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Turkish Journal of Fisheries and Aquatic Sciences 2018, Vol 18, Num, 6     (Pages: 809-815)
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Isolation of Probiotic Bacteria from Guppy Poeciliareticulata (Cyprinodontiformes:Poecilidae)

Ladan Jahangiri 1 ,Mohammad sudagar 1 ,Omid Ashayerizadeh 2 ,Hamed Kolangi 1 ,Alijan Tabarraei 3

1 Gorgan University of Agricultural Sciences and Natural Resources, Department of Fishery Sciences, Gorgan, Iran
2 Gorgan University of Agricultural Sciences and Natural Resources, Department of Animal Sciences, Gorgan, Iran
3 Golestan University of Medical Sciences, Virology Department of Microbiology, Gorgan, Iran DOI : 10.4194/1303-2712-v18_6_07 Viewed : 3663 - Downloaded : 2828 The screening possibility of some Lactobacillus sp. bacteria with potential probiotic properties from digestive tract of guppywas investigated in this study.To this end, forty -nine bacterial isolates derived from the digestive tract of the guppy were screened based on the morphological and microscopic characteristics like Catalase test, Gram staining and Spore staining. Then, other examinations for selecting the bacteria with the best potential probiotic properties were done, including: functional antagonist assay, cell surface hydrophobicity, and resistance to acid and bile salts. Additionally,16SrRNA fragment of the isolates with probiotic characteristics depicted 100% sequence identity with Weissellacibaria. According to our results, W. cibariahas the potential probiotic characteristics to apply in the culture of guppy. Keywords : Lactobacillus, Probiotic properties, Weissellacibaria