Bacterial cellulose (BC) is an abundant polysaccharide, which secreted by several genera of bacteria. It has remarkable characteristics, include high purity, tensile strength, biocompatibility and non-toxic. The main feature that differentiates BC plant (PC) the absence contaminants such as lignin, hemicellulose pectin. However, drawbacks in producing are low yield expensive carbon source. Due ...

Gluconacetobacter xylinus (5Acetobacter xylinum) ATCC 10245 incorporated 2-amino-2-deoxy-D-glucose (glucosamine) and 2-acetamido-2-deoxy-D-glucose (N-acetylglucosamine), but not 3-O-methyl-D-glucose or 2-deoxyD-glucose into exopolymers. Incorporation was confirmed by gas chromatography with and without mass spectrometry, Fourier transform infrared, and H nuclear magnetic resonance. The average ...

BACKGROUND Through pretreatment and enzymatic saccharification lignocellulosic biomass has great potential as a low-cost feedstock for production of bacterial nanocellulose (BNC), a high value-added microbial product, but inhibitors formed during pretreatment remain challenging. In this study, the tolerance to lignocellulose-derived inhibitors of three new BNC-producing strains were compared to...

The aim of this study was to increase productivity Komagataeibacter xylinus C3 strain on nutrient media using industrial wastes as carbon source. By-product sugar production, molasses, selected for the cultivation bacterial cellulose (BC) producer. It has been shown that significant accumulation BC (11.9 g/L) occurs molasses medium with 7 days in static conditions, which is 1.6 times higher tha...

Amplification of repetitive bacterial DNA elements through the polymerase chain reaction (rep-PCR fingerprinting) using the (GTG)(5) primer, referred to as (GTG)(5)-PCR fingerprinting, was found a promising genotypic tool for rapid and reliable speciation of acetic acid bacteria (AAB). The method was evaluated with 64 AAB reference strains, including 31 type strains, and 132 isolates from Ghana...

Bacterial cellulose (BC) is a natural exopolysaccharide characterized by high purity, mechanical strength, and the ability to absorb various compounds. Obtaining BC on an industrial scale expensive, mainly due cost of culture media. Replacing classical media with waste from agri-food industry may be promising way reduce costs when obtaining BC. The aim these studies was compare effectiveness bi...

Appearance of cellulose microfibrils in the medium of a suspension of cells of Acetobacter xylinum in buffered glucose solution was preceded by a stage during which the cellulose in the medium was amorphous within the available resolution. The size of the vertical axis of the microfibrils of the bacterial cellulose was found on the basis of measurement of shadow length to be only about 16 A. In...

This report provides X-ray diffraction and Raman spectral evidence that, when 2,6-dichlorobenzonitrile is present in the culture medium, Acetobacter xylinum, which is a model system for investigation of the biosynthesis of native cellulose, produces cellulose II, as well as cellulose I. The significance of the observations with respect to the mechanism of biosynthesis of cellulose is discussed ...

Bacterial cellulose (BC) is a flexible biopolymer having valuable properties like high purity (without hemicellulose and lignin), percentage of crystallinity, water retention, mechanical strength, biodegradability unique biocompatibility. Unlike plant cellulose, bacterial produced by many species. Recent advances in research have identified several producers BC but the key producer Komagataeiba...