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Predatory bacteria in the haemolymph of the cultured spiny lobster Panulirus ornatus

Citation

Ooi, MC and Goulden, EF and Smith, GG and Bridle, AR, Predatory bacteria in the haemolymph of the cultured spiny lobster Panulirus ornatus, Microbiology, 167, (11) Article 001113. ISSN 1350-0872 (2021) [Refereed Article]


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Copyright Statement

© 2021 The Authors. This is an open-access article distributed under the terms of the Creative Commons Attribution NonCommercial 4.0 International (CC BY-NC 4.0) License (https://creativecommons.org/licenses/by-nc/4.0/). This article was made open access via a Publish and Read agreement between the Microbiology Society and the corresponding authorís institution.

DOI: doi:10.1099/mic.0.001113

Abstract

and like organisms (BALOs) are Gram-negative obligate predators of other bacteria in a range of environments. The recent discovery of BALOs in the circulatory system of cultured spiny lobster warrants more investigation. We used a combination of co-culture agar and broth assays and transmission electron microscopy to show a sp. strain Hbv preyed upon the model prey bacterium sp. strain Vib. The haemolymph microbiome of juvenile was characterised following injection of phosphate buffered saline (control) or prey and/or predator bacteria for 3 d. The predator Hbv had no effect on survival compared to the control after 3 d. However, when compared to the prey only treatment group, lobsters injected with both prey and predator showed significantly lower abundance of genus in the haemolymph bacterial community composition. This study indicates that predatory bacteria are not pathogenic and may assist in controlling microbial population growth in the haemolymph of lobsters.

Item Details

Item Type:Refereed Article
Keywords:predator, Halobacteriovorax, prey, Vibrio species, spiny lobster
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Fisheries sciences
Research Field:Aquaculture
Objective Division:Animal Production and Animal Primary Products
Objective Group:Fisheries - aquaculture
Objective Field:Aquaculture rock lobster
UTAS Author:Ooi, MC (Miss Mei Ooi)
UTAS Author:Goulden, EF (Dr Evan Goulden)
UTAS Author:Smith, GG (Professor Gregory Smith)
UTAS Author:Bridle, AR (Associate Professor Andrew Bridle)
ID Code:148257
Year Published:2021
Funding Support:Australian Research Council (IH120100032)
Deposited By:Fisheries and Aquaculture
Deposited On:2021-12-15
Last Modified:2022-01-07
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