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Journal articles on the topic 'EPS-producing Bacteria'

Author: Grafiati

Published: 18 May 2024

Last updated: 31 July 2025

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1

Zhang, Shuang, and Lan Wei Zhang. "Effect of Exopolysaccharide Producing Lactic Acid Bacterial on the Gelation and Texture Properties of Yogurt." Advanced Materials Research 430-432 (January 2012): 890–93. http://dx.doi.org/10.4028/www.scientific.net/amr.430-432.890.

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Lactic acid bacterial play a important role in yogurt texture and gel quality. The performance of lactic acid bacteria starter directly affected the quality of yogurt. Exopolysaccharide (EPS)-producing LAB may improve the texture of fermented milks, depending on the strain. EPS production was found to have a major effect on the texture properties and gelation properties, but varying textures with EPS production, structure and interaction with milk proteins. Yoghurts fermented with EPS-producing cultures showed different mouth thickness and ropiness rheological parameters and varying syneresis

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Zennathara, Sadia Afrin, Mohammad Ali, Mohammad Nurul Islam, and Mihir Lal Saha. "Exopolysaccharide (EPS) Producing Bacteria of Sundarbans Mangrove Forest Soil." Plant Tissue Culture and Biotechnology 32, no. 2 (2022): 145–56. http://dx.doi.org/10.3329/ptcb.v32i2.63549.

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The present study was undertaken to investigate the exopolysaccharide (EPS) producing bacteria from Sundarbans Mangrove Forest (SMF) soil of Bangladesh. The pH and aerobic heterotrophic bacterial counts of the soil samples ranged from 5.83 to 7.77 and 0.87 × 107 to 7.2 × 107 cfu/g, respectively. Potential 18 EPS producing bacterial isolates were selected for detailed study among which 15 were provisionally identified as members of the genus Bacillus, 2 were recognized as Dinococcus sp. and another one as Micrococcus sp. The genus Bacillus includes 7 distinct species viz. B. stearothermophilus,

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Zennathara, Sadia Afrin, Mohammad Ali, Mohammad Nurul Islam, and Mihir Lal Saha. "Exopolysaccharide producing bacteria of Sundarban Mangrove Forest soil and their antibiotic sensitivity profile." Dhaka University Journal of Biological Sciences 32, no. 2 (2023): 243–55. http://dx.doi.org/10.3329/dujbs.v32i2.67683.

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This study focused on the investigation of Exopolysaccharide (EPS) producing bacteria from Sundarbans mangrove forest (SMF) soil, Bangladesh. The heterotrophic bacterial loads in the soil samples varied from 0.44×107 to 4.2×107 cfu/g indicating high bacterial load even under hostile environment. Fifteen EPS producing bacterial isolates were identified provisionally where thirteen isolates belonged to the genus Bacillus including B. badius (n=1, 6.67%), B. subtilis (n=3, 20.0%), B. pumilus (n=3, 20.0%), B. brevis (n=2, 13.33%), B. stearothermophilus (n=2, 13.33%), B. sphaericus (n=1, 6.67%) and

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Sree, Sudha. "A Study on Isolation and Identification of Exopolysaccharide (EPS) producing Bacteria from Soil." International Journal for Research in Applied Science and Engineering Technology 9, no. 12 (2021): 650–71. http://dx.doi.org/10.22214/ijraset.2021.39341.

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Abstract: Polysaccharides are important potent molecules with their structural and compositional complexity which led to wide range of applications in various industries. The exopolysaccharides of microbial origin are released in response to extreme environmental conditions for the purpose of survival. The present study focuses on the isolation of exopolysaccharide producing bacteria from the soil sample and oil contaminated soil sample. Screening for the EPS production by the isolates is determined by the dry weight determination of precipitates of EPS and quantitative estimation of glucose c

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H Patel, Vishal, Harsha P Soni, and Falguni R Patel. "Isolation, Screening and Molecular Characterization of Exopolysaccharide Producing Moderately Halotolerant Bacteria from Various Coastal Sites of Gujarat." Biosciences Biotechnology Research Asia 19, no. 1 (2022): 231–42. http://dx.doi.org/10.13005/bbra/2981.

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The exopolysaccharides (EPSs) are natural polymers of carbohydrates and are excreted by some bacteria outside of their cell walls. The microbial EPS have several biotechnological applications viz. cosmetics, textiles, pharmaceuticals, agriculture, paints and petroleum industries. The wide range of applications and bioactive roles of EPS has triggered increased interest for search unusual and novel EPS.The bacteria from marine ecosystem are also known to secrete novel EPSs. In this context, the main objective of this research is isolation, screening of most potent culturable EPS producing halot

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Gunasekaran, Yazhini, Subramaniam Thiyageshwari, Manikandan Ariyan, et al. "Alleviation of Sodic Stress in Rice by Exploring the Exopolysaccharide-Producing Sodic-Tolerant Bacteria." Agriculture 12, no. 9 (2022): 1451. http://dx.doi.org/10.3390/agriculture12091451.

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Sodicity is one of the major salt stresses that impair crop production. Exopolysaccharide-producing sodic tolerant bacteria (EPS-STB) play a significant role in reducing the sodic stress in plants by hampering the uptake of sodium. In this context, this study aims to isolate the EPS-STB for alleviating sodic stress in rice under a sodic environment. Thus, artificial sodicity was created in culture media, and 253 bacteria were isolated from the rice rhizosphere of sodic soils in Trichy and Chinna Salem of Tamil Nadu in India. Fifty bacterial isolates were initially screened based on EPS product

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MENAGA, M., S. FELIX, C. MOHANASUNDARI, and M. CHARULATHA. "Isolation, characterization and performance of extra cellular polymer substances (EPS) producing bacteria from biofloc culture water of Nile tilapia using distillery spentwash as carbon source." Indian Journal of Animal Sciences 90, no. 5 (2020): 819–23. http://dx.doi.org/10.56093/ijans.v90i5.104640.

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The present study aimed to isolate and characterize the Extracellular polymeric substance (EPS) producing bacteria from biofloc reared Nile tilapia (Chitralada) ponds. Distillery spentwash was used as a carbon source to maintain the C: N ratio at 10: 1 in the fish culture ponds and screening of bacteria were done fortnightly in 180 days culture. Out of 38 bacterial isolates, 7 isolates were found to produce EPS. Based on 16s rRNA sequence analysis the isolates were identified as Bacillus subtilis, B. megaterium, B. infantis, B. cereus, Pseudomonas balearica, P. mendocina and P. alcaligenes. Th

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Provencher, Cathy, GisÃ¯Â¿Â½le LaPointe, StÃ¯Â¿Â½phane Sirois, Marie-Rose Van Calsteren, and Denis Roy. "Consensus-Degenerate Hybrid Oligonucleotide Primers for Amplification of Priming Glycosyltransferase Genes of the Exopolysaccharide Locus in Strains of the Lactobacillus casei Group." Applied and Environmental Microbiology 69, no. 6 (2003): 3299–307. http://dx.doi.org/10.1128/aem.69.6.3299-3307.2003.

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ABSTRACT A primer design strategy named CODEHOP (consensus-degenerate hybrid oligonucleotide primer) for amplification of distantly related sequences was used to detect the priming glycosyltransferase (GT) gene in strains of the Lactobacillus casei group. Each hybrid primer consisted of a short 3′ degenerate core based on four highly conserved amino acids and a longer 5′ consensus clamp region based on six sequences of the priming GT gene products from exopolysaccharide (EPS)-producing bacteria. The hybrid primers were used to detect the priming GT gene of 44 commercial isolates and reference

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9

Biswas, Jhuma, and A. K. Paul. "Production of Extracellular Polymeric Substances by Halophilic Bacteria of Solar Salterns." Chinese Journal of Biology 2014 (August 6, 2014): 1–12. http://dx.doi.org/10.1155/2014/205731.

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Moderately halophilic aerobic bacteria were isolated from 31 soil and 18 water samples collected from multipond solar salterns of Gujarat, Orissa, and West Bengal, India. A total of 587 bacterial isolates with distinct morphological features were obtained from these samples following dilution and plating on MH agar medium supplemented with NaCl. The isolates were screened for growth associated extracellular polymeric substances (EPS) production in MY medium under batch culture. In all, 20 isolates were selected as potent ones producing more than 1 g/L of EPS. These EPS producing isolates were

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Peterson, Brandon W., Henk J. Busscher, Prashant K. Sharma, and Henny C. van der Mei. "Visualization of Microbiological Processes Underlying Stress Relaxation inPseudomonas aeruginosaBiofilms." Microscopy and Microanalysis 20, no. 3 (2014): 912–15. http://dx.doi.org/10.1017/s1431927614000361.

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AbstractBacterial biofilms relieve themselves from external stresses through internal rearrangement, as mathematically modeled in many studies, but never microscopically visualized for their underlying microbiological processes. The aim of this study was to visualize rearrangement processes occurring in mechanically deformed biofilms using confocal-laser-scanning-microscopy after SYTO9 (green-fluorescent) and calcofluor-white (blue-fluorescent) staining to visualize bacteria and extracellular-polymeric matrix substances, respectively. We apply 20% uniaxial deformation toPseudomonas aeruginosab

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11

Guérin, Marie, Christine Robert-Da Silva, Cyrielle Garcia, and Fabienne Remize. "Lactic Acid Bacterial Production of Exopolysaccharides from Fruit and Vegetables and Associated Benefits." Fermentation 6, no. 4 (2020): 115. http://dx.doi.org/10.3390/fermentation6040115.

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Microbial polysaccharides have interesting and attractive characteristics for the food industry, especially when produced by food grade bacteria. Polysaccharides produced by lactic acid bacteria (LAB) during fermentation are extracellular macromolecules of either homo or hetero polysaccharidic nature, and can be classified according to their chemical composition and structure. The most prominent exopolysaccharide (EPS) producing lactic acid bacteria are Lactobacillus, Leuconostoc, Weissella, Lactococcus, Streptococcus, Pediococcus and Bifidobacterium sp. The EPS biosynthesis and regulation pat

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12

Laraib, Fizza, Rahmeen Rauf, Rimsha Dilshad, Nazia Jameel, and Rida Batool. "Characterization of Halophilic Bacteria Isolated from Khewra Salt Mines." Lahore Garrison University Journal of Life Sciences 6, no. 02 (2022): 133–47. http://dx.doi.org/10.54692/lgujls.2022.0602214.

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Halophilic bacteria can populate every niche of earth. These halophiles have a great potential of exopolysaccharides production that is of considerable importance in various industries. To screen EPS producing halophiles, saline soil samples were collected from Khewra salt mines, Jehlum, Pakistan. Twenty-two morphologically different bacterial strains were isolated by serial dilution method. All strains were considered as moderate halophilic bacteria as they could grow at 3-15% of NaCl concentration whereas only three strains could grow at 15% of NaCl, which belonged to the genus Bacillus and

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13

Tieking, Markus, Maher Korakli, Matthias A. Ehrmann, Michael G. Gänzle, and Rudi F. Vogel. "In Situ Production of Exopolysaccharides during Sourdough Fermentation by Cereal and Intestinal Isolates of Lactic Acid Bacteria." Applied and Environmental Microbiology 69, no. 2 (2003): 945–52. http://dx.doi.org/10.1128/aem.69.2.945-952.2003.

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ABSTRACT EPS formed by lactobacilli in situ during sourdough fermentation may replace hydrocolloids currently used as texturizing, antistaling, or prebiotic additives in bread production. In this study, a screening of >100 strains of cereal-associated and intestinal lactic acid bacteria was performed for the production of exopolysaccharides (EPS) from sucrose. Fifteen strains produced fructan, and four strains produced glucan. It was remarkable that formation of glucan and fructan was most frequently found in intestinal isolates and strains of the species Lactobacillus reuteri, Lactobacillu

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14

Hassan, Ashraf N., Milena Corredig, Joseph F. Frank, and Morsi Elsoda. "Microstructure and rheology of an acid-coagulated cheese (Karish) made with an exopolysaccharide-producing Streptococcus thermophilus strain and its exopolysaccharide non-producing genetic variant." Journal of Dairy Research 71, no. 1 (2004): 116–20. http://dx.doi.org/10.1017/s0022029903006605.

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The objective of this research was to determine the effect of exopolysaccharide (EPS) production by lactic acid bacteria on the microstructure and rheology of Karish cheese, a soft acid coagulated cheese made using skim milk. An EPS-producing strain of Streptococcus thermophilus, and its EPS non-producing genetic variant were used to make comparable batches of the cheese. EPS in cheese was visualized by cryo-SEM as a large, dense, filamentous mass. Cheese made with the EPS non-producing culture was characterized by a dense protein network with smaller pores compared to that prepared with the E

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15

Gouveia, Joao D., Jie Lian, Georg Steinert, et al. "Associated bacteria of Botryococcus braunii (Chlorophyta)." PeerJ 7 (March 27, 2019): e6610. http://dx.doi.org/10.7717/peerj.6610.

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Botryococcus braunii (Chlorophyta) is a green microalga known for producing hydrocarbons and exopolysaccharides (EPS). Improving the biomass productivity of B. braunii and hence, the productivity of the hydrocarbons and of the EPS, will make B. braunii more attractive for industries. Microalgae usually cohabit with bacteria which leads to the formation of species-specific communities with environmental and biological advantages. Bacteria have been found and identified with a few B. braunii strains, but little is known about the bacterial community across the different strains. A better knowled

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16

Cheba, Ben Amar, and H. M. A. Abdelzaher. "Chetoui Olive Cultivar Rhizosphere: Potential Reservoir for Exoenzymes and Exopolysaccharides Producing Bacteria." Journal of Pure and Applied Microbiology 14, no. 4 (2020): 2569–75. http://dx.doi.org/10.22207/jpam.14.4.32.

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Rhizospheric soils from cultivated olive (Olea europaea) trees of Chemlali, Chetoui, Quaissi, and Djalat cultivars were assessed for their bacterial abundance and diversity and were further screened for production of exopolysaccharides and exoenzymes (cellulase, chitinase, amylase, protease, lipase, and peroxidase). The results of the present study indicate that Chetoui cultivar revealed higher diversity, followed by Chemlali > Quaissi > Djalat, wherein, bacilli, enteric bacteria, and pseudomonads were abundantly present as specific bacterial groups associated with the Chetoui rhizospher

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A.B, Chudiwal. "OPTIMIZATION OF PHYSIOLOGICAL PARAMETERS FOR EXOPOLYSACCHARIDE PRODUCTION USING Pseudomonas aeruginosa MSSRFV42." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 05 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem32792.

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Exopolysaccharides (EPS) are long-chain polysaccharides containing branched, repeating units of sugars or sugar derivatives such as glucose, fructose, mannose and galactose etc, which are secreted into their surrounding environment during the bacterial growth. Due to their unique properties and vast array of application, isolation and study of new EPS producing microbes is highly concerned issue. In the present study potent exopolysaccharide producing AB4 bacteria (Pseudomonas aeruginosa MSSRFV42) which was previously isolated and screened from marine sample was used. To increase the yield of

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Ren, Z., D. Kim, A. J. Paula, et al. "Dual-Targeting Approach Degrades Biofilm Matrix and Enhances Bacterial Killing." Journal of Dental Research 98, no. 3 (2019): 322–30. http://dx.doi.org/10.1177/0022034518818480.

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Biofilm formation is a key virulence factor responsible for a wide range of infectious diseases, including dental caries. Cariogenic biofilms are structured microbial communities embedded in an extracellular matrix that affords bacterial adhesion-cohesion and drug tolerance, making them difficult to treat using conventional antimicrobial monotherapy. Here, we investigated a multitargeted approach combining exopolysaccharide (EPS) matrix-degrading glucanohydrolases with a clinically used essential oils–based antimicrobial to potentiate antibiofilm efficacy. Our data showed that dextranase and m

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Priyadharshini, Dr S. "Production and Characterization of Exopolysaccharide extracted from bacteria isolated in homemade and packed Idli batter." International Journal for Research in Applied Science and Engineering Technology 9, no. VI (2021): 1309–24. http://dx.doi.org/10.22214/ijraset.2021.35247.

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Diverse exopolysaccharide (EPS)-producing isolates were isolated from an Indian acidic fermented food (Idli) based on the colony morphology. Lactic acid bacteria are non-pathogenic organism widely distributed in nature typically involved in a large number of spontaneous food fermentation. One of the EPS-producing micro flora was selected for further characterization using FT-IR, SEM, TGA and XRD analysis. The effect of pH, salt and temperature on the yellow pigment were studied and these parameters are gently influence the growth of bacterial isolates. In pH the maximum yield of biomass were o

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Habib, Sabiha. "Screening of Bacteria for Biosurfactants, Exopolysaccharides and Biofilms and their Impact on Growth Stimulation of Zea mays Grown under Petrol Stress." International Journal of Agriculture and Biology 26, no. 02 (2021): 309–16. http://dx.doi.org/10.17957/ijab/15.1839.

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Environmental stress imposed by petroleum hydrocarbons can compensate by use of auxin-producing bacteria having potential for biosurfactants production, to assist improved plants’ growth in petrol contaminated areas. In the present work, four auxin-producing bacteria were screened for biosurfactants, exopolysaccharides (EPS) and biofilms production capability. We hypothesized that Enterobacter sp. (A5C) was the most efficient strain with respect to biosurfactant production and can accumulate EPS as well as biofilms. This strain was attributed to exhibit emulsification index, percentage of hydr

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Mburu, Ann Wairimu, Josphat Igadwa Mwasiagi, and Joseph Kinyanjui Muiruri. "Influence of gin trash bacteria broth treatment on cotton fibres." Research Journal of Textile and Apparel 24, no. 3 (2020): 267–80. http://dx.doi.org/10.1108/rjta-10-2019-0051.

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Purpose Bacterial exopolysaccharides (eps) have fascinating chemical compositions, properties and structures which could be used in the modification of natural fibres. Bacterial eps have therefore been used to modify plant cellulose fibre surface and impart desired properties. The purpose of this paper is therefore to investigate the influence of gin trash cultured bacteria eps on the physical and structural properties of cotton fibres. Design/methodology/approach Gin trash soil sample was collected from a ginnery in Kenya, and physiochemical and microbial characterization was done. The soil s

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Paulo, Elinalva Maciel, Murilo Pinho Vasconcelos, Ivelise Santiago Oliveira, et al. "An alternative method for screening lactic acid bacteria for the production of exopolysaccharides with rapid confirmation." Food Science and Technology 32, no. 4 (2012): 710–14. http://dx.doi.org/10.1590/s0101-20612012005000094.

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The accumulation of exopolysaccharides (EPS) produced by microorganisms occurs in the presence of excess substrate and limiting conditions of elements that are essential to growth, such as nitrogen, phosphorus, sulfur, and magnesium. The presence of EPS produced by bacterial cells contributes to slime colonies formation in solid medium and increased viscosity in liquid medium. This paper proposes an alternative method for screening EPS-producing lactic acid bacteria using solid medium-containing discs of filter paper that are saturated with active cultures. The screening was carried out under

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Kabir, A., U. Shamsuddeen, and A. M. Magashi. "Screening For Potential Exopolysaccharide Producers from Lactobacillus spp Isolated From Locally Fermented Milk (Nono)." UMYU Journal of Microbiology Research (UJMR) 7, no. 1 (2022): 89–98. http://dx.doi.org/10.47430/ujmr.2271.014.

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Exopolysaccharides (EPS) are exogenous bacterial sugar polymers with many applications in dairy, pharmaceutical and cosmetic industries, using it as thickeners, stabilizers, and gelling agents. The study aimed to screen for potential exopolysaccharide producers from Lactobacillus spp. isolated from locally fermented milk (nono). Twenty-five nono Samples were collected from Wambai market, Kano. Lactic acid bacteria were isolated using de Man Ragosa and Sharpe Agar. Isolates were identified by API 50 CHL kit and web and screened for EPS production in which the EPS was extracted and quantified us

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Mazhar, Sumaira, and Umer Saleem. "Efficacy of Exopolysaccharide (EPS) Producing Chromium Resistant Bacteria in the Removal of Chromium from Wastewater." Scientific Inquiry and Review 8, no. 1 (2024): 17–34. http://dx.doi.org/10.32350/sir.81.02.

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The contamination of heavy metals has caused major health risks, which has particularly led to toxicological manifestations, causing ailments and diseases like irritation of the skin and lungs that can cause nausea and vomiting. Heavy metals; therefore, impart hazardous effects on overall human health due to their potential to accumulate in the living tissues through the food chain mechanism. Conventional remediation strategies have become a challenge to resolve the rising issues of heavy metals. Among different heavy metals, chromium gained much attention due to its prevalence in different ox

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Boke, Hatice, Belma Aslim, and Gulcin Alp. "The role of resistance to bile salts and acid tolerance of exopolysaccharides (EPSS) produced by yogurt starter bacteria." Archives of Biological Sciences 62, no. 2 (2010): 323–28. http://dx.doi.org/10.2298/abs1002323b.

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The aim of this study was to investigate a possible relation between EPS production and resistance to bile salts and tolerance to low pH. Eight strains which produced the highest and lowest amount of EPS (16- 211mg/l) were selected among 54 bacteria isolated from yogurt. Additionally, they were tested for resistance to bile salts (0.15, 0.3 %) and tolerance to low pH (2.0-3.0). After treatment with bile salts and acid, viable bacteria (log cfu ml-1) were determined by surface plating. The high EPS producing strains (B3, G12, W22) showed a significant (P<0.05) protective effect against low p

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Behare, Pradip, Rameshwar Singh, and Rudrapratap P. Singh. "Exopolysaccharide-producing mesophilic lactic cultures for preparation of fat-free Dahi – an Indian fermented milk." Journal of Dairy Research 76, no. 1 (2009): 90–97. http://dx.doi.org/10.1017/s0022029908003865.

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Forty seven exopolysaccharide (EPS) producing mesophilic lactic acid bacteria have been isolated from Dahi and raw milk and selected cultures were evaluated for their influence on rheological and sensory properties of fat-free Dahi. Two isolates namely B-6 and KT-24 that showed promising technological attributes were identified as Lc. lactis subsp. lactis strains. B-6 produced 184±2 mg/l EPS in deproteinized whey medium compared with 193±1 mg/l by KT-24. EPS produced by B-6 was a heteropolysaccharide (consisting of glucose and mannose, 1:7·4) with molecular weight of 3·0×104 Da whereas KT-24 E

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Yang, Xiaoyu, Jiao Feng, Qianqian Zhu, Rui Hong, and Liang Li. "A Relation between Exopolysaccharide from Lactic Acid Bacteria and Properties of Fermentation Induced Soybean Protein Gels." Polymers 14, no. 1 (2021): 90. http://dx.doi.org/10.3390/polym14010090.

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Exopolysaccharide (EPS) producing lactic acid bacteria (LAB) is considered to be an effective texture improver. The effect of LAB strains (different EPS production capacity) on physicochemical properties (texture profile, water distribution, rheological properties, and microstructure), protein conformation, and chemical forces of soybean protein gel was investigated. Correlations between EPS yield and gel properties were established. Large masses of EPS were isolated from L. casei fermentation gel (L. casei-G, 677.01 ± 19.82 mg/kg). Gel with the highest hardness (319.74 ± 9.98 g) and water hol

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Prete, Roberta, Mohammad Khairul Alam, Giorgia Perpetuini, Carlo Perla, Paola Pittia, and Aldo Corsetti. "Lactic Acid Bacteria Exopolysaccharides Producers: A Sustainable Tool for Functional Foods." Foods 10, no. 7 (2021): 1653. http://dx.doi.org/10.3390/foods10071653.

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Lactic acid bacteria (LAB) used in the food industry, mainly for the production of dairy products, are able to synthetize exopolysaccharides (EPS). EPS play a central role in the assessment of rheological and sensory characteristics of dairy products since they positively influence texture and organoleptic properties. Besides these, EPS have gained relevant interest for pharmacological and nutraceutical applications due to their biocompatibility, non-toxicity and biodegradability. These bioactive compounds may act as antioxidant, cholesterol-lowering, antimicrobial and prebiotic agents. This r

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Wang, Hui, Xinyuan Zhang, Xinfang Kou, Zhengyuan Zhai, and Yanling Hao. "A Ropy Exopolysaccharide-Producing Strain Bifidobacterium pseudocatenulatum Bi-OTA128 Alleviates Dextran Sulfate Sodium-Induced Colitis in Mice." Nutrients 15, no. 23 (2023): 4993. http://dx.doi.org/10.3390/nu15234993.

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Inflammatory bowel disease (IBD) is a chronic disease associated with overactive inflammation and gut dysbiosis. Owing to the beneficial effects of bifidobacteria on IBD treatment, this study aimed to investigate the anti-inflammation effects of an exopolysaccharide (EPS)-producing strain Bifidobacterium pseudocatenulatum Bi-OTA128 through a dextran sulfate sodium (DSS)-induced colitis mice model. B. pseudocatenulatum treatment improved DSS-induced colitis symptoms and maintained intestinal barrier integrity by up-regulating MUC2 and tight junctions’ expression. The oxidative stress was reduce

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Zykwinska, Agata, Laëtitia Marchand, Sandrine Bonnetot, Corinne Sinquin, Sylvia Colliec-Jouault, and Christine Delbarre-Ladrat. "Deep-sea Hydrothermal Vent Bacteria as a Source of Glycosaminoglycan-Mimetic Exopolysaccharides." Molecules 24, no. 9 (2019): 1703. http://dx.doi.org/10.3390/molecules24091703.

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Bacteria have developed a unique strategy to survive in extreme environmental conditions through the synthesis of an extracellular polymeric matrix conferring upon the cells a protective microenvironment. The main structural component of this complex network constitutes high-molecular weight hydrophilic macromolecules, namely exopolysaccharides (EPS). EPS composition with the presence of particular chemical features may closely be related to the specific conditions in which bacteria evolve. Deep-sea hydrothermal vent bacteria have already been shown to produce EPS rich in hexosamines and uroni

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Tandel, Nirali, and Farida P. Minocheherhomji. "Optimization of process parameters for exopolysaccharide production by submerge fermentation using Bacillus licheniformis KP062r." South Asian Journal of Experimental Biology 14, no. 4 (2025): 178–85. https://doi.org/10.38150/sajeb.14(4).p178-185.

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The increased demand for natural polymers has spurred interest in microbial exopolysaccharide (EPS) production for various industrial applications, and as EPS production is influenced by medium composition and environmental conditions, the study of these factors has become a crucial focus in recent years. This study focused on screening, production, and optimization of process parameters to achieve a high EPS yield. Industrial effluent samples were collected from Valsad, Vapi, Daman, Silvassa and Surat region. Total 100 Bacteria were isolated from which 58 were screened positive in primary scr

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Özer, Elif. "Characteristics of apricot yogurt fermented with different culture straıns and stevıa." Italian Journal of Food Science 36, no. 3 (2024): 151–63. http://dx.doi.org/10.15586/ijfs.v36i3.2584.

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This study evaluated the effects of exopolysaccharide (EPS)-producing and non-EPS-producing culture varieties and the enriching of apricot pulp to the post-acidification process and microbiological, viscosity, antioxidant, and sensory properties of yogurt. Two groups of yogurts were produced in terms of culture variety. One of the yogurts in both groups was enriched with apricot pulp at a ratio of 10%. The natural sweetener, stevia, was added at a ratio of 0.1% to all yogurts. The lowest pH and highest acidity values were determined for the non-EPS sample produced without apricot pulp. The dry

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Sheeja, Leela, Gouthami M, R. Jayapriyan K, and Shenbhagaraman R. "Photocatalytic Dye Degradation Potential of Silver Nanocomposite from Exo-polysaccharide of Bacillus sp., An Associative Bacterium of Sargassum wightii." Indian Journal of Science and Technology 16, no. 47 (2023): 4481–89. https://doi.org/10.17485/IJST/v16i47.1760.

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Abstract <strong>Objectives:</strong> Screening, production, and characterization of exopolysaccharides (EPSs) from Bacillus sp., an associative bacteria isolated from marine seaweed Sargassum. To synthesize and characterize silver nanocomposites using EPS isolated from Bacillus sp. and to evaluate their application in dye degradation. <strong>Methods:</strong> Seaweed-associated bacteria were isolated from Sargassum wightii by serial dilution and pour plate method. The colonies capable of producing exopolysaccharides on YMG agar plates were purified and identified up to the Gen

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Karrar . K . Hashim, Khalid A. Hussein, and Najeh H. Kadhum. "Role of exopolysacharide bacteria in improving the tolerance of Zea mays (L.) Seedlings to drought stress." Journal of Kerbala for Agricultural Sciences 11, no. 4 (2024): 154–71. https://doi.org/10.59658/jkas.v11i4.2800.

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In this study, 20 Bacillus and 20 Pseudomonas bacteria were isolated from arid and semiarid soil samples. Bacillus and Pseudomonas bacteria are soil-dwelling bacteria that can promote plant growth. They are known to produce exopolysaccharides (EPS), which can help plants retain water and tolerate drought stress. The isolates were morphologically and microscopically characterized and tested for their ability to produce exopolysaccharides. The isolates that were most capable of producing exopolysaccharides were used as biofertilizer to improve drought tolerance of maize seedlings. The seedlings

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M, Bhavana M., and Vidya Prabhakar K. "Antibiofilm Activity of the Methanolic Extract of Nutmeg Oil against Bacillus subtilis." Asian Pacific Journal of Health Sciences 9, no. 4 (2022): 6–12. http://dx.doi.org/10.21276/apjhs.2022.9.4.02.

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Biofilm is formed by one or different types of microbes that can grow on different surfaces. Bacteria, fungi, and many protists can form biofilms. Biofilm formation requires cell to cell signaling mechanism which is defined as quorum sensing. In this work, we have studied about the antibiofilm activity of methanolic extract of nutmeg against Gram-positive Bacillus subtilis bacteria. Our test extract inhibited biofilm production as well as eradication of pre-formed biofilm in B. subtilis. Extracellular polymeric substance (EPS) is the biopolymer of microbial origin in which biofilm producing mi

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Mu'minah, Mu'minah, Junyah Leli Isnaini, Baso Darwisah, et al. "EFEKTIFITAS BIOAMELIORAN SEBAGAI PEMBENAH TANAH PADA TANAMAN CABAI KERITING (Capsicum annuum L.)." Agroplantae: Jurnal Ilmiah Terapan Budidaya dan Pengelolaan Tanaman Pertanian dan Perkebunan 12, no. 2 (2023): 192–99. http://dx.doi.org/10.51978/agro.v12i2.701.

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So far, the function of EPS-producing bacteria has not been optimal. In this research, tests were carried out to find out and see the role of EPS-producing bacteria on plant growth as a biological fertilizer that can increase soil fertility, because EPS-producing bacteria can dissolve phosphate and fix nitrogen, EPS bacteria also produce IAA auxin. and also used as an active soil enhancer (Bioamelioran). This research aims to see and determine the effect of various concentrations of Bioameliorant (soil enhancer) and organic materials on the growth of curly red chili plants. This research used

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Le, Thi Hue, Hoang Tuan Dinh, Mai Huong Le, Cong Tinh Nguyen, and Quang Cuong Hoang. "Characterization and exopolysaccharide production of Bacillus velezensis DTA1 from Vietnamese atoll soil." Journal of Degraded and Mining Lands Management 12, no. 4 (2025): 8305–14. https://doi.org/10.15243/jdmlm.2025.124.8305.

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Exopolysaccharides (EPS) and salt-tolerant, EPS-producing bacteria have attracted increasing attention due to their diverse applications across various fields. This study investigated the characteristics and EPS production potential of Bacillus velezensis DTA1, a salt-tolerant, EPS-producing strain isolated from coral island soil in Vietnam. Strain DTA1 demonstrated notable versatility in utilizing various carbon sources and exhibited a wide tolerance range to temperature, pH, and NaCl concentrations. Response Surface Methodology (RSM) was employed to optimize the culture conditions, resulting

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Surber, Georg, Susann Mende, Doris Jaros, and Harald Rohm. "Clustering of Streptococcus thermophilus Strains to Establish a Relation between Exopolysaccharide Characteristics and Gel Properties of Acidified Milk." Foods 8, no. 5 (2019): 146. http://dx.doi.org/10.3390/foods8050146.

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In situ produced extracellular polysaccharides (EPS) from lactic acid bacteria are generally known to affect the texture of fermented dairy products; however, the interplay between EPS and product properties is still poorly understood. The aim of this study was to establish a relationship between concentration and properties of EPS, and gel formation of milk analysed by noninvasive Multispeckle Diffusing Wave Spectroscopy. Twenty Streptococcus thermophilus strains were classified with respect to EPS concentration (8–126 mg GE/kg) and ropiness (thread length: 15–80 mm). Five groups identified b

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Amrutha, TA, and AK Beena. "Microbial Exopolysaccharides: A Promising Health Booster." Journal of Phytopharmacology 12, no. 4 (2023): 265–71. http://dx.doi.org/10.31254/phyto.2023.12409.

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Microbial exopolysaccharides (EPS) are long-chain polysaccharides that are synthesized and secreted by microorganisms into the external matrix. In bacteria, EPS can either be associated with the cell surface in the form of capsules or be secreted into the environment. The yield of EPS is influenced by various factors, including the growth conditions and composition of the growth media. EPSs are high molecular-weight carbohydrates that consist of a backbone of repeated subunits of monosaccharides in varying ratios. Recently, there has been an increasing interest in EPS-producing microbes with G

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Ilyas, Noshin, Komal Mumtaz, Nosheen Akhtar, et al. "Exopolysaccharides Producing Bacteria for the Amelioration of Drought Stress in Wheat." Sustainability 12, no. 21 (2020): 8876. http://dx.doi.org/10.3390/su12218876.

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This research was designed to elucidate the role of exopolysaccharides (EPS) producing bacterial strains for the amelioration of drought stress in wheat. Bacterial strains were isolated from a farmer’s field in the arid region of Pakistan. Out of 24 isolated stains, two bacterial strains, Bacillus subtilis (Accession No. MT742976) and Azospirillum brasilense (Accession No. MT742977) were selected, based on their ability to produce EPS and withstand drought stress. Both bacterial strains produced a good amount of EPS and osmolytes and exhibited drought tolerance individually, however, a combina

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van Workum, Wilbert A. T., Sophie van Slageren, Anton A. N. van Brussel, and Jan W. Kijne. "Role of Exopolysaccharides of Rhizobium leguminosarum bv. viciae as Host Plant-Specific Molecules Required for Infection Thread Formation During Nodulation of Vicia sativa." Molecular Plant-Microbe Interactions® 11, no. 12 (1998): 1233–41. http://dx.doi.org/10.1094/mpmi.1998.11.12.1233.

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Mutants of Rhizobium leguminosarum bv. viciae bacteria that are affected in the biosynthesis of exopolysaccharides (EPS) are unable to effectively nodulate their host plants. By studying defined mutants, we show that R. legumi-nosarum bv. viciae strains require EPS for formation of infection threads in Vicia sativa (vetch) as well as for efficient induction of tight root hair curling. Results of coinoculation experiments with the EPS-deficient pssD111 mutant of R. leguminosarum bv. viciae in combination with heterologous EPS-producing strains indicated that vetch has certain structural require

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Xue, Zhanfang, Shuting Zhao, Nomin Bold, et al. "Screening and Characterization of Two Extracellular Polysaccharide-Producing Bacteria from the Biocrust of the Mu Us Desert." Molecules 26, no. 18 (2021): 5521. http://dx.doi.org/10.3390/molecules26185521.

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The extracellular polysaccharide (EPS) matrix embedding microbial cells and soil particles plays an important role in the development of biological soil crusts (BSCs), which is widely recognized as beneficial to soil fertility in dryland worldwide. This study examined the EPS-producing bacterial strains YL24-1 and YL24-3 isolated from sandy soil in the Mu Us Desert in Yulin, Shaanxi province, China. The strains YL24-1 and YL24-3 were able to efficiently produce EPS; the levels of EPS were determined to be 257.22 μg/mL and 83.41 μg/mL in cultures grown for 72 h and were identified as Sinorhizob

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Uranga, Jone, Mª Goretti Llamas, Ziortza Agirrezabala, et al. "Compression Molded Soy Protein Films with Exopolysaccharides Produced by Cider Lactic Acid Bacteria." Polymers 12, no. 9 (2020): 2106. http://dx.doi.org/10.3390/polym12092106.

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Two exopolysaccharide (EPS)-producing lactic acid bacteria (LAB) strains, Liquorilactobacillus (L.) sp CUPV281 and Liquorilactobacillus (L.) mali CUPV271, were isolated from Spanish apple must. Each of the strains produced a dextran, with different branching degrees, to be incorporated into soy protein isolate (SPI) film-forming formulations. Films were prepared by compression molding, a more rapid processing method than solution casting and, thus, with a greater potential for scaling-up production. Thermal analysis showed that SPI and EPS start the degradation process at temperatures above 19

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Bello, O. O., F. T. Martins, T. K. Bello, et al. "Occurrence and Role of Bacterial Biofilms in Different Systems." Acta Microbiologica Bulgarica 39, no. 3 (2023): 239–48. http://dx.doi.org/10.59393/amb23390304.

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Bacterial biofilms are complex communities of bacteria that adhere to surfaces, including living tissues, and form a protective matrix of extracellular polymeric substances (EPS). Biofilms are widespread and play crucial roles in various processes, such as nutrient cycling, bioremediation, and biofouling. They have significant implications for public health. Biofilms provide an ideal environment for bacteria to exchange genetic material, including resistance genes, via horizontal gene transfer mechanisms such as conjugation, transformation, and transduction. Moreover, biofilms can protect bact

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Akeel, Raid Al, Helal F. Hetta, Sahira Nsayef Muslim, Israa M. S. Al-Kadmy, and Sarah Naji Aziz. "Broad-Spectrum Bioactivity of Chitosan N-acetylglucosaminohydrolase (Chitosan NAGH) Extracted from Bacillus ligniniphilus." Journal of AOAC INTERNATIONAL 102, no. 4 (2019): 1221–27. http://dx.doi.org/10.5740/jaoacint.18-0363.

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Abstract Background: The genus Bacillus has species with strains that produce Chitosan N-acetylglucosaminohydrolase (NAGH), a hydrolytic enzyme. Objective: A novel bacterium, Bacillus ligniniphilus, was characterized as producing Chitosan NAGH. This study further examine its antibiofilm properties and its possible uses against biofilm-producing bacteria. Methods: Various sea soil samples were evaluated for the presence of Chitosan NAGH. The chosen isolate, Bacillus ligniniphilus 61, was then used to extract and purify Chitosan NAGH using precipitation in ammonium sulfate followed by polyethyle

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Netrusov, Alexander I., Elena V. Liyaskina, Irina V. Kurgaeva, Alexandra U. Liyaskina, Guang Yang, and Viktor V. Revin. "Exopolysaccharides Producing Bacteria: A Review." Microorganisms 11, no. 6 (2023): 1541. http://dx.doi.org/10.3390/microorganisms11061541.

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Bacterial exopolysaccharides (EPS) are essential natural biopolymers used in different areas including biomedicine, food, cosmetic, petroleum, and pharmaceuticals and also in environmental remediation. The interest in them is primarily due to their unique structure and properties such as biocompatibility, biodegradability, higher purity, hydrophilic nature, anti-inflammatory, antioxidant, anti-cancer, antibacterial, and immune-modulating and prebiotic activities. The present review summarizes the current research progress on bacterial EPSs including their properties, biological functions, and

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Sun, Xiaohui, Qingye Lu, Yaman Boluk, and Yang Liu. "The impact of cellulose nanocrystals on the aggregation and initial adhesion of Pseudomonas fluorescens bacteria." Soft Matter 10, no. 44 (2014): 8923–31. http://dx.doi.org/10.1039/c4sm00946k.

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Deposition on silica surfaces of twoPseudomonas fluorescensstrains (CHA0 and CHA19-WS) having different extracellular polymeric substance (EPS) producing capacities was studied in the absence and presence of cellulose nanocrystals (CNCs).

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Edelwinna, Tiara, Giyanto Giyanto, and Abdjad Asih Nawangsih. "Screening, genetic diversity of aiiA gene in AHL-lactonase producing bacteria and their potential to suppress the virulence factors of Ralstonia syzygii subsp. indonesiensis." Jurnal Hama dan Penyakit Tumbuhan Tropika 25, no. 2 (2025): 287–97. https://doi.org/10.23960/jhptt.225287-297.

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Ralstonia syzigii subsp. indonesiensis (Rsi) is a causal pathogen of Phylotype IV within the Ralstonia solanacearum species complex, commonly found in chili plants. This pathogenic bacterium uses a quorum sensing (QS) mechanism that relies on N-acyl homoserine lactone (AHL) signals to regulate the expression of virulence genes, such as those encoding exopolysaccharides (EPS). Biological control of Rsi can be achieved by disrupting its QS system. The aim of this study was to isolate AHL-lactonase-producing bacteria, analyze the genetic diversity of their aiiA gene, and evaluate their effectiven

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Latif, Muhammad, Syed Asad Hussain Bukhari, Abdullah A. Alrajhi, et al. "Inducing Drought Tolerance in Wheat through Exopolysaccharide-Producing Rhizobacteria." Agronomy 12, no. 5 (2022): 1140. http://dx.doi.org/10.3390/agronomy12051140.

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Wheat is the main staple food in the world, so it is the backbone of food security. Drought not only affects growth and development but also ultimately has a severe impact on the overall productivity of crop plants. Some bacteria are capable of producing exopolysaccharides (EPS) as a survival mechanism, along with other metabolites, which help them survive in stressful conditions. The present study was conducted with the aim of inducing drought stress tolerance in wheat through EPS-producing plant growth-promoting rhizobacteria (PGPR). In this regard, a series of laboratory bioassays were cond

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Abd El-Ghany, Mona F., and Magdy Attia. "Effect of Exopolysaccharide-Producing Bacteria and Melatonin on Faba Bean Production in Saline and Non-Saline Soil." Agronomy 10, no. 3 (2020): 316. http://dx.doi.org/10.3390/agronomy10030316.

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Soil salinity is a major threat to modern agriculture, as it affects crop growth and development. The present study focuses on the integration of eco-friendly biostimulants in salinity stress as a strategy to achieve the alleviation of abiotic stress. Field experiments were conducted at two locations, consisting of saline and non-saline soil, to investigate the utilization of exopolysaccharide (EPS)-producing bacteria (Azotobacter chroococcum) and melatonin at different concentrations (0, 25, 50, and 100 µM) for alleviating the adverse effects of salinity on the growth and production of faba b

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