University of Groningen
The diversity of glycogen branching enzymes in microbes
Zhang, Xuewen
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Publication date: 2019
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Zhang, X. (2019). The diversity of glycogen branching enzymes in microbes. University of Groningen.
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The diversity of glycogen branching
enzymes in microbes
Cover design Xuewen Zhang Printed by Ipskamp
ISBN printed 978-94-034-1645-8 ISBN digital 978-94-034-1644-1
This work described in this thesis was performed in the group of Aquatic Biotechnology and Bioproduct Engineering of the Engineering and Technology Institute Groningen (ENTEG) in the University of Groningen and was financial-ly supported by the China Scholarship Council and the University of Groningen.
The diversity of glycogen branching
enzymes in microbes
PhD thesis
to obtain the degree of PhD at the
University of Groningen
on the authority of the
Rector Magnificus Prof. E. Sterken
and in accordance with
the decision by the College of Deans
This thesis will be defended in public on
Monday 17 June 2019 at 12:45 hours
by
Xuewen Zhang
born on 22 August 1986
in Shandong, China
Promotors:
Prof. M.J.E.C van der Maarel Prof. G.J.W. Euverink
Copromotor:
Dr. R.J. LeemhuisAssessment committee
Prof. A. Blenow Prof. G.J. Poelarends Prof. M.W. FraaijeContents
Chapter 1 ... 6 Glycogen and branching enzymes in prokaryotic microorganisms Chapter 2 ... 49 Identification of Thermotoga maritima SMB8 GH57 α-amylase
AmyC as a glycogen branching enzyme with high hydrolytic activity AmyC
Chapter 3 ... 77 Characterization of the GH13 and GH57 glycogen branching
enzymes from Petrotoga mobilis SJ95 and potential role in glycogen biosynthesis
Chapter 4 ... 103 Synthesis of highly branched α-glucans with different structures
using GH13 and GH57 glycogen branching enzymes
Chapter 5 ... 123 The impact of glycogen branching enzymes on the digestibility
of highly branched starches
Chapter 6 ... 143 Summary and Prospects
Samenvatting en Discussie ... 155 Acknowledgements ... 161 Curriculum vitae ... 165
