Complete Genome Sequence of
            <i>Gluconacetobacter hansenii</i>
            Strain NQ5 (ATCC 53582), an Efficient Producer of Bacterial Cellulose

Pfeffer, Sarah; Mehta, K.; Brown, R. Malcolm

doi:10.1128/genomea.00785-16

Cited by 6 publications

(8 citation statements)

References 18 publications

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“…Strain K. xylinus BCRC 12334 has been exploited mainly in Taiwan (Kuo, Chen, Liou, & Lee, ; Wu & Liu, ). The strain ATCC 53582, also known as NQ5, has been commonly used in the research worldwide, which can be emphasized by the fact that it has been sequenced by two independent teams during the time of our work (Florea, Reeve, Abbott, Freemont, & Ellis, ; Pfeffer, Mehta, & Brown, 2016b). Especially recently, we can observe a steep increase in the number of sequenced Komagataeibacter genomes (Pfeffer, Mehta, & Brown, 2016a; Pfeffer, Santos, Ebels, Bordbar, & Brown, ,b,c; Wang et al., ; Zhang, Poehlein, Hollensteiner, & Daniel, ; Zhang et al., ).…”

Section: Introductionmentioning

confidence: 99%

Comparative genomics of the Komagataeibacter strains—Efficient bionanocellulose producers

Ryngajłło

Kubiak

Jędrzejczak-Krzepkowska

et al. 2018

MicrobiologyOpen

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Komagataeibacter species are well‐recognized bionanocellulose ( BNC ) producers. This bacterial genus, formerly assigned to Gluconacetobacter , is known for its phenotypic diversity manifested by strain‐dependent carbon source preference, BNC production rate, pellicle structure, and strain stability. Here, we performed a comparative study of nineteen Komagataeibacter genomes, three of which were newly contributed in this work. We defined the core genome of the genus, clarified phylogenetic relationships among strains, and provided genetic evidence for the distinction between the two major clades, the K . xylinus and the K. hansenii . We found genomic traits, which likely contribute to the phenotypic diversity between the Komagataeibacter strains. These features include genome flexibility, carbohydrate uptake and regulation of its metabolism, exopolysaccharides synthesis, and the c‐di‐ GMP signaling network. In addition, this work provides a comprehensive functional annotation of carbohydrate metabolism pathways, such as those related to glucose, glycerol, acetan, levan, and cellulose. Findings of this multi‐genomic study expand understanding of the genetic variation within the Komagataeibacter genus and facilitate exploiting of its full potential for bionanocellulose production at the industrial scale.

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Section: Introductionmentioning

confidence: 99%

Comparative genomics of the Komagataeibacter strains—Efficient bionanocellulose producers

Ryngajłło

Kubiak

Jędrzejczak-Krzepkowska

et al. 2018

MicrobiologyOpen

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“…The growing number of available genome sequences from the genus Komagataeibacter and genetic tools should allow to better understand the molecular aspects of BNC biosynthesis and rationally engineered mutant strains (Florea, et al ., ; Pfeffer et al ., ,; Zhang et al ., ). In recent years, comparative genomic and transcriptomic analyses are gaining attention in the scientific community.…”

Section: Perspectivesmentioning

confidence: 99%

Molecular aspects of bacterial nanocellulose biosynthesis

Jacek

Dourado

Gama

et al. 2019

Microbial Biotechnology

100

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Summary Bacterial nanocellulose (BNC) produced by aerobic bacteria is a biopolymer with sophisticated technical properties. Although the potential for economically relevant applications is huge, the cost of BNC still limits its application to a few biomedical devices and the edible product Nata de Coco, made available by traditional fermentation methods in Asian countries. Thus, a wider economic relevance of BNC is still dependent on breakthrough developments on the production technology. On the other hand, the development of modified strains able to overproduce BNC with new properties – e.g. porosity, density of fibres crosslinking, mechanical properties, etc. – will certainly allow to overcome investment and cost production issues and enlarge the scope of BNC applications. This review discusses current knowledge about the molecular basis of BNC biosynthesis, its regulations and, finally, presents a perspective on the genetic modification of BNC producers made possible by the new tools available for genetic engineering.

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“…Tough cellulose hydrogels obtained by a solvent exchange method were reported for their stability under changing temperature, pH and solvents . The complete nucleotide sequence of Gluconacetobacter hansenii strain NQ5 (ATCC 53582), an efficient producer of bacterial cellulose, has been elucidated with the aim of contributing to the understanding of the molecular mechanisms involved in cellulose biosynthesis . The nanofibrillar‐like network structures of holocellulose aerogels, with high surface area and high adsorption property, indicating potential application in environmentally friendly adsorption materials, were synthesised using tulip tree and an aqueous alkali hydroxide–urea solution .…”

Section: Nanotechnology‐based Opportunities In Postharvest Processingmentioning

confidence: 99%

“…205 The complete nucleotide sequence of Gluconacetobacter hansenii strain NQ5 (ATCC 53582), an efficient producer of bacterial cellulose, has been elucidated with the aim of contributing to the understanding of the molecular mechanisms involved in cellulose biosynthesis. 206 The nanofibrillar-like network structures of holocellulose aerogels, with high surface area and high adsorption property, indicating potential application in environmentally friendly adsorption materials, were synthesised using tulip tree and an aqueous alkali hydroxide-urea solution. 207 Nanocellulose obtained from natural materials has gained much appreciation for the evolution of modern medical tools due to its excellent properties, unique surface chemistry, biocompatibility and biodegradability.…”

Section: Nanotechnology-based Opportunities In Postharvest Processingmentioning

confidence: 99%

Recent developments in nanotechnology transforming the agricultural sector: a transition replete with opportunities

et al. 2017

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The applications and benefits of nanotechnology in the agricultural sector have attracted considerable attention, particularly in the invention of unique nanopesticides and nanofertilisers. The contemporary developments in nanotechnology are acknowledged and the most significant opportunities awaiting the agriculture sector from the recent scientific and technical literature are addressed. This review discusses the significance of recent trends in nanomaterial-based sensors available for the sustainable management of agricultural soil, as well as the role of nanotechnology in detection and protection against plant pathogens, and for food quality and safety. Novel nanosensors have been reported for primary applications in improving crop practices, food quality, and packaging methods, thus will change the agricultural sector for potentially better and healthier food products. Nanotechnology is well-known to play a significant role in the effective management of phytopathogens, nutrient utilisation, controlled release of pesticides, and fertilisers. Research and scientific gaps to be overcome and fundamental questions have been addressed to fuel active development and application of nanotechnology. Together, nanoscience, nanoengineering, and nanotechnology offer a plethora of opportunities, proving a viable alternative in the agriculture and food processing sector, by providing a novel and advanced solutions. © 2017 Society of Chemical Industry.

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Complete Genome Sequence of Gluconacetobacter hansenii Strain NQ5 (ATCC 53582), an Efficient Producer of Bacterial Cellulose

Cited by 6 publications

References 18 publications

Comparative genomics of the Komagataeibacter strains—Efficient bionanocellulose producers

Comparative genomics of the Komagataeibacter strains—Efficient bionanocellulose producers

Molecular aspects of bacterial nanocellulose biosynthesis

Recent developments in nanotechnology transforming the agricultural sector: a transition replete with opportunities

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