Naturally occurring beneficial bacteria Vibrio alginolyticus X-2 protects seaweed from bleaching disease.

ABSTRACT: Microbiome manipulation is gaining fresh attention as a way to mitigate diseases in aquaculture. The commercially farmed seaweed Saccharina japonica suffers from a bacterial-induced bleaching disease, which has major implications for the reliable supply of healthy sporelings. Here, we identify a beneficial bacterium, Vibrio alginolyticus X-2 that significantly reduces the risk of bleaching disease. By combining infection assays and multi-omic analyses, we provide evidence to suggest that the underlying protective mechanisms of V. alginolyticus X-2 involve maintaining epibacterial communities, increasing the gene expression of S. japonica related to immune and stress protection pathways, and stimulating betaine concentrations in S. japonica holobionts. Thu

SUBMITTER: Ma M 

PROVIDER: S-EPMC10470739 | biostudies-literature | 2023 Aug

REPOSITORIES: biostudies-literature