Biochemical Response of the Endogeic Earthworm (Balanteodrilus extremus) Exposed to Tropical Soils

E. Lucero Sánchez-del Cid, Jaime Rendón von Osten, Ricardo Dzul-Caamal, Ma del Carmen Ángeles González-Chávez, Arturo Torres-Dosal, Esperanza Huerta-Lwanga*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

This work evaluated the biochemical responses of the endogeic earthworm Balanteodrilus extremus exposed for 14 and 48 days (d) to soils collected from two tropical agricultural systems: maize-sorghum (MS) and soybean-sorghum (SS). A soil without agricultural management (WAM) and the use of pesticides was selected as a reference. The presence of organochlorine (OC) and organophosphate (OP) pesticide residues was quantified in MS and SS soils. Biomarkers of detoxification [glutathione S transferase (GST)], neurotoxicity [acetylcholinesterase (AChE)] and oxidative stress [superoxide dismutase (SOD), catalase (CAT) and lipoperoxidation (LPO)] were evaluated in B. extremus. The concentration of OP pesticide residues was higher in SS than in MS. Activity of AChE in B. extremus exposed to SS soil for 14 d was significantly more inhibited (78%) than in MS soil (68%). B. extremus has been shown to be a good bioindicator of contaminated soils in tropical regions.

Original languageEnglish
Article number35
JournalBulletin of Environmental Contamination and Toxicology
Volume112
Issue number2
DOIs
Publication statusPublished - Feb 2024

Keywords

  • Agricultural Soils
  • Bioindicator
  • Biomarkers
  • Mixture of Pesticide Residues

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