The symbiotic bacterial microbiota of insects has been shown to play essential roles in processes related to physiology, metabolism, and innate immunity. In this study, the symbiotic microbiome of at different developmental stages was analyzed using 16S rRNA high-throughput sequencing. The result showed that symbiotic bacteria community in was primarily made up of , , , , and . The bacterial composition among different age individuals were highly diverse, while 65 core genera were distributed in all samples which recommend core bacterial microbiome. The 8 species core bacteria were isolated from all samples, and all of them were classified as sp. Among them, five species have been proven to promote the vegetable growth of . Moreover, the virulence of against nonaxenic larvae exceeded against axenic larvae, and the introduction of the sp. to axenic larvae augmented the virulence of fungi. Taken together, our study demonstrates that the symbiotic bacteria of are highly dissimilar, and sp. core bacteria can promote host infection by entomopathogenic fungus. This result emphasizes the potential for harnessing these findings in the development of effective pest management strategies.
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| http://dx.doi.org/10.3389/fmicb.2023.1290925 | DOI Listing |
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