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Profiling the glycome of Cardicola forsteri, a blood fluke parasitic to bluefin tuna


Coff, L and Abrahams, JL and Collett, S and Power, C and Nowak, BF and Kolarich, D and Bott, NJ and Ramsland, PA, Profiling the glycome of Cardicola forsteri, a blood fluke parasitic to bluefin tuna, International Journal for Parasitology, 52, (1) pp. 1-12. ISSN 0020-7519 (2021) [Refereed Article]

Copyright Statement

Copyright 2021 Australian Society for Parasitology. Published by Elsevier Ltd. All rights reserved

DOI: doi:10.1016/j.ijpara.2021.06.004


Infections by blood flukes (Cardicola spp.) are considered the most significant health issue for ranched bluefin tuna, a major aquaculture industry in Japan and Australia. The host–parasite interfaces of trematodes, namely their teguments, are particularly rich in carbohydrates, which function both in evasion and modulation of the host immune system, while some are primary antigenic targets. In this study, histochemistry and mass spectrometry techniques were used to profile the glycans of Cardicola forsteri. Fluorescent lectin staining of adult flukes indicates the presence of oligomannose (Concanavalin A-reactive) and fucosylated (Pisum sativum agglutinin-reactive) N-glycans. Additionally, reactivity of succinylated wheat germ agglutinin (s-WGA) was localised to several internal organs of the digestive and monoecious reproductive systems. Glycan structures were further investigated with tandem mass spectrometry, which revealed structures indicated by lectin reactivity. While O-glycans from these adult specimens were not detectable by mass spectrometry, several oligomannose, paucimannosidic, and complex-type N-glycans were identified, including some carrying hexuronic acid and many carrying core xylose. This is, to our knowledge, the first glycomic characterisation of a marine platyhelminth, with broader implications for research into other trematodes.

Item Details

Item Type:Refereed Article
Keywords:glycan, mass spectrometry, lectin, trematode, aquaculture, xylose
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Fisheries sciences
Research Field:Fish pests and diseases
Objective Division:Animal Production and Animal Primary Products
Objective Group:Fisheries - aquaculture
Objective Field:Aquaculture tuna
UTAS Author:Nowak, BF (Professor Barbara Nowak)
ID Code:146943
Year Published:2021
Web of Science® Times Cited:1
Deposited By:Fisheries and Aquaculture
Deposited On:2021-10-04
Last Modified:2022-10-12

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