期刊
TOXICON
卷 193, 期 -, 页码 21-27出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.toxicon.2021.01.009
关键词
Bacteria; Insects; Secondary metabolites; Natural products; Triterpenoid
资金
- Shenzhen science and technology application demonstration project [KJYY20180201180253571]
- special funds for science technology innovation and industrial development of Shenzhen Dapeng New District [KJYF202001-27]
- King Khalid University [R.G.P.1/192/41]
- Research Center for Advanced Materials Science, King Khalid University, Saudi Arabia
Saponins are biologically active toxic compounds produced by plants to combat microbial pathogens, functioning as chemical barriers against invasion. They are classified into two major groups, steroidal and terpenoid saponins, present in both cultivated and wild plant species.
Microbial pathogens attack every plant tissue, including leaves, roots, shoots, and flowers during all growth stages. Thus, they cause several diseases resulting in a plant's failure or loss of the whole crop in severe cases. To combat the pathogens attack, plants produce some biologically active toxic compounds known as saponins. The saponins are secondary metabolic compounds produced in healthy plants with potential anti-pathogenic activity and serve as potential chemical barriers against pathogens. Saponins are classified into two major groups the steroidal and terpenoid saponins. Here, we reported the significance of saponin toxins in the war against insect pests, fungal, and bacterial pathogens. Saponins are present in both cultivated (chilies, spinach, soybean, quinoa, onion, oat, tea, etc.) and wild plant species. As they are natural toxic constituents of plant defense, breeders and plant researchers aiming to boost plant immunity should focus on transferring these compounds in cash crops.
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