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<p>A rod-shaped, aerobic, and Gram-stain-negative bacterial strain, MS7<sup>T</sup>, was isolated from a co-culture solution containing <i>Myriophyllum spicatum</i> and <i>Microcystis aeruginosa</i>. Through the 16S ribosomal RNA (rRNA) gene analysis, strain MS7<sup>T</sup> was related to <i>Ferrovibrio xuzhouensis</i> LM-6<sup>&#xa0;T</sup> (97.64%, sequence similarity), <i>Ferrovibrio denitrificans</i> S3<sup>T</sup> (97.27%), and <i>Ferrovibrio soli</i> A15<sup>T</sup> (96.83%). The digital DNA-DNA hybridization (dDDH) and average nucleotide identity (ANI) values between MS7<sup>T</sup> and related type strains were found to be less than the threshold values for species delimitation, with 22.5% and 78.81, respectively. The respiratory quinone was ubiquinone Q-10 and the most prominent fatty acids (&gt; 10.0%) were identified as C<sub>16:0</sub>, summed feature 3 (C<sub>16:1</sub> <i>ω</i>7<i>c</i> and/or C<sub>16:1</sub> <i>ω</i>6<i>c</i>), and summed feature 8 (C<sub>18:1</sub> <i>ω</i>7<i>c</i> and/or C<sub>18:1</sub> <i>ω</i>6<i>c</i>). The main polar lipids detected were phosphatidylethanolamine, phosphatidylglycerol, unidentified aminophospholipid, two unidentified aminolipids, and four unidentified lipids. The genomic DNA G + C content was determined to be 63.7%. In conclusion, strain MS7<sup>T</sup> is regarded as a novel species within the genus <i>Ferrovibrio</i>, for which the name <i>Ferrovibrio plantarum</i>&#xa0;sp. nov. is proposed. The type strain is designated as MS7<sup>T</sup> (= KCTC 8000<sup>T</sup> = LMG 33141<sup>&#xa0;T</sup>).</p>

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Ferrovibrio plantarum sp. nov., Isolated from the Co-culture of Myriophyllum spicatum (Water Milfoil) and Microcystis aeruginosa

  • 期刊论文

  • 发表日期：

    2025年7月30日

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  • Mingyeong Kang,
  • Seonah Jeong,
  • Ve Van Le,
  • So-Ra Ko,
  • Min-Seong Kim,
  • Dong-Yun Choi,
  • Chi-Yong Ahn

摘要

A rod-shaped, aerobic, and Gram-stain-negative bacterial strain, MS7T, was isolated from a co-culture solution containing Myriophyllum spicatum and Microcystis aeruginosa. Through the 16S ribosomal RNA (rRNA) gene analysis, strain MS7T was related to Ferrovibrio xuzhouensis LM-6 T (97.64%, sequence similarity), Ferrovibrio denitrificans S3T (97.27%), and Ferrovibrio soli A15T (96.83%). The digital DNA-DNA hybridization (dDDH) and average nucleotide identity (ANI) values between MS7T and related type strains were found to be less than the threshold values for species delimitation, with 22.5% and 78.81, respectively. The respiratory quinone was ubiquinone Q-10 and the most prominent fatty acids (> 10.0%) were identified as C16:0, summed feature 3 (C16:1 ω7c and/or C16:1 ω6c), and summed feature 8 (C18:1 ω7c and/or C18:1 ω6c). The main polar lipids detected were phosphatidylethanolamine, phosphatidylglycerol, unidentified aminophospholipid, two unidentified aminolipids, and four unidentified lipids. The genomic DNA G + C content was determined to be 63.7%. In conclusion, strain MS7T is regarded as a novel species within the genus Ferrovibrio, for which the name Ferrovibrio plantarum sp. nov. is proposed. The type strain is designated as MS7T (= KCTC 8000T = LMG 33141 T).