DAO 98:249-254 (2012)  -  DOI: https://doi.org/10.3354/dao02441

NOTE
Candidatus Renichlamydia lutjani, a Gram-negative bacterium in internal organs of blue-striped snapper Lutjanus kasmira from Hawaii

Daniele Corsaro1,2,*, Thierry M. Work3

1CHLAREAS Chlamydia Research Association, 12 rue du Maconnais, 54500 Vandoeuvre-lès-Nancy, France
2Laboratory of Soil Biology, Institute of Biology, University of Neuchâtel, 2000 Neuchâtel, Switzerland
3Honolulu Field Station, National Wildlife Health Center, US Geological Survey, PO Box 50167, Honolulu, Hawaii 96850, USA

ABSTRACT: The blue-striped snapper Lutjanus kasmira (Perciformes, Lutjanidae) are cosmopolitan in the Indo-Pacific but were introduced into Oahu, Hawaii, USA, in the 1950s and have since colonized most of the archipelago. Studies of microparasites in blue-striped snappers from Hawaii revealed chlamydia-like organisms (CLO) infecting the spleen and kidney, characterized by intracellular basophilic granular inclusions containing Gram-negative and Gimenez-positive bacteria similar in appearance to epitheliocysts when seen under light microscopy. We provide molecular evidence that CLO are a new member of Chlamydiae, i.e. Candidatus Renichlamydia lutjani, that represents the first reported case of chlamydial infection in organs other than the gill in fishes.


KEY WORDS: Epitheliocystis · Chlamydia-like organism · Chlamydiae · Blue-striped snapper · Lutjanus kasmira


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Cite this article as: Corsaro D, Work TM (2012) Candidatus Renichlamydia lutjani, a Gram-negative bacterium in internal organs of blue-striped snapper Lutjanus kasmira from Hawaii. Dis Aquat Org 98:249-254. https://doi.org/10.3354/dao02441

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