Balázs Vajna

Balázs Vajna


assistant professor


Phone number:


Introduction / Short CV:

PhD: 2011

Research area:

Microbiological background of Pleurotus and Agaricus production: bacterial succession during substrate and compost preparation; bacterium-fungus interactions during substrate colonization and fruiting body production; oyster mushroom lignocellulose degrading activity

Fungal communities of semiarid sandy grasslands

Teaching activities:

  • Bacterial taxonomy and virus diagnostic PR (baktaxmb17lm)
  • Chapters from classical and molecular microbiology (molbakmb17em)
  • Classical and molecular methods in microbiology PR (kmmikmmb17lm)
  • Environmental microbiology (ktudmikrobb17gm)


  • Fanni Tóth (PhD): Microbiological background of white button mushroom (Agaricus bisporus) and oyster mushroom (Pleurotus ostreatus) production, with particular attention on the potential present mycotoxins
  • Renáta Bánfi (PhD, after absolutory): Bacterium-fungus interactions in an oyster mushroom (Pleurotus ostreatus) model system

Selected publications:

Bánfi, R., Pohner, Zs., Szabó, A., Herczeg, G., Kovács, G.M., Nagy, A., Márialigeti, K., Vajna, B. 2021. Succession and potential role of bacterial communities during Pleurotus ostreatus production, FEMS Microbiology Ecology, 97, fiab125, DOI: 10.1093/femsec/fiab125

Knapp, D.G., Lázár, A., Molnár, A., Vajna, B., Karácsony, Z., Váczy, K.Z., Kovács, G.M. 2021. Above-ground parts of white grapevine Vitis vinifera cv. Furmint share core members of the fungal microbiome. Environmental Microbiology Report. 13, 509-520. DOI: 10.1111/1758-2229.12950

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. Springer Nature Applied Sciences. 1:820 doi: 10.1007/s42452-019-0740-9

Deveau, A., Bonito, G., Uehling, J., Paoletti, M., Becker, M., Bindschedler, S., Hacquard, S., Hervé, V., Labbé, J., Lastovetsky, O.A., Mieszkin, S., Millet, L.J., Vajna, B., Junier, P., Bonfante, P., Krom, B.P., Olsson, S., van Elsas, J.D., Wick, L.Y. 2018. Bacterial - Fungal Interactions: ecology, mechanisms and challenges. FEMS Microbiology Reviews, 42, 335-352. doi: 10.1093/femsre/fuy008

Mentes, A., Szabó, A., Somogyi, B., Vajna, B., Tugyi, N., Csitári, B., Vörös, L., Felföldi, T. 2018. Differences in planktonic microbial communities associated with three types of macrophyte stands in a shallow lake. FEMS Microbiology Ecology. 94, fix164, doi: 10.1093/femsec/fix164

Bánfi, R., Pohner, Zs., Kovács, J., Luzics, Sz., Nagy, A., Dudás, M., Tanos, P., Márialigeti, K., Vajna, B. 2015. Characterisation of the large-scale production process of oyster mushroom (Pleurotus ostreatus) with the analysis of succession and spatial heterogeneity of lignocellulolytic enzyme activities. Fungal Biology, 119, 1354-1363. doi: 10.1016/j.funbio.2015.10.003

Vajna, B., Szili, D., Nagy, A., Márialigeti, K. 2012. An improved sequence aided T-RFLP analysis of bacterial succession during oyster mushroom substrate preparation. Microbial Ecology, 64, 702-713. doi: 10.1007/s00248-012-0063-5

Vajna, B., Kanizsai, Sz., Kéki, Zs., Márialigeti, K., Schumann, P., Tóth, E.M. 2012. Thermus composti sp. nov., isolated from oyster mushroom compost. International Journal of Systematic and Evolutionary Microbiology, 62, 1486-1490. doi: 10.1099/ijs.0.030866-0


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