Draft Genome Sequence of Gluconobacter frateurii NBRC 103465, a Glyceric Acid-Producing Strain

Sato, Shun; Umemura, Maiko; Koike, Hideaki; Habe, Hiroshi

doi:10.1128/genomea.00369-13

Cited by 5 publications

(2 citation statements)

References 8 publications

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“…Therefore, the effect of methanol on GA production by G. frateurii was investigated in detail. The draft genome sequence of G. frateurii NBRC103465 strain was first analyzed 29 . This strain possesses putative genes for methanol detoxification as well as those for GA production.…”

Section: Development Of Production and Application Of Glyceric Acidmentioning

confidence: 99%

Application of Glyceric Acid to Bio-related Functional Materials and Improvement of Microbial Production

Sato

2021

J. Oleo Sci.

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Glyceric acid (GA) is an oxidative product of glycerol, and its d-isomer is obtained as a phytochemical from tobacco leaves and fruits of some plants. However, the production and applications of GA have not yet been fully investigated. In this review, recent developments in the microbial production of GA and its application to bio-related materials are summarized. The sodium salt of diacylated GA showed superior surface tension-lowering activity and antitrypsin activity. GA and its glucosyl derivative had positive effects on the viability and collagen production of skin cells in vitro, respectively. Glucosyl derivatives of GA showed protective effects against heat-induced protein aggregation. In addition, the microbial production of GA using raw glycerol as the starting material was investigated. The effect of methanol, a major impurity in raw glycerol, on GA production was investigated, and mutant strains to tolerate methanol in the culture were constructed. Enantioselective production of GA using newly isolated microbial strains has also been developed.

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Section: Development Of Production and Application Of Glyceric Acidmentioning

confidence: 99%

Application of Glyceric Acid to Bio-related Functional Materials and Improvement of Microbial Production

Sato

2021

J. Oleo Sci.

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“…This type of bacteria has industrial relevance as it catalyzes the incomplete oxidation of sugars and alcohols, generating products of chemical, pharmaceutical, and cosmetic interest [5,[23][24][25][26]. To test the different support materials, we have selected the type strain Gluconobacter frateurii NBRC103465 (Gfr) [27] that transforms and upgrades glycerol into dihydroxyacetone (DHA) and glyceric acid (GA) [23]. The biotransformation has industrial and environmental relevance, as glycerol is inevitably generated as a by-product of the biodiesel industry [28], and its valorization may help diminish the environmental problems associated with its disposal in line with the economics of the biofuel industry and the biorefinery concept.…”

Section: Introductionmentioning

confidence: 99%

Bacteria-Polymer Composite Material for Glycerol Valorization

Ripoll,

Soriano,

Ibarburu

et al. 2023

Polymers

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Bacterial immobilization is regarded as an enabling technology to improve the stability and reusability of biocatalysts. Natural polymers are often used as immobilization matrices but present certain drawbacks, such as biocatalyst leakage and loss of physical integrity upon utilization in bioprocesses. Herein, we prepared a hybrid polymeric matrix that included silica nanoparticles for the unprecedented immobilization of the industrially relevant Gluconobacter frateurii (Gfr). This biocatalyst can valorize glycerol, an abundant by-product of the biodiesel industry, into glyceric acid (GA) and dihydroxyacetone (DHA). Different concentrations of siliceous nanosized materials, such as biomimetic Si nanoparticles (SiNps) and montmorillonite (MT), were added to alginate. These hybrid materials were significantly more resistant by texture analysis and presented a more compact structure as seen by scanning electron microscopy. The preparation including 4% alginate with 4% SiNps proved to be the most resistant material, with a homogeneous distribution of the biocatalyst in the beads as seen by confocal microscopy using a fluorescent mutant of Gfr. It produced the highest amounts of GA and DHA and could be reused for up to eight consecutive 24 h reactions with no loss of physical integrity and negligible bacterial leakage. Overall, our results indicate a new approach to generating biocatalysts using hybrid biopolymer supports.

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Application of microbial resources in biorefineries: Current trend and future prospects

Gaur,

Kaur,

Kalra

et al. 2024

Heliyon

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Draft Genome Sequence of Gluconobacter frateurii NBRC 103465, a Glyceric Acid-Producing Strain

Cited by 5 publications

References 8 publications

Application of Glyceric Acid to Bio-related Functional Materials and Improvement of Microbial Production

Application of Glyceric Acid to Bio-related Functional Materials and Improvement of Microbial Production

Bacteria-Polymer Composite Material for Glycerol Valorization

Application of microbial resources in biorefineries: Current trend and future prospects

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