
Marek KieliszekWarsaw University of Life Sciences | SGGW · Department of Food Biotechnology and Microbiology
Marek Kieliszek
Professor
Biotechnology, Microbiology, Biochemistry, Genetics, Food Technology
About
143
Publications
113,960
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
7,409
Citations
Introduction
Publications
Publications (143)
The extremely high costs of manufacturing transglutaminase from animal origin (EC 2.3.2.13) have prompted scientists to search for new sources of this enzyme. Interdisciplinary efforts have been aimed at producing enzymes synthesised by microorganisms which may have a wider scope of use. Transglutaminase is an enzyme that catalyses the formation of...
This paper examines the process of selenium bioaccumulation and selenium metabolism in yeast cells. Yeast cells can bind elements in ionic from the environment and permanently integrate them into their cellular structure. Up to now, Saccharomyces cerevisiae, Candida utilis, and Yarrowia lipolytica yeasts have been used primarily in biotechnological...
Selenium is a micronutrient that is essential for the proper functioning of all organisms. Studies on the functions of selenium are rapidly developing. This element is a cofactor of many enzymes, for example, glutathione peroxidase or thioredoxin reductase. Insufficient supplementation of this element results in the increased risk of developing man...
Selenium (Se) is an element that has a pro-health effect on humans and animals. However, both the deficiency of this element and its excess may prove harmful to the body depending on the chemical form of the selenium, the duration of supplementation, and the human health condition. Many data indicate insufficient coverage of the demand for selenium...
Laetrile, known as vitamin B17, is often used interchangeably with amygdalin. Laetrile is a semi‐synthesis product of amygdalin, whereas amygdalin is a naturally occurring substance in many plants. Both compounds have a nitrile functional group that, when activated by the intestinal enzyme β‐glucosidases, releases hydrogen cyanide. The two compound...
Background
This study investigated the selenium-binding capacity of the biomass of two yeast strains, Saccharomyces cerevisiae American Type Culture Collection (ATCC) 7090 and Rhodotorula glutinis CCY 20-2-26.
Methods
The studies carried out methods of bioaccumulation by yeast biomass. Inorganic selenium was added to the culture media as an aqueou...
The present study aim was to utilize mango kernel seed for the extraction of starch and their application for developing edible coating enriched with lemongrass essential oil. In addition, the effects of developed edible coatings on the postharvest shelf-life of tomatoes during storage at room (23 ± 2 ºC and cold storage (10 ± 2 ºC) conditions up t...
Microbial transglutaminase (MTG) is an enzyme widely used in the food industry because it creates cross-links between proteins, enhancing the texture and stability of food products. Its unique properties make it a valuable tool for modifying the functional characteristics of proteins, significantly impacting the quality and innovation of food produ...
Fructobacillus, a Gram-positive, non-spore-forming, facultative anaerobic bacterium, belongs to the fructophilic lactic acid bacteria (FLAB) group. The group’s name originates from fructose, the favored carbon source for its members. Fructobacillus spp. are noteworthy for their distinctive traits, captivating the interest of scientists. However, th...
Three new strains of Phaffia rhodozyma yeast have recently been isolated in Poland. The aim of this study was to phenotypically characterize these strains and to compare them with the properties of the reference strain. The potential for carotenoid biosynthesis in these strains was also determined, depending on temperature, carbon, and nitrogen sou...
Selenium is a trace element with pivotal roles in metabolic processes. Studies suggested that selenium deficiency could lead to impaired lipid profiles. However, inconsistent results have been reported regarding the association between serum selenium concentrations and lipid profile (triglycerides, LDL, HDL, VLDL, and total cholesterol). Thus, we a...
Tea, a culturally significant beverage, originated around 2700 B.C. in ancient Chinese civilization, with a profound understanding of its therapeutic properties. Herbal medicines from diverse plant sources have been esteemed for their phytochemical content. Today, tea's appeal spans the globe, with various processing techniques creating distinct te...
Catfish (Clarias magur) is a popular freshwater fish food worldwide. The processing of this fish generates a significant amount of waste, mainly in the form of viscera, which constitutes around 10–12% of the fish’s total weight. This study was focused on extracting polyunsaturated fatty acid (PUFA)-rich oil from catfish viscera, aiming to enhance t...
In recent years, increasing attention has been paid to research on diseases related to the deposition of misfolded proteins (amyloids) in various organs. Moreover, modern scientists emphasise the importance of selenium as a bioelement necessary for the proper functioning of living organisms. The inorganic form of selenium—sodium selenite (redox-act...
Transglutaminase finds broad applications in the food industry, influencing texture, shelf life and overall food quality. It can be utilized to create products with enhanced sensory and technological properties and serves as a tool to reduce food waste. The aim of this study was to optimize the production of microbial transglutaminase (MTG) by the...
Background and objective
Yeasts have the remarkable capability to transform and integrate inorganic selenium into their cellular structures, thereby enhancing its bioavailability and reducing its toxicity. In recent years, yeasts have attracted attention as potential alternative sources of protein.
Methods
This study explores the selenium accumula...
Objectives
This study aimed to isolate red yeast from sap, bark and slime exudates collected from Polish birch forests and then assessment of their biotechnological potential.
Results
24 strains of red yeast were isolated from the bark, sap and spring slime fluxes of birch (Betula pendula). Strains belonging to Rhodotorula mucilaginosa (6), Rhodos...
This study aimed to examine the potential antioxidant properties of pea peel powder (PPP) in minimizing lipid and protein oxidation, microbial count, and changes in overall quality of buffalo meat patties during refrigerated storage at a temperature of 4 ± 1 ℃. The analysis conducted for PPP revealed favorable phenolic and flavonoid content along w...
Grape pomace is the main by-product of grape processing industries which is a good source of hydrocolloids such as pectin and fibers. The possibility of substitution of pectin with the grape pomace powder (GPP) in a fruit filling was evaluated. In terms of rheological point of view, the more GPP content, the more elastic and viscose modulus, loss t...
Transglutaminases derived from microbial sources are collectively known as microbial transglutaminases (MTGases). MTGases are widely known to modify food proteins, through the formation of both inter-and intramolecular isopeptide bonds, yielding a modified protein structures with altered functional properties in food systems. These modifications ca...
Background
Cardiac surgeries are known to induce an inflammatory response. Besides, dietary factors such as trace elements contribute to promoting cardiovascular health by maintaining oxidative balance. Here we systematically review the literature about alterations in serum concentrations of zinc (Zn), copper (Cu), and selenium (Se) in response to...
Citrus is one of the most widely grown fruits globally, because of its remarkable organoleptic features, nutritional content and bioactive ingredients. Microbial spoilage and other factors such as physiological disorder, mechanical and physical
damage, and fruit senescence are the major factors of postharvest loss to citrus industry. The postharves...
This study aimed to efficiently utilize catfish heads, enhancing the oil extraction process while improving the cost-effectiveness of fish byproduct management. The study employed the wet rendering method, a solvent-free approach, utilizing a two-factor Taguchi orthogonal array design to identify critical parameters for optimizing oil yield and ens...
Rhodotorula yeast is capable of synthesising many valuable metabolites (carotenoids, enzymes). The biomass of these microorganisms is a valuable source of oils and numerous fatty acids. The ability to synthesise carotenoids and to bind various elements and permanently incorporate them into their cell structures makes them useful in many biotechnolo...
Metabolic syndrome (MetS) is a multifactorial disorder characterized by insulin resistance, dyslipidemia, central obesity, and hypertension, leading to an increased risk of cardiovascular diseases and type-2 diabetes. Although conventional drugs have been used to treat MetS and its associated complications, they are often linked with undesirable si...
Edible packaging plays an important role in protecting food products from physical, mechanical, chemical, and microbiological damages by creating a barrier against oxidation, water, and controlling enzymatic activation. The employment of active agents such as plant extracts, essential oils, cross-linkers, and nanomaterials in edible packaging promi...
Anhydrobiosis is a state of living organisms during which their metabolism is reversibly delayed or suspended due to a high degree of dehydration. Yeast cells, which are widely used in the food industry, may be induced into this state. The degree of viability of yeast cells undergoing the drying process also depends on rehydration. In an attempt to...
Honey is the most recognized natural food by-product of flower nectar and the upper aero-digestive tract of the honeybees. Significance of honey for its medicinal importance are well-documented in the world's oldest medical literatures. However, the current urbanization, environmental contaminations and changes in agricultural, as well as apicultur...
Microbial transglutaminases (mTGs) belong to the family of global TGs, isolated and characterised by various bacterial strains, with the first being Streptomyces mobaraensis. This literature review also discusses TGs of animal and plant origin. TGs catalyse the formation of an isopeptide bond, cross-linking the amino and acyl groups. Due to its bro...
Maytansine is a pharmacologically active 19-membered ansamacrolide derived from various medicinal plants and microorganisms. Among the most studied pharmacological activities of maytansine over the past few decades are anticancer and anti-bacterial effects. The anticancer mechanism of action is primarily mediated through interaction with the tubuli...
Selenium is an essential element that determines the proper life functions of human and animal organisms. The content of selenium in food varies depending on the region and soil conditions. Therefore, the main source is a properly selected diet. However, in many countries, there are shortages of this element in the soil and local food. Too low an a...
Due to the growing demand for natural carotenoids, researchers have been searching for strains that are capable of efficient synthesis of these compounds. This study tested 114 red yeast strains collected from various natural environments and food specimens in Poland. The strains were isolated by their ability to produce red or yellow pigments in r...
Rheumatic diseases and disorders (RDDs) are a group of chronic autoimmune diseases that are collectively called "multicausal diseases". They have resulted from predisposing genetic profiles and exposure to a range of environmental , occupational and lifestyle risk factors. Other causative factors include bacterial and viral attacks, sexual habits,...
Nowadays, natural foods that can provide positive health effects are gaining more and more popularity. Bees and the products they produce are our common natural heritage that should be developed. In the article, we presented the characteristics of bee products and their use in industry. We described the development and importance of beekeeping in t...
In the present study, the effects of orange peel essential oils (EOs) on the physiochemical, rheological, particle size and zeta potential distribution of the developed aloe vera gel-based edible coating were investigated. We also investigated the effects of prepared aloe vera gel-based edible coating (with or without incorporation of orange peel e...
Every year, all over the world, the industry generates huge amounts of residues. Side-streams are most often used as feed, landfilled, incinerated, or discharged into sewage. These disposal methods are far from perfect. Taking into account the composition of the side-streams, it seems that they should be used as raw materials for further processing...
The pathophysiology of coronavirus disease-19 (COVID-19) is characterized by worsened inflammation because of weakened immunity, causing the infiltration of immune cells, followed by necrosis. Consequently, these pathophysiological changes may lead to a life-threatening decline in perfusion due to hyperplasia of the lungs, instigating severe pneumo...
The rapid spread of new pathogens (SARS-CoV-2 virus) that negatively affect the human body has huge consequences for the global public health system and the development of the global economy. Appropriate implementation of new safety regulations will improve the functioning of the current model supervising the inhibition of the spread of COVID-19 di...
Natural pigments are widely utilized as food additives nowadays to impart color or improve the taste of the food products. These pigments are significant food compounds used in the food industry due to their diverse nutritional and functional attributes. Color is the essential part of any food as it affects the consumer acceptability of the product...
Many archaeal and bacterial organisms possess an adaptive immunity system known as CRISPR-Cas. Its role is to recognize and degrade foreign DNA showing high similarity to repeats within the CRISPR array. In recent years computational techniques have been used to identify cas1 genes that are not associated with CRISPR systems , named cas1-solo. Ofte...
Chronic inflammation plays an imperative role in the onset and progression of chronic diseases including diabetes , hypertension, cancer, allergies, and asthma. Diet can modulate different stages of inflammation since it is a rich source of antioxidants and bioactive compounds. Flavonoids are bioactive compounds abundantly found in various food gro...
The effect of various concentration of xanthan gum (0.5%, 1%, and 2%) based edible coating supplemented with pomegranate peel extract (0.5 mL) on functional and physico-chemical properties of mango (Mangifera indica L.) fruits were studied during the storage period of 15 days at 22 °C. The application of xanthan gum (XG) based edible formulations w...
Changes are taking place on many fronts, including socio-demographic changes, economic changes, and technological progress. These changes lead to both contributions and inspirations for the work of many scientists around the world. Food science deserves special attention. Newer and newer food ingredients, production methods, and technologies are be...
Abstract: Syzygium cumini, also called Jamun, or black plum, is an excellent source of bioactive components such as flavonoids, polyphenols, antioxidants, iron, and vitamin C. The Jamun tree is a tropical evergreen blooming plant and is an important medicinal plant from the Myrtaceae family that has been used for a long time in Indian and other tra...
Selenium may influence the biosynthesis of individual proteins in the yeast cell cytosol. In this study, we used two-dimensional (2D) electrophoresis to identify proteins that are differentially expressed by the enrichment of selenium in Saccharomyces cerevisiae yeast cells. We chose eight protein fractions for further proteomic analysis. A detaile...
Several studies have indicated that selenium deficiency may be detrimental in the context of various viral disorders, and in the case of COVID-19, several studies have reported heterogeneous results concerning the association of selenium deficiency with the severity of disease. To summarize the available data surrounding the association of body sel...
The secretion efficiency of a heterologous protein in E. coli is mainly dictated by the N-terminal signal peptide fused to the desired protein. In this study, we aimed to select and introduce mutations into the – 1, – 2 and – 3 positions of the gIII signal peptide (originated from filamentous phage fd Gene III) fused to the N-terminus of the human...
In this study, kiwiberry lyophilizate (KBL) was incorporated into pasta at different levels (5%, 10%, and 15% w/w). Kiwiberry fruits’ characteristics (ascorbic acid, carotenoids, phenolic compounds, and antioxidant activity determination) as well as physical (cooking properties, color, microscopic structure determination, texture, and water molecul...
Propionic acid bacteria (PAB) are a source of valuable metabolites, including propionic acid and vitamin B12. Propionic acid, a food preservative, is synthesized from petroleum refining by-products, giving rise to ecological concerns. Due to changing food trends, the demand for vitamin B12 has been expected to increase in the future. Therefore, it...
Metabolic syndrome (MS), commonly known as syndrome X or insulin resistance syndrome, is a collection of risk factors for cardiovascular diseases and type II diabetes. MS is believed to impact over a billion individuals worldwide. It is a medical condition defined by visceral obesity, insulin resistance, high blood pressure, and abnormal cholestero...
The food industry is growing vastly, with an increasing number of food products and
the demand of consumers to have safe and pathogen-free food with an extended shelf life for consumption. It is critical to have food safe from pathogenic bacteria, fungi, and unpleasant odors or tastes so that the food may not cause any health risks to consumers. Cu...
Fat is of the most important ingredients in bakery products which contributes in providing textural properties of the baking products, particularly biscuits. Three entirely different olein (canola oil), palmitic (PBF) and lauric (PKBF) based fats were applied to the hard dough biscuits (HDBs) and their structural characteristics were evaluated. Res...
The cullin-RING E3 ligases (CRLs) are the biggest components of the E3 ubiquitin ligase protein family, and they represent an essential role in various diseases that occur because of abnormal activation, particularly in tumors development. Regulation of CRLs needs neddylation, a post-translational modification involving an enzymatic cascade that tr...
Selenium (Se) is an important microelement with numerous positive effects on human health and diseases. It is important to specify that the status and consumption of Se are for a specific community as the levels of Se are extremely unpredictable between different populations and regions. Our existing paper was based on the impacts of Se on human he...
In recent years, the awareness and willingness of consumers to consume healthy food has grown significantly. In order to meet these needs, scientists are looking for innovative methods of food production, which is a source of easily digestible protein with a balanced amino acid composition. Yeast protein biomass (single cell protein, SPC) is a bioa...
The results of studies published in recent years indicate the broad biological activity of potato juice (PJ), which is a by-product of the starch production process. Among the most frequently described activities are anti-inflammatory, antioxidant, and cytotoxic effects. Nevertheless, this waste juice is produced by the processing of many varieties...
In recent years, there has been an increase in the search for novel raw materials for the
production of natural carotenoids. Among yeasts, Rhodotorula species have the ability to synthesize carotenoids, mainly β-carotene, torulene, and torularhodin, depending on the culture conditions. This study aimed to determine the effect of selected cations (b...
Vegetable oils (VOs), being our major dietary fat source, play a vital role in nourishment.
Different VOs have highly contrasting fatty acid (FA) profiles and hence possess varying levels of health protectiveness. Consumption of a single VO cannot meet the recommended allowances of various FA either from saturated FA (SFA), monounsaturated FA (MUFA...
Herbal plants have been utilized to treat and cure various health-related problems since ancient times. The use of Ayurvedic medicine is very significant because of its least reported side effects and host of advantages. Withania coagulans (Family; Solanaceae), a valuable medicinal plant, has been used to cure abnormal cell growth, wasting disorder...
Ultrasound-assisted extraction (UAE) was used to extract carotenoids from the carrot pomace. To investigate the effect of independent variables on the UAE, the response surface methodology (RSM) with central-composite design (CCD) was employed. The study was conducted with three independent variables including extraction time (min), temperature (•...
The cytolethal distending toxin (CDT), Haemophilus ducreyi, is one of the bacterial toxins that have recently been considered for targeted therapies, especially in cancer therapies. CDT is an A-B2 exotoxin. Its catalytic subunit (CdtB) is capable of inducing DNA double strand breaks, cell cycle arrest and apoptosis in host eukaryotic cells. The seq...
Hepatocellular carcinoma (HCC) is one of the high-metastatic types of cancer, and metastasis occurs in one-third of patients with HCC. To maintain the effectiveness of drug compounds on cancer cells and minimize their side effects on normal cells, it is important to use new approaches for overcoming malignancies. Immunotoxins (ITs), an example of s...