Characterization of poly-β-hydroxybutyrate producing halophilic bacteria and nutrient optimization for its maximum production
نویسندگان
چکیده
An experiment was conducted at the Indian Agricultural Research Institute, New Delhi (2017-18) to report identification of halophilic poly-ß-hydroxybutyrate (PHB) producing bacteria and optimization process parameters for maximum PHB recovery. The phylogenetic analysis classified isolates into bacterial phylum α, γ-Proteobacteria, Firmicutes. Halomonas sp. KB7 Stenotrophomonas maltophila B11 produced in mineral salt media having optimized C N concentration with 10% NaCl. Optimizing increased production from 23.80–73.7% w/w sp 29.5–78.3 % S. maltophila.
منابع مشابه
isolation and identification of poly β-hydroxybutyrate over-producing bacteria and optimization of production medium
conclusions the results suggest that b. coagulans is a good candidate for the fermentative production of phb. background biodegradable polyesters are candidates for the development of environmental friendly plastics. poly-β-hydroxybutyrate (phb) is a type of polyester from the hydroxyalkanoates family, synthesized by bacteria as an intracellular material and accumulated as granules in the cytop...
متن کاملIsolation and Identification of Poly β-Hydroxybutyrate Over-Producing Bacteria and Optimization of Production Medium
BACKGROUND Biodegradable polyesters are candidates for the development of environmental friendly plastics. Poly-β-hydroxybutyrate (PHB) is a type of polyester from the hydroxyalkanoates family, synthesized by bacteria as an intracellular material and accumulated as granules in the cytoplasm. OBJECTIVES The aim of this study was to isolate Poly β-hydroxybutyrate over producing bacteria and opt...
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Cyanobacteria have many unexploited potential for natural products with a huge variability in structure and biological activity. Under stress conditions they are reported to produce biopolymers like poly-β-hydroxybutyrate (PHB), which can be produced intracellularly.Cyanobacteria are capable of synthesizing small amount of poly-β-hydroxybutyrate (PHB) under nitrogen and phosphorous starvation c...
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The Taguchi design of experiments was used to test the relative importance of medium components and environmental factors on poly(β-hydroxybutyrate)(PHB) production by Ralstonia eutropha. The optimum condition was obtained as: fructose concentration, 15 g/L; C/N ratio, 7.4; agitation speed 200 rpm; culture time, 40 h; temperature, 25 ° C; seed age, 15 h. At optimu...
متن کاملThe isolation of halophilic urease-producing bacteria and the study of their nano-crystal production
Urease-producing bacteria can precipitate calcite nano-crystals by producing urease in the presence of urea and calcium. Calcite precipitation resulting from microbial activity is a process which causes cementation of soil particles in nature. The purpose of this study was to isolate urease-producing halophilic bacteria in order to precipitate calcite in saline soil. Natural samples, including ...
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ژورنال
عنوان ژورنال: Indian Journal of Agricultural Sciences
سال: 2022
ISSN: ['0019-5022', '2394-3319']
DOI: https://doi.org/10.56093/ijas.v91i3.112447