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Front Microbiol. 2013 Dec 6;4:373. doi: 10.3389/fmicb.2013.00373. eCollection 2013.

Abalone farm discharges the withering syndrome pathogen into the wild.

Author information

1
UCSB Marine Science Institute Santa Barbara, CA, USA.
2
UCSB Marine Science Institute Santa Barbara, CA, USA ; Bren School of Environmental Science and Management, University of California Santa Barbara, CA, USA.

Abstract

An intracellular bacterium Candidatus Xenohaliotis californiensis, also called Withering-Syndrome Rickettsia-Like Organism (WS-RLO), is the cause of mass mortalities that are the chief reason for endangerment of black abalone (Haliotis cracherodii). Using a real-time PCR assay, we found that a shore-based abalone farm (AF) in Santa Barbara, CA, USA discharged WS-RLO DNA into the ocean. Several other shore-based AFs discharge effluent into critical habitat for black abalone in California and this might affect the recovery of wild black abalone. Existing regulatory frameworks exist that could help protect wild species from pathogens released from shore-based aquaculture.

KEYWORDS:

abalone; aquaculture; emerging disease; endangered species; fisheries; pathogen; water quality

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