نتایج جستجو برای: acetylation
تعداد نتایج: 12808 فیلتر نتایج به سال:
Among post-translational modifications, there are some conceptual similarities between Lys-N(𝜀)-acetylation and Ser/Thr/Tyr O-phosphorylation. Herein we present a bioinformatics-based overview of reversible protein Lys-acetylation, including some comparisons with reversible protein phosphorylation. The study of Lys-acetylation of plant proteins has lagged behind studies of mammalian and microbi...
Influenza A viruses (IAVs) take advantage of the host acetylation system for their own benefit. Whether the nucleoprotein (NP) of IAVs undergoes acetylation and the interaction between the NP and the class I histone deacetylases (HDACs) were largely unknown. Here, we showed that the NP protein of IAV interacted with HDAC1, which downregulated the acetylation level of NP. Using mass spectrometry...
Histone acetylation is sensitive to the availability of acetyl-CoA. However, the extent to which metabolic alterations in cancer cells impact tumor histone acetylation has been unclear. Here, we discuss our recent findings that oncogenic AKT1 activation regulates histone acetylation levels in tumors through regulation of acetyl-CoA metabolism.
In this issue, two papers implicate histone H3 lysine 56 acetylation in histone deposition in chromatin. Li et al. (2008) show that acetylation of H3K56 promotes S phase chromatin assembly that is mediated by the histone chaperones CAF-1 and Rtt106. Chen et al. (2008) establish that the acetylation mark promotes chromatin reassembly following DNA double-strand break repair.
Acetylation, through the post-transcriptional modification of histones, is a well-established regulator of gene transcription. More recent research has also identified an important role for acetylation in the regulation of non-histone proteins, both inside and outside the nucleus. As a fast (and reversible) post-translational process, acetylation allows cells to rapidly alter the function of ex...
Histone acetylation in the kidney of the adrenalectomized rat was increased 5 min after a physiological dose of aldosterone. The increase was exclusively in the histone F2a1. The increase in histone acetylation was given by 9alpha-fluorocortisol, deoxycorticosterone and cortisol, but not by progesterone. The increase in histone acetylation was abolished by prior treatment of the animals with th...
p53 promotes tumor suppression through its ability to function as a transcriptional factor and is activated by posttranslational modifications that include acetylation. Our earlier study demonstrated that p53 acetylation can enhance its sequence-specific DNA binding in vitro, and this notion was later confirmed in several other studies. However, a recent study has reported that in vitro acetyla...
Obesity is an increasing health problem which is causally associated with insulin resistance and type 2 diabetes. Oxidative stress, i.e. overproduction of reactive oxygen species, is associated with insulin resistance and obesity and may be a major risk factor in the onset and progression of diabetes. Bernlohr Lab at University of Minnesota has studied oxidative stress in adipocytes by silencin...
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