Erika Tóth

Erika Tóth


Associated Professor



+36-1-372-2500/8386 or 8792

Short CV:

1984-89: MSc, ELTE

1989: Biologist, ELTE, Doc No: 744/1989

1995-1998: PhD school, ELTE (Genetics)

2001: PhD, Doc No: P-412/2001

2012: Habilitation (ELTE), Doc No:798/2012

2017-2023: Head of the Department of Microbiology (ELTE)

2018. Head of the Biology program of Environmental Doctoral School of ELTE

2019. Core member of the Environmental Doctoral School of ELTE

2022. DSc, Doc No: 5789



1995- Hungarian Society for Microbiology

2000-2006. Hungarian Society for Parasitologists

2006- Hungarian Hydrological Society

2008- Member of the Supervisory Board of the Hungarian Microbiological Society

2008- Member of the International Committee in Systematic of Prokaryotes (ICSP) in the Subcommittee on the Taxonomy of the Suborder Micrococcineae

2014-2018 Member of ICSP EB (executive board)

2018- Hungarian delegate of ICSP


Research topics:

  • Classical and novel microbiological cultivation techniques, (isolation of bacterial strains, phenotypic and genetic characterisation), developing special cultivation techniques.
  • Microbial taxonomy, description of novel bacterial taxa.
  • Microbial ecology, environmental diagnostics: study microbial ecology of aquatic habitats, microbiology of natural and artificial aquatic systems, study of water purification systems by cultivation and molecular techniques. Analysis the microbiology of contaminated urban soils. Drugs and drug residuals in nature.
  • Joint Danube Survey (JDS4)
  • Microbiological study of contaminated urban soils



  • Chapters in classical and molecular microbiology L (molbakmb17em)
  • Microbial ecology L (ktudmikokob17em)
  • General microbiology L (bb5t1600)
  • General Microbiology for postgraduated students L (bmbe1032)
  • Classical and molecular bacterial taxonomy L (baktaxmb17em)
  • Classical and molecular methods in microbiology PR (kmmikmmb17lm)
  • Bacterial taxonomy and virus diagnostic PR (baktaxmb17lm)
  • Microbiology of aquatic environments (KÖR-2/1/05-eng)
  • Basic biochemical instrumental methods (bmbe4021)


PhD supervision

Marwene Toumi (KTDI): Microbial communities of low nutrient concentration aquatic habitats

Gorkhmaz Abbaszade (50 % KTDI): Microbiological investigations on contaminated urban soils

Farkas Rózsa (BDI): Investigation of the effect of different pollutants on the microbial community composition

Mireisz Tamás (KTDI): Degradation of different drugs and drug residuals by microorganisms.


Selected publications:

Szuróczki, S., Abbaszade, G., Bóka, K.​, Schumann, P., Neumann-Schaal, M., Tóth, E. (2022). Szabonella alba gen. nov., sp. nov., a motile alkaliphilic bacterium of the family Rhodobacteraceae isolated from a soda lake.  International Journal of Systematic and Evolutionary Microbiology, 72(1) doi:

Abbaszade, G., Szabó, A., Vajna, B., Farkas, R., Szabó, Cs., Tóth, E. (2020). Whole genome sequence analysis of Cupriavidus campinensis S14E4C, a heavy metal resistant bacterium. Molecular Biology Reports 47, 3973–3985. doi:

Szuróczki, S., Szabó, A., Korponai, K., Felföldi, T., Somogyi, B., Márialigeti, K., Tóth, E. (2020). Prokaryotic community composition in a great shallow soda lake covered by large reed stands (Neusiedler See/Lake Fertő) as revealed by cultivation- and DNA-based analyses. FEMS Microbiology Ecology, 96(10) fiaa159. doi:

Kéki, Zs., Makk, J., Barkács, K., Vajna, B., Palatinszky, M., Márialigeti, K., Tóth, E. 2019. Critical point analysis and biocide treatment in a microbiologically contaminated water purification system of a power plant. SN Applied Sciences 1(8), 820-832.

Kirschner AKTReischer GHJakwerth SSavio DIxenmaier SToth ESommer RMach RLLinke REiler AKolarevic SFarnleitner AH.  2017. Multiparametric monitoring of microbial faecal pollution reveals the dominance of human contamination along the whole Danube River. Water Research 124, 543-555. doi: 10.1016/j.watres.2017.07.052. 

Bohus, V., Tóth, EM., Székely, A., Makk, J., Branyi, K., Patek, G., Schunk, J., Márialigeti, K. 2010. Microbiological investigation of an industrial ultra pure supply water plant using cultivation-based and cultivation-independent methods. Water Research 44(20), 6124-32. doi: 10.1016/j.watres.2010.07.006. 

Tóth, EM., Schumann, P., Borsodi, AK., Keki, Zs., Kovacs, AL., Márialigeti, K. 2008. Wohlfahrtiimonas chitiniclastica gen. nov., sp. nov., a new gammaproteobacterium isolated from Wohlfahrtia magnifica (Diptera: Sarcophagidae).  International Journal of Systematic and Evolutionary Microbiology, 58(4):976-81. doi: 10.1099/ijs.0.65324-0.


Publications are available:

MTMT, Google Scholar, Researcher ID