Culturable autochthonous gut bacteria in rohu, Labeo rohita. In vitro growth inhibition against pathogenic Aeromonas spp., stability in gut, bio-safety and identification by 16S rRNA gene sequencing

Evaluation of Gut Associated Extracellular Enzyme-producing and Pathogen Inhibitory Microbial Community as Potential Probiotics in Nile Tilapia, <i>Oreochromis niloticus</i>

“…It could be mentioned that the fish species examined in the presently reported study were starved for 48 h and their GI tracts were thoroughly washed with sterile chilled 0.9% saline prior to isolation of microorganisms. Therefore, it may be advocated that the microorganisms isolated in the present study belong to the autochthonous microbiota as suggested elsewhere (Ray et al, 2010;Ghosh et al, 2010;Mukherjee et al, 2017). Several investigators have reported the presence of enzyme producing bacteria in the digestive tract of Oreochromis spp.…”

Applications of plant ingredients for tropical and subtropical freshwater finfish: possibilities and challenges

“…; Mukherjee et al . ). Bacteria belonging to genus Bacillus have been shown to possess adhesion abilities, provide immunostimulation and produce bacteriocins (Cladera‐Olivera et al .…”

Regulation of lipid metabolism by gut microbiota in aquatic animals

“…Since then, bacterial lipases have been reported in a diverse range of bacteria isolated from aquacultured species, comprising freshwater, brackish water and marine organisms 30 . In freshwater fish, lipase‐producing bacteria have been revealed in the intestines of many fish species, including grass carp and gibel carp ( Carassius auratus gibelio ), 78,79 yellow catfish ( Pelteobagrus fulvidraco ), 93 M. albus , 91 amur minnow ( Rhynchocypris lagowskii ), 70 some cold‐water fish species, 82 Indian major carp, mrigal carp ( Cirrhinus mrigala ), 85,86 India freshwater teleosts, including striped snakehead ( Channa striatus ), striped dwarf catfish ( Mystus vittatus ), orangefin labeo ( Labeo calbasu ) and mrigal carp 84 and rohu, Labeo rohita 89 . Ariole and co‐authors reported that 61.1% of bacterial isolates isolated from the digestive tract of cultured African catfish ( Clarias gariepinus ) revealed the ability to degrade lipids 59 .…”

“…30 In freshwater fish, lipase-producing bacteria have been revealed in the intestines of many fish species, including grass carp and gibel carp (Carassius auratus gibelio), 78,79 yellow catfish (Pelteobagrus fulvidraco), 93 M. albus, 91 amur minnow (Rhynchocypris lagowskii), 70 some cold-water fish species, 82 Indian major carp, mrigal carp (Cirrhinus mrigala), 85,86 India freshwater teleosts, including striped snakehead (Channa striatus), striped dwarf catfish (Mystus vittatus), orangefin labeo (Labeo calbasu) and mrigal carp 84 and rohu, Labeo rohita. 89 Ariole and co-authors reported that 61.1% of bacterial isolates isolated from the digestive tract of cultured African catfish (Clarias gariepinus) revealed the ability to degrade lipids. 59 Bairagi et al 90 isolated lipase-producing bacteria from the intestinal mucosa of nine teleosts and displayed that a strain named SC2, isolated from silver carp (Hypophthalmichthys molitrix), exhibited the highest lipase activity.…”