Archives of Microbiology

, Volume 201, Issue 10, pp 1399–1404 | Cite as

Prosthecochloris marina sp. nov., a new green sulfur bacterium from the coastal zone of the South China Sea

  • Irina A. BryantsevaEmail author
  • Alexey L. Tarasov
  • Nadezhda A. Kostrikina
  • Vasil A. Gaisin
  • Denis S. Grouzdev
  • Vladimir M. Gorlenko
Original Paper


A Gram-negative, anaerobic photoautotroph, nonmotile, oval bacterium possessing gas vesicles and having no prosthecae, designated as V1, was isolated from the South China Sea coastal zone. It had chlorosomes as photosynthetic structures, and bacteriochlorophyll c as the major photosynthetic pigment. The strain was found to grow at 20–35 °C, pH 6.3–8.0 (optimum, pH 7.1) and with 0.7–5.8% (w/v) NaCl (optimum, 1–1.8%). In the presence of sulfide and bicarbonate, acetate, and fructose promoted growth. The DNA G+C content was 47 mol%. While the new isolate belonged to the Chlorobiaceae genus Prosthecochloris, it exhibited low similarity of the 16S rRNA gene sequences (96.21–96.78%) to other members of this genus. Comparison of the genome nucleotide sequences of strain V1 revealed that the new isolate was remote from the Chlorobiaceae type strains both in dDDH (16.8–18.9%) and in ANI (75.2–77.8%). We propose to assign the isolate to a new species, Prosthecochloris marina sp. nov., with the type strain V1T ( = VKM-3301T = KCTC 15824T).


Green sulfur bacteria Anaerobic photoautotroph Chlorosomes Prosthecochloris marina 



This work was financially supported by the Presidium of the Russian Academy of Sciences via the program “Evolution of the Organic World and Planet-Scale Processes” (Subprogram 2), by the Russian Foundation for Basic Research (Project no. 19–04-00423), and the Ministry of Science and Higher Education of the Russian Federation. DNA sequencing was partially performed using the scientific equipment of the Core Research Facility "Bioengineering" (Research Center of Biotechnology RAS).


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Irina A. Bryantseva
    • 1
    • 3
    Email author
  • Alexey L. Tarasov
    • 1
  • Nadezhda A. Kostrikina
    • 1
  • Vasil A. Gaisin
    • 2
  • Denis S. Grouzdev
    • 2
  • Vladimir M. Gorlenko
    • 1
  1. 1.Winogradsky Institute of Microbiology, Research Center of BiotechnologyRussian Academy of SciencesMoscowRussia
  2. 2.Institute of Bioengineering, Research Center of BiotechnologyRussian Academy of SciencesMoscowRussia
  3. 3.MoscowRussia

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