Title: Shellfish Microbiome and Its Significant Role in Immune Response and Health Management
Abstract: Gut microbiota is known to influence the health, nutrient absorption, reproduction, and other metabolic activities in both terrestrial and aquatic animals and can be used as biomarker to predict the performance in selective breeding programs. Several studies have generated information on microbial community structures associated with, developmental stages, dietary modifications, osmotic stress, and wild and captive production conditions. The analysis of wild and captive reared P. indicus gut microbiota revealed that Proteobacteria, Fusobacteria, Tenericutes, and Bacteroidetes, were the dominant phyla, indicating host is the major determinant factor in theformation of gut microbiota. Microbes associated with the developmental stages (egg, nauplii, zoea, mysis, PL1, PL6 and PL12) showed that Proteobacteria and Bacteroidetes, were the two dominant phyla. To study the effects of the probiotics on the gut microbiota, a combination of Bacillus spp. were added into the rearing environment of shrimp larvae. The analysis showed that the abundance of Proteobacteria was higher in probiotic treated group compared to control, indicating the possibilities for microbiota modulation at early stages. Further, understanding how environmental factors influence the shaping of gut microbiota will aid in using gut microbiota as a tool to prevent and control diseases in aquaculture. Intestine of shrimps adapted to two different salinities showed that the dominant phyla recorded was Proteobacteria followed by Bacteroidetes and Fusobacteria, though the abundance of these microbes varied significantly due change in salinity. These observations provide valuable information to device intervention strategies for health and production.
Publication Year: 2023
Publication Date: 2023-01-01
Language: en
Type: book-chapter
Indexed In: ['crossref']
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