Dual bloom of green algae and purple bacteria in an extremely shallow soda pan

Kristóf Korponai, Attila Szabó, Boglárka Somogyi, Emil Boros, Andrea K. Borsodi, Laura Jurecska, Lajos Vörös, Tamás Felföldi

Research output: Contribution to journalArticle

1 Citation (Scopus)


In April 2014, dual bloom of green algae and purple bacteria occurred in a shallow, alkaline soda pan (Kiskunság National Park, Hungary). The water was only 5 cm deep, in which an upper green layer was clearly separated from a near-sediment purple one. Based on microscopy and DNA-based identification, the upper was inhabited by a dense population of the planktonic green alga, Oocystis submarina Lagerheim, while the deeper layer was formed by purple, bacteriochlorophyll-containing bacteria, predominated by Thiorhodospira and Rhodobaca. Additional bacterial taxa with a presumed capability of anoxygenic phototrophic growth belonged to the genera Loktanella and Porphyrobacter. Comparing the bacterial community of the purple layer with a former blooming event in a nearby soda pan, similar functional but different taxonomic composition was revealed. Members from many dominant bacterial groups were successfully cultivated including potentially new species, which could be the result of the application of newly designed media.

Original languageEnglish
Pages (from-to)467-477
Number of pages11
Issue number4
Publication statusPublished - Jul 1 2019



  • Bloom
  • Oocystis
  • Purple bacteria
  • Rhodobaca
  • Soda pan
  • Thiorhodospira

ASJC Scopus subject areas

  • Microbiology
  • Molecular Medicine

Cite this

Korponai, K., Szabó, A., Somogyi, B., Boros, E., Borsodi, A. K., Jurecska, L., Vörös, L., & Felföldi, T. (2019). Dual bloom of green algae and purple bacteria in an extremely shallow soda pan. Extremophiles, 23(4), 467-477. https://doi.org/10.1007/s00792-019-01098-4