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Establishment of Lactobacillus plantarum strain in honey bee digestive tract monitored using gfp fluorescence

于Beneficial Microbes
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P. Javorský Institute of Animal Physiology, Slovak Academy of Science, Šoltésovej 4-6, 040 01, Košice, Slovakia.

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L. Kolesár Fecskeová Institute of Animal Physiology, Slovak Academy of Science, Šoltésovej 4-6, 040 01, Košice, Slovakia.

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L. Hrehová Institute of Biology and Ecology, Faculty of Science, Pavol Jozef Šafárik University, Šrobárová 2, 041 80 Košice, Slovakia.

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R. Sabo Department of Pharmacy, Pharmacology and Toxicology, University of Veterinary Medicine, Komenského 73, 041 81 Košice, Slovakia.

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J. Legáth Department of Pharmacy, Pharmacology and Toxicology, University of Veterinary Medicine, Komenského 73, 041 81 Košice, Slovakia.

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P. Pristas Institute of Animal Physiology, Slovak Academy of Science, Šoltésovej 4-6, 040 01, Košice, Slovakia.
Institute of Biology and Ecology, Faculty of Science, Pavol Jozef Šafárik University, Šrobárová 2, 041 80 Košice, Slovakia.

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Lactic acid bacteria are symbiotic bacteria that naturally reside in the gastrointestinal tract of honey bees. They serve a multitude of functions and are considered beneficial and completely harmless. In our experiments Lactobacillus plantarum strain B35, isolated from honey bee digestive tract, was modified using pAD43-25 plasmid carrying a functional GFP gene sequence (gfpmut3a) and used as a model for monitoring and optimisation of the mode of application. The establishment of this strain in honey bee digestive tract was monitored using GFP fluorescence. Three different modes of oral application of this strain were tested: water suspension of lyophilised bacteria, aerosol application of these bacteria and consumption of sugar honey paste containing the lyophilised lactobacilli. Two days after administration the L. plantarum B35-gfp was present throughout the honey bee digestive tract with 104-105 cfu/bee with highest count observed for aerosol application.

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