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Abstract <p>Isolation, study and identification of bacteria producing the violet pigment violacein, which has a wide range of biological activities, is of interest for the biotechnological processes development. A violet-pigmented, Gram-stain-negative, rod-shaped, aerobic, nonmotile strain, designated S-LB17, was isolated from the water of Lake Baikal. Phylogenetic analysis of the 16S rRNA gene sequence showed that strain S-LB17 belonged to the genus <i>Iodobacter</i>, showing 98.7% similarity to the sequence of <i>Iodobacter</i> <i>arcticus</i> strain M4-16<sup>T</sup>. Comparison of the phenotypic properties of strain S-LB17 revealed multiple differences with type strains of <i>I. arcticus</i> and <i>I. fluviatilis</i>.</p>

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Isolation and Characterization of a Violacein Pigment-Producing Psychrotolerant Bacterium Iodobacter sp. Strain S-LB17

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • Yu. R. Zakharova,
  • A. M. Marchenkov,
  • G. A. Fedorova,
  • Ye. D. Bedoshvili,
  • D. P. Petrova

摘要

Abstract

Isolation, study and identification of bacteria producing the violet pigment violacein, which has a wide range of biological activities, is of interest for the biotechnological processes development. A violet-pigmented, Gram-stain-negative, rod-shaped, aerobic, nonmotile strain, designated S-LB17, was isolated from the water of Lake Baikal. Phylogenetic analysis of the 16S rRNA gene sequence showed that strain S-LB17 belonged to the genus Iodobacter, showing 98.7% similarity to the sequence of Iodobacter arcticus strain M4-16T. Comparison of the phenotypic properties of strain S-LB17 revealed multiple differences with type strains of I. arcticus and I. fluviatilis.