In situ identification of symbiotic dinoflagellates, the genus Symbiodinium with fluorescence-labeled rRNA-targeted oligonucleotide probes

Hiroko Yokouchi, Haruko Takeyama, Hideaki Miyashita, Tadashi Maruyama, Tadashi Matsunaga

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Fluorescence in situ hybridization has been used for the identification and analysis of populations of the dinoflagellate Symbiodinium that lives symbiotically in marine invertebrates. Conditions for in situ hybridization of Symbiodinium were optimized and used to identify the clade to which the isolate belongs using specific probes. The optimized in situ hybridization procedure used a combination of chlorophyll removal and permeabilization with hot ethanol. Incubation of the cells in 50% ethanol at 80°C for 20 min rendered the cell wall permeable to Cy3-labeled probes. Symbiodinium clade-specific probes were designed based on 18S rRNA sequences. Symbiodinium A, B and C were distinguished by in situ hybridization with the specific probes SymA, SymB and SymC, respectively. The hybridization results using clade-specific probes corresponded with results obtained using restriction fragment length polymorphism (RFLP) analysis. Symbiodinium isolated from jellyfish Cassiopea sp. and sea anemone Aiptasia sp. were classified as belonging to clades A and B using the FISH procedure established in this study.

Original languageEnglish
Pages (from-to)327-334
Number of pages8
JournalJournal of Microbiological Methods
Volume53
Issue number3
DOIs
Publication statusPublished - 2003 Jun 1
Externally publishedYes

Fingerprint

Dinoflagellida
Oligonucleotide Probes
In Situ Hybridization
Fluorescence
Ethanol
Sea Anemones
Invertebrates
Chlorophyll
Fluorescence In Situ Hybridization
Restriction Fragment Length Polymorphisms
Cell Wall
Population

Keywords

  • FISH
  • Identification
  • Permeabilization
  • Symbiodinium

ASJC Scopus subject areas

  • Biotechnology
  • Applied Microbiology and Biotechnology
  • Microbiology

Cite this

In situ identification of symbiotic dinoflagellates, the genus Symbiodinium with fluorescence-labeled rRNA-targeted oligonucleotide probes. / Yokouchi, Hiroko; Takeyama, Haruko; Miyashita, Hideaki; Maruyama, Tadashi; Matsunaga, Tadashi.

In: Journal of Microbiological Methods, Vol. 53, No. 3, 01.06.2003, p. 327-334.

Research output: Contribution to journalArticle

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