Association of thioautotrophic bacteria with deep-sea sponges. Nishijima, M., Lindsay, D. J, Hata, J., Nakamura, A., Kasai, H., Ise, Y., Fisher, C. R, Fujiwara, Y., Kawato, M., & Maruyama, T. Marine biotechnology (New York, N.Y.), 12(3):253–60, June, 2010.
Association of thioautotrophic bacteria with deep-sea sponges. [link]Paper  doi  abstract   bibtex   
We investigated microorganisms associated with a deep-sea sponge, Characella sp. (Pachastrellidae) collected at a hydrothermal vent site (686 m depth) in the Sumisu Caldera, Ogasawara Island chain, Japan, and with two sponges, Pachastrella sp. (Pachastrellidae) and an unidentified Poecilosclerida sponge, collected at an oil seep (572 m depth) in the Gulf of Mexico, using polymerase chain reaction-denaturing gradient gel electrophoresis (PCR-DGGE) directed at bacterial 16S rRNA gene sequences. In the PCR-DGGE profiles, we detected a single clearly dominant band in each of the Characella sp. and the unidentified Poecilosclerida sponge. BLAST search of their sequences showed that they were most similar (\textgreater99% identity) to those of the gammaproteobacterial thioautotrophic symbionts of deep-sea bivalves from hydrothermal vents, Bathymodiolus spp. Phylogenetic analysis of the near-full length sequences of the 16S rRNA genes cloned from the unidentified Poecilosclerida sponge and Characella sp. confirmed that they were closely related to thioautotrophic symbionts. Although associations between sponges and methanotrophic bacteria have been reported previously, this is the first report of a possible stable association between sponges and thioautotrophic bacteria.
@article{nishijima_association_2010,
	title = {Association of thioautotrophic bacteria with deep-sea sponges.},
	volume = {12},
	issn = {1436-2236},
	url = {http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=2891489&tool=pmcentrez&rendertype=abstract},
	doi = {10.1007/s10126-009-9253-7},
	abstract = {We investigated microorganisms associated with a deep-sea sponge, Characella sp. (Pachastrellidae) collected at a hydrothermal vent site (686 m depth) in the Sumisu Caldera, Ogasawara Island chain, Japan, and with two sponges, Pachastrella sp. (Pachastrellidae) and an unidentified Poecilosclerida sponge, collected at an oil seep (572 m depth) in the Gulf of Mexico, using polymerase chain reaction-denaturing gradient gel electrophoresis (PCR-DGGE) directed at bacterial 16S rRNA gene sequences. In the PCR-DGGE profiles, we detected a single clearly dominant band in each of the Characella sp. and the unidentified Poecilosclerida sponge. BLAST search of their sequences showed that they were most similar ({\textgreater}99\% identity) to those of the gammaproteobacterial thioautotrophic symbionts of deep-sea bivalves from hydrothermal vents, Bathymodiolus spp. Phylogenetic analysis of the near-full length sequences of the 16S rRNA genes cloned from the unidentified Poecilosclerida sponge and Characella sp. confirmed that they were closely related to thioautotrophic symbionts. Although associations between sponges and methanotrophic bacteria have been reported previously, this is the first report of a possible stable association between sponges and thioautotrophic bacteria.},
	number = {3},
	journal = {Marine biotechnology (New York, N.Y.)},
	author = {Nishijima, Miyuki and Lindsay, Dhugal J and Hata, Junko and Nakamura, Aoi and Kasai, Hiroaki and Ise, Yuji and Fisher, Charles R and Fujiwara, Yoshihiro and Kawato, Masaru and Maruyama, Tadashi},
	month = jun,
	year = {2010},
	keywords = {16S, 16S: genetics, Animals, Bacteria, Bacteria: classification, Bacteria: genetics, Bacteria: isolation \& purification, Bacterial, Bacterial: genetics, Ecosystem, Electrophoresis, Gel, Geological Phenomena, Nucleic Acid Denaturation, Oceans and Seas, Phylogeny, Polymerase Chain Reaction, Porifera, Porifera: microbiology, RNA, Ribosomal, Symbiosis, Two-Dimensional, misaki},
	pages = {253--60}
}

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