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<p>The gut bacterial symbionts of the European honey bee (<i>Apis mellifera</i>) play essential roles in host development, immunity, and overall survival. In this study, high-throughput 16S rRNA gene sequencing, a culture-independent technique, was employed to profile the gut microbiota and assess their diversity comprehensively. The analysis of next-generation sequencing data identified three dominant bacterial phyla, namely <i>Proteobacteria</i> (58%), <i>Firmicutes</i> (22%), and <i>Actinobacteria</i> (7%). The dominant core bacterial genera identified in the current study were <i>Lactobacillus</i> (34%) and <i>Gilliamella</i> (26%), followed by <i>Bifidobacterium</i>&#xa0;(8%) and <i>Snodgrassella</i> (7%). <i>Lactobacillus</i> and <i>Bifidobacterium</i> are the two major lactic-acid bacterial genera that aid in food digestion, insecticidal resistance, and imparting immunity to <i>A. mellifera</i>. Similarly, <i>Snodgrasella</i> and <i>Gilliamella</i> also impart immunity against disease-causing pathogens. Characterizing bacterial communities and understanding their physiological roles can contribute to strategies aimed at protecting these vital pollinators from insecticides, pathogens, and other human-induced risks.</p>

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Lactobacillus and Gilliamella Identified as Major Gut Bacteria in European Honey Bee, Apis mellifera by Culture Independent Method

  • 期刊论文

  • 发表日期：

    2026年1月10日

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  • Devesh Kumar Shukla,
  • Twinkle Sinha,
  • Srinivasa Narayana,
  • Varun Arya,
  • Rudra Gouda,
  • Saniya Tyagi

摘要

The gut bacterial symbionts of the European honey bee (Apis mellifera) play essential roles in host development, immunity, and overall survival. In this study, high-throughput 16S rRNA gene sequencing, a culture-independent technique, was employed to profile the gut microbiota and assess their diversity comprehensively. The analysis of next-generation sequencing data identified three dominant bacterial phyla, namely Proteobacteria (58%), Firmicutes (22%), and Actinobacteria (7%). The dominant core bacterial genera identified in the current study were Lactobacillus (34%) and Gilliamella (26%), followed by Bifidobacterium (8%) and Snodgrassella (7%). Lactobacillus and Bifidobacterium are the two major lactic-acid bacterial genera that aid in food digestion, insecticidal resistance, and imparting immunity to A. mellifera. Similarly, Snodgrasella and Gilliamella also impart immunity against disease-causing pathogens. Characterizing bacterial communities and understanding their physiological roles can contribute to strategies aimed at protecting these vital pollinators from insecticides, pathogens, and other human-induced risks.