Ústav chemie potravin a biotechnologií
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Urany-Less Low Voltage Transmission Electron Microscopy: A Powerful Tool for Ultrastructural Studying of Cyanobacterial Cells
(MDPI, 2023-03-29)Sample preparation protocols for conventional high voltage transmission electron microscopy (TEM) heavily rely on the usage of staining agents containing various heavy metals, most commonly uranyl acetate and lead citrate. ... -
Conversion of Mixed Waste Food Substrates by Carotenogenic Yeasts of Rhodotorula sp. Genus
(MDPI, 2023-04-13)The consequence of the massive increase in population in recent years is the enormous production of mainly industrial waste. The effort to minimize these waste products is, therefore, no longer sufficient. Biotechnologists, ... -
Oleaginous Yeast Extracts and Their Possible Effects on Human Health.
(MDPI, 2023-02-16)Four non-conventional oleaginous and pigmented yeast strains of Metschnikowia pulcherrima, Cystofilobasidium infirmominiatum, Phaffia rhodozyma, and Rhodotorula kratochvilovae were used in this study. Complex yeast extracts ... -
Production of Enriched Biomass by Carotenogenic Yeasts Cultivated on by-Products of Poultry Processing-A Screening Study
(MDPI, 2023-01-27)Carotenogenic yeasts are a group of microorganisms producing valuable metabolites such as carotenoids, ergosterol, ubiquinone or fatty acids. Their exceptional adaptability allows them to grow in diverse conditions. Owing ... -
National Genome Initiatives in Europe and the United Kingdom in the Era of Whole-Genome Sequencing: A Comprehensive Review
(MDPI, 2022-03-22)Identification of genomic variability in population plays an important role in the clinical diagnostics of human genetic diseases. Thanks to rapid technological development in the field of massive parallel sequencing ... -
On the bioprotective effects of 3-hydroxybutyrate: Thermodynamic study of binary 3HB-water systems
(Biophysical Society, 2023-02-07)The comprehensive study of the phase behavior of sodium 3-hydroxybutyrate (Na3HB) in aqueous mixtures has shed new light on the recently revealed bioprotective role of this compound in poly(3-hydroxybutyrate)-accumulating ... -
Biotechnological production of polyhydroxyalkanoates from glycerol: A review
(Elsevier, 2022-07-01)Current worldwide threats related to global warming, climate change, and depletion of limited fossil resources necessitate the switch of industry towards producing carbon-neutral chemicals, solvents, fuels, and plastics. ... -
Combination of Hypotonic Lysis and Application of Detergent for Isolation of Polyhydroxyalkanoates from Extremophiles
(MDPI, 2022-04-26)Production of polyhydroxyalkanoates (PHA), microbial biopolyesters, employing extremophilic microorganisms is a very promising concept relying on robustness of such organisms against microbial contamination, which provides ... -
Effects of Differing Monomer Compositions on Properties of P(3HB-co-4HB) Synthesized by Aneurinibacillus sp. H1 for Various Applications
(MDPI, 2022-05-10)Films prepared from poly(3-hydroxybutyrate-co-4-hydroxybutyrate) copolymers produced by Aneurinibacillus sp. H1 using an automatic film applicator were homogeneous and had a defined thickness, which allowed a detailed study ... -
Assessment of Biotechnologically Important Filamentous Fungal Biomass by Fourier Transform Raman Spectroscopy
(MDPI, 2021-06-23)Oleaginous filamentous fungi can accumulate large amount of cellular lipids and biopolymers and pigments and potentially serve as a major source of biochemicals for food, feed, chemical, pharmaceutical, and transport ... -
Glycogen, poly(3-hydroxybutyrate) and pigment accumulation in three Synechocystis strains when exposed to a stepwise increasing salt stress
(Springer, 2022-04-13)The cyanobacterial genus Synechocystis is of particular interest to science and industry because of its efficient phototrophic metabolism, its accumulation of the polymer poly(3-hydroxybutyrate) (PHB) and its ability to ... -
Bifidobacterium longum CCM 7952 promotes epithelial barrier function and prevents acute DSS-induced colitis in strictly strain-specific manner
(PLOS, 2015-07-28)Background Reduced microbial diversity has been associated with inflammatory bowel disease (IBD) and probiotic bacteria have been proposed for its prevention and/or treatment. Nevertheless, comparative studies of strains ... -
Autenticita čokolád s různým obsahem kakaové sušiny
(Garmond Nitra, 2022-04-04)This work deals with the analysis of chocolate samples with different cocoa solids content purchased in the Czech sales network. The work aims to verify whether the producers do not deceive the consumer by artificially ... -
The Multiple Roles of Polyphosphate in Ralstonia eutropha and Other Bacteria
(karger, 2021-05-01)An astonishing variety of functions has been attributed to polyphosphate (polyP) in prokaryotes. Besides being a reservoir of phosphorus, functions in exopolysaccharide formation, motility, virulence and in surviving various ... -
Stress Effect of Food Matrices on Viability of Probiotic Cells during Model Digestion
(MDPI, 2021-07-05)The aim of this study was to evaluate the influence of model (alcohol, sugar, salt, protein and acid) and real foods and beverages on the viability of probiotics during incubation and artificial digestion. Viability of ... -
Biotechnological Conversion of Grape Pomace to Poly(3-hydroxybutyrate) by Moderately Thermophilic Bacterium Tepidimonas taiwanensis
(MDPI, 2021-09-01)Polyhydroxyalkanoates (PHA) are microbial polyesters that have recently come to the forefront of interest due to their biodegradability and production from renewable sources. A potential increase in competitiveness of PHA ... -
Impact of organic and integrated pest management on the elemental composition of wine and grapes in a season with high fungal pressure
(Polish Society for Magnesium Research and UWM in Olsztyn, 2021-12-01)The aim of this study was to compare organic and integrated pest management systems in terms of the influence of the application of specific pesticides on the elemental composition of grapes and wine. Samples of wine and ... -
Complete Genome Sequence of the Type Strain Tepidimonas taiwanensis LMG 22826T, a Thermophilic Alkaline Protease and Polyhydroxyalkanoate Producer
(Oxford University Press, 2021-12-15)Tepidimonas taiwanensis is a moderately thermophilic, Gram-negative, rod-shaped, chemoorganoheterotrophic, motile bacterium. The alkaline protease producing type strain Tepidimonas taiwanensis LMG 22826T was recently ... -
Use of Waste Substrates for the Lipid Production by Yeasts of the Genus Metschnikowia—Screening Study
(MDPI, 2021-11-04)Oleogenic yeasts are characterized by the ability to accumulate increased amounts of lipids under certain conditions. These microbial lipids differ in their fatty acid composition, which allows them to be widely used in ... -
Isolation, identification and characterization of regional indigenous Saccharomyces cerevisiae strains
(Elsevier, 2016-01-27)In the present work we isolated and identified various indigenous Saccharomyces cerevisiae strains and screened them for the selected oenological properties. These S. cerevisiae strains were isolated from berries and ...
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