نتایج جستجو برای: alginate lyase
تعداد نتایج: 18914 فیلتر نتایج به سال:
Generally, when microbes assimilate macromolecules, they incorporate low-molecular-weight products derived from macromolecules through the actions of extracellular degrading enzymes. However, a Gram-negative bacterium, Sphingomonas sp. A1, has a smart biosystem for the import and depolymerization of macromolecules. The bacterial cells directly incorporate a macromolecule, alginate, into the cyt...
Polyuronides are an acidic class of polysaccharides with interesting rheological and biological properties. However, except pectin and alginate, the structural variability of this class of polysaccharides is poor and low described in literature. In this context, a new generation of polyuronides has been isolated from two sources in the middle of the 90’s. Firstly, a bacterial -(1,4) polyglucuro...
A simple method was developed for fast identification of pectin, based on a recombinant endopectate lyase cloned from Aspergillus niger. When pectin was demethylated and treated with pectate lyase, beta-elimination occurred, resulting in a double bond between C-4 and C-5 in the galacturonic acid residue of the released nonreducing end. The formation of double bonds produced an increase in light...
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