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Sleep plays a critical role in animal physiology, primarily governed by the brain, and its disruption is prevalent in various brain disorders. Mettl5 is associated with intellectual disability (ID), which often includes sleep disturbances. However, the mechanism underlying these sleep disruptions in ID remains poorly understood. In this study, we investigated the sleep phenotypes resulting from Drosophila Mettl5 mutations. Rescue experiments revealed that Mettl5 functions predominantly within neurons and glia marked by Mettl5-Gal4 to regulate sleep. Previous work established that Mettl5 forms a complex with Trmt112 to influence rRNA methylation. Notably, a mutation in Trmt112 recapitulated these sleep disturbances, implicating translational regulation by the Mettl5/Trmt112 complex. Subsequent RNA-seq and Ribo-seq analyses of Mettl51bp mutants uncovered downstream effects, including altered expression of proteasome components and clock genes. Rescue experiments confirmed that the net increase in PERIOD protein underlies the sleep phenotype. This study illuminates the interplay between ribosome function, clock genes, and the proteasome in sleep regulation, highlighting the integrated roles of protein synthesis and degradation. These findings could potentially provide an example for in vivo study of rRNA methylation function, expand our understanding of protein homeostasis in sleep, and offer insights into the sleep phenotypes associated with ID.
Pubmed ID: 42100920
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Software performing alignment of high-throughput RNA-seq data. Aligns RNA-seq reads to reference genome using uncompressed suffix arrays.
View all literature mentionsSoftware ultrafast memory efficient tool for aligning sequencing reads. Bowtie is short read aligner.
View all literature mentionsVector graphics software to create digital graphics, illustrations, and typography for several types of media: print, web, interactive, video, and mobile.
View all literature mentionsThe National Natural Science Foundation of China (NSFC) is an organization directly affiliated to the State Council for the management of the National Natural Science Fund. # In accordance with the guiding principles, policies and plans for the development of science and technology in China and by adopting the operating mechanisms for the National Natural Science Fund which conform to the socialism market economic system, NSFC supports basic research and some of applied research, identifies and fosters talented researchers in the realm of science and technology, accelerates the progress of science and technology, and promotes the socioeconomic development in China by giving full play the guidance and coordinating role of the National Natural Science Fund from the central government. # NSFC is in charge of the management of the National Natural Science Fund. It compiles and promulgates the annual Guide to Programs for basic research and some of applied research, handles applications of research projects, and organizes peer review and select the best projects to support. It endeavors to create an academic environment conducive to innovation. # NSFC cooperates with the Ministry of Science and Technology to formulate the principles, policies and plans for the development of basic research in China. When entrusted, it provides consultation and undertakes related assignments on major issues for the development of high technology and applied research in China. # NSFC gives help and support to other Chinese foundations in natural sciences. # NSFC establishes contacts with governmental departments in charge of science and technology, science foundations and related academic organizations in other countries and carries out international cooperation and exchange. # NSFC is responsible for the administration, supervision and guidance of the subordinated bodies. # NSFC undertakes other tasks entrusted by the State Council and the State Leading Group for Science and Technology and Education.
View all literature mentionsIntegrated database resource consisting of 16 main databases, broadly categorized into systems information, genomic information, and chemical information. In particular, gene catalogs in completely sequenced genomes are linked to higher-level systemic functions of cell, organism, and ecosystem. Analysis tools are also available. KEGG may be used as reference knowledge base for biological interpretation of large-scale datasets generated by sequencing and other high-throughput experimental technologies.
View all literature mentionsA read summarization program, which counts mapped reads for the genomic features such as genes and exons.
View all literature mentionsAn antibody supplier which banks and distributes hybridomas and monoclonal antibodies for use in research. The bank includes antibodies against targets such as GFP, transcription factors, stem cells, and human.
View all literature mentionsSoftware for image processing, analysis, and editing. The software includes features such as touch capabilities, a customizable toolbar, 2D and 3D image merging, and Cloud access and options.
View all literature mentionsGraph-based alignment of next generation sequencing reads to a population of genomes.
View all literature mentionsSoftware package for differential gene expression analysis based on the negative binomial distribution. Used for analyzing RNA-seq data for differential analysis of count data, using shrinkage estimation for dispersions and fold changes to improve stability and interpretability of estimates.
View all literature mentionsSoftware application for assembling of RNA-Seq alignments into potential transcripts. It enables improved reconstruction of a transcriptome from RNA-seq reads. This transcript assembling and quantification program is implemented in C++ .
View all literature mentionsProvides digital infrastructure, data analytics and decision support tools to help in diagnosis, treatment and monitoring of patients.
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