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Updated: Aug 6, 2026

Preparing and Rearing Axenic Insects with Tissue Cultured Seedlings for Host-Gut Microbiota Interaction Studies of the Leaf Beetle
Published on: October 8, 2021
Gut symbionts: internal modulators of insect behavioral ecology
Minhyung Jung1, Yoshitomo Kikuchi1
1Biomanufacturing Process Research Center, National Institute of Advanced Industrial Science and Technology (AIST), Hokkaido Center, Sapporo 062-8517, Japan.
None:
In herbivorous insects, symbiotic microorganisms provide advantages through digestion, detoxification, and essential nutrient supplementation, thereby influencing the internal physiology of insect hosts. These symbiont-mediated changes can subsequently modulate host decision-making processes and manifest as measurable behavioral traits. Across insect-microbe interactions, many symbiotic bacteria occupy a distinct niche, colonizing the gut region. In this review, we summarize the current understanding of symbiont-mediated behavioral modifications related to foraging, chemical communication, and decision-making processes regarding learning and memory, particularly in insects and their gut symbionts. Understanding microbe-mediated behavioral modulation in insects will clarify how microbes function as internal regulators of host responses to external stimuli, ultimately affecting insect behavioral ecology.
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