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University of Groningen Activation, regulation and physiology of natural competence in Lactococcus lactis Mulder, Joyce

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Mulder, Joyce

DOI:

10.33612/diss.171825159

IMPORTANT NOTE: You are advised to consult the publisher's version (publisher's PDF) if you wish to cite from

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Publisher's PDF, also known as Version of record

Publication date:

2021

Link to publication in University of Groningen/UMCG research database

Citation for published version (APA):

Mulder, J. (2021). Activation, regulation and physiology of natural competence in Lactococcus lactis.

University of Groningen. https://doi.org/10.33612/diss.171825159

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Downloaded from the University of Groningen/UMCG research database (Pure): http://www.rug.nl/research/portal. For technical reasons the number of authors shown on this cover page is limited to 10 maximum.

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ACTIVATION, REGULATION AND PHYSIOLOGY

OF NATURAL COMPETENCE IN

LACTOCOCCUS LACTIS

Joyce Mulder 2021

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ACTIVATION, REGULATION AND PHYSIOLOGY

OF NATURAL COMPETENCE IN

LACTOCOCCUS LACTIS

PROEFSCHRIFT

ter verkrijging van de graad van doctor aan de Rijksuniversiteit Groningen

op gezag van de

rector magnificus prof.dr. C. Wijmenga en volgens het besluit van het College voor Promoties.

De openbare verdediging zal plaatsvinden op vrijdag 18 juni 2021 om 16:15 uur

door

Joyce Mulder geboren op 19 november 1990

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Prof. dr. P. Hols Prof. dr. J. Kok Prof. dr. E.J.Smid

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“Biology is the most powerful technology ever created. DNA is software, protein are hardware, cells are factories.”

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A tree has been planted for every copy of this thesis.

© 2021 Joyce Mulder, The Netherlands. All rights reserved. No parts of this thesis may be reproduced, stored in a retrieval system or transmitted in any form or by any means without permission of the author. Alle rechten voorbehouden. Niets uit deze uitgave mag worden vermenigvuldigd, in enige vorm of op enige wijze, zonder voorafgaande schriftelijke toestemming van de auteur.

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TABLE OF CONTENTS

CHAPTER ONE

9

General introduction

CHAPTER TWO

49

Unleashing Natural Competence in Lactococcus lactis by Induction of the Competence Regulator ComX

CHAPTER THREE

85

High-level expression of the late competence genes in L. lactis subsp. lactis KF147 coincides with stringent response and growth stagnation

CHAPTER FOUR

119

The delicate balance between ‘’the window of competence’’ and stringent responses in Lactococcus lactis

CHAPTER FIVE

149

The quest for the environmental trigger of natural competence development in Lactococcus lactis

CHAPTER SIX

185

General discussion

CHAPTER SEVEN

219

Summary Nederlandse samenvatting Dankwoord

About the author List of publications

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