Immune condition of the carpet shell clam (Ruditapes decussatus) haemocytes in response to temperature challenge

¹ University of Monastir, Laboratory of Analysis, Treatment and Valorization of Pollutants of the Environment and Products, Faculty of Pharmacy, Ibn Sina Street, 5000 Monastir, Tunisia
² University of Sfax Laboratory of Microbial Biotechnology, Enzymatic, and Biomolecules (LMBEB), Centre of Biotechnology of Sfax (CBS), Road of Sidi Mansour Km 6, P.O. Box 1177, Sfax 3018, Tunisia

Academic Editor: Humbert G. Díaz

Published: 01 December 2021 by MDPI in MOL2NET'21, Conference on Molecular, Biomed., Comput. & Network Science and Engineering, 7th ed. congress CHEMBIO.ORG-07: Org. Chem., Med. Chem., Mol. Biol., & Pharm. Industry Congress, Paris, France-Galveston, USA, 2021.

https://doi.org/10.3390/mol2net-07-12015

Abstract:

The aim of this study was to investigate the immunotoxic effects of acute temperature challenge in the carpet shell clam, Ruditapes decussatus. Haemolymph samples were incubated at 20 and 30 °C for 24 h. Total haemocyte count (THC), percentage of dead cells (PDC), phenoloxidase (PO), lysozyme (LYZ), alkaline phosphatase (ALP), esterase (EST), lectin (LCT), and antibacterial (AB) activities were chosen as biomarkers of temperature stress. Our results revealed that exposure to high temperatures increases the AB and the LCT activities while it decreases the THC, the PDC, and the ALP activity. Meanwhile, no obvious negative effect of acute temperature stress was detected on PO, LYZ, and EST activities.

Keywords: Ruditapes decussatus; Temperature challenge; Biomarkers; Immune response

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