANGE; SEQUENCE DATA; FLORIDA-KEYS; SP-NOV; DIVERSITY;

D O I：

10.1111/j.1574-6941.2010.01001.x

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

The aim of this study was to examine sponge orange band (SOB) disease affecting the prominent Caribbean sponge Xestospongia muta. Scanning and transmission electron microscopy revealed that SOB is accompanied by the massive destruction of the pinacoderm. Chlorophyll a content and the main secondary metabolites, tetrahydrofurans, characteristic of X. muta, were significantly lower in bleached than in healthy tissues. Denaturing gradient gel electrophoresis using cyanobacteria-specific 16S rRNA gene primers revealed a distinct shift from the Synechococcus/Prochlorococcus clade of sponge symbionts towards several clades of unspecific cyanobacteria, including lineages associated with coral disease (i.e. Leptolyngbya sp.). Underwater infection experiments were conducted by transplanting bleached cores into healthy individuals, but revealed no signs of SOB development. This study provided no evidence for the involvement of a specific microbial pathogen as an etiologic agent of disease; hence, the cause of SOB disease in X. muta remains unidentified.

引用

页码：218 / 230

页数：13

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