Deciphering Probiotic Effects of Sulfitobacter pontiacus Strain BL28 on the Host Sea Cucumber Apostichopus japonicus.

IF 2.3 3区生物学 Q3 MICROBIOLOGY

Current Microbiology Pub Date : 2025-02-26 DOI:10.1007/s00284-025-04138-9

Tomoo Sawabe, Rika Kudo, Juanwen Yu, Thach Nguyen, Andrea Rossi, Yuichi Sakai, Sayaka Mino

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Abstract

Recently, sea cucumber has been an increasingly important marine invertebrate in the fields of EcoDevo and fisheries studies. After the discovery of Sulfitobacter pontiacus strain BL28, which is a growth-promoting probiotic bacteria isolated from blastula of Apostichopus japonicus, host-microbes interaction has become a major new focus of study to be unveiled. Previous genome assessments of the strain BL28 hypothesized involvements of cobalamin/B12 biosynthesis, type IV secretion system, polyhydroxybutyrate production, and sulfate metabolism for host growth promotions. Here, we performed A. japonicus host transcriptome after five weeks of supplementation with S. pontiacus BL28. Unexpectedly, the host transcriptome revealed significant gene regulations of the BL28 supplementation on the host lipid and chondroitin metabolisms and transcriptionally "rest" status of heat shock protein genes un-expressed. Physiological and environmental crossover by the S. pontiacus BL28 supplementation may trigger stress-free growth promotion in the host sea cucumber. These symbiotics-type probiotics could help herald the future eco-friendly aquaculture of sea cucumber.

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来源期刊

Current Microbiology 生物-微生物学

CiteScore

4.80

自引率

3.80%

发文量

380

审稿时长

2.5 months

期刊介绍： Current Microbiology is a well-established journal that publishes articles in all aspects of microbial cells and the interactions between the microorganisms, their hosts and the environment. Current Microbiology publishes original research articles, short communications, reviews and letters to the editor, spanning the following areas: physiology, biochemistry, genetics, genomics, biotechnology, ecology, evolution, morphology, taxonomy, diagnostic methods, medical and clinical microbiology and immunology as applied to microorganisms.