Grondelle, R. van [Promotor]Kennis, J.T.M. [Copromotor

Toh, K.C.

English

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VU Research PortalLight Activation Mechanisms of Regulation of Photosynthesis in BacteriaToh, K.C.2010document versionPublisher's PDF, also known as Version of recordLink to publication in VU Research Portalcitation for published version (APA)Toh, K. C. (2010). Light Activation Mechanisms of Regulation of Photosynthesis in Bacteria.General rightsCopyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright ownersand it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.            • Users may download and print one copy of any publication from the public portal for the purpose of private study or research.            • You may not further distribute the material or use it for any profit-making activity or commercial gain            • You may freely distribute the URL identifying the publication in the public portal ?Take down policyIf you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediatelyand investigate your claim.E-mail address:vuresearchportal.ub@vu.nlDownload date: 27. May. 2021

Light Activation Mechanisms of Regulation of Photosynthesis in Bacteria

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Light Activation Mechanisms  
of Regulation of Photosynthesis in 
Bacteria 
This thesis was reviewed and approved by: 
 
prof.dr. Keith Moffat, Chicago University, USA 
prof.dr. Klaas J. Hellingwerf, Universiteit van Amsterdam  
dr. Ivo H.M. van Stokkum, Vrije Universiteit, The Netherlands  
dr. Jasper J. van Thor, Imperial College London, UK 
dr. Jörg Matysik, Leiden  Universiteit, The Netherlands 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cover art by: K. C. Toh 
Cover  story:  The  Eyes  (from Kaikai  Jing)  are  representing  the  blue‐  and  red‐light 
photoreceptors;  the  Ying  and  Yang  are  representing  the  dark  and  light  states 
respectively, and the photocycle of the photoreceptors. 
 
 
 
 
The research presented in this thesis was financially supported by the Earth and Life 
Sciences council of the Netherlands Foundation for Scientific Research (NWO‐ALW) 
through a VIDI grant to J.T.M.K. 
 
 
 
VRIJE UNIVERSITEIT 
 
 
Light Activation Mechanisms  
of Regulation of Photosynthesis in 
Bacteria 
 
 
 
 
 
ACADEMISCH PROEFSCHRIFT 
 
 
ter verkrijging van de graad Doctor aan 
de Vrije Universiteit Amsterdam, 
op gezag van de rector magnificus 
prof.dr. L.M. Bouter, 
in het openbaar te verdedigen 
ten overstaan van de promotiecommissie 
van de faculteit der Exacte Wetenschappen 
op woensdag 27 januari 2010 om 10.45 uur 
in de aula van de universiteit, 
De Boelelaan 1105 
 
door 
Kee Chua Toh 
geboren te Miri, Maleisië 
 
 
promotor:   prof.dr. R. van Grondelle 
copromotor:   dr. J.T.M. Kennis 
 
 
 
 
 
 
 
 
 
 
to my parents and my sister Mona 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
A journey of a thousand miles begins with the first step ‐ Laozi 
 
 
 Abbreviations 
 
BLUF    blue light sensing using FAD 
Bph    bacteriophytochrome 
BV    biliverdin 
CBP    chromophore binding pocket 
DADS    decay associated difference spectra 
EADS    evolution associated difference spectrum 
EAL    a conserved sequence. Cyclic di‐GMP phosphodiesterase 
ESA    excited state absorption 
ESPT    excited state proton transfer 
FAD    flavin adenine dinucleotide 
FMN    flavin mononucleotide   
GSB    ground state bleach  
GGDEF    a conserved sequence, synthesizes cyclic di‐GMP  
HKRD    a two‐component histidine kinases 
KIE    kinetic isotope effect 
LOV    light, oxygen, voltage 
OD    optical density 
PCB    phycocyanobilin 
Pr    bilin chromophore red absorbing form 
Pfr    bilin chromophore far‐red absorbing form 
Pnr    bilin chromophore near‐red absorbing form 
PS    photosystem 
PYP    photoactive yellow protein 
PB    phytochromobilin 
QM  quantum mechanics  
SADS  species associated difference spectrum 
SE  stimulated emission 
SPOIIE  sporulation stage II, protein E C‐terminal/Protein phosphatase 2C‐
related 
 
 
 
 
 


Light Activation Mechanisms of Regulation of Photosynthesis in Bacteria

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