Rapid Biodegradation of the Organophosphorus Insecticide Acephate by a Novel Strain sp. A11 and Its Impact on the Structure of the Indigenous Microbial Community.

The acephate-degrading microbes that are currently available are not optimal. In this study, sp. A11, an efficient degrader of acephate, presented an acephate-removal efficiency of 83.

Novel mechanism and degradation kinetics of allethrin using Bacillus megaterium strain HLJ7 in contaminated soil/water environments.

As a common pyrethroid insecticide, allethrin is widely used for various purposes in agriculture and home applications. At present, allethrin residues have been frequently detected worldwide, yet little is known about the kinetics and degradation mechanisms of this insecticide. In this study, a highly efficient allethrin-degrading bacterium, Bacillus megaterium strain HLJ7, was obtained through enrichment culture technology.

Monitoring of Some Chemical Contaminants Residue in Imported Wheat and Barley Grains Using QuEChERS Method and GC-MS/MS.

Background: Cereal grains are an important for the nutrition of both humans and animals, and contribute to the nutrition cycle in different ways. Chemical contaminants are important to be monitored in food due to their direct effects on human health.

Objective: This work aimed to monitor some of the hazardous chemical contaminants i.

Toxicity of Fipronil and Emamectin Benzoate and Their Mixtures Against Cotton Leafworm, Spodoptera littoralis (Lepidoptera: Noctuidae) With Relation to GABA Content.

Fipronil and emamectin benzoate (EMB) are effective insecticides for controlling cotton leafworm, Spodoptera littoralis. Fipronil works by blocking gamma-amino butyric acid (GABA) gated chloride. In contrast, EMB is activating GABA transporters.