Results 21 to 30 of about 483,350 (345)

Multiple binding sites for transcriptional repressors can produce regular bursting and enhance noise suppression [PDF]

open access: yes, 2017
Cells may control fluctuations in protein levels by means of negative autoregulation, where transcription factors bind DNA sites to repress their own production.
Lengyel, Iván M., Morelli, Luis G.
core   +2 more sources

Sequence Dependence of Transcription Factor-Mediated DNA Looping [PDF]

open access: yes, 2012
DNA is subject to large deformations in a wide range of biological processes. Two key examples illustrate how such deformations influence the readout of the genetic information: the sequestering of eukaryotic genes by nucleosomes, and DNA looping in ...
Barry   +62 more
core   +4 more sources

What makes the lac-pathway switch: identifying the fluctuations that trigger phenotype switching in gene regulatory systems [PDF]

open access: yes, 2014
Multistable gene regulatory systems sustain different levels of gene expression under identical external conditions. Such multistability is used to encode phenotypic states in processes including nutrient uptake and persistence in bacteria, fate ...
Berg, Johannes   +3 more
core   +2 more sources

The GbsR Family of Transcriptional Regulators: Functional Characterization of the OpuAR Repressor

open access: yesFrontiers in Microbiology, 2018
Accumulation of compatible solutes is a common stress response of microorganisms challenged by high osmolarity; it can be achieved either through synthesis or import.
Stefanie Ronzheimer   +4 more
doaj   +1 more source

Negative feedback control of jasmonate signaling by an alternative splice variant of JAZ10 [PDF]

open access: yes, 2013
The plant hormone jasmonate (JA) activates gene expression by promoting ubiquitin-dependent degradation of JAZ transcriptional repressor proteins. A key feature of all JAZ proteins is the highly conserved Jas motif, which mediates both JAZ degradation ...
Campos, Marcelo L.   +7 more
core   +1 more source

A 314-bp SINE insertion in the ZNF2 promoter region may act as a repressor related to regulation of fat deposition in pigs

open access: yesJournal of Integrative Agriculture, 2023
Retrotransposons, a type of DNA fragment that can mobilize itself on genome, can generate genetic variations and develop for molecular markers based on the insertion polymorphism.
Hao GU   +8 more
doaj   +1 more source

Optimizing periodicity and polymodality in noise-induced genetic oscillators [PDF]

open access: yes, 2011
Many cellular functions are based on the rhythmic organization of biological processes into self-repeating cascades of events. Some of these periodic processes, such as the cell cycles of several species, exhibit conspicuous irregularities in the form of
A. Sveiczer   +6 more
core   +3 more sources

Overexpression of PvPin1, a Bamboo Homolog of PIN1-Type Parvulin 1, Delays Flowering Time in Transgenic Arabidopsis and Rice

open access: yesFrontiers in Plant Science, 2017
Because of the long and unpredictable flowering period in bamboo, the molecular mechanism of bamboo flowering is unclear. Recent study showed that Arabidopsis PIN1-type parvulin 1 (Pin1At) is an important floral activator and regulates floral transition ...
Zhigang Zheng   +5 more
doaj   +1 more source

DNA looping: the consequences and its control [PDF]

open access: yes, 2006
The formation of DNA loops by proteins and protein complexes is ubiquitous to many fundamental cellular processes, including transcription, recombination, and replication.
Ackers   +45 more
core   +1 more source

Crystallization and preliminary crystallographic analysis of dUTPase from the helper phage Φ11 of Staphylococcus aureus [PDF]

open access: yes, 2011
Staphylococcus aureus superantigen-carrying pathogenicity islands (SaPIs) have a determinant role in spreading virulence genes among bacterial populations that constitute a major health hazard.
Bendes, Ábris   +5 more
core   +1 more source

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