Review of Levan polysaccharide: From a century of past experiences to future prospects

ET Öner, L Hernández, J Combie - Biotechnology advances, 2016 - Elsevier
Levan is a fascinating β-(2, 6)-linked fructose polymer with an unusual combination of
properties characterized in this review. In nature, levan is synthesized from sucrose by a …

Recent advances in levansucrase and inulosucrase: evolution, characteristics, and application

W Xu, D Ni, W Zhang, C Guang, T Zhang… - Critical reviews in food …, 2019 - Taylor & Francis
Levan and inulin are two types of fructan. Levan is composed of β-(2, 6) fructosyl linkage
and inulin is composed of β-(2, 1) linkage. Both levan and inulin have been accepted and …

[PDF][PDF] P13, the EMBL macromolecular crystallography beamline at the low-emittance PETRA III ring for high-and low-energy phasing with variable beam focusing

M Cianci, G Bourenkov, G Pompidor… - Journal of …, 2017 - journals.iucr.org
The macromolecular crystallography P13 beamline is part of the European Molecular
Biology Laboratory Integrated Facility for Structural Biology at PETRA III (DESY, Hamburg …

Characterization of levans produced by levansucrases from Bacillus amyloliquefaciens and Gluconobacter oxydans: Structural, techno-functional, and anti …

AM Sahyoun, MW Min, K Xu, S George… - Carbohydrate …, 2024 - Elsevier
Levans of different structures and molecular weights (MW) can display various techno-
functional and health-promoting properties. In the present study, selected levans were …

A close look at the structural features and reaction conditions that modulate the synthesis of low and high molecular weight fructans by levansucrases

ME Ortiz-Soto, JR Porras-Domínguez, J Seibel… - Carbohydrate …, 2019 - Elsevier
The physicochemical properties and biological activity of levan, a generic term given to oligo-
and polysaccharides consisting of fructose units linked predominantly by β (2-6) bonds, are …

Biosynthesis of levan from sucrose using a thermostable levansucrase from Lactobacillus reuteri LTH5448

D Ni, W Xu, Y Bai, W Zhang, T Zhang, W Mu - International Journal of …, 2018 - Elsevier
Levan, a versatile fructan, possesses promising prospects for application in the food and
pharmaceutical industries and in many other fields due to the superior physicochemical …

Successful Manipulation of the Product Spectrum of the Erwinia amylovora Levansucrase by Modifying the Residues around loop1, Loop 3, and Loop 4

X Zhang, W Xu, D Ni, W Zhang… - Journal of Agricultural …, 2022 - ACS Publications
Levansucrase (LS, EC 2.4. 1.10) catalyzes the synthesis of levan by successively
transferring the fructosyl moiety from sucrose to an elongated fructan chain. Although the …

Levan and levansucrases: Polymer, enzyme, micro-organisms and biomedical applications

Á González-Garcinuño, A Tabernero… - Biocatalysis and …, 2018 - Taylor & Francis
Nowadays, levan synthesis and its biocatalysis is a step claiming attention due to its
promising uses in biomedical field. Levansucrase, as the enzyme responsible of levan …

Modulation of fructooligosaccharide chain length and insight into the product binding motif of Lactobacillus reuteri 121 inulosucrase

T Charoenwongpaiboon, T Sitthiyotha… - Carbohydrate …, 2019 - Elsevier
Abstract Inulosucrase (EC 2.4. 1.9) is a bacterial fructosyltransferase that synthesizes inulin-
type fructooligosaccharide, using sucrose as a substrate. We modulated the size of …

Co-production of Fructooligosaccharides and Levan by Levansucrase from Bacillus subtilis natto with Potential Application in the Food Industry

GT Bersaneti, NC Pan, C Baldo… - Applied biochemistry and …, 2018 - Springer
Fructooligosaccharides and levan have a wide range of applications in the food industry due
to their physiological and functional properties. The enzymatic synthesis of these molecules …