Identification of Apis mellifera Gut Microbiota with MALDI-TOF MS Biotyper
Keywords:
Apis melifera, gut microbiota, identification, MALDI TOF MS BiotyperAbstract
The honey bee, Apis mellifera, is critically important for the pollination of many economically important crops. Continued colony losses have called for a deeper understanding of both symbiotic and pathogenic microbial interactions, particularly as they relate to food storage and the pollination environment. Therefore, the aim of this study was to explore and characterize the bacteria colonizing the alimentary tract of the native honey bees using MALDI TOF MS Biotyper. Content of the intestinal tract was cultured for isolation of Gram-negative, Gram-positive microorganisms and yeasts. Then, the identification of isolates with MALDI-TOF MS Biotyper was done. Results showed that the most abundant genera in bees’ samples were Lactobacillus, Pseudomonas and Serratia. Altogether, 12 genera with 21 bacterial species and one yeast genus with two species were isolated. Bacteria were represented with Acidovorax facilis, Lactobacillus gasseri, L. amylovorus, L. kunkeei, L. fructivorans, Pseudomonas oryzihabitans, Ps. brenneri, Ps. indica, Micrococcus luteus, Serratia fonticola, Ser. marcescens, Ser. ureilytica, Hafnia alvei, Candida magnolia, Bacillus oleronius, B. horneckiae, Issatchenkia orientalis, Pantoea agglomerans, Enterobacter cloacae, Staphylococcus epidermidis, Staph. pasteuri, Shewanella profunda. The results of the study shows that the microflora of the bees gut is heterogenic and depend of locality and resources of environment for bees.
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