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Barreto Pinilla CM, Brandelli A, Ataíde Isaia H, Guzman F, Sundfeld da Gama MA, Spadoti LM, Torres Silva E Alves A. Probiotic Potential and Application of Indigenous Non-Starter Lactic Acid Bacteria in Ripened Short-Aged Cheese. Curr Microbiol 2024; 81:202. [PMID: 38829392 DOI: 10.1007/s00284-024-03729-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Accepted: 05/04/2024] [Indexed: 06/05/2024]
Abstract
There are massive sources of lactic acid bacteria (LAB) in traditional dairy products. Some of these indigenous strains could be novel probiotics with applications in human health and supply the growing needs of the probiotic industry. In this work, were analyzed the probiotic and technological properties of three Lactobacilli strains isolated from traditional Brazilian cheeses. In vitro tests showed that the three strains are safe and have probiotic features. They presented antimicrobial activity against pathogenic bacteria, auto-aggregation values around 60%, high biofilm formation properties, and a survivor of more than 65% to simulated acid conditions and more than 100% to bile salts. The three strains were used as adjunct cultures separately in a pilot-scale production of Prato cheese. After 45 days of ripening, the lactobacilli counts in the cheeses were close to 8 Log CFU/g, and was observed a reduction in the lactococci counts (around -3 Log CFU/g) in a strain-dependent manner. Cheese primary and secondary proteolysis were unaffected by the probiotic candidates during the ripening, and the strains showed no lipolytic effect, as no changes in the fatty acid profile of cheeses were observed. Thus, our findings suggest that the three strains evaluated have probiotic properties and have potential as adjunct non-starter lactic acid bacteria (NSLAB) to improve the quality and functionality of short-aged cheeses.
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Affiliation(s)
| | - Adriano Brandelli
- Laboratory of Applied Microbiology and Biochemistry, Institute of Food Science and Technology (ICTA), Federal University of Rio Grande Do Sul (UFRGS), Porto Alegre, Brazil
| | - Henrique Ataíde Isaia
- Laboratory of Applied Microbiology and Biochemistry, Institute of Food Science and Technology (ICTA), Federal University of Rio Grande Do Sul (UFRGS), Porto Alegre, Brazil
| | - Frank Guzman
- Grupo de Investigación en Epidemiología y Diseminación de la Resistencia a Antimicrobianos - "One Health", Universidad Científica del Sur, Lima, Perú
| | | | - Leila Maria Spadoti
- Dairy Technology Center (TECNOLAT) of the Food Technology Institute (ITAL), Campinas, São Paulo, Brazil
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Antibiotic resistance and virulence factors in lactobacilli: something to carefully consider. Food Microbiol 2022; 103:103934. [DOI: 10.1016/j.fm.2021.103934] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 10/25/2021] [Accepted: 11/04/2021] [Indexed: 01/06/2023]
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Lacticaseibacillus rhamnosus: A Suitable Candidate for the Construction of Novel Bioengineered Probiotic Strains for Targeted Pathogen Control. Foods 2022; 11:foods11060785. [PMID: 35327208 PMCID: PMC8947445 DOI: 10.3390/foods11060785] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/03/2022] [Accepted: 03/07/2022] [Indexed: 12/12/2022] Open
Abstract
Probiotics, with their associated beneficial effects, have gained popularity for the control of foodborne pathogens. Various sources are explored with the intent to isolate novel robust probiotic strains with a broad range of health benefits due to, among other mechanisms, the production of an array of antimicrobial compounds. One of the shortcomings of these wild-type probiotics is their non-specificity. A pursuit to circumvent this limitation led to the advent of the field of pathobiotechnology. In this discipline, specific pathogen gene(s) are cloned and expressed into a given probiotic to yield a novel pathogen-specific strain. The resultant recombinant probiotic strain will exhibit enhanced species-specific inhibition of the pathogen and its associated infection. Such probiotics are also used as vehicles to deliver therapeutic agents. As fascinating as this approach is, coupled with the availability of numerous probiotics, it brings a challenge with regard to deciding which of the probiotics to use. Nonetheless, it is indisputable that an ideal candidate must fulfil the probiotic selection criteria. This review aims to show how Lacticaseibacillus rhamnosus, a clinically best-studied probiotic, presents as such a candidate. The objective is to spark researchers’ interest to conduct further probiotic-engineering studies using L. rhamnosus, with prospects for the successful development of novel probiotic strains with enhanced beneficial attributes.
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Aziz G, Zaidi A, Tariq M. Compositional Quality and Possible Gastrointestinal Performance of Marketed Probiotic Supplements. Probiotics Antimicrob Proteins 2022; 14:288-312. [PMID: 35199309 DOI: 10.1007/s12602-022-09931-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/11/2022] [Indexed: 12/15/2022]
Abstract
The local pharmacies and shops are brimming with various probiotic products that herald a range of health benefits. The poor quality of probiotic products in both dosage and species is symptomatic of this multi-billion-dollar market making it difficult for consumers to single out reliable ones. This study aims to fill the potential gap in the labeling accuracy of probiotic products intended for human consumption. We describe a combinatorial approach using classical culture-dependent technique to quantify and molecular techniques (16 s rRNA gene sequencing, multilocus sequence, and ribotyping) for strain recognition of the microbial contents. The full gamut of probiotic characteristics including acid, bile and lysozyme tolerances, adhesiveness, anti-pathogenicity, and degree of safeness were performed. Their capacity to endure gastro-intestinal (GIT) stresses and select drugs was assessed in vitro. Our results forced us to declare that the local probiotic market is essentially unregulated. Almost none of the probiotic products tested met the label claim. Some (11%) have no viable cells, and a quarter (27%) showing significant inter-batch variation. A lower microbial count was typical with undesirables constituting a quarter of the total (~ 27%). Half of the products contained antibiotic-resistant strains; the unregulated use of these probiotics carries the risk of spreading antibiotic resistance to gut pathobionts. Poor tolerance to gut conditions and mediocre functionalism make the case worse. The current regulatory systems do not take this discrepancy into account. We recommend an evidence-based regular market surveillance of marketed probiotics to ensure the authenticity of the claims and product effectiveness.
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Affiliation(s)
- Ghazal Aziz
- National Probiotic Laboratory, National Institute for Biotechnology and Genetic Engineering College (NIBGE-C)-PIEAS, Faisalabad, 38000, Punjab, Pakistan
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Nilore, Islamabad, 45650, ICT, Pakistan
| | - Arsalan Zaidi
- National Probiotic Laboratory, National Institute for Biotechnology and Genetic Engineering College (NIBGE-C)-PIEAS, Faisalabad, 38000, Punjab, Pakistan.
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Nilore, Islamabad, 45650, ICT, Pakistan.
| | - Muhammad Tariq
- National Probiotic Laboratory, National Institute for Biotechnology and Genetic Engineering College (NIBGE-C)-PIEAS, Faisalabad, 38000, Punjab, Pakistan
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Nilore, Islamabad, 45650, ICT, Pakistan
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Comparative Genomic Analysis of Lactobacillus plantarum: An Overview. Int J Genomics 2019; 2019:4973214. [PMID: 31093491 PMCID: PMC6481158 DOI: 10.1155/2019/4973214] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 02/19/2019] [Accepted: 03/12/2019] [Indexed: 01/21/2023] Open
Abstract
Background Lactobacillus plantarum is widely used in the manufacture of dairy products, fermented foods, and bacteriocins. The genomes of the strains contain multiple genes which may have been acquired by horizontal gene transfer. Many of these genes are important for the regulation, metabolism, and transport of various sugars; however, other genes may carry and spread virulence and antibiotic resistance determinants. In this way, monitoring these genomes is essential to the manufacture of food. In this study, we aim to provide an overview of the genomic properties of L. plantarum based on approaches of comparative genomics. Results The finding of the current study indicates that the core genome of L. plantarum presents 1425 protein-coding genes and is mostly related to the metabolic process. The accessory genome has on average 1320 genes that encodes protein involved in processes as the formation of bacteriocins, degradation of halogen, arsenic detoxification, and nisin resistance. Most of the strains show an ancestral synteny, similar to the one described in the genomes of L. pentosus KCA1 and L. plantarum WCFS1. The lifestyle island analyses did not show a pattern of arrangement or gene content according to habitat. Conclusions Our results suggest that there is a high rate of transfer of genetic material between the strains. We did not identify any virulence factors and antibiotic resistance genes on the genomes. Thus, the strains may be useful for the biotechnology, bioremediation, and production of bacteriocins. The potential applications are, however, restricted to particular strains.
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Rabodonirina S, Rasolomampianina R, Krier F, Drider D, Merhaby D, Net S, Ouddane B. Degradation of fluorene and phenanthrene in PAHs-contaminated soil using Pseudomonas and Bacillus strains isolated from oil spill sites. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 232:1-7. [PMID: 30453222 DOI: 10.1016/j.jenvman.2018.11.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2017] [Revised: 09/19/2018] [Accepted: 11/01/2018] [Indexed: 05/15/2023]
Abstract
Biodegradation of 3-ring and 4-ring polycyclic aromatic hydrocarbons (PAHs) model (fluorene, phenanthrene, fluoranthene and pyrene) were investigated. Twenty-seven bacterial strains were isolated from contaminated-site by oil spills. PAHs-degrading bacteria were screened to select high tolerant species for ensuring an efficient bioremediation. Each of the isolated bacterial strains was grown under different PAHs concentrations (250, 500, 1000 and 1500 mg/L). Among the 27 strains, 8 resulted to be resistant to high concentration level of PAHs (1500 mg/L) and thereof can use PAHs as sole source of carbon and energy. The most tolerant strains were molecularly identified using mass spectrometer MALDI-TOF VITEK MS and 16S rDNA sequencing approaches. The identified bacterial strains Pseudomonas stutzeri (P. stutzeri), Bacillus simplex (B. simplex) and Bacillus pumilus (B. pumilus) were used for the bioremediation experiment of soils contaminated by PAHs. The studies were conducted under controlled conditions using soil spiked with a mixture of the target PAHs and the three microcosm strains. The results revealed that only fluorene and phenanthrene, which are low molecular weight PAHs, were degraded efficiently within 72 days of test organism incubation. These degradations were about 65-86% and 86-95% for fluorene and phenanthrene, respectively. At the same time and conversely to fluorene and phenanthrene, the high molecular weight PAHs, pyrene and fluoranthene were recalcitrant to these selected microbial strains. The biodegradation kinetics of both fluorene and phenanthrene were fit a first order rate with R2 values ranging from 0.88 to 0.92. The half-lives of phenanthrene (2.4-2.7 days) and those of fluorene (3.5-4.6 days) were all less than 10 days, delineating therefore acclimatization with the strains.
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Affiliation(s)
- S Rabodonirina
- Univ. Lille, LASIR-UMR CNRS 8516, Equipe Physico-Chimie de l'Environnement, Bat. C8, 59655, Villeneuve d'Ascq, France; Faculté des Sciences de l'Université d'Antananarivo, Unité de Recherche en Génie des Procédés et Génie de l'Environnement (URGPGE), BP 906 - 101, Antananarivo, Madagascar
| | - R Rasolomampianina
- Laboratoire de Microbiologie de l'eau, Centre National de Recherches sur l'Environnement, Antananarivo 101, Madagascar
| | - F Krier
- Université de Lille, EA 7394-Institut Charles Violette, F-59000, Lille, France
| | - D Drider
- Université de Lille, EA 7394-Institut Charles Violette, F-59000, Lille, France
| | - D Merhaby
- Univ. Lille, LASIR-UMR CNRS 8516, Equipe Physico-Chimie de l'Environnement, Bat. C8, 59655, Villeneuve d'Ascq, France; Université Libanaise, Faculté de Santé Publique Section III, Laboratoire des Sciences de l'Eau et de l'Environnement (L.S.E.E), Tripoli, Lebanon
| | - S Net
- Univ. Lille, LASIR-UMR CNRS 8516, Equipe Physico-Chimie de l'Environnement, Bat. C8, 59655, Villeneuve d'Ascq, France
| | - B Ouddane
- Univ. Lille, LASIR-UMR CNRS 8516, Equipe Physico-Chimie de l'Environnement, Bat. C8, 59655, Villeneuve d'Ascq, France.
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Imperial ICVJ, Ibana JA. Addressing the Antibiotic Resistance Problem with Probiotics: Reducing the Risk of Its Double-Edged Sword Effect. Front Microbiol 2016; 7:1983. [PMID: 28018315 PMCID: PMC5156686 DOI: 10.3389/fmicb.2016.01983] [Citation(s) in RCA: 129] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2016] [Accepted: 11/28/2016] [Indexed: 12/27/2022] Open
Abstract
Antibiotic resistance is a global public health problem that requires our attention. Indiscriminate antibiotic use is a major contributor in the introduction of selective pressures in our natural environments that have significantly contributed in the rapid emergence of antibiotic-resistant microbial strains. The use of probiotics in lieu of antibiotic therapy to address certain health conditions in both animals and humans may alleviate these antibiotic-mediated selective pressures. Probiotic use is defined as the actual application of live beneficial microbes to obtain a desired outcome by preventing diseased state or improving general health. Multiple studies have confirmed the beneficial effects of probiotic use in the health of both livestock and humans. As such, probiotics consumption is gaining popularity worldwide. However, concerns have been raised in the use of some probiotics strains that carry antibiotic resistance genes themselves, as they have the potential to pass the antibiotic resistance genes to pathogenic bacteria through horizontal gene transfer. Therefore, with the current public health concern on antibiotic resistance globally, in this review, we underscore the need to screen probiotic strains that are used in both livestock and human applications to assure their safety and mitigate their potential in significantly contributing to the spread of antibiotic resistance genes in our natural environments.
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Affiliation(s)
- Ivan C V J Imperial
- Immunopharmacology Research Laboratory, Institute of Biology, College of Science, University of the Philippines Diliman Quezon City, Philippines
| | - Joyce A Ibana
- Immunopharmacology Research Laboratory, Institute of Biology, College of Science, University of the Philippines Diliman Quezon City, Philippines
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Huddleston JR. Horizontal gene transfer in the human gastrointestinal tract: potential spread of antibiotic resistance genes. Infect Drug Resist 2014; 7:167-76. [PMID: 25018641 PMCID: PMC4073975 DOI: 10.2147/idr.s48820] [Citation(s) in RCA: 304] [Impact Index Per Article: 30.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Bacterial infections are becoming increasingly difficult to treat due to widespread antibiotic resistance among pathogens. This review aims to give an overview of the major horizontal transfer mechanisms and their evolution and then demonstrate the human lower gastrointestinal tract as an environment in which horizontal gene transfer of resistance determinants occurs. Finally, implications for antibiotic usage and the development of resistant infections and persistence of antibiotic resistance genes in populations as a result of horizontal gene transfer in the large intestine will be discussed.
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Scientific Opinion on the maintenance of the list of QPS biological agents intentionally added to food and feed (2012 update). EFSA J 2012. [DOI: 10.2903/j.efsa.2012.3020] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
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