Insect Microbiota and Host Immunity: An Emerging Target for Pest Control

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New and Future Development in Biopesticide Research: Biotechnological Exploration

Abstract

The study of insects and their associated microbial communities is an important field in agriculture, primarily due to the role of insects as pests. Recent advances in next-generation sequencing technology have aided in improving our understanding of the microbial communities associated with insects, revealing wide diversity in their taxonomy and function. The resident microorganisms can contribute to insect fitness by providing certain amino acids, vitamin B, and sterols for fungal partners. Some organisms protect their insect host by either making toxins or modifying the immune system of insects. Though, Drosophila melanogaster has been used as a model framework system to generate new insights into gut immunity and physiology; however, to date, little is known about the microbiota of other most damaging agricultural pests worldwide. In this chapter, we have discussed the omics approaches applied to study the insect gut microbiome and the advances made in this field. We have then reviewed the role of gut microbiota and the current understanding of intestinal epithelial immune responses of insects.

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Acknowledgments

This work was supported by grants from the National Natural Science Foundation of China (31972345), Natural Science Foundation of Guangdong, China (2018A030313402, 2019A1515011221) and the Key-Area Research and Development Program of Guangdong Province (2019B020218009).

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Correspondence to Fengliang ** .

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Shakeel, M., Muhammad, A., Li, S., De Mandal, S., Xu, X., **, F. (2022). Insect Microbiota and Host Immunity: An Emerging Target for Pest Control. In: Mandal, S.D., Ramkumar, G., Karthi, S., **, F. (eds) New and Future Development in Biopesticide Research: Biotechnological Exploration. Springer, Singapore. https://doi.org/10.1007/978-981-16-3989-0_11

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