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Wang F, Ghonimy A, Wang X. Whole-genome sequencing of Pseudoalteromonas piscicida 2515 revealed its antibacterial potency against Vibrio anguillarum: a preliminary invitro study. Antonie Van Leeuwenhoek 2024; 117:84. [PMID: 38809302 DOI: 10.1007/s10482-024-01974-w] [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: 05/24/2023] [Accepted: 04/26/2024] [Indexed: 05/30/2024]
Abstract
Pseudoalteromonas piscicida 2515, isolated from Litopenaeus vannamei culture water, is a potential marine probiotic with broad anti-Vibrio properties. However, genomic information on P. piscicida 2515 is scarce. In this study, the general genomic characteristics and probiotic properties of the P. piscicida 2515 strain were analysed. In addition, we determined the antibacterial mechanism of this bacterial strain by scanning electron microscopy (SEM). The results indicated that the whole-genome sequence of P. piscicida 2515 contained one chromosome and one plasmid, including a total length of 5,541,406 bp with a G + C content of 43.24%, and 4679 protein-coding genes were predicted. Various adhesion-related genes, amino acid and vitamin metabolism and biosynthesis genes, and stress-responsive genes were found with genome mining tools. The presence of genes encoding chitin, bromocyclic peptides, lantibiotics, and sactipeptides showed the strong antibacterial activity of the P. piscicida 2515 strain. Moreover, in coculture with Vibrio anguillarum, P. piscicida 2515 displayed vesicle/pilus-like structures located on its surface that possibly participated in its bactericidal activity, representing an antibacterial mechanism. Additionally, 16 haemolytic genes and 3 antibiotic resistance genes, including tetracycline, fluoroquinolone, and carbapenem were annotated, but virulence genes encoding enterotoxin FM (entFM), cereulide (ces), and cytotoxin K were not detected. Further tests should be conducted to confirm the safety characteristics of P. piscicida 2515, including long-term toxicology tests, ecotoxicological assessment, and antibiotic resistance transfer risk assessment. Our results here revealed a new understanding of the probiotic properties and antibacterial mechanism of P. piscicida 2515, in addition to theoretical information for its application in aquaculture.
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Affiliation(s)
- Fenglin Wang
- School of Marine Sciences, Ningbo University, Ningbo, 315211, China
| | - Abdallah Ghonimy
- Key Laboratory of Sustainable Development of Marine Fisheries, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, China
| | - Xiuhua Wang
- Key Laboratory of Marine Aquaculture Disease Control, Ministry of Agriculture, Qingdao Key Laboratory of Mariculture Epidemiology and Biosecurity, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, 266071, China.
- Function Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China.
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Li X, Yang J, Shi S, Lan H, Zhao W, Hung W, He J, Wang R. The Genome of Bifidobacterium longum subsp. infantis YLGB-1496 Provides Insights into Its Carbohydrate Utilization and Genetic Stability. Genes (Basel) 2024; 15:466. [PMID: 38674400 PMCID: PMC11154571 DOI: 10.3390/genes15040466] [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: 03/01/2024] [Revised: 04/02/2024] [Accepted: 04/03/2024] [Indexed: 04/28/2024] Open
Abstract
Bifidobacterium longum subsp. infantis YLGB-1496 (YLGB-1496) is a probiotic strain isolated from human breast milk. The application of YLGB-1496 is influenced by carbohydrate utilization and genetic stability. This study used genome sequencing and morphology during continuous subculture to determine the carbohydrate utilization characteristics and genetic stability of YLGB-1496. The complete genome sequence of YLGB-1496 consists of 2,758,242 base pairs, 2442 coding sequences, and a GC content of 59.87%. A comparison of carbohydrate transport and metabolism genes of Bifidobacterium longum subsp. infantis (B. infantis) showed that YLGB-1496 was rich in glycosyl hydrolase 13, 20, 25, and 109 gene families. During continuous subculture, the growth characteristics and fermentation activity of the strain were highly stable. The bacterial cell surface and edges of the 1000th-generation strains were progressively smoother and well-defined, with no perforations or breaks in the cell wall. There were 20 SNP loci at the 1000th generation, fulfilling the requirement of belonging to the same strain. The presence of genes associated with cell adhesion and the absence of resistance genes supported the probiotic characteristics of the strain. The data obtained in this study provide insights into broad-spectrum carbohydrate utilization, genomic stability, and probiotic properties of YLGB-1496, which provide theoretical support to promote the use of YLGB-1496.
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Affiliation(s)
- Xiaoxia Li
- Research Center for Probiotics, Department of Nutrition and Health, China Agricultural University, Beijing 100190, China; (X.L.); (J.Y.); (S.S.); (W.Z.)
| | - Jianjun Yang
- Research Center for Probiotics, Department of Nutrition and Health, China Agricultural University, Beijing 100190, China; (X.L.); (J.Y.); (S.S.); (W.Z.)
| | - Shaoqi Shi
- Research Center for Probiotics, Department of Nutrition and Health, China Agricultural University, Beijing 100190, China; (X.L.); (J.Y.); (S.S.); (W.Z.)
| | - Hanglian Lan
- National Center of Technology Innovation for Dairy, Hohhot 010110, China; (H.L.); (W.H.); (J.H.)
| | - Wen Zhao
- Research Center for Probiotics, Department of Nutrition and Health, China Agricultural University, Beijing 100190, China; (X.L.); (J.Y.); (S.S.); (W.Z.)
| | - Weilian Hung
- National Center of Technology Innovation for Dairy, Hohhot 010110, China; (H.L.); (W.H.); (J.H.)
| | - Jian He
- National Center of Technology Innovation for Dairy, Hohhot 010110, China; (H.L.); (W.H.); (J.H.)
| | - Ran Wang
- Research Center for Probiotics, Department of Nutrition and Health, China Agricultural University, Beijing 100190, China; (X.L.); (J.Y.); (S.S.); (W.Z.)
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Quintieri L, Fanelli F, Monaci L, Fusco V. Milk and Its Derivatives as Sources of Components and Microorganisms with Health-Promoting Properties: Probiotics and Bioactive Peptides. Foods 2024; 13:601. [PMID: 38397577 PMCID: PMC10888271 DOI: 10.3390/foods13040601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 01/31/2024] [Accepted: 02/14/2024] [Indexed: 02/25/2024] Open
Abstract
Milk is a source of many valuable nutrients, including minerals, vitamins and proteins, with an important role in adult health. Milk and dairy products naturally containing or with added probiotics have healthy functional food properties. Indeed, probiotic microorganisms, which beneficially affect the host by improving the intestinal microbial balance, are recognized to affect the immune response and other important biological functions. In addition to macronutrients and micronutrients, biologically active peptides (BPAs) have been identified within the amino acid sequences of native milk proteins; hydrolytic reactions, such as those catalyzed by digestive enzymes, result in their release. BPAs directly influence numerous biological pathways evoking behavioral, gastrointestinal, hormonal, immunological, neurological, and nutritional responses. The addition of BPAs to food products or application in drug development could improve consumer health and provide therapeutic strategies for the treatment or prevention of diseases. Herein, we review the scientific literature on probiotics, BPAs in milk and dairy products, with special attention to milk from minor species (buffalo, sheep, camel, yak, donkey, etc.); safety assessment will be also taken into consideration. Finally, recent advances in foodomics to unveil the probiotic role in human health and discover novel active peptide sequences will also be provided.
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Affiliation(s)
| | - Francesca Fanelli
- National Research Council of Italy, Institute of Sciences of Food Production (CNR-ISPA), 70126 Bari, Italy; (L.Q.); (L.M.); (V.F.)
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Hu Y, Hong H, Zhou J, Cui Y, Zhang B, Zhao J. Recent advances in enzymatic properties, preparation methods, and functions of glycoside hydrolase from Bifidobacterium: a review. World J Microbiol Biotechnol 2023; 39:344. [PMID: 37843698 DOI: 10.1007/s11274-023-03770-6] [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: 04/25/2023] [Accepted: 09/15/2023] [Indexed: 10/17/2023]
Abstract
Bifidobacterium is a major probiotic of intestinal gut flora and exerts many physiological activities, and it is widely applied in the fields of food and medicine. As an important part of Bifidobacterium, glycoside hydrolase plays a role in its physiological activity. With the continuous development and improvement of genetic engineering technology, research on this type of enzyme will play a crucial role in promoting the further development of Bifidobacterium in the field of probiotics. In this review, the preparation methods, enzymatic properties, and functions of glycoside hydrolase extracted from Bifidobacterium are described and summarized. The common method for preparing glycoside hydrolase derived from Bifidobacterium is heterologous expression in Escherichia coli BL21. The optimal pH range for these glycoside hydrolase enzymes is between 4.5 and 7.5; the optimal temperature is between 30 and 50 °C, which is close to the optimal growth condition of Bifidobacterium. Based on substrate specificity, these glycoside hydrolase could hydrolyze synthetic substrates and natural oligosaccharides, including a series of pNP artificial substrates, disaccharide, and trisaccharides, while they have little ability to hydrolyze polysaccharide substrates. This review will be expected to provide a basis for the development of Bifidobacterium as a probiotic element.
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Affiliation(s)
- Yanbo Hu
- School of Food Sciences and Engineering, Chang Chun University, Changchun, 130024, People's Republic of China
| | - Huili Hong
- School of Food Sciences and Engineering, Chang Chun University, Changchun, 130024, People's Republic of China
| | - Jianing Zhou
- School of Food Sciences and Engineering, Chang Chun University, Changchun, 130024, People's Republic of China
| | - Yangyang Cui
- School of Food Sciences and Engineering, Chang Chun University, Changchun, 130024, People's Republic of China
| | - Baochun Zhang
- School of Food Sciences and Engineering, Chang Chun University, Changchun, 130024, People's Republic of China
| | - Jun Zhao
- School of Food Sciences and Engineering, Chang Chun University, Changchun, 130024, People's Republic of China.
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Shamsuzzaman M, Dahal RH, Kim S, Kim J. Genome insight and probiotic potential of three novel species of the genus Corynebacterium. Front Microbiol 2023; 14:1225282. [PMID: 37485528 PMCID: PMC10358988 DOI: 10.3389/fmicb.2023.1225282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 06/14/2023] [Indexed: 07/25/2023] Open
Abstract
Three bacterial strains, B5-R-101T, TA-R-1T, and BL-R-1T, were isolated from the feces of a healthy Korean individual. Cells of these strains were Gram-stain-positive, facultatively anaerobic, oxidase-negative, catalase-positive, rod-shaped, and non-motile. They were able to grow within a temperature range of 10-42°C (optimum, 32-37°C), at a pH range of 2.0-10.0 (optimum, pH 5.5-8.0), and at NaCl concentration of 0.5-10.5% (w/v). All the three strains exhibited 2,2-Diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activities ranging from 58 ± 1.62 to 79 ± 1.46% (% inhibition). These strains survived in lower pH (2.0) and in 0.3% bile salt concentration for 4 h. They did not show hemolytic activity and exhibited antimicrobial activity against pathogenic bacteria, such as Escherichia coli, Acinetobacter baumannii, Staphylococcus aureus, and Salmonella enterica. The genomic analysis presented no significant concerns regarding antibiotic resistance or virulence gene content, indicating these strains could be potential probiotic candidates. Phylogenetic analysis showed that they belonged to the genus Corynebacterium, with 98.5-99.0% 16S rRNA gene sequence similarities to other members of the genus. Their major polar lipids were diphosphatidylglycerol and phosphatidylglycerol. The abundant cellular fatty acids were C16:0, C18:1ω9c, and anteiso-C19:0. Genomic analysis of these isolates revealed the presence of genes necessary for their survival and growth in the gut environment, such as multi-subunit ATPases, stress response genes, extracellular polymeric substance biosynthesis genes, and antibacterial genes. Furthermore, the genome of each strain possessed biosynthetic gene clusters with antioxidant and antimicrobial potentials, including terpenes, saccharides, polyketides, post-translationally modified peptides (RIPPs), and non-ribosomal peptides (NRPs). In silico DNA-DNA hybridization (dDDH) and average nucleotide identity (ANI) values were lower than the thresholds to distinguish novel species. Based on phenotypic, genomic, phylogenomic, and phylogenetic analysis, these potential probiotic strains represent novel species within the genus Corynebacterium, for which the names Corynebacterium intestinale sp. nov. (type strain B5-R-101T = CGMCC 1.19408T = KCTC 49761T), Corynebacterium stercoris sp. nov. (type strain TA-R-1T = CGMCC 1.60014T = KCTC 49742T), and Corynebacterium faecium sp. nov. (type strain BL-R-1T = KCTC 49735T = TBRC 17331T) are proposed.
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Affiliation(s)
- Md Shamsuzzaman
- Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Ram Hari Dahal
- Department of Microbiology, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Shukho Kim
- Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
- Department of Microbiology, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Jungmin Kim
- Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
- Department of Microbiology, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
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Reyes-Castillo PA, González-Vázquez R, Torres-Maravilla E, Bautista-Hernández JI, Zúñiga-León E, Leyte-Lugo M, Mateos-Sánchez L, Mendoza-Pérez F, Gutiérrez-Nava MA, Reyes-Pavón D, Azaola-Espinosa A, Mayorga-Reyes L. Bifidobacterium longum LBUX23 Isolated from Feces of a Newborn; Potential Probiotic Properties and Genomic Characterization. Microorganisms 2023; 11:1648. [PMID: 37512821 PMCID: PMC10385183 DOI: 10.3390/microorganisms11071648] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 06/17/2023] [Accepted: 06/22/2023] [Indexed: 07/30/2023] Open
Abstract
Bifidobacterium longum is considered a microorganism with probiotic potential, which has been extensively studied, but these probiotic effects are strain dependent. This work aims to characterize the probiotic potential, based on the biochemical and genomic functionality, of B. longum LBUX23, isolated from neonates' feces. B. longum LBUX23 contains one circular genome of 2,287,838 bp with a G+C content of 60.05%, no plasmids, no CRISPR-Cas operon, possesses 56 tRNAs, 9 rRNAs, 1 tmRNA and 1776 coding sequences (CDSs). It has chromosomally encoded resistance genes to ampicillin and dicloxacillin, non-hemolytic activity, and moderate inhibition of Escherichia coli ATCC 25922 and to some emergent pathogen's clinical strains. B. longum LBUX23 was able to utilize lactose, sucrose, fructooligosaccharides (FOS), and lactulose. The maximum peak of bacterial growth was observed in sucrose and FOS at 6 h; in lactose and lactulose, it was shown at 8 h. B. longum LBUX23 can survive in gastrointestinal conditions (pH 4 to 7). A decrease in survival (96.5 and 93.8%) was observed at pH 3 and 3.5 during 120 min. argC, argH, and dapA genes could be involved in this tolerance. B. longum LBUX23 can also survive under primary and secondary glyco- or tauro-conjugated bile salts, and a mixture of bile salts due to the high extracellular bile salt hydrolase (BSH) activity (67.3 %), in taurocholic acid followed by taurodeoxycholic acid (48.5%), glycocholic acid (47.1%), oxgall (44.3%), and glycodeoxycholic acid (29.7%) probably due to the presence of the cbh and gnlE genes which form an operon (start: 119573 and end: 123812). Low BSH activity was determined intracellularly (<7%), particularly in glycocholic acid; no intracellular activity was shown. B. longum LBUX23 showed antioxidant effects in DPPH radical, mainly in intact cells (27.4%). In the case of hydroxyl radical scavenging capacity, cell debris showed the highest reduction (72.5%). In the cell-free extract, superoxide anion radical scavenging capacity was higher (90.5%). The genome of B. longum LBUX23 contains PNPOx, AhpC, Bcp, trxA, and trxB genes, which could be involved in this activity. Regarding adherence, it showed adherence up to 5% to Caco-2 cells. B. longum LBUX23 showed in vitro potential probiotic properties, mainly in BSH activity and antioxidant capacity, which indicates that it could be a good candidate for antioxidant or anti-cholesterol tests using in vivo models.
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Affiliation(s)
- Pedro A Reyes-Castillo
- Doctorado en Ciencias Biologicas y de la Salud, Universidad Autonoma Metropolitana, Unidad Xochimilco, Ciudad de Mexico 04960, Mexico
| | - Raquel González-Vázquez
- Laboratorio de Biotecnologia, Departamento de Sistemas Biologicos, CONAHCYT-Universidad Autónoma Metropolitana, Unidad Xochimilco, Ciudad de Mexico 04960, Mexico
| | - Edgar Torres-Maravilla
- Facultad de Medicina Mexicali, Universidad Autonoma de Baja California, Mexicali 21000, Mexico
| | - Jessica I Bautista-Hernández
- Laboratorio de Biotecnologia, Departamento de Sistemas Biologicos, Universidad Autonoma Metropolitana, Unidad Xochimilco, Ciudad de Mexico 04960, Mexico
| | - Eduardo Zúñiga-León
- Centro de Investigación en Recursos Bioticos, Facultad de Ciencias, Universidad Autonoma del Estado de Mexico, Carretera Toluca-Ixtlahuaca Km 14.5, San Cayetano, Toluca 50295, Mexico
| | - Martha Leyte-Lugo
- Laboratorio de Biotecnologia, Departamento de Sistemas Biologicos, CONAHCYT-Universidad Autónoma Metropolitana, Unidad Xochimilco, Ciudad de Mexico 04960, Mexico
| | - Leovigildo Mateos-Sánchez
- Unidad de Cuidados Intensivos de Neonatos, Unidad Medica de Alta Especialidad, Hospital Gineco Obstetricia No. 4 "Luis Castelazo Ayala", Instituto Mexicano del Seguro Social, Ciudad de Mexico 01090, Mexico
| | - Felipe Mendoza-Pérez
- Laboratorio de Biotecnologia, Departamento de Sistemas Biologicos, Universidad Autonoma Metropolitana, Unidad Xochimilco, Ciudad de Mexico 04960, Mexico
| | - María Angélica Gutiérrez-Nava
- Laboratorio de Ecologia Microbiana, Departamento de Sistemas Biologicos, Universidad Autonoma Metropolitana, Unidad Xochimilco, Ciudad de Mexico 04960, Mexico
| | - Diana Reyes-Pavón
- Facultad de Medicina Mexicali, Universidad Autonoma de Baja California, Mexicali 21000, Mexico
| | - Alejandro Azaola-Espinosa
- Laboratorio de Biotecnologia, Departamento de Sistemas Biologicos, Universidad Autonoma Metropolitana, Unidad Xochimilco, Ciudad de Mexico 04960, Mexico
| | - Lino Mayorga-Reyes
- Laboratorio de Biotecnologia, Departamento de Sistemas Biologicos, Universidad Autonoma Metropolitana, Unidad Xochimilco, Ciudad de Mexico 04960, Mexico
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Sharma S, Singh S, Chaudhary V, Mantri S, Chander A, Maurya R, Rajarammohan S, Singh RP, Rishi P, Bishnoi M, Bhadada SK, Kondepudi KK. Isomaltooligosaccharides utilization and genomic characterization of human infant anti-inflammatory Bifidobacterium longum and Bifidobacterium breve strains. 3 Biotech 2022; 12:89. [PMID: 35299989 PMCID: PMC8901852 DOI: 10.1007/s13205-022-03141-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 02/07/2022] [Indexed: 11/01/2022] Open
Abstract
This study was carried out to understand the probiotic features, ability to utilize non-digestible carbohydrates and comparative genomics of anti-inflammatory Bifidobacterium strains isolated from human infant stool samples. Bacterial strains were isolated from the stool samples using serial dilution on MRS agar plates supplemented with 0.05% l-cysteine hydrochloride and mupirocin. Molecular characterization of the strains was carried out by 16S rRNA gene sequencing. Anti-inflammatory activity was determined using TNF-α and lipopolysaccharide (LPS) induced inflammation in Caco2 cells. Probiotic attributes were determined as per the established protocols. Isomaltooligosaccharides (IMOS) utilization was determined in the broth cultures. Whole genome sequencing and analysis was carried out for three strains. Four obligate anaerobic, Gram positive Bifidobacterium strains were isolated from the infant stool samples. Strains were identified as Bifidobacterium longum Bif10, B. breve Bif11, B. longum Bif12 and B. longum Bif16. The strains were able to prevent inflammation in the Caco2 cells through lowering of IL8 production that was caused by TNF-α and LPS treatment. The strains exhibited desirable probiotic attributes such as acid and bile tolerance, mucin binding, antimicrobial activity, bile salt hydrolase activity, cholesterol lowering ability and could ferment non-digestible carbohydrates such as isomaltooligosaccharides and raffinose. Furthermore, Isomaltooligosaccharides supported the optimum growth of the strains in vitro, which was comparable to that on glucose. Strains could metabolize IMOS through cell associated α-glucosidase activity. Genomic features revealed the presence of genes responsible for the utilization of IMOS and for the probiotic attributes. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-022-03141-2.
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