Poly-γ-Glutamic Acid (PGA)
Effect of glucose on poly-γ-glutamic acid metabolism in Bacillus licheniformis
... whereas poly-γ-glutamic acid (γ-PGA) was secreted when trisodium citrate and glycerol were used as the carbon sources ...extracellular poly- meric substances exhibited ...
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Development of a Freeze Dried Skin Care Product Composed of Hyaluronic Acid and Poly(γ Glutamic Acid) Containing Bioactive Components for Application after Chemical Peels
... hyaluronic acid (HA) and poly(γ-glutamic acid) (PGA) with or without bioactive components including vitamin C derivative (VC), glucosylceramide (GC), and epidermal growth factor ...
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Poly (γ Glutamic Acid) Promotes Enhanced Dechlorination of p Chlorophenol by Fe Pd Nanoparticles
... (γ-glutamic acid) (PGA), a natural anionic poly- peptide produced by Bacillus subtilis, is nontoxic, highly water-soluble, and can be chemically, physically, and en- zymatically ...
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Construction of energy-conserving sucrose utilization pathways for improving poly-γ-glutamic acid production in Bacillus amyloliquefaciens
... produce poly-γ-glutamic acid (γ-PGA), a highly valuable ...more γ-PGA than the NK-1 strain under the same fermentation ...
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Rewiring glycerol metabolism for enhanced production of poly-γ-glutamic acid in Bacillus licheniformis
... Background: Poly-γ-glutamic acid (γ-PGA) is a natural polymer with great potential applications in areas of agricul- ture, industry, and ...for γ-PGA production due ...
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Enhancing poly-γ-glutamic acid production in Bacillus amyloliquefaciens by introducing the glutamate synthesis features from Corynebacterium glutamicum
... Poly-γ-glutamic acid (γ-PGA) is a valuable polymer consisting of d/l-glutamate monomers with the pep- tide bond formed between the α-amino group and the γ-carboxyl group ...
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Poly(γ glutamic acid) coated lipoplexes loaded with Doxorubicin for enhancing the antitumor activity against liver tumors
... develop poly- γ -glutamic acid ( γ -PGA)-coated Doxorubicin (Dox) lipoplexes that enhance the antitumor activity against liver ...tumors. γ -PGA-coated lipoplexes ...
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Bacillus subtilis natto: a non-toxic source of poly-γ-glutamic acid that could be used as a cryoprotectant for probiotic bacteria
... bacterial poly-γ-glutamic acid (γ-PGA) for protecting probiotic bacteria during freeze ...drying. γ-PGA is a non-toxic, non-immunogenic and bio- degradable ...
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Systematic unravelling of the inulin hydrolase from Bacillus amyloliquefaciens for efficient conversion of inulin to poly-(γ-glutamic acid)
... Poly-(γ-glutamic acid) (γ-PGA) is a bio-based homopolypeptide consisting of l- and d-glutamic acid units connected by γ-amide linkage ...chain, ...
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Isolation, Identification and Evaluation of Egyptian Bacillus sp. Isolates for Producing Poly-γ-glutamic Acid
... Poly-γ-glutamic acid (γ-PGA) is a non-toxic, biodegradable, and water-soluble polymer secreted from different ...generating PGA from the soil of different Egyptian ...
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Integration of enzymatic data in Bacillus subtilis genome-scale metabolic model improves phenotype predictions and enables in silico design of poly-γ-glutamic acid production strains
... of poly-γ-glutamic acid (γ-PGA) polymer in engineered ...higher γ-PGA concentration and production rate compared to the ancestral ...
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Modulation of Gene Expression Related to Toll-Like Receptor Signaling in Dendritic Cells by Poly(γ-Glutamic Acid) Nanoparticles
... mune responses, mice were injected subcutaneously with either PBS, OVA, OVA-NPs, OVA ⫹ CFA, or OVA ⫹ alum. When the antigen-specific T-cell response was examined by flow cy- tometry, a marked increase of OVA ...
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Investigation of poly(γ-glutamic acid) production via online determination of viscosity and oxygen transfer rate in shake flasks
... citric acid com- pared to the standard mineral medium E ...citric acid concentration was increased to investigate its influence on time point and absolute maximal values of γ-PGA molecular ...
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Bioactivity in silica/poly(γ glutamic acid) sol–gel hybrids through calcium chelation
... Calcium chloride has been used as a calcium source in several hybrids, including chitosan/GPTMS/silica [26], polyvinyl alcohol/ GPTMS/silica [27], c PGA/GPTMS/silica [28] and c PGA/APTES [21]. However, the ...
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Microbial synthesis of poly-γ-glutamic acid: current progress, challenges, and future perspectives
... as γ-PGA, it might be more economi- cal and effective to replace gaseous oxygen with another molecular electron acceptor (Table ...of γ-PGA were investigated in a ...
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Preparation and Evaluation of Poly γ Glutamic Acid Hydrogel Mixtures with Basic Drugs or Acidic Drugs: Effect on Ease of Swallowing and Taste Masking
... w/v PGA gel was eluted within five seconds and ...w/v PGA gel was eluted within 15 seconds; the amount eluted did not change between 15 and 30 ...w/v PGA gel was eluted within 30 seconds and be about ...
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Synthesis of bioactive class II poly(gamma glutamic acid)/silica hybrids for bone regeneration
... carboxylic acid on its side group which allows for ...bone, γ-PGA is an alternative to polyesters such as PLA or PGA that degrade by hydrolysis (random chain scission), which can cause rapid ...
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Synthesis, characterization, and biological evaluation of poly(L-γ-glutamyl-glutamine)-paclitaxel nanoconjugate
... water-soluble poly(L-γ-glutamyl-glutamine)-paclitaxel nanoconjugate (PGG-PTX) that would improve the therapeutic index of paclitaxel ...of poly(L-glutamic acid)- paclitaxel conjugate ...
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Key role of poly γ dl glutamic acid in immune evasion and virulence of Staphylococcus epidermidis
... Surface-attached PGA was released from the cell surface by boiling bacteria for 30 minutes at 100°C or by ...autoclaving. PGA was then purified by acid precipitation as described ...and PGA ...
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Study on the Stability of Poly glutamic Acid Fermentation Broth for Agricultural Use
... [6] Hui Ming, Tian Qing, Zhang Bin, et al. Effects of pH Value on Poly (γ-glutamic acid) Culture Broth Viscosity and Polymer Structure [J]. Food and fermentation industry, 2006, 32 (10): 5-8. ...
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