Zhengella sedimenti sp. nov. and Phycobacter sedimenti sp. nov., two novel bacteria isolated from coastal sediment with genomic and metabolic analysis

We report two novel Gram-stain-negative strains (Zhengella sedimenti sp. nov., Phycobacter sedimenti sp. nov.) isolated from the coastal sediment of Weihai, China. Using polyphasic taxonomy, whole-genome sequencing, and metabolic pathway analysis, we confirm their taxonomic placement and infer ecological functions.

• Isolation & taxonomy: coastal sediment; polyphasic classification (morphology, physiology, 16S rRNA phylogeny).
• Genomics: pathways for aromatic compound degradation and algal symbiosis suggested by key operons.
• Significance: expands diversity within related genera and informs the metabolic ecology of coastal microbiota.

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Recommended citation: Lin PR, Deng L-JY, Zhang H-Z, Liu L, Liu T-H, Lu D-C, Du Z-J. (2025). Zhengella sedimenti sp. nov. and Phycobacter sedimenti sp. nov., two novel bacteria isolated from coastal sediment with genomic and metabolic analysis. Antonie Van Leeuwenhoek, 118:117.
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