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Review
. 2023 Apr 4;39(6):145.
doi: 10.1007/s11274-023-03592-6.

Recent progress in the use of purple non-sulfur bacteria as probiotics in aquaculture

Hitoshi Miyasaka  1   2   3 , Aoi Koga  4   5   6 , Taka-Aki Maki  4   5   6
Affiliations
Review

Recent progress in the use of purple non-sulfur bacteria as probiotics in aquaculture

Hitoshi Miyasaka et al. World J Microbiol Biotechnol. .

Abstract

The use of probiotics in aquaculture is widely recognized as an ecological and cost-effective approach to raising healthy, pathogen-tolerant aquatic animals, including fish and shrimp. In particular for shrimp, probiotics are viewed as a promising countermeasure to the recent severe damage to the shrimp industry by bacterial and viral pathogens. Purple non-sulfur bacteria (PNSB) are Gram-negative, non-pathogenic bacteria with wide application potential in agriculture, wastewater treatment, and bioenergy/biomaterials production. In aquaculture, lactic bacteria and Bacillus are the major probiotic bacteria used, but PNSB, like Rhodopseudomonas and Rhodobacter, are also used. In this review, we summarize the previous work on the use of PNSB in aquaculture, overview the previous studies on the stimulation of innate immunity of shrimp by various probiotic microorganisms, and also share our results in the probiotic performance of Rhodovulum sulfidophilum KKMI01, a marine PNSB, which showed a superior effect in promotion of growth and stimulation of immunity in shrimp at a quite low concentration of 1 × 103 cfu (colony forming unit)/ml in rearing water.

Keywords: Aquaculture; PNSB; Probiotics; Purple non-sulfur bacteria; Rhodovulum sulfidophilum.

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