Results 11 to 20 of about 3,509 (173)

Effects of poly-γ-glutamic acid (γ-PGA) on plant growth and its distribution in a controlled plant-soil system [PDF]

Scientific Reports, 2017
To demonstrate the responses of plant (Pakchoi) and soil to poly-γ-glutamic acid (γ-PGA) is essential to better understand the pathways of the promotional effect of γ-PGA on plant growth. In this study, the effects of γ-PGA on soil nutrient availability,
Lei Zhang, Xueming Yang, Decai Gao, Lingli Wang, Jie Li, Zhanbo Wei, Yuanliang Shi   +6 more
doaj   +2 more sources

Polyglutamic Acid as an Antiviral Agent: Mechanistic and Structural Insights [PDF]

Pharmaceutics
Poly-γ-glutamic acid (γ-PGA), also known as polyglutamate, is a naturally derived polymer produced by Bacillus species that has demonstrated antiviral properties.
Ya-Na Wu, Shang-Rung Wu
doaj   +2 more sources

Bacterial-Derived Polymer Poly-y-Glutamic Acid (y-PGA)-Based Micro/Nanoparticles as a Delivery System for Antimicrobials and Other Biomedical Applications. [PDF]

Int J Mol Sci, 2017
: In the past decade, poly-γ-glutamic acid (γ-PGA)-based micro/nanoparticles have garnered remarkable attention as antimicrobial agents and for drug delivery, owing to their controlled and sustained-release properties, low toxicity, as well as ...
Khalil IR, Burns AT, Radecka I, Kowalczuk M, Khalaf T, Adamus G, Johnston B, Khechara MP.   +7 more
europepmc   +4 more sources

Production and Characterization of Poly-γ-Glutamic Acid by Bacillus velezensis SDU [PDF]

Microorganisms
In this study, a Bacillus velezensis SDU strain capable of producing poly-γ-glutamate (γ-PGA) was newly identified from the rhizosphere soil of Baimiao taro.
Guangyao Guo, Han Wang, Huiyuan Jia, Haiping Ni, Shouying Xu, Cuiying Zhang, Youming Zhang, Yuxia Wu, Qiang Tu   +8 more
doaj   +2 more sources

Efficient production of poly-γ-glutamic acid using computational fluid dynamics simulations by Bacillus velezensis for frozen dough bread making [PDF]

Food Chemistry: X
This study aimed to evaluate poly-γ-glutamic acid (γ-PGA) production by the glutamic-dependent strain Bacillus velezensis CAU263 through fed-batch fermentation in a 5-L fermenter. A remarkable γ-PGA yield of 60.4 g/L with a conversion rate of 0.97 g/g (γ-
Hong Liu, Qiaojuan Yan, Yuchuan Wang, Yanxiao Li, Zhengqiang Jiang   +4 more
doaj   +2 more sources

Effective Decolorization of Poly-γ-Glutamic Acid Fermentation Broth by Integrated Activated Carbon Adsorption and Isoelectric Point Precipitation of Glutamic Acid [PDF]

Molecules
Poly-γ-glutamic acid (γ-PGA) is widely used in the field of biomedicine, food, agriculture, and ecological remediation. For the biosynthesis of γ-PGA, the pigments and remaining glutamate are two big problems that impede γ-PGA production by fermentation,
Xiusheng Si, Jicheng Li, Tingbin Zhao, Weifeng Cao, Changsheng Qiao   +4 more
doaj   +2 more sources

Transcriptome Sequencing Analysis Reveals the Mechanisms of Poly-γ-Glutamic Acid Enhanced the Chilling and Freezing Tolerance in Wheat [PDF]

Biology
Low-temperature stress significantly limits wheat growth and productivity. Poly-γ-glutamic acid (γ-PGA) is an environmentally friendly green molecular material that plays an important role in plant growth and regulation; however, its protective ...
Yuqi Niu, Jiang Liu, Bin Bu, Zhaohui Tang, Yongkang Ren, Haizhen Ma   +5 more
doaj   +2 more sources

Analysis of glutamate-dependent mechanism and optimization of fermentation conditions for poly-gamma-glutamic acid production by Bacillus subtilis SCP017-03. [PDF]

PLoS ONE
Poly-gamma-glutamic acid (γ-PGA) is mainly synthesized by glutamate-dependent strains in the manufacturing industry. Therefore, understanding glutamate-dependent mechanisms is imperative.
Caiyun Wu, Yutao Gou, Shuai Jing, Wei Li, Fanglan Ge, Jiao Li, Yao Ren   +6 more
doaj   +2 more sources

Poly-γ-glutamic acid alleviates slow transit constipation by regulating aquaporin and gut microbes [PDF]

Scientific Reports
Slow transit constipation (STC) is a prevalent gastrointestinal disorder caused by colon dysfunction. Poly-γ-glutamic acid (γ-PGA), an anionic polymer known for its moisture retention, degradability, and food safety, was studied for its effects on ...
Xiaoru Wang, Jie Zhou, Zengkun Sun, Ruilei Jia, Diyi Huang, Dongqi Tang, Tao Xia, Fang Xiao   +7 more
doaj   +2 more sources

13C-Metabolic Flux Analysis Reveals the Metabolic Flux Redistribution for Enhanced Production of Poly-γ-Glutamic Acid in dlt Over-Expressed Bacillus licheniformis [PDF]

Frontiers in Microbiology, 2019
Poly-γ-glutamic acid (γ-PGA) is an anionic polymer with various applications. Teichoic acid (TA) is a special component of cell wall in gram-positive bacteria, and its D-alanylation modification can change the net negative charge of cell surface ...
Penghui He, Ni Wan, Dongbo Cai, Shiying Hu, Yaozhong Chen, Shunyi Li, Shouwen Chen, Shouwen Chen   +7 more
doaj   +3 more sources