Identification of Bacterial Microbiota in Aqua Cultured Shrimp Penaeus Monodon

Abstract

Dini Chandran C S and Dr. RekhaSivadasan

The knowledge of bacterial communities in the brackish shrimp farming in Kerala is still insufficient.16S rRNA gene-based high- throughput sequencing revealed distinct and diverse microbial communities in the analyzed sample. Analysis of the results showed a high abundance of Betaproteobacteria, followed by Alpha proteobacteria, Clostridia, Actinobacteria, Gamma proteobacteria and Bacilli in the metagenome retrieved from the gut sample. Unclassified bacteria also contributed a significant portion of the metagenome. Microbes that play essential roles in nutrient cycling and mineralization of organic compounds such as Bacteroidetes, Planctomycetes, Gamma proteobacteria, Firmicutes, Cyanobacteria, and Actinobacteria could also be identified. Due to the strong influence of the gut microbiota on fish health, dominant bacterial species in the gut are strong candidates for probiotics. This study aimed to characterize the gut microbiota of giant tiger shrimp, Penaeus monodon. These findings provide valuable information on the microbial community and contribute to control the diseases in shrimp farms.

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