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Toquet M, Bataller E, Gomis J, Sánchez A, Toledo-Perona R, De la Fe C, Corrales JC, Gómez-Martín Á. Antibacterial potential of commercial and wild lactic acid bacteria strains isolated from ovine and caprine raw milk against Mycoplasma agalactiae. Front Vet Sci 2023; 10:1197701. [PMID: 37426075 PMCID: PMC10324661 DOI: 10.3389/fvets.2023.1197701] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 06/06/2023] [Indexed: 07/11/2023] Open
Abstract
Introduction The complexity of fighting contagious agalactia (CA) has raised the necessity of alternative antimicrobial therapies, such as probiotics. Lactic acid bacteria (LAB) are present in the mammary gland of small ruminants and their antimicrobial effect have been previously described against species like Mycoplasma bovis but never against Mycoplasma agalactiae (Ma). This in vitro study aims to evaluate the antimicrobial activity against Ma of ovine and caprine LAB strains and a human commercial probiotic (L2) of Lactobacillus spp. Methods A total of 63 possible LAB strains were isolated from nine ovine and caprine farms in Spain, three isolates (33B, 248D, and 120B) from the 63 strains were selected, based on their capacity to grow in a specific medium in vitro, for an in vitro experiment to assess their antimicrobial activity against Ma in Ultra High Temperature (UHT) processed goat milk (GM). A women commercial vaginal probiotic was also included in the study. The inoculum of L2 was prepared at a concentration of 3.24 × 108 CFU/mL and the average concentration of the inoculum of the wild LAB varied from 7.9 × 107 to 8.4 × 108 CFU/mL. Results The commercial probiotic L2 significantly reduced the concentration of Ma to 0.000 log CFU/mL (p < 0.001), strain 33B reduced it from 7.185 to 1.279 log CFU/mL (p < 0.001), and 120B from 6.825 to 6.466 log CFU/mL (p < 0.05). Strain 248D presented a bacteriostatic effect in GM. Moreover, the three wild strains and the commercial probiotic produced a significative reduction of the pH (p < 0.001). Discussion This is the first in vivo report of the antimicrobial potential of LAB strains against Ma and its interaction. Our results support possible future alternative strategies to antibiotic therapy, previously not contemplated, to fight CA in small ruminants. Further studies are necessary to elucidate the action mechanisms through which these LAB are able to inhibit Ma and to assess the safety of using these strains in possible in vivo studies.
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Affiliation(s)
- Marion Toquet
- Microbiological Agents Associated With Animal Reproduction (ProVaginBIO) Research Group, Departamento Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, Spain
| | - Esther Bataller
- Microbiological Agents Associated With Animal Reproduction (ProVaginBIO) Research Group, Departamento Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, Spain
| | - Jesús Gomis
- Microbiological Agents Associated With Animal Reproduction (ProVaginBIO) Research Group, Departamento Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, Spain
| | - Antonio Sánchez
- Ruminant Health Research Group, Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad de Murcia, Murcia, Spain
| | - Raquel Toledo-Perona
- Microbiological Agents Associated With Animal Reproduction (ProVaginBIO) Research Group, Departamento Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, Spain
| | - Christian De la Fe
- Ruminant Health Research Group, Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad de Murcia, Murcia, Spain
| | - Juan Carlos Corrales
- Ruminant Health Research Group, Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad de Murcia, Murcia, Spain
| | - Ángel Gómez-Martín
- Microbiological Agents Associated With Animal Reproduction (ProVaginBIO) Research Group, Departamento Producción y Sanidad Animal, Salud Pública Veterinaria y Ciencia y Tecnología de los Alimentos, Facultad de Veterinaria, Universidad Cardenal Herrera-CEU, CEU Universities, Valencia, Spain
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Sandoval-Mosqueda IL, Llorente-Bousquets A, Soto C, Márquez CM, Fadda S, Del Río García JC. Ligilactobacillus murinus Strains Isolated from Mice Intestinal Tract: Molecular Characterization and Antagonistic Activity against Food-Borne Pathogens. Microorganisms 2023; 11:microorganisms11040942. [PMID: 37110365 PMCID: PMC10141155 DOI: 10.3390/microorganisms11040942] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/26/2023] [Accepted: 03/29/2023] [Indexed: 04/07/2023] Open
Abstract
Considering the objectives of “One Health” and the Sustainable development Goals “Good health and well-being” for the development of effective strategies to apply against bacterial resistance, food safety dangers, and zoonosis risks, this project explored the isolation and identification of Lactobacillus strains from the intestinal tract of recently weaned mice; as well as the assessment of antibacterial activity against clinical and zoonotic pathogens. For molecular identification, 16S rRNA gene-specific primers were used and, via BLAST-NCBI, 16 Ligilactobacillus murinus, one Ligilactobacillus animalis, and one Streptococcus salivarius strains were identified and registered in GenBank after the confirmation of their identity percentage and the phylogenetic analysis of the 16 Ligilactobacillus murinus strains and their association with Ligilactobacillus animalis. The 18 isolated strains showed antibacterial activity during agar diffusion tests against Listeria monocytogenes ATCC 15313, enteropathogenic Escherichia coli O103, and Campylobacter jejuni ATCC 49943. Electrophoretic and zymographic techniques confirmed the presence of bacteriolytic bands with a relative molecular mass of 107 kDa and another of 24 kDa in Ligilactobacillus murinus strains. UPLC-MS analysis allowed the identification of a 107 kDa lytic protein as an N-acetylmuramoyl-L-amidase involved in cytolysis and considered a bacteriolytic enzyme with antimicrobial activity. The 24 kDa band displayed similarity with a portion of protein with aminopeptidase function. It is expected that these findings will impact the search for new strains and their metabolites with antibacterial activity as an alternative strategy to inhibit pathogens associated with major health risks that help your solution.
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Affiliation(s)
- Ivonne Lizeth Sandoval-Mosqueda
- Posgrado, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de Mexico, km 2.5 Carretera Cuautitlán-Teoloyucan, San Sebastian Xhala, Cuautitlán Izcalli 54714, Mexico
| | - Adriana Llorente-Bousquets
- Ingeniería y Tecnología, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, km 2.5 Carretera Cuautitlán-Teoloyucan, San Sebastian Xhala, Cuautitlán Izcalli 54714, Mexico
| | - Carlos Soto
- Ciencias Biológicas, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, km 2.5 Carretera Cuautitlán-Teoloyucan, San Sebastian Xhala, Cuautitlán Izcalli 54714, Mexico
| | - Crisóforo Mercado Márquez
- Ciencias Biológicas, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, km 2.5 Carretera Cuautitlán-Teoloyucan, San Sebastian Xhala, Cuautitlán Izcalli 54714, Mexico
| | - Silvina Fadda
- Centro de Referencia para Lactobacilos, Batalla de Chacabuco 145 sur, San Miguel de Tucumán T4000, Argentina
| | - Juan Carlos Del Río García
- Ciencias Biológicas, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, km 2.5 Carretera Cuautitlán-Teoloyucan, San Sebastian Xhala, Cuautitlán Izcalli 54714, Mexico
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Hidalgo VM, Babot JD, Fernández MM, Perez Chaia A, Audisio C, Apella MC. Characterization of lactic acid bacteria isolated from the poultry intestinal environment with anti-Salmonella activity in vitro. Braz J Microbiol 2023; 54:435-447. [PMID: 36333643 PMCID: PMC9944612 DOI: 10.1007/s42770-022-00860-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 10/22/2022] [Indexed: 11/07/2022] Open
Abstract
The purpose of this research was the genotypic identification of lactic acid bacteria (LAB), isolated from the gastrointestinal tract (GIT) of healthy adult birds, and the study of their safety regarding antibiotic resistance, physiological and functional properties involved in the colonization of the GIT of poultry, and Salmonella exclusion, as members of a potential mixed probiotic supplement for poultry. The nucleotidic sequence from Lactobacillus crispatus P1, L. animalis L3, and Enterococcus faecium CRL 1385 (ex-J96) showed 100, 99.8, and 99.3% identity with L. crispatus DSM 20584 T, Ligilactobacillus salivarius ATCC 11741 T, and E. faecium ATCC 19434 T, respectively. These strains showed no resistance to relevant antibiotics usually administered to animals proposed by the European Food Safety Authority. They could endure the detrimental conditions of the gastrointestinal tract (pH 2.6 and oxgall 0.1 and 0.4% w/v). In an ex vivo assay, the LAB showed high adherence to the three sections of the GIT, reaching values higher than 70%. The adhesion to mucus was strain-dependent: L. crispatus CRL 1453 evidenced the highest adhesion (> 19%) while Lig. salivarius subsp. salivarius CRL 1417 and E. faecium CRL 1385 adhered to a lower extent (> 9 and 2%, respectively). Moreover, the LAB elicited remarkable anti-Salmonella activity, taking into account that they could inhibit elevated counts of different Salmonella serovars, especially the host-specific serovars S. Gallinarum and S. Pullorum (up to 8 log CFU/mL decrease in Salmonella counts).
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Affiliation(s)
- Victor Maximiliano Hidalgo
- Estación Experimental Agroindustrial Obispo Colombres (EEAOC-Tucumán), San Miguel de Tucumán, Av. William Cross 3150, (T4101XAC), Tucumán, Argentina
| | - Jaime Daniel Babot
- Centro de Referencia para Lactobacilos (CERELA-CCT CONICET NOA Sur), San Miguel de Tucumán, Chacabuco 145, (T4000ILC), Tucumán, Argentina.
| | - María Magdalena Fernández
- Centro de Referencia para Lactobacilos (CERELA-CCT CONICET NOA Sur), San Miguel de Tucumán, Chacabuco 145, (T4000ILC), Tucumán, Argentina
| | - Adriana Perez Chaia
- Centro de Referencia para Lactobacilos (CERELA-CCT CONICET NOA Sur), San Miguel de Tucumán, Chacabuco 145, (T4000ILC), Tucumán, Argentina
- Universidad Nacional de Tucumán, Ayacucho 491, (T4000INI) San Miguel de Tucumán, Tucumán, Argentina
| | - Carina Audisio
- Instituto de Investigaciones para la Industria Química (INIQUI-CCT CONICET Salta-Jujuy), Buenos Aires 177, A4402FDC, Salta, Salta, Argentina
| | - María Cristina Apella
- Centro de Referencia para Lactobacilos (CERELA-CCT CONICET NOA Sur), San Miguel de Tucumán, Chacabuco 145, (T4000ILC), Tucumán, Argentina.
- Universidad Nacional de Tucumán, Ayacucho 491, (T4000INI) San Miguel de Tucumán, Tucumán, Argentina.
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Clark SD, Hsu C, McCauley SR, de Godoy MRC, He F, Streeter RM, Taylor EG, Quest BW. The impact of protein source and grain inclusion on digestibility, fecal metabolites, and fecal microbiome in adult canines. J Anim Sci 2023; 101:skad268. [PMID: 37555615 PMCID: PMC10464515 DOI: 10.1093/jas/skad268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 08/08/2023] [Indexed: 08/10/2023] Open
Abstract
This study was conducted to determine the effect of animal protein inclusion rate and grain-free or grain-inclusive diets on macronutrient digestibility, fecal characteristics, metabolites, and microbiota in mixed-breed hounds and Beagles. Four experimental extruded kibble diets were made with varying amounts of animal protein and carbohydrates: 1) high animal protein, grain-inclusive (HA-GI), 2) low animal protein, grain-free (LA-GF), 3) low animal protein, grain-inclusive (LA-GI), and 4) high animal protein, grain-free (HA-GF). Thirty-two Beagles and 33 mixed-breed hounds were assigned to 1 of the 4 treatment groups in a completely randomized design that lasted 180 d. All diets were similar in chemical composition and well-digested by the animals. In general, for fecal metabolites, mixed-breed hounds had a greater concentration of total short-chain fatty acid (SCFA) and ammonia and lower indole concentration than Beagles (P < 0.05). In mixed-breed hounds, LA-GF had a greater (P < 0.05) total SCFA concentration than HA-GI and LA-GI; however, this was not observed in Beagles. There were greater concentrations of ammonia, phenol, and indole in HA-GI than in LA-GF (P < 0.05). Breed-affected fecal primary bile acid (BA) concentration, as mixed-breed hounds had a greater concentration of cholic acid (CA) than Beagles (P < 0.05). Mixed-breed hounds fed LA-GF resulted in greater CA concentrations than HA-GI and LA-GI (P < 0.05). Dogs who consumed LA-GF had lower fecal secondary BA content than the other groups (P < 0.05). The distribution of the fecal microbiota community differed in LA-GF compared with the other groups, with lower α-diversity. However, dogs fed LA-GF had the largest difference in composition with greater Selenomonadaceae, Veillonellaceae, Lactobacillaceae, Streptococcus, Ligilactobacillus, Megamonas, Collinsella aerofaciens, and Bifidobacterium sp. than the other groups. A significant breed effect was noted on nutrient digestibility, fecal metabolites, and microbiota. A treatment effect was observed in LA-GF as it resulted in greater fecal SCFA, lower protein fermentative end products, greater fecal primary BAs, lower fecal secondary BA concentrations, and shifts in fecal microbiota.
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Affiliation(s)
| | - Clare Hsu
- Department of AnimalSciences, The University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | | | - Maria R C de Godoy
- Department of AnimalSciences, The University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Fei He
- Department of AnimalSciences, The University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
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Characterisation of the probiotic potential of Lactiplantibacillus plantarum K16 and its ability to produce the postbiotic metabolite γ-aminobutyric acid. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105230] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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Tomusiak-Plebanek A, Mruk M, Rząca S, Strus M, Arent Z. In Vitro assessment of anti-Campylobacter activity of lactobacillus strains isolated from canine rectal swabs. BMC Vet Res 2022; 18:112. [PMID: 35317800 PMCID: PMC8939066 DOI: 10.1186/s12917-022-03204-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 02/28/2022] [Indexed: 11/23/2022] Open
Abstract
Background Campylobacteriosis is currently the most frequently reported zoonosis. Dogs, especially puppies or those with diarrhea, are considered a possible source of human infection. Probiotic bacteria, such as Lactobacillus species, seem to be a valuable tool in controlling of intestinal pathogenic microorganisms in dogs. The main purpose of this study was to assess the anti-Campylobacter activity and some probiotic properties, like ability to produce H2O2, bile salt and low pH tolerance of Lactobacillus strains isolated from gastrointestinal tract of healthy dogs. Results A total of 39 rectal swabs derived from healthy dogs and 19 from dogs with diarrhea were examined to detect Lactobacillus and Campylobacter bacteria respectively. In total, 30 strains of Lactobacillus genus and four strains of Campylobacter genus were isolated and identified. Of the 30 strains of Lactobacillus, 22 showed an inhibitory effect towards Campylobacter. Four strains with the strongest antagonism towards Campylobacter bacteria (L. salivarius 25 K/L/1, L. rhamnosus 42 K/L/2, L. sakei 50 K/L/1 and L. agilis 55 K/L/1) were selected to assess their potential probiotic traits. Three out of four analyzed strains produced extracellular H2O2. All displayed very good or moderate survival at pH 3.0 and 2.0 and showed high tolerance to 0.5% and 1% bile salts. Conclusions Among selected Lactobacillus strains, all may have a potential probiotic application in reducing Campylobacter spp. in dogs and thus prevent transmission of infection to humans, although the best candidate for probiotic seems to be L. sakei 50 K/L/1. Further in vitro and in vivo studies are needed.
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Affiliation(s)
- Anna Tomusiak-Plebanek
- Chair of Microbiology, Jagiellonian University Medical College, 31-121 18 Czysta Street, Krakow, Poland.
| | - Martyna Mruk
- University Centre of Veterinary Medicine, University of Agriculture, 30-059, Krakow, Poland
| | - Sybilla Rząca
- University Centre of Veterinary Medicine, University of Agriculture, 30-059, Krakow, Poland
| | - Magdalena Strus
- Chair of Microbiology, Jagiellonian University Medical College, 31-121 18 Czysta Street, Krakow, Poland
| | - Zbigniew Arent
- University Centre of Veterinary Medicine, University of Agriculture, 30-059, Krakow, Poland
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