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Filtering by: Subject Glycosyltransferases

Cytokinin O-glycosyltransferases : biochemical characteristics in vitro and developmental regulation in transgenic plants

Creator:

Veach, Yeonjin Kim

Abstract:

Cytokinins are plant hormones regulating cell division and differentiation. Most developmental events from germination, vegetative morphogenesis to seed and fruit set are influenced by cytokinins. t,ns-Zeatin is the major natural occurring cytokinin. Its isomer, cis-zeatin, and its derivatives are usually present in low quantities and have traditionally been considered as...

Resource Type:

Masters Thesis

Full Text:

- GLYCOSYLTRANSFERASE ...................................................... 37 Abstract
Functions and regulation of cytokinin glucosyltransferases

Creator:

Pineda Rodó, Albert

Abstract:

Cytokinins can be conjugated to N- and O-glucosides. While N-glucosylation generally leads to irretrievable loss of activity, O-glucosides are thought to play an important role in cytokinin storage and homeostasis since they can be hydrolyzed to the corresponding aglycones. The first zeatin O-glycosyltransferase genes isolated were ZOG1 and ZOX1 from...

Resource Type:

Dissertation
Mechanistic Studies and Catalytic Engineering of the Pseudoglycosyltransferase VldE

Creator:

Abuelizz, Hatem A.

Abstract:

This thesis describes an investigation of the molecular basis of the substrate specificity and catalytic mechanism of a unique pseudoglycosyltransferase (PsGT) enzyme, VldE. PsGTs are a newly discovered group of glycosyltransferase (GT)-like proteins that catalyze the transfer of a pseudosugar to an acceptor molecule via a C-N bond formation. This...

Resource Type:

Dissertation

Full Text:

newly discovered group of glycosyltransferase (GT)- like proteins that catalyze the transfer of a