Results 111 to 120 of about 484,088 (306)

Sequential domain assembly of ribosomal protein S3 drives 40S subunit maturation

Nature Communications, 2016
Ribosome biogenesis involves the hierarchical assembly of several proteins and RNA components. Here the authors describe a mechanism for ribosomal protein S3 incorporation into 40S ribosomal subunits that involves S3 dimerization and stepwise ...
Valentin Mitterer, Guillaume Murat, Stéphane Réty, Magali Blaud, Lila Delbos, Tamsyn Stanborough, Helmut Bergler, Nicolas Leulliot, Dieter Kressler, Brigitte Pertschy   +9 more
doaj   +1 more source

Autophagy-dependent ribosomal RNA degradation is essential for maintaining nucleotide homeostasis during C. elegans development

eLife, 2018
Ribosome degradation through the autophagy-lysosome pathway is crucial for cell survival during nutrient starvation, but whether it occurs under normal growth conditions and contributes to animal physiology remains unaddressed.
Yubing Liu, Wei Zou, Peiguo Yang, Li Wang, Yan Ma, Hong Zhang, Xiaochen Wang   +6 more
doaj   +1 more source

The Mitochondrial Myopathy, Encephalopathy, Lactic Acidosis, and Stroke-like Episode Syndrome-associated Human Mitochondrial tRNALeu(UUR) Mutation Causes Aminoacylation Deficiency and Concomitant Reduced Association of mRNA with Ribosomes [PDF]

, 2000
The pathogenetic mechanism of the mitochondrial tRNALeu(UUR) A3243G transition associated with the mitochondrial myopathy, encephalopathy, lactic acidosis, and stroke-like episodes (MELAS) syndrome has been investigated in transmitochondrial cell lines ...
Attardi, Giuseppe, Chomyn, Anne, Enríquez, José Antonio, Fernandez-Silva, Patricio, Micol, Vicente   +4 more
core   +1 more source

An Organ‐on‐Chip Platform for Strain‐Controlled, Tissue‐Specific Compression of Cartilage and Mineralized Osteochondral Interface to Study Mechanical Overloading in Osteoarthritis

Advanced Healthcare Materials, EarlyView.
A mechanically active OsteoChondral Unit (OCU)‐on‐Chip platform mimicking the OCU's functional anatomy and the strain gradient across the osteochondral interface is presented. Upon compartment‐specific hyperphysiological compression, the model replicates mechanisms observed in osteoarthritis (OA) progression, such as calcium crystal accumulation ...
Andrea Mainardi, Anastasiya Börsch, Paola Occhetta, Robert Ivanek, Martin Ehrbar, Lisa Krattiger, Philipp Oertle, Marko Loparic, Ivan Martin, Marco Rasponi, Andrea Barbero   +10 more
wiley   +1 more source

RNA folding and ribosome assembly [PDF]

Current Opinion in Chemical Biology, 2008
Ribosome synthesis is a tightly regulated process that is crucial for cell survival. Chemical footprinting, mass spectrometry, and cryo-electron microscopy are revealing how these complex cellular machines are assembled. Rapid folding of the rRNA provides a platform for protein-induced assembly of the bacterial 30S ribosome.
openaire   +2 more sources

RONIN/HCF1‐TFEB Axis Protects Against D‐Galactose‐Induced Cochlear Hair Cell Senescence Through Autophagy Activation

Advanced Science, EarlyView.
D‐galactose (D‐gal) induced inner ear hair cell senescence by inhibiting TFEB transcription. RONIN/HCF1 promotes TFEB transcription to prevent cochlear HCs from D‐gal‐induced senescence through autophagy activation. Abstract Age‐related hearing loss is characterized by senescent inner ear hair cells (HCs) and reduced autophagy.
Yongjie Wei, Yuhua Zhang, Wei Cao, Nan Cheng, Yun Xiao, Yongjun Zhu, Yan Xu, Lei Zhang, Lingna Guo, Jun Song, Su‐hua Sha, Buwei Shao, Fang Ma, Jingwen Yang, Zheng Ying, Zuhong He, Renjie Chai, Qiaojun Fang, Jianming Yang   +18 more
wiley   +1 more source

Turning Uridines around: Role of rRNA Pseudouridylation in Ribosome Biogenesis and Ribosomal Function

Biomolecules, 2018
Ribosomal RNA (rRNA) is extensively edited through base methylation and acetylation, 2′-O-ribose methylation and uridine isomerization. In human rRNA, 95 uridines are predicted to by modified to pseudouridine by ribonucleoprotein complexes sharing ...
Marianna Penzo, Lorenzo Montanaro
doaj   +1 more source

Muscle‐Derived Small Extracellular Vesicles Mediate Exercise‐Induced Cognitive Protection in Chronic Cerebral Hypoperfusion

Advanced Science, EarlyView.
sEVs have a critical role in orchestrating interorgan crosstalk and mediating exercise‐induced therapeutic effects. Lin et al. demonstrates that sEVs miR‐17/20a‐5p mediates the muscle‐brain crosstalk and emphasizes the central role of mTOR signaling in executing molecular programs that can protect brain health in response to exercise. Abstract Physical
Huawei Lin, Lianhua Yin, Weilin Liu, Rui Li, Tao Jiang, Minguang Yang, Yajun Cao, Sinuo Wang, Yan Yu, Cong Chen, Xiaoqin Guo, Wenju Wang, Huanhuan Liu, Yaling Dai, Jiamin Yan, Yanting Lin, Yanyi Ding, Chendong Ruan, Lei Yang, Tiecheng Wu, Jing Tao, Lidian Chen   +21 more
wiley   +1 more source

A genomic approach to the study of Tribolium castaneum genetics, development & evolution [PDF]

, 2004
During the last decade, Tribolium castaneum has become the insect of choice for comparative genetics and developmental studies outside of drosophilids. Until recently, most molecular studies have focused on the comparative analysis of early development ...
Savard, Joël
core  

METTL14‐Mediated M6A Modification of LINC01094 Induces Glucose Metabolic Reprogramming in Breast Cancer by Recruiting the PKM2/JMJD5 Complex

Advanced Science, EarlyView.
METTL14/IGF2BP2‐mediated m6A modification drives LINC01094 upregulation in BC. Then, LINC01094 interacts with PKM2 monomers to promote their dimerization, while serving as a flexible scaffold to facilitate the assembly of the PKM2/JMJD5 complex, synergistically stabilizing PKM2 dimers and enhancing their nuclear translocation.
Mengqi Wang, Zhaoxin Gao, Ruinan Zhao, Pan Zhou, Jingxi Chen, Hui Zhang, Yawen Wang, Wenjie Zhu, Peng Gao   +8 more
wiley   +1 more source