A field sentinel study investigating withering syndrome transmission dynamics in California abalones

We examined the risk of withering syndrome (WS) rickettsia-like organism (WS-RLO) infection in sentinel red abalone (Haliotis rufescens) deployed in modules at two Southern California field sites, one adjacent to an abalone farm and one adjacent to wild abalones. WS-RLO DNA was detected in seawater...

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Bibliographic Details
Published in:Marine environmental research 2022-01, Vol.173, p.105540-105540, Article 105540
Main Authors: Fuller, Ava M., VanBlaricom, Glenn R., Neuman, Melissa J., Witting, David A., Friedman, Carolyn S.
Format: Article
Language:English
Subjects:
Abalone
Abalone culture
Agricultural wastes
Animals
Aquaculture
Bacteria
California
Deoxyribonucleic acid
Disease
DNA
Farms
Gastropoda
Haliotis
Haliotis rufescens
Histology
Infections
Marine molluscs
Modules
Pathogen dynamics
Pathogen transmission
Pathogens
Restoration
Seawater
Withering syndrome
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Summary:We examined the risk of withering syndrome (WS) rickettsia-like organism (WS-RLO) infection in sentinel red abalone (Haliotis rufescens) deployed in modules at two Southern California field sites, one adjacent to an abalone farm and one adjacent to wild abalones. WS-RLO DNA was detected in seawater near modules at the wild abalone site but not near the farm (WS-RLO DNA was detected in the farm effluent). More WS-RLO DNA was detected in tissue from abalone near the farm relative to those near wild abalones (p  0.05) and were independent of WS-RLO DNA loads in abalone tissue and seawater. More stippled (ST)-RLO than WS-RLO were observed with more ST-RLO infections near wild abalone than near the abalone farm (p 
ISSN:0141-1136
1879-0291
DOI:10.1016/j.marenvres.2021.105540