Results 81 to 90 of about 324,922 (336)

The kinetic mechanism of bacterial ribosome recycling. [PDF]

, 2017
Bacterial ribosome recycling requires breakdown of the post-termination complex (PoTC), comprising a messenger RNA (mRNA) and an uncharged transfer RNA (tRNA) cognate to the terminal mRNA codon bound to the 70S ribosome.
Chen, Yuanwei, Cooperman, Barry S., Kaji, Akira, Kaji, Hideko   +3 more
core   +2 more sources

Post‐Translational Modified Neoantigens in Autoimmune Diseases: Challenges of Immune Tolerance

Advanced Science, EarlyView.
Autoimmune diseases have a high incidence and disability rate. The pathogenesis of autoimmune diseases involves the interaction among genetic factors, environmental factors, and immune disorders. The post‐translational modified neoantigens are the key nodal of these three factors. And these post‐translational modified neoantigens, after being presented
Yue Zhai, Kefei Wu, Qi Lin, Zhenzhen Cao, Yankun Jia, Ping Zhu   +5 more
wiley   +1 more source

The Exosome Subunit Rrp44 Plays a Direct Role in RNA Substrate Recognition [PDF]

, 2007
The exosome plays key roles in RNA maturation and surveillance, but it is unclear how target RNAs are identified. We report the functional characterization of the yeast exosome component Rrp44, a member of the RNase II family.
Anderson, James T., Schneider, Claudia, Tollervey, David   +2 more
core   +2 more sources

The Molecular Basis of Amino Acids Sensing

Advanced Science, EarlyView.
Amino acids are essential as protein building blocks and signaling molecules, enabling metabolic regulation. Cells sense amino acid levels to control protein synthesis, maintain homeostasis, and adapt to nutritional changes. This review explores recent advances in amino acid sensing mechanisms across organisms, highlighting their roles in cellular ...
Cong Jiang, Xiao Tan, Jiali Jin, Ping Wang   +3 more
wiley   +1 more source

Mitochondrial stress in advanced fibrosis and cirrhosis associated with chronic hepatitis B, chronic hepatitis C, or nonalcoholic steatohepatitis

Hepatology, EarlyView., 2022
Adaptive mitochondrial mechanisms allow mitochondrial resilience and prevent the worsening of fibrosis, while deregulation of these mechanisms promotes the progression from no/minimal‐mild (F0‐F2) fibrosis to advanced fibrosis and cirrhosis (F3‐F4). Abstract Background and Aims Hepatitis B virus (HBV) infection causes oxidative stress (OS) and alters ...
Dimitri Loureiro, Issam Tout, Stéphanie Narguet, Cheikh Mohamed Bed, Morgane Roinard, Ahmad Sleiman, Nathalie Boyer, Nathalie Pons‐Kerjean, Corinne Castelnau, Nathalie Giuly, Dorothy Tonui, Vassili Soumelis, Jamel El Benna, Patrick Soussan, Richard Moreau, Valérie Paradis, Abdellah Mansouri, Tarik Asselah   +17 more
wiley   +1 more source

Developing an Unnatural Amino Acid-Specific Aminoacyl tRNA Synthetase [PDF]

, 2018
Unnatural Amino Acids (UAAs), amino acids not present in the human genetic code, have been synthesized to have a broad range of useful properties, in this case, as metal-binders which could have drug delivery applications.
Mammoser, Claire C, Rowe, Laura
core   +2 more sources

The Mechanisms of Codon Reassignments in Mitochondrial Genetic Codes [PDF]

, 2007
Many cases of non-standard genetic codes are known in mitochondrial genomes. We carry out analysis of phylogeny and codon usage of organisms for which the complete mitochondrial genome is available, and we determine the most likely mechanism for codon ...
A Reyes, A Schneider, AM Nedelcu, AM Simpson, AP Sibler, BF Lang, C Gissi, CA Lozupone, CE Bullerwell, D Urbina, DH Ardell, DV Lavrov, DW Schultz, DW Schultz, E Seif, E Talla, EM Denovan-Wright, FHC Crick, G Burger, G Burger, G Burger, H Asahara, HS Kim, J Castrasena, J Matsugi, J Swire, JD Alfonzo, JL Blanchard, JL Boore, K Hancock, K Tomita, Knight, Knight, M Ehara, M Ehara, M Kimura, M Nohara, M Turmel, MAS Santos, MAS Santos, ME Saks, MJ Laforest, MJ Telford, MV Sanchez Puerta, N Spruyt, NJ Savill, Paul G. Higgs, PG Higgs, PG Higgs, PJ Keeling, PS Lovett, R Giegé, R Koszul, RC Morris, S Kerscher, S Matsuyama, S Osawa, S Osawa, S Osawa, S Sengupta, S Yokobori, SE Massey, SG Andersson, SG Andersson, SJ Freeland, Supratim Sengupta, T Muramatsu, Tomita, Tomita, U Kück, Xiaoguang Yang, Y Hayashi-Ishimaru, Y Hayashi-Ishimaru, Y Inagaki, Y Kuchino   +74 more
core   +4 more sources

Amino Acid‐Sensing Neurons in the Anterior Piriform Cortex Control Brown Adipose Tissue Thermogenesis

Advanced Science, EarlyView.
This study identifies a class of amino acid‐sensing neurons, APCCRH neurons, which regulate BAT thermogenesis. Leucine deficiency alters intrinsic excitability through GCN2 signaling pathway, activating APCCRH neurons, which in turn regulate BAT thermogenesis via projections to the lateral hypothalamus.
Peixiang Luo, Kexin Tong, Yeting Gan, Min Tang, Yuguo Niu, Kan Liu, Shihong Ni, Shangming Wu, Xiaoxue Jiang, Haizhou Jiang, Fei Xiao, Shanghai Chen, Wei Lv, Xiaoying Li, Feixiang Yuan, Feifan Guo   +15 more
wiley   +1 more source

Preparation of Translationally Competent tRNA by Direct Chemical Acylation [PDF]

, 2010
Nonsense codon suppression for unnatural amino acid incorporation requires the preparation of a suppressor aminoacyl-tRNA. Chemical acylation strategies are general but inefficient and arduous. A recent report (J. Am. Chem. Soc.
Dougherty, Dennis A., Duffy, Noah H.
core   +2 more sources

Physicochemical analysis of rotavirus segment 11 supports a 'modified panhandle' structure and not the predicted alternative tRNA-like structure (TRLS) [PDF]

, 2013
.Rotaviruses are a major cause of acute gastroenteritis, which is often fatal in infants. The viral genome consists of 11 double-stranded RNA segments, but little is known about their cis-acting sequences and structural elements.
A Heerschap, A L’Hernault, A Wilm, AE Simon, Andrew M. Lever, AR Gruber, BI Klasens, D Chen, D Chen, D Yue, D Yue, E Madore, E Matsuo, EC Hutchinson, Emily Manktelow, EV Puglisi, H Heus, HD Cho, J Jia, JC Kenyon, Jonathan Lever, JR Gog, JT Patton, Laura E. Easton, LE Easton, M Barro, M Estes, MA Tortorici, MW Friederich, N Figueroa, P Annamalai, Peter J. Lukavsky, PJ Lukavsky, R Giegé, R Giegé, RC Olsthoorn, S Nishimura, SC Chen, SH Bernhart, Subhajit Biswas, T Nagaike, TW Dreher, TW Dreher, TW Dreher, TW Dreher, Ulrich Desselberger, W Li, Wilson Li   +47 more
core   +1 more source