The metabolic fate of abalone: transport and recovery of Haliotis iris gills as a case study

Abalone is a gourmet seafood with a high commercial value, particularly when obtained as a live product. During live transportation, abalone encounter stressors causing biochemical modifications to tolerate the changes. Using semi-targeted metabolomics, this study characterised the left and right gi...

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Bibliographic Details
Published in:New Zealand journal of marine and freshwater research 2025-01, Vol.59 (1), p.146-163
Main Authors: Venter, Leonie, Alfaro, Andrea C., Lindeque, Jeremie Zander, Jansen van Rensburg, Peet J.
Format: Article
Language:English
Subjects:
Abalone
Amino acids
Anaerobic processes
Animal health
Economics
Energy metabolism
Gills
Glycogen
Glycogens
Glycolysis
Haliotis iris
Homeostasis
Krebs cycle
Marine molluscs
Metabolism
Metabolites
Metabolomics
Nucleotides
Protein turnover
Recovery
Seafood
Seafoods
transport
Tricarboxylic acid cycle
Triglycerides
Water immersion
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Summary:Abalone is a gourmet seafood with a high commercial value, particularly when obtained as a live product. During live transportation, abalone encounter stressors causing biochemical modifications to tolerate the changes. Using semi-targeted metabolomics, this study characterised the left and right gill metabolite profiles of Blackfoot abalone, Haliotis iris, following transportation (48 h) and recovery (48 h). This study reports the association between left and right gill metabolites, to enhance our physiological understanding of the interplay between gills. The left gill metabolites are mainly active following transportation, while both gills partake in the metabolite response following recovery. Transportation necessitated increased metabolites linked to the glycolysis pathway, the Krebs cycle, amino acid, and nucleotide metabolism, for energy production, achieved via aerobic and anaerobic pathways. The recovery phase supported the replenishing of glycogen, triglycerides, and protein stores, albeit metabolic homeostasis was not achieved following two-days of water immersion recovery. This study showcases the well-adapted metabolic mechanisms implemented by H. iris in response to transportation stress and show that metabolites are in the process of returning to the same concentrations as measured pre-transport stress. The findings herein can be applied to improve animal health during transport and subsequent survival, which in-effect supports profitability.
ISSN:0028-8330
1175-8805
DOI:10.1080/00288330.2023.2297912