Antonie van Leeuwenhoek

, Volume 112, Issue 8, pp 1169–1175 | Cite as

Emended description of the genus Tabrizicola and the species Tabrizicola aquatica as aerobic anoxygenic phototrophic bacteria

  • Vahideh Tarhriz
  • Setsuko Hirose
  • Shun-ichi Fukushima
  • Mohammad Amin Hejazi
  • Johannes F. Imhoff
  • Vera ThielEmail author
  • Mohammad Saeid HejaziEmail author
Original Paper


The genus Tabrizicola with its type species and strain Tabrizicola aquatica RCRI19T was previously described as a purely chemotrophic genus of Gram-negative, aerobic, non-motile and rod-shaped bacteria. With the present study, we expand the description of the metabolic capabilities of this genus and the T. aquatica type strain to include chlorophyll-dependent phototrophy. Our results confirmed that T. aquatica, does not grow under anaerobic photoautotrophic or photoheterotrophic conditions. However, the presence of the photosynthesis-related genes pufL and pufM could be demonstrated in the genomes of several Tabrizicola strains. Additionally, photosynthetic pigments (bacteriochlorophyll a) were formed under aerobic, heterotrophic and low light conditions in T. aquatica strain RCRI19T. Furthermore, all the genes necessary for a fully operational photosynthetic apparatus and bacteriochlorophyll a are present in the T. aquatica type strain genome. Therefore, we suggest categorising T. aquatica RCRI19T, isolated from freshwater environment of Qurugöl Lake, as an aerobic anoxygenic phototrophic (AAP) bacterium.


Tabrizicola aquatica pufLM genes Aerobic anoxygenic phototrophic (AAP) bacterium 



This work was supported by the Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran and the Institute of Fermentation, Osaka, Japan. The authors thank Dr. Marcus Tank (TMU, Japan) for fruitful discussions and unpublished information.

Authors Contributions

VT (Vahideh Tarhriz) isolated the bacterium. VT, SH, SF and MAH, performed experiments and data analysis. JFI, MSH and VTh (Vera Thiel) designed experiments. VT, VTh, JFI and MSH wrote the paper.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no direct or indirect conflict of interest.

Ethical approval

This is the original work of the authors. The work described has not been submitted elsewhere for publication, in whole or in part, and all authors listed carried out the data analysis and manuscript writing. This article does not contain any studies with human participants or animals performed by any of the authors. Moreover, all authors read and approved the final manuscript.


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Molecular Medicine Research Center, Biomedicine InstituteTabriz University of Medical SciencesTabrizIran
  2. 2.Department of Biological SciencesTokyo Metropolitan UniversityHachiojiJapan
  3. 3.Branch for the Northwest and West RegionAgriculture Biotechnology Research Institute of Iran (ABRII)TabrizIran
  4. 4.Marine MicrobiologyGEOMAR Helmholtz Centre for Ocean ResearchKielGermany
  5. 5.Faculty of PharmacyTabriz University of Medical SciencesTabrizIran
  6. 6.School of Advanced Medical SciencesTabriz University of Medical SciencesTabrizIran

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