Gellertiella hungarica gen. nov., sp. nov., a novel bacterium of the family Rhizobiaceae isolated from a spa in Budapest

Erika Tóth, Sára Szuróczki, Zsuzsa Kéki, Károly Bóka, Tibor Szili-Kovács, Peter Schumann

Research output: Contribution to journalArticle

6 Citations (Scopus)


A novel alphaproteobacterium, strain RAM11T, belonging to the family Rhizobiaceae was isolated from the pool water of a thermal bath in Budapest, Hungary. Based on the 16S rRNA gene sequence strain RAM11T shows the highest sequence similarity values to Ensifer adhaerens Casida A (97.44%), to Ensifer (syn. Sinorhizobium) americanus CFNEI 156T (96.87%) and to Rhizobium azooxidifex Po 20/26T (96.76%). The new bacterium is strictly aerobic, its optimum growth occurs at 20–37 °C, between pH 7 and 9 and without NaCl. It is motile due to a single polar flagellum, capable of budding and forms rosettes in liquid culture. The major isoprenoid quinone of strain RAM11T is Q-10, the major cellular fatty acids are C18: 1 ω7c and 11-MeC18: 1ω7c. The polar lipid profile contains phosphatidylglycerol, phosphatidylethanolamine, phosphatidylmonomethylethanolamine, phosphatidylcholine, an unidentified aminolipid and an unidentified phospholipid. The G+C content of DNA of the type strain is 62.9 mol%. Strain RAM11T (=DSM 29853T=NCAIM B.02618T) is proposed as type strain of a new genus and species with the proposed name Gellertiella hungarica gen. nov., sp. nov.

Original languageEnglish
Pages (from-to)4565-4571
Number of pages7
JournalInternational journal of systematic and evolutionary microbiology
Issue number11
Publication statusPublished - Nov 2017


  • Gellertiella hungarica
  • Polyphasic description

ASJC Scopus subject areas

  • Microbiology
  • Ecology, Evolution, Behavior and Systematics

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