Results 41 to 50 of about 382,695 (354)
A dominant repressor version of the tomatoSl-ERF.B3gene confers ethylene hypersensitivity via feedback regulation of ethylene signaling and response components [PDF]
Ethylene Response Factors (ERFs) are downstream components of the ethylene signal transduction pathway, although their role in ethylene-dependent developmental processes remains poorly understood. As the ethylene-inducible tomato Sl-ERF.B3 has been shown
Achard +51 more
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Objective Treponema denticola is involved in ‘chronic’ periodontitis pathogenesis. The mechanism underlying the regulation of the expression of its virulence factors, such as major surface protein (Msp) and prolyl-phenylalanine specific protease ...
Yuki Arai +5 more
doaj +1 more source
Lateral Gene Expression in Drosophila Early Embryos Is Supported by Grainyhead-Mediated Activation and Tiers of Dorsally-Localized Repression [PDF]
The general consensus in the field is that limiting amounts of the transcription factor Dorsal establish dorsal boundaries of genes expressed along the dorsal-ventral (DV) axis of early Drosophila embryos, while repressors establish ventral boundaries ...
A Jazwinska +63 more
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Sequence Dependence of Transcription Factor-Mediated DNA Looping [PDF]
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
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R2R3-MYB Transcription Factors Regulate Anthocyanin Biosynthesis in Grapevine Vegetative Tissues
Anthocyanins with important physiological functions mainly accumulate in grape berry, but teinturier grape cultivars can accumulate anthocyanins in both reproductive and vegetative tissues.
Sha Xie +7 more
doaj +1 more source
A Tale of Two Repressors [PDF]
Few proteins have had such a strong impact on a field, as the lac repressor and λ repressor have had in Molecular Biology in bacteria. The genes required for lactose utilization are negatively regulated; the lac repressor binds to an upstream operator blocking the transcription of the enzymes necessary for lactose utilization.
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NagRBt Is a Pleiotropic and Dual Transcriptional Regulator in Bacillus thuringiensis
NagR, belonging to the GntR/HutC family, is a negative regulator that directly represses the nagP and nagAB genes, which are involved in GlcNAc transport and utilization in Bacillus subtilis.
Zhang-lei Cao +8 more
doaj +1 more source
Transcriptional repression may cause transcriptional noise by a competition between repressor and RNA polymerase binding. Although promoter activity is often governed by a single limiting step, we argue here that the size of the noise strongly depends on
Mitarai, Namiko +2 more
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Optimizing periodicity and polymodality in noise-induced genetic oscillators [PDF]
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
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Few proteins have had such a strong impact on a field as the lac repressor has had in Molecular Biology. Over 40 years ago, Jacob and Monod [Genetic regulatory mechanisms in the synthesis of proteins, J. Mol. Biol. 3 (1961) 318] proposed a model for gene regulation, which survives essentially unchanged in contemporary textbooks.
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