Maize associated bacteria as allies in agroecological food production

Authors

DOI:

https://doi.org/10.22201/cuaieed.16076079e.2021.22.4.2

Keywords:

biological control, beneficial bacteria, fusariosis, maize

Abstract

Biological pest control, or biocontrol, uses components of biological origin such as insects, fungi, and bacteria, that are capable of antagonizing the growth of other insects, fungi, and bacteria that damage crops. Biocontrol is a strategy to reduce crop losses derived from pests’ attack. Its purpose is to ensure sustainable agricultural production from an agroecological approach, that is, environmentally friendly. The objective of this article is to present an example of biological control of a disease in maize, fusariosis —caused by the infectious fungus Fusarium verticillioides—, using the maize rhizosphere bacterium Bacillus cereus B25. We will also discuss about the work carried out to understand the possible mechanisms that this bacterium uses to inhibit the growth of the phytopathogenic fungus, specifically the enzymes called chitinases, capable of degrading the chitin molecule that forms the cell wall of the fungus and, consequently, stop its growth. Finally, the possible biotechnological applications of the results found are considered.

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Author Biography

Ignacio Eduardo Maldonado Mendoza, Instituto Politécnico Nacional

 

 

References

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Published

2021-07-05