Role of Bacterial Endosymbionts in Biological Control of Insect Pests

Authors

  • Aswathy J. Dept. of Entomology, College of Agriculture, Vellayani, Thiruvananthapuram, Kerala (695 522), India

Keywords:

Endosymbionts, Paratransgenesis, Role, Transmission

Abstract

Endosymbionts are microbial or macrobial organisms that will exhibit a symbiotic relationship with other organisms. Most of the endosymbionts are in the form of intracellular or extracellular in nature. Endosymbionts provide nutrients to the organisms that are essential for the survival and development. Apart from providing nutrients, some endosymbionts play a major role in the management of pests. Examples are Wolbachia, Spiroplasma, Cardinium and Rickettsia. All these endosymbionts are maternally transmitted via transovarial transmission. Their main role is to modify the host reproduction, male killing or host defending. Xenorhabdus and Photorhabdus are the associated endosymbionts of entomopathogenic nematodes are belonging to the genus Steinernema and Heterohabditis. The technique which is suitable to modify the gut microbes genetically for the expression of desired effects in insect is Paratransgenesis. The main aim of utilizing the endosymbionts is to reduce the usage of chemical pesticides in the pest management aspects.

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Published

2024-06-21

How to Cite

[1]
J., A. 2024. Role of Bacterial Endosymbionts in Biological Control of Insect Pests. Biotica Research Today. 6, 6 (Jun. 2024), 341–344.

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