Role of Humic Compounds in Viability Prolongation of the Cells of Hydrocarbon-Oxidizing Bacteria

Yu. A. Nikolaev; E. V. Demkina; I. V. Perminova; N. G. Loiko; I. A. Borzenkov; A. E. Ivanona; A. I. Konstantinov; G. I. El’-Registan

doi:10.1134/S0026261719060122

Role of Humic Compounds in Viability Prolongation of the Cells of Hydrocarbon-Oxidizing Bacteria

Authors: Nikolaev Y.A.¹, Demkina E.V.¹, Perminova I.V.², Loiko N.G.¹, Borzenkov I.A.¹, Ivanona A.E.¹, Konstantinov A.I.², El’-Registan G.I.¹
Affiliations:
1. Winogradsky Institute of Microbiology, Research Center of Biotechnology, Russian Academy of Sciences
2. Chemical Faculty, Moscow State University
Issue: Vol 88, No 6 (2019)
Pages: 764-768
Section: Short Communications
URL: https://journals.rcsi.science/0026-2617/article/view/164170
DOI: https://doi.org/10.1134/S0026261719060122
ID: 164170

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Abstract

Addition of humic compounds (9 preparations) to the cultures of hydrocarbon-oxidizing bacteria was shown to result in up to 15-fold increase in the number of viable cells in the cultures stored in the growth media with access to air at 20‒25°C. The most oxidized humates exhibited the highest activity in induction of persister formation, which subsequently matured to dormant forms, while unoxidized humates with antioxidant activity supported viability persistence.