Impacts of UV radiation on Bacillus biocontrol agents and their resistance mechanisms

AbstractBacillus biocontrol agent(s) BCA(s) such asBacillus cereus, Bacillus thuringiensis andBacillus subtilis have been widely applied to control insects ’ pests of plants and pathogenic microbes, improve plant growth, and facilitate their resistance to environmental stresses. In the last decade, researchers have shown that, the application ofBacillus biocontrol agent(s) BCA(s) optimized agricultural production yield, and reduced disease risks in some crops. However, these bacteria encountered various abiotic stresses, among which ultraviolet (UV) radiation severely decrease their efficiency. Researchers have identified several strategies by whichBacillus biocontrol agents resist the negative effects of UV radiation, including transcriptional response, UV mutagenesis, biochemical and artificial means (addition of protective agents). These strategies are governed by distinct pathways, triggered by UV radiation. Herein, the impact of UV radiation onBacillus biocontrol agent(s) BCA(s) and their mechanisms of resistance were discussed.
Source: World Journal of Microbiology and Biotechnology - Category: Microbiology Source Type: research