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Engineering transcriptional regulation in Escherichia coli using an archaeal TetR-family transcription factor KU Leuven Ghent University Vrije Universiteit Brussel
Synthetic biology requires well-characterized biological parts that can be combined into functional modules. One type of biological parts are transcriptional regulators and their cognate operator elements, which enable to either generate an input-specific response or are used as actuator modules. A range of regulators has already been characterized and used for orthogonal gene expression engineering, however, previous efforts have mostly focused ...
Transcriptional regulation of the chicken CRHR2 gene by pituitary transcription factors KU Leuven
Corticotropin-releasing hormone (CRH) is known to act as a potent thyrotropin-releasing factor in non-mammalian species such as chicken and bullfrog. This interaction is mediated by type 2 CRH receptors (CRHR2) expressed by the thyrotropes in the pituitary gland. However, the response elements (REs) and their corresponding transcription factors (TFs) that control CRHR2 expression in thyrotropes are not known. Since thyrotrope-specific expression ...
The genome-wide binding profile of the Sulfolobus solfataricus transcription factor Ss-LrpB shows binding events beyond direct transcription regulation Vrije Universiteit Brussel
BACKGROUND:
Gene regulatory processes are largely resulting from binding of transcription factors to specific genomic targets. Leucine-responsive Regulatory Protein (Lrp) is a prevalent transcription factor family in prokaryotes, however, little information is available on biological functions of these proteins in archaea. Here, we study genome-wide binding of the Lrp-like transcription factor Ss-LrpB from Sulfolobus solfataricus.
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Gene regulatory processes are largely resulting from binding of transcription factors to specific genomic targets. Leucine-responsive Regulatory Protein (Lrp) is a prevalent transcription factor family in prokaryotes, however, little information is available on biological functions of these proteins in archaea. Here, we study genome-wide binding of the Lrp-like transcription factor Ss-LrpB from Sulfolobus solfataricus.
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Molecular mechanisms of regulation by a β-alanine-responsive Lrp-type transcription factor from Acidianus hospitalis Vrije Universiteit Brussel
The leucine-responsive regulatory protein (Lrp) family of transcriptional regulators is widespread among prokaryotes and especially well-represented in archaea. It harbors members with diverse functional mechanisms and physiological roles, often linked to the regulation of amino acid metabolism. BarR is an Lrp-type regulator that is conserved in thermoacidophilic Thermoprotei belonging to the order Sulfolobales and is responsive to the ...
Allostery and intrinsic disorder mediate transcription regulation by conditional co-operativity Vrije Universiteit Brussel
Regulation of the phd/doc toxin-antitoxin operon involves the toxin Doc as co- or derepressor depending on the ratio between Phd and Doc, a phenomenon known as conditional cooperativity. The mechanism underlying this observed behavior is not understood. Here we show that monomeric Doc engages two Phd dimers on two unrelated binding sites. The binding of Doc to the intrinsically disordered C-terminal domain of Phd structures its N-terminal ...
The DOF transcription factor OBP1 is involved in cell cycle regulation in Arabidopsis thaliana Ghent University
In contrast to animal growth, plant growth is largely post-embryonic. Therefore plants have developed new mechanisms to precisely regulate cell proliferation by means of internal and external stimuli whilst the general core cell cycle machinery is conserved between eukaryotes. In this work we demonstrate a role for the Arabidopsis thaliana DNA-binding-with-one-finger (DOF) transcription factor OBP1 in the control of cell division upon ...
Characterization of a NAC transcription factor involved in the regulation of pomegranate seed hardness (Punica granatum L.) Ghent University
Evolutionary functional analysis and molecular regulation of the ZEB transcription factors Ghent University
Transcription networks responsible for early regulation of Salmonella-induced inflammation in the jejunum of pigs KU Leuven
BACKGROUND: The aim of this study was to identify transcription factors/regulators that play a crucial role in steering the (innate) immune response shortly (within a few hours) after the first contact of the intestinal mucosa with an inflammatory mediator, and to test whether the processes regulated by these factors/regulators can be modulated by chemical substances of natural origin. METHODS: We experimentally induced inflammation by perfusion ...