Epidermal lesions and mortality caused by vibriosis in deep-sea Bahamian echinoids:a laboratory study

JC Bauer, CM Young
2000 Diseases of Aquatic Organisms  
When significant mortality of the bathyal spatangoid echinoid Paleopneustes cristatus occurred under laboratory conditions, we investigated the cause and course of the disease by culturing and identifying internal pathogens, then experimentally infecting healthy urchins with isolates of the suspected disease organism. The pathogen was determined to be the Gram-negative halophilic bacterium Vibrio alginolyticus. This species was also recovered from frozen post-challenge specimens of P. cristatus
more » ... ens of P. cristatus and from moribund individuals of Archaeopneustes hystrix, another spatangoid reared under similar in vitro conditions. This is the first experimental study of bacterial disease in any deepsea invertebrate.
doi:10.3354/dao039193 pmid:10768287 fatcat:sxvjnp7yarbo7g752mtxkfb3n4