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Comparative sequence analysis of bacterial symbionts from the marine sponges Geodia cydonium and Ircinia muscarum.

Authors
  • Zuppa, Antonio
  • Costantini, Susan
  • Costantini, Maria
Type
Published Article
Journal
Bioinformation
Publisher
Biomedical Informatics
Publication Date
Jan 01, 2014
Volume
10
Issue
4
Pages
196–200
Identifiers
DOI: 10.6026/97320630010196
PMID: 24966520
Source
Medline
Keywords
License
Unknown

Abstract

Marine sponges (Porifera) live in a symbiotic relationship with microorganisms, primarily bacteria. Recently, several studies indicated that sponges are the most prolific source of biologically-active compounds produced by symbiotic microorganisms rather than by the sponges themselves. In the present study we characterized the bacterial symbionts from two Demospongiae, Ircinia muscarum and Geodia cydonium. We amplified 16S rRNA by PCR, using specific bacterial-primers. The phylogenetic analysis revealed the presence of nine bacterial clones from I. muscarum and ten from G. cydonium. In particular, I. muscarum resulted enriched in Bacillus species and G. cydonium in Proteobacterium species. Since these bacteria were able to produce secondary metabolites with potential biotechnological and biopharmaceutical applications, we hypothesized that I. muscarum and G. cydonium could be a considered as a "gold mine" of natural products.

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