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Matusiewicz M, Wróbel-Kwiatkowska M, Niemiec T, Świderek W, Kosieradzka I, Rosińska A, Niwińska A, Rakicka-Pustułka M, Kocki T, Rymowicz W, Turski WA. Effect of Yarrowia lipolytica yeast biomass with increased kynurenic acid content on selected metabolic indicators in mice. PeerJ 2023; 11:e15833. [PMID: 37780388 PMCID: PMC10540775 DOI: 10.7717/peerj.15833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 07/11/2023] [Indexed: 10/03/2023] Open
Abstract
Background The unconventional yeast species Yarrowia lipolytica is a valuable source of protein and many other nutrients. It can be used to produce hydrolytic enzymes and metabolites, including kynurenic acid (KYNA), an endogenous metabolite of tryptophan with a multidirectional effect on the body. The administration of Y. lipolytica with an increased content of KYNA in the diet may have a beneficial effect on metabolism, which was evaluated in a nutritional experiment on mice. Methods In the dry biomass of Y. lipolytica S12 enriched in KYNA (high-KYNA yeast) and low-KYNA (control) yeast, the content of KYNA was determined by high-performance liquid chromatography. Then, proximate and amino acid composition and selected indicators of antioxidant status were compared. The effect of 5% high-KYNA yeast content in the diet on the growth, hematological and biochemical indices of blood and the redox status of the liver was determined in a 7-week experiment on adult male mice from an outbred colony derived from A/St, BALB/c, BN/a and C57BL/6J inbred strains. Results High-KYNA yeast was characterized by a greater concentration of KYNA than low-KYNA yeast (0.80 ± 0.08 vs. 0.29 ± 0.01 g/kg dry matter), lower content of crude protein with a less favorable amino acid composition and minerals, higher level of crude fiber and fat and lower ferric-reducing antioxidant power, concentration of phenols and glutathione. Consumption of the high-KYNA yeast diet did not affect the cumulative body weight gain per cage, cumulative food intake per cage and protein efficiency ratio compared to the control diet. A trend towards lower mean corpuscular volume and hematocrit, higher mean corpuscular hemoglobin concentration and lower serum total protein and globulins was observed, increased serum total cholesterol and urea were noted. Its ingestion resulted in a trend towards greater ferric-reducing antioxidant power in the liver and did not affect the degree of liver lipid and protein oxidation. Conclusions The improvement of the quality of Y. lipolytica yeast biomass with increased content of KYNA, including its antioxidant potential, would be affected by the preserved level of protein and unchanged amino acid profile. It will be worth investigating the effect of such optimized yeast on model animals, including animals with metabolic diseases.
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Affiliation(s)
- Magdalena Matusiewicz
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, Poland
| | - Magdalena Wróbel-Kwiatkowska
- Department of Biotechnology and Food Microbiology, Wrocław University of Environmental and Life Sciences, Wrocław, Poland
| | - Tomasz Niemiec
- Department of Animal Nutrition, Institute of Animal Sciences, Warsaw University of Life Sciences, Warsaw, Poland
| | - Wiesław Świderek
- Department of Animal Genetics and Conservation, Institute of Animal Sciences, Warsaw University of Life Sciences, Warsaw, Poland
| | - Iwona Kosieradzka
- Department of Animal Nutrition, Institute of Animal Sciences, Warsaw University of Life Sciences, Warsaw, Poland
| | - Aleksandra Rosińska
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, Poland
| | - Anna Niwińska
- Department of Large Animal Diseases and Clinic, Institute of Veterinary Medicine, Warsaw University of Life Sciences, Warsaw, Poland
| | - Magdalena Rakicka-Pustułka
- Department of Biotechnology and Food Microbiology, Wrocław University of Environmental and Life Sciences, Wrocław, Poland
| | - Tomasz Kocki
- Department of Experimental and Clinical Pharmacology, Medical University of Lublin, Lublin, Poland
| | - Waldemar Rymowicz
- Department of Biotechnology and Food Microbiology, Wrocław University of Environmental and Life Sciences, Wrocław, Poland
| | - Waldemar A. Turski
- Department of Experimental and Clinical Pharmacology, Medical University of Lublin, Lublin, Poland
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Yarrowia lipolytica as an Alternative and Valuable Source of Nutritional and Bioactive Compounds for Humans. Molecules 2022; 27:molecules27072300. [PMID: 35408699 PMCID: PMC9000428 DOI: 10.3390/molecules27072300] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/24/2022] [Accepted: 03/28/2022] [Indexed: 12/04/2022] Open
Abstract
Yarrowia lipolytica, an oleagineous species of yeast, is a carrier of various important nutrients. The biomass of this yeast is an extensive source of protein, exogenous amino acids, bioavailable essenctial trace minerals, and lipid compounds as mainly unsaturated fatty acids. The biomass also contains B vitamins, including vitamin B12, and many other bioactive components. Therefore, Y. lipolytica biomass can be used in food supplements for humans as safe and nutritional additives for maintaining the homeostasis of the organism, including for vegans and vegetarians, athletes, people after recovery, and people at risk of B vitamin deficiencies.
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Jach ME, Serefko A, Ziaja M, Kieliszek M. Yeast Protein as an Easily Accessible Food Source. Metabolites 2022; 12:63. [PMID: 35050185 PMCID: PMC8780597 DOI: 10.3390/metabo12010063] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/07/2022] [Accepted: 01/09/2022] [Indexed: 02/07/2023] Open
Abstract
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, SCP) is a bioavailable product which is obtained when primarily using as a culture medium inexpensive various waste substrates including agricultural and industrial wastes. With the growing population, yeast protein seems to be an attractive alternative to traditional protein sources such as plants and meat. Moreover, yeast protein biomass also contains trace minerals and vitamins including B-group. Thus, using yeast in the production of protein provides both valuable nutrients and enhances purification of wastes. In conclusion, nutritional yeast protein biomass may be the best option for human and animal nutrition with a low environmental footprint. The rapidly evolving SCP production technology and discoveries from the world of biotechnology can make a huge difference in the future for the key improvement of hunger problems and the possibility of improving world food security. On the market of growing demand for cheap and environmentally clean SCP protein with practically unlimited scale of production, it may soon become one of the ingredients of our food. The review article presents the possibilities of protein production by yeast groups with the use of various substrates as well as the safety of yeast protein used as food.
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Affiliation(s)
- Monika Elżbieta Jach
- Department of Molecular Biology, The John Paul II Catholic University of Lublin, Konstantynów Street 1I, 20-708 Lublin, Poland
| | - Anna Serefko
- Department of Applied Pharmacy, Medical University of Lublin, Chodźki Street 4a, 20-093 Lublin, Poland;
| | - Maria Ziaja
- Institute of Physical Culture Studies, Medical College, University of Rzeszów, Cicha Street 2a, 35-326 Rzeszów, Poland;
| | - Marek Kieliszek
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences-SGGW, Nowoursynowska Street 159C, 02-776 Warsaw, Poland
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Guardiola FA, Esteban MÁ, Angulo C. Yarrowia lipolytica, health benefits for animals. Appl Microbiol Biotechnol 2021; 105:7577-7592. [PMID: 34536101 DOI: 10.1007/s00253-021-11584-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 09/03/2021] [Accepted: 09/08/2021] [Indexed: 12/17/2022]
Abstract
The yeast Yarrowia lipolytica has been industrially adopted for docosahexaenoic acid and eicosapentaenoic acid production under good manufacturing practices over 2 decades. In recent years, it has claimed attention for novel biotechnological applications, such as a functional feed additive for animals. Studies have demonstrated that this yeast is safe and has probiotic and nutritional properties for mammals, birds, fish, crustaceans, and molluscs. Animals fed Y. lipolytica enhanced productive and immune parameters, as well as modulated microbiome, fatty acid composition, and biochemical profiles. Additionally, some Y. lipolytica-derived compounds have improved productive performance, immune status, and disease resistance in animals. Therefore, the aim of this review is to identify and discuss research advances on the potential use of this yeast for animals of economic interest. Challenges, opportunities, and trends were identified and envisioned in the near future for this industrially produced yeast. KEY POINTS: • Yarrowia lipolytica has probiotic and nutritional effects in animals. • Lipase2, EPA, and β-glucan from Y. lipolytica have health benefits for animals. • Y. lipolytica is envisioned in terrestrial and aquatic animal production systems.
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Affiliation(s)
- Francisco A Guardiola
- Immunobiology for Aquaculture Group, Department of Cell Biology and Histology, Faculty of Biology, Universidad de Murcia, Campus of International Excellence, Campus Mare Nostrum, 30100, Murcia, Spain.,Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Terminal de Cruzeiros Do Porto de Leixões, Av. General Norton de Matos s/n, 4450-208, Porto, Portugal
| | - María Ángeles Esteban
- Immunobiology for Aquaculture Group, Department of Cell Biology and Histology, Faculty of Biology, Universidad de Murcia, Campus of International Excellence, Campus Mare Nostrum, 30100, Murcia, Spain
| | - Carlos Angulo
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste, SC., Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S. C.P., 23096, México.
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Reyes-Becerril M, Alamillo E, Angulo C. Probiotic and Immunomodulatory Activity of Marine Yeast Yarrowia lipolytica Strains and Response Against Vibrio parahaemolyticus in Fish. Probiotics Antimicrob Proteins 2021; 13:1292-1305. [PMID: 33713310 DOI: 10.1007/s12602-021-09769-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/03/2021] [Indexed: 11/29/2022]
Abstract
Yarrowia lipolytica has been widely used in food industry but scarcely explored as probiotics. Thus, the aims of this study were to characterize in vitro the probiotic potential, antioxidant capacity, and antimicrobial activity of the marine yeast Y. lipolytica D-1 and N-6 strains. Dietary administration effect was evaluated in vivo on immunological parameters in serum, skin-mucus, intestine, and fish leukocytes upon challenge with Vibrio parahaemolyticus. The results showed that Y. lipolytica D-1 and N-6 strains grew with NaCl or bile salts but were sensitive to low pH. Each of the Y. lipolytica strains had a distinctive antioxidant capacity and fatty acid profile, but their antimicrobial activity was similar against fish bacterial pathogens. Fish (Lutjanus peru) supplemented with Y. lipolytica strains showed normal intestinal morphology, high IgM levels, and antioxidant enzyme activities. Immune-related genes were modulated in fish fed Y. lipolytica in a strain-dependent fashion. In addition, leucocytes from fish fed Y. lipolytica challenged with V. parahaemolyticus increased innate immune and antioxidant parameters compared with the control groups. In conclusion, the marine yeast Y. lipolytica D-1 and N-6 strains may be potential probiotics for fish by exerting free-radical scavenging, antimicrobial activity, and improved immune-protective responses against V. parahaemolyticus infection.
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Affiliation(s)
- Martha Reyes-Becerril
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Av. Instituto Politécnico Nacional 195, Playa Palo de Santa Rita, B.C.S., 23096, La Paz, Mexico
| | - Erika Alamillo
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Av. Instituto Politécnico Nacional 195, Playa Palo de Santa Rita, B.C.S., 23096, La Paz, Mexico
| | - Carlos Angulo
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Av. Instituto Politécnico Nacional 195, Playa Palo de Santa Rita, B.C.S., 23096, La Paz, Mexico.
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Effect of the Use of Yarrowia lipolytica or Saccharomyces cerevisiae Yeast with a Probiotic in the Diet of Turkey Hens on Growth Performance and Gut Histology. ANNALS OF ANIMAL SCIENCE 2020. [DOI: 10.2478/aoas-2020-0017] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
The aim of the study was to determine whether the alternative yeast species Yarrowia lipolytica in turkey feed would have a more beneficial effect on growth performance and intestinal histology than the commonly used species Saccharomyces cerevisiae. An additional objective of the study was to test whether the addition of a probiotic to feed containing Yarrowia lipolytica or Saccharomyces cerevisiae yeast would enhance its effect on growth performance and intestinal histology in turkeys. The experiment was carried out on 480 turkey hens randomly divided into six groups. Birds from the control group (C) and group P were fed standard feeds but group P additionally received a probiotic (0.05%). Groups Y and YP received feed containing Yarrowia lipolytica fodder yeast (3%), and the YP group received also the probiotic (0.05%). Similarly, in groups S and SP, the turkeys received feed with Saccharomyces cerevisiae fodder yeast (3%), and for the SP group the probiotic was added to the feed (0.05%). Yarrowia lipolytica yeast added in the amount of 3% to the turkey feed may be an alternative to the commonly used Saccharomyces cerevisiae yeast, because it improved growth performance, and above all, had a more beneficial effect on intestinal histology. The use of Yarrowia lipolytica alone can be beneficial for growth performance, while the combined use of 3% Yarrowia lipolytica in the feed and a 0.05% addition of a probiotic containing Bacillus licheniformis and Bacillus subtilis has a more beneficial effect on gastrointestinal histology.
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Czech A, Merska-Kazanowska M, Całyniuk Z. Redox Status, Biochemical Parameters and Mineral Elements Content in Blood of Turkey Hens Fed a Diet Supplemented with Yarrowia lipolytica Yeast and Two Bacillus Species. Animals (Basel) 2020; 10:ani10030459. [PMID: 32164315 PMCID: PMC7143441 DOI: 10.3390/ani10030459] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 03/03/2020] [Accepted: 03/05/2020] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Interest in Yarrowia lipolytica (YL) arises from the fact that it grows on the crude glycerol fraction derived from the production of diesel oil, so that it constitutes a link between biofuel by-products and animal feed. Studies have already been conducted on the use of Yarrowia lipolytica as a factor affecting the gut microbiota and fattening efficiency of turkeys, and the results have been promising. However, it has not been clarified whether Yarrowia lipolytica yeast can improve the availability of minerals as well as metabolic processes associated with redox reactions like Saccharomyces cerevisiae (SC). The research shows that, Yarrowia lipolytica yeast stimulates more effectively antioxidant processes than Saccharomyces cerevisiae, and also improves the absorption of minerals. Therefore, it may be a more effective additive than the widely used Saccharomyces cerevisiae yeast in turkey feed. In addition, the experiment confirmed that the antioxidant effect of fodder yeast (especially Yarrowia lipolytica) can be enhanced by combining it with a probiotic bacteria. Hence, the combined use of yeast with a Bacillus species can be recommended in cases of the stimulation of oxidative reactions (e.g., stress or infection). Abstract The probiotic-prebiotic properties and chemical composition of Yarrowia lipolytica yeast (YL), predisposes it for use as a turkey feed additive. The aim of the study was to determine whether YL in the diet of turkeys would exert more beneficial effect by stimulating antioxidant reactions and increasing mineral availability than Saccharomyces cerevisiae (SC). An additional aim of the study was to test whether the addition of a probiotic bacteria to feed containing Yarrowia lipolytica or Saccharomyces cerevisiae yeast would enhance their effect. The study was conducted on turkeys from seven to 112 days of age to determine the effects of a 3% addition of YL to the diet, as an alternative to the standard SC. It was analysed whether the use of a probiotic (Bacillus licheniformis, Bacillus subtilis) together with yeast would be more effective. Both the yeast (YL or SC) and the probiotic stimulated antioxidant mechanisms (increased CAT; reduced MDA), but the addition of SC was less effective. The inclusion of YL in the feed increased the plasma content of Ca, Mg, Cu, Zn and Fe in the blood turkeys and lowered the content of cholesterol and triacylglycerols. The combined use of yeast (YL or SC) with a probiotic enhances the antioxidant effect while inhibiting of lipid peroxidation. The combined use of yeast with a probiotic can be recommended in cases of stimulation of oxidative reactions (e.g., stress or infection)
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Sustainable Animal Feed Protein through the Cultivation of YARROWIA Lipolytica on Agro-Industrial Wastes and by-Products. SUSTAINABILITY 2020. [DOI: 10.3390/su12041398] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Proteins are essential constituents of animal feeds, which comprise mainly vegetable protein (e.g., soybean meal), which is produced and transported globally. The decoupling of protein-production and livestock-growth areas results in protein deficiencies in certain parts of the world, and in significant environmental stress. Alternative, more sustainable protein feeds are necessary to meet the increasing needs, and to decrease the environmental footprint of animal products. Yeast Single Cell Proteins (SCP), produced locally using various agro-industrial by-product streams, have significant potential as alternative animal feed protein. Particularly, Yarrowia lipolytica, an oleaginous, non-pathogenic microorganism has been characterized as a “workhorse” in biotechnological studies, drawing the attention of many researchers. The present review summarizes available resources on critical issues concerning the applicability and commercialization of Yarrowia lipolytica as an environment-friendly protein source for animal feed. It discusses the sustainability of the yeast SCP production process, it presents the recent advances concerning Yarrowia lipolytica cultivation on low-cost agro-industrial by-products, and it stresses the effects on the health and welfare of productive animals due to the inclusion of Yarrowia lipolytica in their diet. The data presented in this study should facilitate relative research advancement and the commercialization of Yarrowia lipolytica’s use as an alternative protein source/supplement for animal feeds.
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Liu L, Zeng D, Yang M, Wen B, Lai J, Zhou Y, Sun H, Xiong L, Wang J, Lin Y, Pan K, Jing B, Wang P, Ni X. Probiotic Clostridium butyricum Improves the Growth Performance, Immune Function, and Gut Microbiota of Weaning Rex Rabbits. Probiotics Antimicrob Proteins 2018; 11:1278-1292. [DOI: 10.1007/s12602-018-9476-x] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Czech A, Smolczyk A, Grela ER, Kiesz M. Effect of dietary supplementation with Yarrowia lipolytica or Saccharomyces cerevisiae yeast and probiotic additives on growth performance, basic nutrients digestibility and biochemical blood profile in piglets. J Anim Physiol Anim Nutr (Berl) 2018; 102:1720-1730. [PMID: 30225850 DOI: 10.1111/jpn.12987] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Revised: 08/06/2018] [Accepted: 08/10/2018] [Indexed: 11/29/2022]
Abstract
The objective of the study was to compare the efficiency of dietary supplementation of two species of yeast, Yarrowia lipolytica (YL) and Saccharomyces cerevisiae (SC), with or without the addition of a probiotic, on growth performance, basic nutrients digestibility and blood profile in piglets. The experiment was conducted on 360 weaned piglets (180 barrows and 180 gilts). Each treatment comprised 60 piglets. The piglets (27-day-old) were assigned to the following dietary treatments: (a) basal control (C) diet, (b) C diet + probiotic (Bacillus licheniformis and Bacillus subtilis-2 × 109 CFU/kg of feed), (c) C diet + 3% Y. lipolytica (YL-2 × 1010 CFU/g), (d) C diet + 3%YL + probiotic, (e) C diet + 3% S. cerevisiae (SC-3 × 1010 CFU/g) and (f) C diet + 3% SC + probiotic. Blood for analysis was collected from a total of 36 piglets at the end of the experiment, that is, 56 days after weaning. During the entire experiment, significantly greater weight gain was observed in the piglets receiving YL. The addition of the probiotic supplement and SC yeast reduced the daily feed intake during day 16-56 and from day 0 to 56 of the experiment. A better feed conversion ratio (FCR) during day 0-56 of the experiment was noted after addition of the probiotic and yeast. The use of YL yeast in diets for piglets had a more beneficial effect on weight gain and FCR than SC. Moreover, the addition of YL modulates lipid metabolism in piglets, as indicated by the reduced levels of TCH, LDL and TG and increased level of HDL in the plasma. The combined use of either YL or SC with a probiotic is not recommended in piglet rearing, as it does not substantially improve growth performance and health in comparison with yeast alone.
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Affiliation(s)
- Anna Czech
- Department of Biochemistry and Toxicology, Faculty of Biology, Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, Lublin, Poland
| | | | - Eugeniusz R Grela
- Institute of Animal Nutrition and Bromatology, Faculty of Biology, Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, Lublin, Poland
| | - Martyna Kiesz
- Department of Biochemistry and Toxicology, Faculty of Biology, Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, Lublin, Poland
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Stefańska B, Komisarek J, Stanisławski D, Gąsiorek M, Kasprowicz-Potocka M, Frankiewicz A, Nowak W. The effect of Yarrowia lipolytica culture on growth performance, ruminal fermentation and blood parameters of dairy calves. Anim Feed Sci Technol 2018. [DOI: 10.1016/j.anifeedsci.2018.06.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Bartz BM, McIntyre DR, Grimes JL. Effects of Management Related Practices on Turkey Hen Performance Supplemented With Either Original XPC™ or AviCare™. Front Vet Sci 2018; 5:185. [PMID: 30151367 PMCID: PMC6099182 DOI: 10.3389/fvets.2018.00185] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 07/20/2018] [Indexed: 12/03/2022] Open
Abstract
During commercial production, turkeys may be exposed to several different types of stressors related to environmental conditions and management practices. Historically, antibiotics have been used to aid in the alleviation of the impacts of stressful situations, and alternatives to antibiotics related to reducing stress are being researched. This study consisted of three rearing trials and had two objectives: (1) Investigate the effects of common U.S. turkey production practices, including environmental and management induced stress, on turkey hens grown to 63 days, and (2) Determine the response of stressed birds to dietary supplementation with fermentation derived functional metabolites. Treatments consisted of a positive control (stressed but not supplemented), a negative control (non-stressed and not supplemented) and two treatment groups that were stressed and supplemented with different products (Original XPC™ or AviCare™). Supplemental products were administered in a dry (feed) and liquid (drinking water) form, and consisted of fermentation derived functional metabolites. Products were evaluated on their effectiveness to mitigate stress responses and turkey performance. Birds were exposed to some combinations of the following stressors: feed and water withdrawal, cold, heat, and crowding. Although the stressors in this study were applied for less than 24 h, they produced significant physiological responses. Blood corticosterone levels, measured immediately after stress, were significantly higher in positive control birds than in negative control birds. In addition, stressed birds had reduced body weights and increased FCR after stress. Stressed birds, supplemented with products had mixed, but generally positive response as measured by bird performance. Based on the response to stress, as observed by alterations in blood corticosterone levels and differences in performance between the two control groups, researchers induced an effective stress model. The use of supplementary products consisting of fermentation derived functional metabolites shows promise for reducing negative impacts of a mixture of stressors.
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Affiliation(s)
- Brooke M. Bartz
- Prestage Department of Poultry Science, North Carolina State University, Raleigh, NC, United States
| | - Don R. McIntyre
- Research & Tech Service, Diamond V, Cedar Rapids, IA, United States
| | - Jesse L. Grimes
- Prestage Department of Poultry Science, North Carolina State University, Raleigh, NC, United States
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Effect of dietary supplementation with Yarrowia lipolytica or Saccharomyces cerevisiae yeast and probiotic additives on haematological parameters and the gut microbiota in piglets. Res Vet Sci 2018; 119:221-227. [PMID: 30005396 DOI: 10.1016/j.rvsc.2018.06.007] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2017] [Revised: 04/27/2018] [Accepted: 06/10/2018] [Indexed: 11/23/2022]
Abstract
The objective of the study was to compare the efficiency of two species of yeast, Yarrowia lipolytica (YL) and Saccharomyces cerevisiae (SC), with or without a probiotic supplement, added to feed for piglets, on the basis of haematological blood indices and the gut microbiota. A total of 360 piglets (the average 27-d-old) were allotted to dietary treatments: 1) the basal control(C) diet, 2) the C diet + probiotic(P) (a mixture of Bacillus licheniformis and Bacillus subtilis), 3) the C diet +3%YL(Y), 4) the C diet +3%YL + probiotic(YP), 5) the C diet +3%SC(S) and 6) the C diet +3%SC + probiotic(SP). The study showed that YL yeast can be used in compound feeds for piglets interchangeably with SC yeast. The effect of YL on haematological blood parameters and the microbes colonizing the gut proved to be more beneficial than the effect of SC yeast. The combined application of YL or SC with a probiotic had a more favourable effect on the gut microbiota than the use of yeast alone. It should be noted, however, that supplementation of the compound feed with YL in combination with a probiotic reduced the multiplication of coliform bacteria and Escherichia coli in the intestinal contents, while the feed containing SC together with a probiotic did not. The dietary study confirmed that YL in combination with a probiotic is highly suitable for feeding piglets.
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Alamillo E, Reyes-Becerril M, Cuesta A, Angulo C. Marine yeast Yarrowia lipolytica improves the immune responses in Pacific red snapper (Lutjanus peru) leukocytes. FISH & SHELLFISH IMMUNOLOGY 2017; 70:48-56. [PMID: 28863888 DOI: 10.1016/j.fsi.2017.08.036] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 08/19/2017] [Accepted: 08/27/2017] [Indexed: 06/07/2023]
Abstract
The climatic conditions in saltern saline environments allows the growth of microorganisms adapted to these peculiar ambient and could represent a promising source of new bioactive compounds that could have applications on as animal food supplements, including aquaculture. In this study, we evaluated the role of Yarrowia lipolytica N-6 isolate, from a hypersaline natural environment (Guerrero Negro, Baja California Sur, Mexico), as immunostimulant of the non-specific immune response of head-kidney and spleen Pacific red snapper (Lutjanus peru) leukocytes after challenge with Vibrio parahaemolyticus. In this study, the presence of Y. lipolytica reduced considerably the V. parahaemolyticus load in spleen leukocytes. In vitro assays using head-kidney and spleen leukocytes showed that the response to V. parahaemolyticus infection reveled that leukocyte pre-incubated with Y. lipolytica N-6 significantly increased the non-specific immune response such as respiratory burst, phagocytic activity, NO and MPO activities follow by an increase in SOD and CAT activities, and at the same time inhibited leukocyte apoptosis caused by V. parahaemolyticus. Moreover, Y. lipolytica N-6 incubation also regulated the transcription of genes related to immunity (IL-1β) or oxidative stress (MnSOD, icCu/ZnSOD or CAT) in leukocytes. These results strongly support the idea that the extreme yeast Y. lipolytica N-6 isolate can stimulate the non-specific immune parameters and the antioxidant immune mechanism in head-kidney and spleen Pacific red snapper leukocytes and could be used as potential immunostimulant.
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Affiliation(s)
- Erika Alamillo
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Instituto Politécnico Nacional 195, Playa Palo de Santa Rita, La Paz, BCS 23096, Mexico
| | - Martha Reyes-Becerril
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Instituto Politécnico Nacional 195, Playa Palo de Santa Rita, La Paz, BCS 23096, Mexico
| | - Alberto Cuesta
- Fish Innate Immune System Group, Department of Cell Biology & Histology, Faculty of Biology, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, Spain
| | - Carlos Angulo
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Instituto Politécnico Nacional 195, Playa Palo de Santa Rita, La Paz, BCS 23096, Mexico.
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