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Kharkhota M, Kharchuk M, Duplij V, Brindza J, Avdieieva L, Matvieieva N. Effect of Priestia endophytica on the metabolites accumulation in chicory and lettuce plants cultivated in vitro. Prep Biochem Biotechnol 2023; 53:1137-1142. [PMID: 36762765 DOI: 10.1080/10826068.2023.2175365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
The influence of the culture medium without bacterial cells, obtained after the cultivation of endophytic bacteria Priestia endophytica UCM B-5715, on the growth and synthesis of some metabolites in lettuce and chicory seedlings under in vitro conditions was studied. Bacteria were cultivated in liquid LB medium at 37 ºC for 24 h with periodic stirring. The culture fluid was separated from the cell biomass. For preparing the test solution, the supernatant was sterilized by filtration through a filter with a pore diameter of 0.2 µm (Sartorius, Minisart) and diluted with sterile distilled water. The 20% culture fluid (30 µl/plant) was applied to 3-day-old seedlings. In 28 days root and shoot weights of treated chicory plants were 54.3 ± 6.9 and 260.0 ± 20.2 mg, respectively (8.0 ± 0.7 and 91.4 ± 7.0 mg for the control plants). Total flavonoid content and antioxidant activity increased only in chicory plants after the addition of the test solution. Significant changes in the metabolism of treated plants were detected. In the treated lettuce plants asparagine content increased compared to the control (90 vs 22 µg/g, p < 0.1). The median content of fructose was also higher in treated lettuce and chicory plants (1469 vs 73 µg/g and 2278 vs 1051 µg/g). Therefore, the use of culture fluid obtained after the cultivation of P. endophytica UСM B-5715 stimulated the growth of lettuce and chicory plants, affecting the synthesis of some compounds in single-treated plants. These results indicate the potential of compounds excreted during bacterial growth to create natural growth stimulators.
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Affiliation(s)
- Maksym Kharkhota
- D. K. Zabolotny Institute of Microbiology and Virology, NAS of Ukraine, Kyiv, Ukraine
| | - Maksym Kharchuk
- D. K. Zabolotny Institute of Microbiology and Virology, NAS of Ukraine, Kyiv, Ukraine
| | - Volodymyr Duplij
- Institute of Cell Biology and Genetic Engineering, NAS of Ukraine, Kyiv, Ukraine
| | - Jan Brindza
- Faculty of Agrobiology and Food Resources, Slovak University of Agriculture in Nitra, Nitra, Slovakia
| | - Liliia Avdieieva
- D. K. Zabolotny Institute of Microbiology and Virology, NAS of Ukraine, Kyiv, Ukraine
| | - Nadiia Matvieieva
- Institute of Cell Biology and Genetic Engineering, NAS of Ukraine, Kyiv, Ukraine
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Chernii S, Losytskyy M, Tretyakova I, Kharchuk M, Vakarov S, Kovalskyy D, Gerasymchyk Y, Pekhnyo V, Chernii V, Kovalska V. Inhibition of heat-induced protein aggregation by zirconium phthalocyanines. Proteins 2023. [PMID: 36732896 DOI: 10.1002/prot.26475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 01/26/2023] [Accepted: 01/30/2023] [Indexed: 02/04/2023]
Abstract
Specific proteins found in food sources tend to aggregate into fibrils under heat treatment; studying these aggregation processes and developing tools to control protein heat-induced aggregation is an active area of research. Phthalocyanine complexes are known to exhibit antiprionic and anti-fibrillogenic activity. Thus, the anti-fibrillogenic effect of a series of Zr phthalocyanines with different out-of-plane coordinated ligands, namely positively charged (PcZrLys2 ), negatively charged (PcZrCitr2 ), and group able to form disulfide bridges (PcZrS2 ), on the heat-induced aggregation of such proteins as BLG, insulin, and lysozyme was studied. The inhibition of reaction activity up to about 90% was observed in the presence of these compounds for all proteins. The effective concentration of the inhibitor was calculated for the compound with the highest activity (PcZrS2 ) to be 10.6 ± 3.6 and 7.3 ± 1.2 μM/L, respectively. Fluorescence spectroscopy studies demonstrated similar binding constants of three phthalocyanines binding with BLG globule. This is consistent with the results of molecular dynamics simulation, which imply the interaction of the globule with the tetrapyrrole macrocycle of phthalocyanine, leading to the globule stabilization. At the same time, TEM shows that in the presence of phthalocyanine PcZrS2 , thinner and longer fibrils were formed compared to control in all three proteins (BLG, insulin, and lysozyme). Thus, we can conclude that phthalocyanine PcZrS2 affects the amyloid aggregation's general mechanism, which is typical for proteins of different structures. Therefore, the phthalocyanine PcZrS2 is proposed as an anti-amyloidogenic agent suppressing heat-induced aggregation of proteins of different structures, making it potentially suitable for application in the food industry.
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Affiliation(s)
- Svitlana Chernii
- Institute of Molecular Biology and Genetics, NASU, Kyiv, Ukraine.,V.I. Vernadsky Institute of General and Inorganic Chemistry, NASU, Kyiv, Ukraine
| | - Mykhaylo Losytskyy
- Institute of Molecular Biology and Genetics, NASU, Kyiv, Ukraine.,Faculty of Physics, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine
| | - Iryna Tretyakova
- V.I. Vernadsky Institute of General and Inorganic Chemistry, NASU, Kyiv, Ukraine
| | - Maksym Kharchuk
- Danylo Zabolotny Institute of Microbiology and Virology, NASU, Kyiv, Ukraine
| | - Serhii Vakarov
- V.I. Vernadsky Institute of General and Inorganic Chemistry, NASU, Kyiv, Ukraine
| | - Dmytro Kovalskyy
- Greehey Children Cancer Research Institute, The University of Texas Health Science Center, San Antonio, Texas, USA
| | - Yuriy Gerasymchyk
- Institute of Low Temperature and Structure Research, PAS, Wrocław, Poland
| | - Vasyl Pekhnyo
- V.I. Vernadsky Institute of General and Inorganic Chemistry, NASU, Kyiv, Ukraine
| | - Viktor Chernii
- V.I. Vernadsky Institute of General and Inorganic Chemistry, NASU, Kyiv, Ukraine
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Kharkhota M, Hrabova H, Kharchuk M, Ivanytsia T, Mozhaieva L, Poliakova A, Avdieieva L. Chromogenicity of aerobic spore-forming bacteria of the Bacillaceae family isolated from different ecological niches and physiographic zones. Braz J Microbiol 2022; 53:1395-1408. [PMID: 35438476 PMCID: PMC9433553 DOI: 10.1007/s42770-022-00755-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 04/05/2022] [Indexed: 11/28/2022] Open
Abstract
To determine the distribution patterns of pigmented bacteria of the Bacilaceae family in different physiographic zones and ecological niches, we recovered 787 isolates from 185 environmental samples (including the areas with radiation pollution). Among the strains obtained, 149 pigmented representatives were detected, which synthesized intracellular and extracellular pigments of yellow, red, pink, and dark colors. In compliance with physiological, biochemical, and chemotaxonomic features, the isolates were identified as 7 species of the Bacilaceae family. We demonstrated that the ability to synthesize pigments significantly depended on the culture medium composition. According to the color of the colonies, the absorption spectra of pigment extracts, their physicochemical properties, and the implementation of several qualitative tests, the pigmented isolates were divided into ten groups. The relative number of pigmented strains in the physiographic zone was consistent with the total level of solar radiation for the year. Most pigmented members of the Bacillaceae family were recovered from deserts and semi-deserts, and fewest of them originated from mixed forests. We show that among the studied ecological niches, pigmented strains were most often isolated from the phyllosphere and aquatic environment and least often from soils. However, the isolates from soils and aquatic environments exhibited a greater diversity of pigmentation, and a lesser variety of colored strains was obtained from the phyllosphere and the gastrointestinal tract of animals. We established that the quantitative and qualitative composition of pigmented isolates from the areas with radiation contamination differed significantly from those coming from the natural radiation background.
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Affiliation(s)
- M Kharkhota
- Department of Antibiotics, D.K. Zabolotny Institute of Microbiology and Virology of the NASU, Kyiv, Ukraine.,Laboratory of Biological Polymer Compounds, D.K. Zabolotny Institute of Microbiology and Virology of the NASU, Kyiv, Ukraine
| | - H Hrabova
- Department of Antibiotics, D.K. Zabolotny Institute of Microbiology and Virology of the NASU, Kyiv, Ukraine
| | - M Kharchuk
- Department of Antibiotics, D.K. Zabolotny Institute of Microbiology and Virology of the NASU, Kyiv, Ukraine.,Laboratory of Biological Polymer Compounds, D.K. Zabolotny Institute of Microbiology and Virology of the NASU, Kyiv, Ukraine
| | - T Ivanytsia
- Department of Microbiology, Virology, and Biotechnology, Odesa I.I. Mechnikov National University, Odesa, Ukraine
| | - L Mozhaieva
- Department of Antibiotics, D.K. Zabolotny Institute of Microbiology and Virology of the NASU, Kyiv, Ukraine
| | - A Poliakova
- Laboratory of Biological Polymer Compounds, D.K. Zabolotny Institute of Microbiology and Virology of the NASU, Kyiv, Ukraine.
| | - L Avdieieva
- Department of Antibiotics, D.K. Zabolotny Institute of Microbiology and Virology of the NASU, Kyiv, Ukraine
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Skrotska O, Kharchenko Y, Laziuka Y, Marynin A, Kharchuk M. Biosynthesis and characteriсtics of silver nanoparticles obtained using Saccharomyces cerevisiae М437. Ukr food j 2021. [DOI: 10.24263/2304-974x-2021-10-3-14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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