K J Hellingwerf
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Explore the profile of K J Hellingwerf including associated specialties, affiliations and a list of published articles.
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129
Citations
1946
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Recent Articles
1.
Schuurmans R, Matthijs J, Hellingwerf K
Photosynth Res
. 2017 Jan;
132(1):69-82.
PMID: 28108865
Phototrophic microorganisms like cyanobacteria show growth curves in batch culture that differ from the corresponding growth curves of chemotrophic bacteria. Instead of the usual three phases, i.e., lag-, log-, and...
2.
van Beilen J, Teixeira de Mattos M, Hellingwerf K, Brul S
Appl Environ Microbiol
. 2014 Jul;
80(19):5918-26.
PMID: 25038097
Sorbic acid and acetic acid are among the weak organic acid preservatives most commonly used to improve the microbiological stability of foods. They have similar pKa values, but sorbic acid...
3.
Hellingwerf K, Hendriks J, Gensch T
J Biol Phys
. 2013 Jan;
28(3):395-412.
PMID: 23345784
Photoactive Yellow Protein (PYP), a phototaxis photoreceptor from Ectothiorhodospira halophila, is a small water-soluble protein that iscrystallisable and excellently photo-stable. It can be activated with light(λ(max)= 446 nm), to enter...
4.
Bekker M, de Vries S, Ter Beek A, Hellingwerf K, Teixeira de Mattos M
J Bacteriol
. 2009 Jun;
191(17):5510-7.
PMID: 19542282
The respiratory chain of Escherichia coli is usually considered a device to conserve energy via the generation of a proton motive force, which subsequently may drive ATP synthesis by the...
5.
Hellingwerf K, Teixeira de Mattos M
J Biotechnol
. 2009 Jun;
142(1):87-90.
PMID: 19480951
For a sustainable energy future, the development of efficient biofuel production systems is an important prerequisite. Here we describe an approach in which basic reactions from phototrophy are combined in...
6.
Bekker M, Kramer G, Hartog A, Wagner M, de Koster C, Hellingwerf K, et al.
Microbiology (Reading)
. 2007 May;
153(Pt 6):1974-1980.
PMID: 17526854
Ubiquinones (UQs) and menaquinones (MKs) perform distinct functions in Escherichia coli. Whereas, in general, UQs are primarily involved in aerobic respiration, the MKs serve as electron carriers in anaerobic respiration....
7.
van Wilderen L, van der Horst M, van Stokkum I, Hellingwerf K, van Grondelle R, Groot M
Proc Natl Acad Sci U S A
. 2006 Oct;
103(41):15050-5.
PMID: 17015839
Photoactive proteins such as PYP (photoactive yellow protein) are generally accepted as model systems for studying protein signal state formation. PYP is a blue-light sensor from the bacterium Halorhodospira halophila....
8.
van Stokkum I, Gobets B, Gensch T, Van Mourik F, Hellingwerf K, van Grondelle R, et al.
Photochem Photobiol
. 2006 Apr;
82(2):380-8.
PMID: 16613489
The spectral evolution of three photoactive proteins has been investigated by measuring the fluorescence with good temporal and wavelength resolution and a high signal-to-noise ratio. Upon excitation at 400 nm...
9.
Premvardhan L, van der Horst M, Hellingwerf K, van Grondelle R
Biophys J
. 2005 Nov;
89(6):L64-6.
PMID: 16258045
Stark (electroabsorption) spectra of the M100A mutant of photoactive yellow protein reveal that the neutral, cis cofactor of the pB intermediate undergoes a strikingly large change in the static dipole...
10.
van der Horst M, Laan W, Yeremenko S, Wende A, Palm P, Oesterhelt D, et al.
Photochem Photobiol Sci
. 2005 Aug;
4(9):688-93.
PMID: 16121278
To properly respond to changes in fluency conditions, Nature has developed a variety of photosensors that modulate gene expression, enzyme activity and/or motility. Dedicated types have evolved, which can be...