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Probiotics and Antimicrobial Proteins

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https://www.readbyqxmd.com/read/29446057/in-vitro-evaluation-of-probiotic-potential-of-lactic-acid-bacteria-isolated-from-yunnan-de-ang-pickled-tea
#1
Zhenhui Cao, Hongbin Pan, Shijun Li, Chongying Shi, Sifan Wang, Fuyi Wang, Pengfei Ye, Junjing Jia, Changrong Ge, Qiuye Lin, Zhiyong Zhao
This study aimed to investigate the probiotic potential of lactic acid bacteria (LAB) strains isolated from De'ang pickled tea, a traditional food consumed by the De'ang nationality of Yunnan, China. Twenty-six LAB strains isolated from De'ang pickled tea were subjected to identification based on 16S rRNA gene sequence analysis. Twenty-four belonged to Lactobacillus plantarum, one belonged to Enterococcus casseliflavus, and one belonged to Lactobacillus acidophilus. Eighteen out of 26 LAB strains which showed a higher capability to tolerate simulated gastrointestinal juices were chosen to further evaluate their probiotic properties...
February 14, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29441457/effect-of-vsl-3-probiotic-in-a-patient-with-glycogen-storage-disease-type-ia-and-irritable-bowel-disease-like-disease
#2
Miguel Carnero-Gregorio, Alberto Molares-Vila, Alberte Corbalán-Rivas, Carlos Villaverde-Taboada, Carmen Rodríguez-Cerdeira
Gut Inflammatory bowel disease (IBD) is a group of chronic gastrointestinal disorders characterised by relapsing and remitting inflammation of the gastrointestinal tract. The two most common types of IBDs are ulcerative colitis and Crohn's disease. Patients with glycogen storage disease (GSD) type Ia present with gastrointestinal symptoms such as recurrent abdominal pain, bloating and changes in stool form or frequency, which is clinically difficult to distinguish from IBD. We report the case of a 36-year-old man with GSD type Ia and IBD-like disease...
February 13, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29427058/characterization-of-functional-safety-and-probiotic-properties-of-enterococcus-faecalis-ag5-isolated-from-wistar-rat-demonstrating-adherence-to-hct-116-cells-and-gastrointestinal-survivability
#3
Alok Kumar Mishra, Asit Ranjan Ghosh
Gut microbiota remains a prominent source for a diverse range of potential probiotics. In this context, the current study explored the rectal region of experimental Wistar rat for the isolation of potent probiotic. Sixteen lactic acid bacteria (LAB), from rectal swab of Wistar rats, were subjected to evaluation of probiotic properties. Among all, AG5 was found unique with consistent probiotic properties and was further identified as Enterococcus faecalis AG5 (NCBI accession number KT248537) using 16S rDNA sequencing, followed by BLAST analysis...
February 9, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29427057/effects-of-probiotic-bacteria-bacillus-on-growth-performance-digestive-enzyme-activity-and-hematological-parameters-of-asian-sea-bass-lates-calcarifer-bloch
#4
Taida Juliana Adorian, Hadi Jamali, Hamed Ghafari Farsani, Paria Darvishi, Soleiman Hasanpour, Tahereh Bagheri, Reza Roozbehfar
This study was conducted to evaluate different doses of two species of Bacillus (Bacillus licheniformis and Bacillus subtilis), on growth parameters, chemical composition of fish, activity of liver, and digestive enzymes of Asian sea bass. During 8 weeks, juvenile Asian sea bass received diets supplemented with 1 × 103, 1 × 106, and 1 × 109 CFU g-1 probiotic in addition to a control diet without added microorganisms. At the end of the trial, growth indices (total weight, total length, specific growth rate, total weight gain, food conversion ratio, and condition factor), body composition (crude protein, crude lipid, ash, and dry matter), digestive enzymes (protease, lipase, and amylase), liver enzymes [aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP)], immunologic indicators (lysozyme), and hematological parameters [hematocrit (Hct), hemoglobin (Hb), red blood cells (RBCs), white blood cells (WBCs)] were assessed...
February 9, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29423898/a-novel-high-molecular-mass-bacteriocin-produced-by-enterococcus-faecium-biochemical-features-and-mode-of-action
#5
A S Vasilchenko, A V Vasilchenko, A V Valyshev, E A Rogozhin
Discovery of a novel bacteriocin is always an event in sciences, since cultivation of most bacterial species is a general problem in microbiology. This statement is reflected by the fact that number of bacteriocins is smaller for tenfold comparing to known antimicrobial peptides. We cultivated Enterococcus faecium on simplified medium to reduce amount of purification steps. This approach allows to purify the novel heavy weight bacteriocin produced by E. faecium ICIS 7. The novelty of this bacteriocin, named enterocin-7, was confirmed by N-terminal sequencing and by comparing the structural-functional properties with available data...
February 8, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29417475/enterocin-m-and-its-beneficial-effects-in-horses-a-pilot-experiment
#6
Andrea Lauková, Eva Styková, Ivana Kubašová, Soňa Gancarčíková, Iveta Plachá, Dagmar Mudroňová, Anna Kandričáková, Renata Miltko, Grzegorz Belzecki, Igor Valocký, Viola Strompfová
Probiotic bacteria or their antimicrobial proteinaceous substances called bacteriocins (enterocins) hold promising prophylactic potential for animal breeding. This study present the results achieved after application of Enterocin M in horses. Enterocin M has never been applied to horses before. Clinically healthy horses (10) were involved in this pilot experiment. They were placed in the stables of the University of Veterinary Medicine and Pharmacy, Košice, Slovakia, with the approval of the University Ethics Committee...
February 7, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29411244/strain-screening-from-traditional-fermented-soybean-foods-and-induction-of-nattokinase-production-in-bacillus-subtilis-mx-6
#7
Li-Li Man, Dian-Jun Xiang, Chun-Lan Zhang
The plasminogen-free fibrin plate assay method was used to isolate Bacillus subtilis MX-6, a strain with high production of nattokinase from Chinese douchi. The presence of aprN, a gene-encoding nattokinase, was verified with PCR method. The predicted amino acid sequence was aligned with homologous sequences, and a phylogenetic tree was constructed. Nattokinase was sublimated with ammonium sulfate, using a DEAE-Sepharose Fast Flow column, a CM-Sepharose Fast Flow column and a Sephadex G-75 gel filtration column...
February 6, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29411243/protective-efficacy-of-a-pseudoalteromonas-strain-in-european-abalone-haliotis-tuberculata-infected-with-vibrio-harveyi-orm4
#8
Clément Offret, Vincent Rochard, Hélène Laguerre, Jérôme Mounier, Sylvain Huchette, Benjamin Brillet, Patrick Le Chevalier, Yannick Fleury
The hemolymph of healthy marine invertebrates is known to harbor antibiotic-producing bacteria belonging to the genus Pseudoalteromonas. Such strains are potential probiotics to control infectious diseases in aquaculture. In the present study, we screened a collection of Pseudoalteromonas strains isolated from the hemolymph of oyster and mussel for antimicrobial activity against Vibrio harveyi, a pathogenic species responsible for high mortality in abalone. Subsequently, the protective efficacy of the most active strain named hCg-6 was investigated in abalone culture faced with a Vibrio harveyi ORM4 infection...
February 6, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29396844/evaluation-of-probiotic-potential-of-bacteriocinogenic-lactic-acid-bacteria-strains-isolated-from-meat-products
#9
Izildinha Moreno, Elza Teresinha Grael Marasca, Patrícia Blumer Zacarchenco Rodrigues de Sá, Josiane de Souza Moitinho, Miriam Gonçalves Marquezini, Márcia Regina Cucatti Alves, Renata Bromberg
In this study, the probiotic potential of five bacteriocin-producing lactic acid bacteria (LAB) strains, isolated from meat products, was investigated. They were presumptively identified as Lactococcus lactis subsp. cremoris CTC 204 and CTC 483, L. lactis subsp. hordinae CTC 484, and Lactobacillus plantarum CTC 368 and CTC 469 according to morphological, biochemical, and physiological characteristics. Analysis of genetic variability (random amplified polymorphic (RAPD)-PCR) and whole-cell proteins (SDS-PAGE) revealed similarity between Lactobacillus strains and variability among Lactococcus strains...
February 2, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29372539/assessment-of-plant-probiotic-performance-of-novel-endophytic-bacillus-sp-in-talc-based-formulation
#10
Jasim Basheer, Aswani Ravi, Jyothis Mathew, Radhakrishnan Edayileveettil Krishnankutty
Endophytic bacteria are considered to have a plethora of plant growth promoting and anti-phytopathogenic traits to live within the plants. Hence, they have immense promises for plant probiotic development. In the current study, plant probiotic endophytic Bacillus sp. CaB5 which has been previously isolated from Capsicum annuum was investigated for its performance in talc-based formulation. For this, CaB5 was made into formulation with sterile talc, calcium carbonate, and carboxymethyl cellulose. The viability analysis of the formulation by standard plate count and fluorescence methods has confirmed the stable microbial count up to 45 days...
January 25, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29362990/characterization-and-antibacterial-activity-against-helicobacter-pylori-of-lactic-acid-bacteria-isolated-from-thai-fermented-rice-noodle
#11
Sujitra Techo, Wonnop Visessanguan, Ratha-Korn Vilaichone, Somboon Tanasupawat
A total of 32 lactic acid bacteria (LAB) were isolated from Khanom-jeen, a Thai traditional fermented rice noodle. They belonged to the genus Leuconostoc (Ln), Lactobacillus (Lb), Enterococcus (E), Lactococcus (Lc), and Weissella (W), based on their phenotypic characteristics and 16S rRNA gene sequence analyses. The strains were identified as Ln. pseudomesenteroides (group 1, two strains), Ln. citreum (group 2, three strains), Ln. lactis (group 3, three strains), Lb. paracasei subsp. tolerans (group 4, two strains), E...
January 23, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29353415/investigation-of-lactic-acid-bacteria-isolated-from-giant-panda-feces-for-potential-probiotics-in-vitro
#12
Qian Liu, Xueqin Ni, Qiang Wang, Zhirong Peng, Lili Niu, Meiling Xie, Yicen Lin, Yi Zhou, Hao Sun, Kangcheng Pan, Bo Jing, Dong Zeng
The present study aimed to isolate an optimal lactic acid bacterial strain from the feces of healthy giant pandas. The strain exhibited good stability at low pH and high bile salt concentrations, activity against pathogens relevant to pandas, and antibiotic susceptibility. In the current study, 25 isolates were obtained from de Man, Rogosa, and Sharpe agar. Two (E21 and G83) and eight (E1, E2, E16, E18, E21, E69, E70, and G83) isolates demonstrated good performance at pH 2.0 and bile 2% (w/v), respectively...
January 20, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29353414/oral-administration-of-compound-probiotics-ameliorates-hfd-induced-gut-microbe-dysbiosis-and-chronic-metabolic-inflammation-via-the-g-protein-coupled-receptor-43-in-non-alcoholic-fatty-liver-disease-rats
#13
Yinji Liang, Shu Liang, Yupei Zhang, Yuanjun Deng, Yifang He, Yanning Chen, Chan Liu, Chenli Lin, Qinhe Yang
The aim of this study was to investigate how the effects of compound probiotics modulate the gut microbiota, short-chain fatty acid (SCFA), body composition, serum and liver lipids, and inflammatory markers in non-alcoholic fatty liver disease (NAFLD) rats. Twenty-four male SD rats were randomly divided into 3 groups: normal control group (standard feed), high-fat diet (HFD) feeding group (83% standard feed + 10% lard oil + 1.5% cholesterol + 0.5% cholate + 5% sucrose), and compound probiotics intervention group (HFD + 0...
January 20, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29318466/combined-or-individual-effects-of-dietary-probiotic-pediococcus-acidilactici-and-nucleotide-on-reproductive-performance-in-goldfish-carassius-auratus
#14
Nooshin Mehdinejad, Mohammad Reza Imanpour, Valiollah Jafari
This work evaluated the effect of dietary supplementation of probiotic, Pediococcus acidilactici and nucleotide (combined or individual) on reproductive performance including semen quality (motility and density) and egg indices (egg diameter, ovum diameter, absolute fecundity, relative fecundity, gonadosomatic index, hepatosomatic index, fertilization rate, and hatching rate) in goldfish (Carassius auratus). Fish (46.9 ± 2.15 g) were acclimatized and divided into eight experimental diets supplemented with P...
January 9, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29306983/identification-and-heterologous-expression-of-the-sec-dependent-bacteriocin-faerocin-mk-from-enterococcus-faecium-m3k31
#15
Sorina Chiorean, John C Vederas, Marco J van Belkum
Genome sequencing of Enterococcus faecium M3K31, a strain isolated from griffon vultures, previously revealed the presence of three sequences encoding for bacteriocins, namely enterocin P, enterocin HF, and a SRCAM 602-like bacteriocin. In this work, we describe the SRCAM 602-like bacteriocin that we named faerocin MK. Mature faerocin MK consists of 43 residues and contains an YGNGV-motif and two cysteine residues at positions 10 and 15, consistent with other class IIa bacteriocins. Faerocin MK and SRCAM 602 were chemically synthesized and their scope of activity was tested...
January 6, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29305686/effect-of-multi-microbial-probiotic-formulation-bokashi-on-pro-and-anti-inflammatory-cytokines-profile-in-the-serum-colostrum-and-milk-of-sows-and-in-a-culture-of-polymorphonuclear-cells-isolated-from-colostrum
#16
Ewa Laskowska, Łukasz Jarosz, Zbigniew Grądzki
The use of probiotics in sows during pregnancy and lactation and their impact on the quality of colostrum and milk, as well as the health conditions of their offspring during the rearing period, are currently gaining the attention of researchers. The aim of the study was to determine the effect of Bokashi formulation on the concentrations of pro- and anti-inflammatory cytokines in the serum of sows during pregnancy, in their colostrum and milk, and in a culture of Con-A-stimulated polymorphonuclear cells (PMNs) isolated from the colostrum...
January 5, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29297160/beneficial-protective-role-of-endogenous-lactic-acid-bacteria-against-mycotic-contamination-of-honeybee-beebread
#17
Irakli Janashia, Yvan Choiset, Damian Jozefiak, Franck Déniel, Emmanuel Coton, Ali Akbar Moosavi-Movahedi, Nina Chanishvili, Thomas Haertlé
The purpose of this article is to reveal the role of the lactic acid bacteria (LAB) in the beebread transformation/preservation, biochemical properties of 25 honeybee endogenous LAB strains, particularly: antifungal, proteolytic, and amylolytic activities putatively expressed in the beebread environment have been studied. Seventeen fungal strains isolated from beebread samples were identified and checked for their ability to grow on simulated beebread substrate (SBS) and then used to study mycotic propagation in the presence of LAB...
January 3, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29297159/in-vitro-characterization-of-lactic-acid-bacteria-isolated-from-bovine-milk-as-potential-probiotic-strains-to-prevent-bovine-mastitis
#18
Matías S Pellegrino, Ignacio D Frola, Berardo Natanael, Dino Gobelli, María E F Nader-Macias, Cristina I Bogni
Bovine mastitis causes economic losses on dairy farms worldwide. Lactic acid bacteria (LAB) in animal health are an alternative tool to avoid antibiotic therapy on the prevention of bovine mastitis. In previous studies, 12 LAB isolated from bovine milk were selected taking into account some of the following characteristics: hydrophobicity, auto aggregative capability, inhibition of indicator pathogens, hydrogen peroxide, and capsular polysaccharide production. These LAB were considered because of their beneficial properties...
January 2, 2018: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29285743/brazilian-kefir-fermented-sheep-s-milk-a-source-of-antimicrobial-and-antioxidant-peptides
#19
Meire Dos Santos Falcão de Lima, Roberto Afonso da Silva, Milena Fernandes da Silva, Paulo Alberto Bezerra da Silva, Romero Marcos Pedrosa Brandão Costa, José António Couto Teixeira, Ana Lúcia Figueiredo Porto, Maria Taciana Holanda Cavalcanti
Fermented milks are a source of bioactive peptides and may be considered as functional foods. Among these, sheep's milk fermented with kefir has not been widely studied and its most relevant properties need to be more thoroughly characterized. This research study is set out to investigate and evaluate the antioxidant and antimicrobial properties of peptides from fermented sheep's milk in Brazil when produced by using kefir. For this, the chemical and microbiological composition of the sheep's milk before and after the fermentation was evaluated...
December 28, 2017: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/29285742/characterisation-of-lactic-acid-bacteria-isolated-from-the-gut-of-cyprinus-carpio-that-may-be-effective-against-lead-toxicity
#20
Sib Sankar Giri, Jin Woo Jun, Saekil Yun, Hyoun Joong Kim, Sang Guen Kim, Jeong Woo Kang, Sang Wha Kim, Se Jin Han, Se Chang Park, V Sukumaran
The present study was conducted to isolate and characterise Pb-resistant lactic acid bacteria (LAB), and thus determine their potential for use as probiotics against Pb toxicity. A total of 107 Pb-resistant LAB strains were isolated from the gut content of Cyprinus carpio, of which 41 were established to be gram-positive and catalase-negative. Investigation of the Pb-binding ability of these isolated LAB identified seven strains (P2, P6, P7, P9, P16, P19 and P22) with comparatively high Pb-binding activities...
December 28, 2017: Probiotics and Antimicrobial Proteins
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