scholarly journals Expanding Avenues for Probiotic Yeast

2018 ◽  
pp. 125-147 ◽  
Author(s):  
Santosh Anand
Keyword(s):  
Probiotic Yeast

Kluyveromyces marxianus as a Probiotic Yeast: A Mini-review

2020 ◽  
Vol 16 (8) ◽  
pp. 1163-1169
Author(s):  
Aziz Homayouni-Rad ◽  
Aslan Azizi ◽  
Parvin Oroojzadeh ◽  
Hadi Pourjafar
Keyword(s):  
Kluyveromyces Marxianus ◽  
Yeast Species ◽  
Human Life ◽  
Saccharomyces Boulardii ◽  
Biotechnological Products ◽  
Probiotic Yeast ◽  
Ancient Times ◽  
Main Components ◽  
Micro Organisms ◽  
Harmful Effects

Background: Yeasts play diverse roles in human life. Since ancient times, these micro organisms have been used to produce food products and beverages including bread and beer. Nowadays, the biotechnological products of yeast are some of the main components of commercial products. Objective: Some species of yeast such as Saccharomyces cerevisiae and Saccharomyces boulardii are recognized as probiotic yeast with extensive applications in the food and drug industries. However, certain species like Kluyveromyces marxianus are still not recognized as probiotic micro organisms despite their widespread industrial usage. In this study, the application of K. marxianus in preparing food and the medicinal product was reviewed in terms of its beneficial or harmful effects. Methods: Pub Med, Google Scholar, Scopus, and Science Direct databases were searched by using “Probiotics”, “Yeast”, and “Kluyveromyces marxianus”. Results: The findings suggest that K. marxianus can be recognized as a probiotic yeast species. Conclusion: It can be concluded that K. marxianus may be considered as a probiotic micro organism with a variety of commercial and medical applications.

scholarly journals In Vitro Bile Salt Hydrolase (BSH) Activity Screening of Different Probiotic Microorganisms

Foods ◽  
2021 ◽  
Vol 10 (3) ◽  
pp. 674
Author(s):  
Jimmy G. Hernández-Gómez ◽  
Argelia López-Bonilla ◽  
Gabriela Trejo-Tapia ◽  
Sandra V. Ávila-Reyes ◽  
Antonio R. Jiménez-Aparicio ◽  
...  
Keyword(s):  
Bile Salt ◽  
High Performance ◽  
Probiotic Strain ◽  
Saccharomyces Boulardii ◽  
Bile Salt Hydrolase ◽  
Sodium Glycocholate ◽  
Probiotic Yeast ◽  
Probiotic Strains ◽  
Bsh Activity

Bile salt hydrolase (BSH) activity in probiotic strains is usually correlated with the ability to lower serum cholesterol levels in hypercholesterolemic patients. The objective of this study was the evaluation of BSH in five probiotic strains of lactic acid bacteria (LAB) and a probiotic yeast. The activity was assessed using a qualitative direct plate test and a quantitative high-performance thin- layer chromatography assay. The six strains differed in their BSH substrate preference and activity. Lactobacillus plantarum DGIA1, a potentially probiotic strain isolated from a double cream cheese from Chiapas, Mexico, showed excellent deconjugation activities in the four tested bile acids (69, 100, 81, and 92% for sodium glycocholate, glycodeoxycholate, taurocholate, and taurodeoxycholate, respectively). In the case of the commercial probiotic yeast Saccharomyces boulardii, the deconjugation activities were good against sodium glycodeoxycholate, taurocholate, and taurodeoxycholate (100, 57, and 63%, respectively). These last two results are part of the novelty of the work. A weak deconjugative activity (5%) was observed in the case of sodium glycocholate. This is the first time that the BSH activity has been detected in this yeast.

scholarly journals Cross-kingdom inhibition of bacterial virulence and communication by probiotic yeast metabolites

Microbiome ◽  
2021 ◽  
Vol 9 (1) ◽  
Author(s):  
Orit Malka ◽  
Dorin Kalson ◽  
Karin Yaniv ◽  
Reut Shafir ◽  
Manikandan Rajendran ◽  
...  
Keyword(s):  
Quorum Sensing ◽  
Gut Microbiome ◽  
Bacterial Infections ◽  
Pathogenic Bacteria ◽  
Molecular Mechanisms ◽  
Human Microbiome ◽  
Cell Communication ◽  
Probiotic Yeast ◽  
Gut Pathogen ◽  
Cell Cell

Abstract Background Probiotic milk-fermented microorganism mixtures (e.g., yogurt, kefir) are perceived as contributing to human health, and possibly capable of protecting against bacterial infections. Co-existence of probiotic microorganisms are likely maintained via complex biomolecular mechanisms, secreted metabolites mediating cell-cell communication, and other yet-unknown biochemical pathways. In particular, deciphering molecular mechanisms by which probiotic microorganisms inhibit proliferation of pathogenic bacteria would be highly important for understanding both the potential benefits of probiotic foods as well as maintenance of healthy gut microbiome. Results The microbiome of a unique milk-fermented microorganism mixture was determined, revealing a predominance of the fungus Kluyveromyces marxianus. We further identified a new fungus-secreted metabolite—tryptophol acetate—which inhibits bacterial communication and virulence. We discovered that tryptophol acetate blocks quorum sensing (QS) of several Gram-negative bacteria, particularly Vibrio cholerae, a prominent gut pathogen. Notably, this is the first report of tryptophol acetate production by a yeast and role of the molecule as a signaling agent. Furthermore, mechanisms underscoring the anti-QS and anti-virulence activities of tryptophol acetate were elucidated, specifically down- or upregulation of distinct genes associated with V. cholerae QS and virulence pathways. Conclusions This study illuminates a yet-unrecognized mechanism for cross-kingdom inhibition of pathogenic bacteria cell-cell communication in a probiotic microorganism mixture. A newly identified fungus-secreted molecule—tryptophol acetate—was shown to disrupt quorum sensing pathways of the human gut pathogen V. cholerae. Cross-kingdom interference in quorum sensing may play important roles in enabling microorganism co-existence in multi-population environments, such as probiotic foods and the gut microbiome. This discovery may account for anti-virulence properties of the human microbiome and could aid elucidating health benefits of probiotic products against bacterially associated diseases.

scholarly journals In Vitro Probitotic Evaluation of Saccharomyces boulardii with Antimicrobial Spectrum in a Caenorhabditis elegans Model

Foods ◽  
2021 ◽  
Vol 10 (6) ◽  
pp. 1428
Author(s):  
Ramachandran Chelliah ◽  
Eun-Ji Kim ◽  
Eric Banan-Mwine Daliri ◽  
Usha Antony ◽  
Deog-Hwan Oh
Keyword(s):  
Pancreatic Enzyme ◽  
Saccharomyces Boulardii ◽  
Antimicrobial Spectrum ◽  
Antimicrobial Efficiency ◽  
Heat Stable ◽  
Yeast Strains ◽  
Probiotic Yeast ◽  
Probiotic Strains

In the present study, we screened for potential probiotic yeast that could survive under extreme frozen conditions. The antimicrobial and heat-stable properties of the isolated yeast strains Saccharomyces boulardii (S. boulardii) (KT000032, KT000033, KT000034, KT000035, KT000036, and KT000037) was analyzed and compared with commercial probiotic strains. The results revealed that the tested S. boulardii KT000032 strain showed higher resistance to gastric enzymes (bile salts, pepsin, and pancreatic enzyme) at low pH, with broad antibiotic resistance. In addition, the strain also showed efficient auto-aggregation and co-aggregation abilities and efficient hydrophobicity in the in-vitro and in-vivo C. elegens gut model. Further, the KT000032 strain showed higher antimicrobial efficiency against 13 different enteropathogens and exhibited commensal relationships with five commercial probiotic strains. Besides, the bioactive compounds produced in the cell-free supernatant of probiotic yeast showed thermo-tolerance (95 °C for two hours). Furthermore, the thermo-stable property of the strains will facilitate their incorporation into ready-to-eat food products under extreme food processing conditions.

scholarly journals A biorefinery concept for the production of fuel ethanol, probiotic yeast, and whey protein from a by-product of the cheese industry

2021 ◽  
Author(s):  
María Dolores Pendón ◽  
José V. Madeira ◽  
David E. Romanin ◽  
Martín Rumbo ◽  
Andreas K. Gombert ◽  
...  
Keyword(s):  
Whey Protein ◽  
Fuel Ethanol ◽  
Probiotic Yeast ◽  
Cheese Industry

30 Role of Long Polar Fimbriae in the Interactions of Enterohemorrhagic Escherichia coli With Peyer's Patches and Inhibition by a Probiotic Yeast

2015 ◽  
Vol 148 (4) ◽  
pp. S-10
Author(s):  
Charlotte Cordonnier ◽  
Jonathan Thévenot ◽  
Lucie Etienne-Mesmin ◽  
Amandine Rougeron ◽  
Sandra Renier ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Enterohemorrhagic Escherichia Coli ◽  
Peyer's Patches ◽  
Peyer’S Patches ◽  
Probiotic Yeast

scholarly journals Characterization of the Probiotic Yeast Saccharomyces boulardii in the Healthy Mucosal Immune System

PLoS ONE ◽  
2016 ◽  
Vol 11 (4) ◽  
pp. e0153351 ◽  
Author(s):  
Lauren E. Hudson ◽  
Courtney D. McDermott ◽  
Taryn P. Stewart ◽  
William H. Hudson ◽  
Daniel Rios ◽  
...  
Keyword(s):  
Immune System ◽  
Saccharomyces Boulardii ◽  
Mucosal Immune System ◽  
Probiotic Yeast

NEW FOOD PRODUCTS WITH PROBIOTIC YEAST

2021 ◽  
Vol 1 (19) ◽  
pp. 314-316
Author(s):  
A.G. Khramtsov ◽  
S.N. Sazanova
Keyword(s):  
Ice Cream ◽  
Food Products ◽  
Saccharomyces Boulardii ◽  
Functional Ingredients ◽  
Probiotic Yeast

Saccharomycete yeast can be an alternative to traditional probiotics. The beneficial properties of Saccharomyces boulardii are well understood. By adding this yeast to food products, you can enrich them with functional ingredients. A method for producing ice cream with probiotic yeast has been developed.

scholarly journals Application of Probiotic Yeasts on Candida Species Associated Infection

2020 ◽  
Vol 6 (4) ◽  
pp. 189
Author(s):  
Lohith Kunyeit ◽  
Anu-Appaiah K A ◽  
Reeta P. Rao
Keyword(s):  
Combination Therapy ◽  
Candida Species ◽  
Short Chain Fatty Acids ◽  
Candida Auris ◽  
Protective Mechanisms ◽  
Probiotic Yeast ◽  
Life Threatening ◽  
Candida Infections

Superficial and life-threatening invasive Candida infections are a major clinical challenge in hospitalized and immuno-compromised patients. Emerging drug-resistance among Candida species is exacerbated by the limited availability of antifungals and their associated side-effects. In the current review, we discuss the application of probiotic yeasts as a potential alternative/ combination therapy against Candida infections. Preclinical studies have identified several probiotic yeasts that effectively inhibit virulence of Candida species, including Candida albicans, Candida tropicalis, Candida glabrata, Candida parapsilosis, Candida krusei and Candida auris. However, Saccharomyces cerevisiae var. boulardii is the only probiotic yeast commercially available. In addition, clinical studies have further confirmed the in vitro and in vivo activity of the probiotic yeasts against Candida species. Probiotics use a variety of protective mechanisms, including posing a physical barrier, the ability to aggregate pathogens and render them avirulent. Secreted metabolites such as short-chain fatty acids effectively inhibit the adhesion and morphological transition of Candida species. Overall, the probiotic yeasts could be a promising effective alternative or combination therapy for Candida infections. Additional studies would bolster the application of probiotic yeasts.

scholarly journals Characterization of Sporidiobolus ruineniae A45.2 Cultivated in Tannin Substrate for Use as a Potential Multifunctional Probiotic Yeast in Aquaculture

2020 ◽  
Vol 6 (4) ◽  
pp. 378
Author(s):  
Apinun Kanpiengjai ◽  
Chartchai Khanongnuch ◽  
Saisamorn Lumyong ◽  
Aksarakorn Kummasook ◽  
Suwapat Kittibunchakul
Keyword(s):  
Staphylococcus Aureus ◽  
Antioxidant Activity ◽  
Gallic Acid ◽  
Tannic Acid ◽  
Feed Additive ◽  
Intact Cells ◽  
Produce Cell ◽  
Viable Cells ◽  
Probiotic Yeast ◽  
Acid Substrate

At present, few yeast species have been evaluated for their beneficial capabilities as probiotics. Sporidiobolus ruineniae A45.2, a carotenoid-producing yeast, was able to co-produce cell-associated tannase (CAT), gallic acid and viable cells with antioxidant activity when grown in a tannic acid substrate. The aim of this research study was to identify the potential uses of S. ruineniae A45.2 obtained from a co-production system as a potential feed additive for aquaculture. S. ruineniae A45.2 and its CAT displayed high tolerance in pH 2.0, pepsin, bile salts and pancreatin. Furthermore, its viable cells were characterized by moderate hydrophobicity, high auto-aggregation and moderate co-aggregation with Staphylococcus aureus, Salmonella ser. Thyphimurium and Streptococcus agalactiae. These attributes promoted S. ruineniae A45.2 as a multifunctional probiotic yeast. In addition, the intact cells possessed antioxidant activities in a 100–150 μg gallic acid equivalent (GAE)/mL culture. Remarkably, the fermentation broth demonstrated higher antioxidant activity of 9.2 ± 1.8, 9.0 ± 0.9, and 9.8 ± 0.7 mg GAE/mL culture after FRAP, DPPH and ABTS assays, respectively. Furthermore, higher antimicrobial activity was observed against Bacillus cereus, Staphylococcus aureus and Strep. agalactiae. Therefore, cultivation of S. ruineniae A45.2 with a tannic acid substrate displayed significant potential as an effective multifunctional feed additive.

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