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Marine Vibrio Biocatalysts as Unique Green Transformation (GX) Tools at the Time to Sustainable Development Goals (SDGs).

Tomoo Sawabe·Mami Tanaka·Chiori Yoshifuji·Hannah Kaufmann·Fabiano Thompson·Chunqi Jiang·Sayaka Mino
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Abstract

Vibrios have sustained various types of ocean ecosystems, being key players in marine mineral cycles and essential partners in specific groups of marine life. Observed genome plasticity and metabolic versatility are some of the unique biological features of vibrios, and these traits could contribute in expanding their ecological niche in marine environments. Vibrios are now recognized as ecophysiologically essential microbial species for our planet. At the time to "Sustainable Development Goals" (SDGs), their genome plasticity and metabolic versatility have also been studied with the aim of solving global issues such as energy production and plastic pollution by creating new microbial biocatalysts. Here, we introduce recent progress on the application of vibrios aiming towards green transformation (GX).

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VibrioSustainable DevelopmentSeawaterBiocatalysisAquatic OrganismsEcosystemBiocatalystsEnergyGXMarinePlasticSDGsVibriosJournal ArticleReview

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Tomoo Sawabe, Mami Tanaka, Chiori Yoshifuji, Hannah Kaufmann, Fabiano Thompson, Chunqi Jiang, Sayaka Mino. 2026-05-26. Marine Vibrio Biocatalysts as Unique Green Transformation (GX) Tools at the Time to Sustainable Development Goals (SDGs).. https://doi.org/10.1007/s00284-026-04958-3

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Vibrio limimangrovi sp. nov., Vibrio phycocola sp. nov. and Vibrio sediminis sp. nov., isolated from coastal habitats.

Four marine bacterial strains of the genus Vibrio, designated WJH972T, RC27, FJH11T, and HA2012T, were isolated from coastal habitats in China. Phenotypic and physiological characterization showed that all four strains are Gram-stain-negative, facultatively anaerobic, short rod-shaped cells, and motile. The 16S rRNA gene sequence similarities between the isolates and their closest relatives were 96.5% - 98.2%, above the genus-level threshold but below the species delineation cutoff. Genomic analysis revealed that strains WJH972T and RC27 shared an average nucleotide identity (ANI) of 98.7% and a digital DNA-DNA hybridization (dDDH) value of 89.9%, confirming their conspecificity. In contrast, the ANI and dDDH values between the four strains and known Vibrio species ranged from 78.6% to 85.8% and from 13.7% to 59.3%, respectively, both falling below the thresholds for species delineation. The biosynthetic gene clusters support bacterial potentials for stress tolerance and antibiotic synthesis, consistent with strain FJH11T's resistance to all 20 antibiotics and other strains' sensitivity to chloramphenicol and penicillin. Based on these polyphasic taxonomic evidence above, three novel species are thus proposed: Vibrio limimangrovi sp. nov. (type strain FJH11T), Vibrio phycocola sp. nov. (type strain WJH972T), and Vibrio sediminis sp. nov. (type strain HA2012T). This study provides novel insights into the systematics, metabolic diversity, antibiotic resistance, and ecological distribution of the genus Vibrio.

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