Possible interactions between gut microbiome and division of labor in honey bees

Author:

Wang Kang1,Zheng Ming1,Cai Minqi1,Zhang Yi1,Fan Yuanchan1,Lin Zheguang1,Wang Zhi2,Niu Qingsheng2,Ji Ting1ORCID

Affiliation:

1. College of Animal Science and Technology Yangzhou University Yangzhou China

2. Key Laboratory for bee Genetics and Breeding Jilin Provincial Institute of Apicultural Sciences Jilin China

Abstract

AbstractRecent studies have provided new insights into the role of the microbiome in shaping host behavior. However, the relationship between the temporal division of labor among honey bees (Apis mellifera) and their gut microbial community has not been widely studied. Therefore, we aimed to evaluate the link between the gut microbiome and division of labor in honey bees by examining the microbial absolute abundance and relative composition of 7‐day‐old nurse bees and 28‐day‐old forager bees from a natural hive, as well as those of worker bees of the same 14‐day‐old age showing different behaviors in a manipulated hive. We found that forager bees had fewer core bacteria, particularly gram‐positive fermentative genera such as Lactobacillus and Bifidobacterium, with Bifidobacterium asteroides being the most sensitive to host behavioral tasks. Our results showed that forager bees have lower gut community stability compared to nurse bees, suggesting that their gut community is more susceptible to invasion by non‐core members. Furthermore, a pollen limitation experiment using caged honey bees indicated that dietary changes during behavioral shifts may be a driving factor in honey bee microbial diversity. This study contributes to a greater understanding of the interaction between the gut microbiome and behavioral tasks and provides a foundation for future assays.

Funder

Earmarked Fund for Modern Agro-industry Technology Research System

National Natural Science Foundation of China

Publisher

Wiley

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