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Two pathogens of Greenshell™ mussel larvae, Perna canaliculus: Vibrio splendidus and a V. coralliilyticus/neptunius-like isolate |
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| Authors: | A Kesarcodi-Watson H Kaspar M J Lategan L Gibson |
| Institution: | Cawthron Institute, Nelson, New Zealand; Landscape Stressor Response Group, University of Technology Sydney (UTS), NSW, Australia; Department of Medical and Molecular Biosciences, Faculty of Science, University of Technology Sydney (UTS), NSW, Australia |
| Abstract: | Bacterial pathogens of Greenshell? mussel (GSM) larvae can cause batch losses during hatchery production. Twenty-two isolates were screened using a larval bioassay. Two strains were identified as potential pathogens. Phenotypic identification of these strains revealed two non-reactive Gram-negative, oxidase positive rods. Sequencing of the 16S rRNA gene identified Vibrio splendidus and a V. coralliilyticus/neptunius -like isolate as pathogens of GSM larvae, with an ability to cause 83% and 75% larval mortality in vitro , respectively, at a concentration of 10 |
| Keywords: | hatchery larvae mussels Perna canaliculus vibriosis |