Metagenomic Analysis of Healthy and White Plague-Affected Mussismilia braziliensis Corals

Gizele D. Garcia, Gustavo B. Gregoracci, Eidy de O. Santos, Pedro M. Meirelles, Genivaldo G.Z. Silva, Rob Edwards, Tomoo Sawabe, Kazuyoshi Gotoh, Shota Nakamura, Tetsuya Iida, Rodrigo L. de Moura, Fabiano L. Thompson

Research output: Contribution to journalArticlepeer-review

58 Citations (Scopus)

Abstract

Coral health is under threat throughout the world due to regional and global stressors. White plague disease (WP) is one of the most important threats affecting the major reef builder of the Abrolhos Bank in Brazil, the endemic coral Mussismilia braziliensis. We performed a metagenomic analysis of healthy and WP-affected M. braziliensis in order to determine the types of microbes associated with this coral species. We also optimized a protocol for DNA extraction from coral tissues. Our taxonomic analysis revealed Proteobacteria, Bacteroidetes, Firmicutes, Cyanobacteria, and Actinomycetes as the main groups in all healthy and WP-affected corals. Vibrionales, members of the Cytophaga-Flavobacterium-Bacteroides complex, Rickettsiales, and Neisseriales were more abundant in the WP-affected corals. Diseased corals also had more eukaryotic metagenomic sequences identified as Alveolata and Apicomplexa. Our results suggest that WP disease in M. braziliensis is caused by a polymicrobial consortium.

Original languageEnglish
Pages (from-to)1076-1086
Number of pages11
JournalMicrobial Ecology
Volume65
Issue number4
DOIs
Publication statusPublished - May 2013
Externally publishedYes

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