CREATING A COLLECTION OF FRUCTOPHILIC LACTIC ACID BACTERIA (FLAB) FROM THE GASTROINTESTINAL TRACTS OF HONEYBEES
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Abstract
This study aims to isolate, name, and choose Fructophilic lactic acid bacteria (FLAB) from the gastrointestinal tracts of honeybees and also to determine their antibacterial activity against foulbrood disease bacteria in honey bees. The FLABs are oriented to create probiotic products that are alternated or coordinated with the current antibiotic treatment in bees. Four strains were selected with high antibacterial activity against Melissococcus pluton, Paenibacillus larvae, and Paenibacillus alvei with inhibitory zones of 8,67±0,58 mm to 15,33±0,58 mm. All the four strains had potential probiotic properties as auto-aggregation and acid intolerance. Besides, all strains showed resistance to streptomycin and kanamycin in the treatment of bee diseases so that they can be alternated or coordinated with antibiotic within the permitted limits, without affecting the beneficial microbiota. The bacteria were able to survive at 60oC involving several stresses of spray-drying conditions. All strains were identified as Lactobacillus kunkeei by sequencing of the 16S rRNA gene with from 99.24% to 99.44% identity score. The L. kunkeei M8 strain possesses the best probiotic potential amongst the four strains. Therefore, it may be used as a candidate in the applications of probiotic additives for honey bees.
Keywords
Foulbrood disease, Fructophilic lactic acid bacteria, Lactic acid bacteria, Lactobacillus kunkee
Article Details
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