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Abstract <p><b>Objective:</b> To compare the phenolic compounds in <i>Synechocystis</i> sp. PCC 6803 and <i>Desertifilum tharense</i> cyanobacteria. <b>Methods:</b> Total phenolics were measured spectrophotometrically. Composition was analyzed <i>via</i> TLC and UV spectrometry. <b>Results and Discussion:</b> <i>Synechocystis</i> sp. had nearly double the phenolic content of <i>D. tharense</i>. Both species accumulated more phenolics during linear growth (day 3). TLC revealed 4 phenolic compounds in <i>Synechocystis</i> sp. and 7 in <i>D. tharense</i>, including conjugates of <i>p</i>-hydroxybenzoic and <i>p</i>-coumaric acids. <b>Conclusions:</b> Cyanobacteria produce phenolic compounds, with <i>Synechocystis</i> sp. being more productive. The diversity of phenolics differs between species, confirming the universality of their biosynthesis in prokaryotes.</p>

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Comparison of the Phenolic Compounds Content and Composition in Synechocystis sp. Sauvageau and Desertifilum tharense Dadheech et Krienitz

  • 期刊论文

  • 发表日期：

    2025年12月15日

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  • N. V. Zagoskina,
  • M. A. Sinetova,
  • P. V. Lapshin,
  • D. A. Los’

摘要

Abstract

Objective: To compare the phenolic compounds in Synechocystis sp. PCC 6803 and Desertifilum tharense cyanobacteria. Methods: Total phenolics were measured spectrophotometrically. Composition was analyzed via TLC and UV spectrometry. Results and Discussion: Synechocystis sp. had nearly double the phenolic content of D. tharense. Both species accumulated more phenolics during linear growth (day 3). TLC revealed 4 phenolic compounds in Synechocystis sp. and 7 in D. tharense, including conjugates of p-hydroxybenzoic and p-coumaric acids. Conclusions: Cyanobacteria produce phenolic compounds, with Synechocystis sp. being more productive. The diversity of phenolics differs between species, confirming the universality of their biosynthesis in prokaryotes.