Toxicity effect of Diuron on gill tissue structure and the tissue residue of blood cockles (Tegillarca granosa)

Mohamat-Yusuff F 1 , Ibrahim DSM 2 , Mukhtar A 3 , Joni AAM 2 , Kusin FM 2 , Mohamed KN 2 Show all authors , Zulkeflee Z 2 , Asha'ari ZH 2 , Zulkifli SZ 4 , Ismail A 3 , Arshad A 5

Affiliations 

  • 1 Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia; International Institute of Aquaculture & Aquatic Sciences (I-AQUAS), Universiti Putra Malaysia, Jalan Kemang 6, Batu 7, Teluk Kemang, 71050 Port Dickson, Negeri Sembilan, Malaysia. Electronic address: [email protected]
  • 2 Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
  • 3 Department of Biology, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
  • 4 International Institute of Aquaculture & Aquatic Sciences (I-AQUAS), Universiti Putra Malaysia, Jalan Kemang 6, Batu 7, Teluk Kemang, 71050 Port Dickson, Negeri Sembilan, Malaysia; Department of Biology, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
  • 5 International Institute of Aquaculture & Aquatic Sciences (I-AQUAS), Universiti Putra Malaysia, Jalan Kemang 6, Batu 7, Teluk Kemang, 71050 Port Dickson, Negeri Sembilan, Malaysia; Department of Aquaculture, Faculty of Agriculture, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
Mar Pollut Bull, 2021 Dec;173(Pt B):113071.
PMID: 34741924 DOI: 10.1016/j.marpolbul.2021.113071

Abstract

This study aimed to identify the toxicity effect of Diuron on Tegillarca granosa by determining accumulation in the soft tissues and alteration on the gill tissue structure. Wild stocks T. granosa were grouped to identify the initial Diuron concentration and 48-h exposure in different concentrations (0, 1, 2, 3, and 4 mg·L-1). The Diuron in tissue was extracted using an established procedure and identified using High-Performance Liquid Chromatography (HPLC). Gills were analysed for histopathological study; tissue structure was classified and scored using a developed scoring system. Diuron concentration in the soft tissue of exposed T. granosa was in the range 1.27-8.09 mg·kg-1, w/w and not proportionately increase along with the exposure concentration. The mean index values of the gill histopathology ranged from 5.25-7.67 and classified as moderate to severe. Gills characteristics and T. granosa protective behaviour potentially limit Diuron accumulation in the soft tissue.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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