levansucrase

lev·an·su·crase

(lev'an-sū'krās),
An enzyme catalyzing transfer of the fructose moiety of sucrose to polyfructose (a levan), releasing d-glucose.
References in periodicals archive ?
Scientists at the University of Wurzburg have chemically modified the enzyme levansucrase using a new method.
Flame burned stainless steel wire spheres as carrier of Zymomonas mobilis cells and extracellular levansucrase. Acta Biotechnology, 19(4), 341-348.
Vogel, "Performance of Lactobacillus sanfranciscensis TMW 1.392 and its levansucrase deletion mutant in wheat dough and comparison of their impact on bread quality," European Food Research and Technology, vol.
Extracellular secretion of levansucrase from Zymomonas mobilis in Escherichia coli.
Evaluation of cross-linked aggregates from purified Bacillus subtilis levansucrase mutants for transfructosylation reactions.
For example, Bacillus can produce some useful enzymes ([alpha]-amylase, arabinase, cellulase, dextranase, levansucrase, maltase, alkaline protease, neutral protease and [beta]-glucanase) (Priest, 1977; Hentges, 1992) that were found to improve feed efficiency and weight gain of weaned piglets (Zani et al., 1998).
Stillage as a source of growth promoting bio factors and a stimulator of levan and extracelular levansucrase synthesis for Zymomonas mobilis.
Further, introduction of the bacterial levansucrase, which synthesizes fructan, in tobacco (Nicotiana tabacum L.) renders the transgenic plant more tolerant to drought (Pilon-Smits et al., 1995).