| histology, ultrastructure, and morphogenesis of a rickettsia-like organism causing disease in the oyster, crassostrea ariakensis gould. | moribund specimens of the oyster, crassostrea ariakensis gould, aged 2-3 years were collected from hailing bay in yangxi county of guangdong province from february to may and november to december in the years 2001, 2002, and 2003. a massive infection by an obligate intracellular prokaryote, specifically a rickettsia-like organism (rlo), was found. here we report investigations of this rlo in the tissues of the oyster c. ariakensis gould and describe the histology, ultrastructure, and morphogenes ... | 2004 | 15261771 |