A novel thraustochytrid in vitro isolate from the abalone Haliotis roei in Western Australia

Eliot Hanrio; Anita Severn-Ellis; Jacqueline Batley; Richmond Loh; Peta Clode; Cécile Dang

doi:10.1016/j.protis.2025.126114

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A novel thraustochytrid in vitro isolate from the abalone Haliotis roei in Western Australia

Journal article

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Peer reviewed

A novel thraustochytrid in vitro isolate from the abalone Haliotis roei in Western Australia

Eliot Hanrio, Anita Severn-Ellis, Jacqueline Batley, Richmond Loh, Peta Clode and Cécile Dang

Protist, Vol.178, 126114

2025

DOI: https://doi.org/10.1016/j.protis.2025.126114

PMID: 40865124

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Abstract

Aurantiochytrium

Fungoid protists

Monorhizochytrium

Thraustochytrids

Thraustochytrids are heterotrophic protozoa that can be saprophytic, parasitic, or symbiotic. They have become increasingly important as a potential source of polyunsaturated fatty acids. This study describes the isolation and characterisation of a novel thraustochytrid isolate from the abalone Haliotis roei in Western Australia. Isolate W7B6 was propagated in vitro and characterised using optical and electron microscopy as well as phylogenetic analysis. This thraustochytrid exhibits characteristic cell types of the Thraustochytriaceae family, including small sporogenous cells, cysts, encysted amoebosporangia and amoebosporangia. The sequencing and phylogenetic analysis of the 18S rDNA sequence of the W7B6 isolate indicate its classification within the Monorhizochytrium clade, nested within the broader Aurantiochytrium super-clade. This study adds a new thraustochytrid strain that potentially has significance in the bio-production of long-chain fatty acids.

Details

Title: A novel thraustochytrid in vitro isolate from the abalone Haliotis roei in Western Australia
Authors/Creators: Eliot Hanrio - Department of Primary Industries and Regional Development
Anita Severn-Ellis - The University of Western Australia
Jacqueline Batley - The University of Western Australia
Richmond Loh - Department of Primary Industries and Regional Development, Government of Western Australia, Perth, 6000, WA, Australia
Peta Clode - The University of Western Australia
Cécile Dang - Government of Western Australia
Publication Details: Protist, Vol.178, 126114
Publisher: Elsevier GmbH
Identifiers: 991005869105107891
Murdoch Affiliation: Murdoch University
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.171 Photoproductivity; 3.171.477 Microalgae Biotechnology
Web Of Science research areas: Microbiology
ESI research areas: Microbiology