Direct fluorescent glycan labeling with recombinant sialyltransferases.

ABSTRACT: Glycosylation is a common modification found on numerous proteins and lipids. However, direct detection of glycans on these intact biomolecules has been challenge. Here, utilizing enzymatic incorporation of fluorophore-conjugated sialic acids, dubbed as direct fluorescent glycan labeling, we report the labeling and detection of N- and O-glycans on glycoproteins. The method allows detection of specific glycans without the laborious gel blotting and chemiluminescence reactions used in Western blotting. The method can also be used with a variety of fluorescent dyes.

SUBMITTER: Wu ZL 

PROVIDER: S-EPMC6835046 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature