PPR proteins network as site-specific RNA editing factors in plant organelles.

abstract：:The RNase II family of enzymes is ubiquitous and has crucial roles in the processing, degradation and quality control of all types of RNA. These exoribonucleases processively degrade RNA from the 3'-end releasing 5'-nucleotide monophosphates. In prokaryotes, RNase II and RNase R have two N-terminal CSD and one C-termi...

journal_title：RNA biology

authors： Arraiano CM,Matos RG,Barbas A

更新日期：2010-05-01 00:00:00

abstract：:Circular RNAs (circRNAs) have been identified in diverse eukaryotic species and are characterized by RNA backsplicing events. Current available methods for circRNA identification are able to determine the start and end locations of circRNAs in the genome but not their full-length sequences. In this study, we developed...

journal_title：RNA biology

authors： Ye CY,Zhang X,Chu Q,Liu C,Yu Y,Jiang W,Zhu QH,Fan L,Guo L

更新日期：2017-08-03 00:00:00

abstract：:RNA interference (RNAi) is a powerful tool for gene functional analysis of plant-parasitic nematodes (PPNs). RNAi involving soaking in a dsRNA solution and in planta methods is commonly applied in the study of gene function in PPNs. However, certain problems restrict the application of these methods. Therefore, more c...

journal_title：RNA biology

authors： Ding S,Wang D,Xu C,Yang S,Cheng X,Peng X,Chen C,Xie H

更新日期：2020-12-14 00:00:00

abstract：:We previously showed that miR-122 was frequently downregulated in hepatocellular carcinoma (HCC) and C/EBPα transactivated miR-122 expression. In this study, we found that Sp1 bound to the miR-122 promoter at two different sites. Interestingly, either inhibition or overexpression of Sp1 could decrease the miR-122 prom...

journal_title：RNA biology

authors： Zeng C,Sang Y,Wang FY,Zhuang SM

更新日期：2020-02-01 00:00:00

abstract：:microRNAs (miRNAs) play significant regulatory roles in gene expression at the post-transcriptional level. This includes modulating processes such as development, immunity, cancer, and host-pathogen interactions. It was recently shown that the phylogenetically deeply conserved miRNA, miR-8, plays a role in maintaining...

journal_title：RNA biology

authors： Etebari K,Asgari S

更新日期：2013-08-01 00:00:00

abstract：:MicroRNAs (miRNAs) are key regulators of gene expression and play critical roles in modulating metabolism, development and physiology in animals and plants. miRNA levels are transcriptionally and post-transcriptionally controlled for their proper function. Recent studies have shown that RNA-binding proteins play impor...

journal_title：RNA biology

authors： Ren G,Yu B

更新日期：2012-12-01 00:00:00

abstract：:Studies on the regulation of gene expression in eukaryotes in the past 20 years have consistently revealed increasing levels of complexity. Thirty years ago it seemed that we had understood the basic principles of gene regulation in eukaryotes. It was thought that regulation of transcription was the first and most imp...

journal_title：RNA biology

authors： Collart MA,Reese JC

更新日期：2014-01-01 00:00:00

abstract：:The two major steps of gene expression are transcription and translation. While hundreds of studies regarding the effect of sequence features on the translation elongation process have been published, very few connect sequence features to the transcription elongation rate. We suggest, for the first time, that short tr...

journal_title：RNA biology

authors： Cohen E,Zafrir Z,Tuller T

更新日期：2018-01-02 00:00:00

abstract：:MicroRNAs (miRNAs) are a class of naturally occurring, small, non-coding RNAs that control gene expression during development,normal cell function and disease. Although there is emerging evidence that some miRNAs can function as oncogenes or tumor suppressors, there is limited understanding of the role of miRNAs in ca...

journal_title：RNA biology

authors： Guo X,Wu Y,Hartley RS

更新日期：2009-11-01 00:00:00

abstract：:The question of how cysteinyl-tRNA(Cys) is synthesized in organisms that lack a canonical cysteinyl-tRNA synthetase (CysRS) is an important open question in understanding protein synthesis. The prolyl-tRNA synthetase (ProRS) of wide ranging organisms has the ability to mis-activate cysteine without editing. This raise...

journal_title：RNA biology

authors： Zhang CM,Hou YM

更新日期：2004-05-01 00:00:00

abstract：:Seryl-tRNA synthetase (SerRS) catalyzes the ligation of serine to the 3'-end of serine tRNA (tRNA(Ser)), which is typical of the type-2 tRNAs characterized by a long extra arm. The SerRSs are divided into two types, the archaeal/eukaryal and bacterial types. In this study, we solved the crystal structures of the SerRS...

journal_title：RNA biology

authors： Itoh Y,Sekine S,Kuroishi C,Terada T,Shirouzu M,Kuramitsu S,Yokoyama S

更新日期：2008-07-01 00:00:00

abstract：:The ribosome binding site of Escherichia coli rpoS mRNA, encoding the stationary sigma-factor RpoS, is sequestered by an inhibitory stem-loop structure (iss). Translational activation of rpoS mRNA at low temperature and during exponential growth includes Hfq-facilitated duplex formation between rpoS and the small regu...

journal_title：RNA biology

authors： Resch A,Većerek B,Palavra K,Bläsi U

更新日期：2010-11-01 00:00:00

abstract：:Single-stranded oligonucleotides (ssOligos) are efficiently taken up by living cells without the use of transfection reagents. This phenomenon called 'gymnosis' enables the sequence-specific silencing of target genes in various types of cells. Several antisense ssOligos are used for the treatment of human diseases. Ho...

journal_title：RNA biology

authors： Takahashi M,Contu VR,Kabuta C,Hase K,Fujiwara Y,Wada K,Kabuta T

更新日期：2017-11-02 00:00:00

abstract：:The synthesis of RNA is highly regulated at all stages by transcription factors. As an essential transcription elongation factor, NusA has been studied biochemically for more than 30 years. However, until now no structural information has been available on NusA-RNAP complexes and the NusA interaction site on RNAP was ...

journal_title：RNA biology

authors： Yang X,Lewis PJ

更新日期：2010-05-01 00:00:00

abstract：:Post-transcriptional control of gene expression is mediated via RNA-binding proteins (RBPs) that interact with mRNAs in a combinatorial fashion. While recent global RNA interactome capture experiments expanded the repertoire of cellular RBPs quiet dramatically, little is known about the assembly of RBPs on particular ...

journal_title：RNA biology

authors： Iadevaia V,Wouters MD,Kanitz A,Matia-González AM,Laing EE,Gerber AP

更新日期：2020-01-01 00:00:00

abstract：:Chemical modification of nucleobases plays an important role for the control of gene expression on different levels. That includes the modulation of translation by modified tRNA-bases or silencing and reactivation of genes by methylation and demethylation of cytosine in promoter regions. Especially dynamic methylation...

journal_title：RNA biology

authors： Traube FR,Carell T

更新日期：2017-09-02 00:00:00

abstract：:Wobble uridines (U34) are generally modified in all species. U34 modifications can be essential in metazoans but are not required for viability in fungi. In this review, we provide an overview on the types of modifications and how they affect the physico-chemical properties of wobble uridines. We describe the molecula...

journal_title：RNA biology

authors： Schaffrath R,Leidel SA

更新日期：2017-09-02 00:00:00

abstract：:Fragile X-associated tremor/ataxia syndrome (FXTAS) is a recently identified neurodegenerative disorder affecting older adult males with premutation alleles of the fragile X mental retardation 1 (FMR1) gene. The principal clinical features of FXTAS include progressive intention tremor, gait ataxia, parkinsonism, and a...

journal_title：RNA biology

authors： Tassone F,Iwahashi C,Hagerman PJ

更新日期：2004-07-01 00:00:00

abstract：:The genome of most prokaryotes gives rise to surprisingly complex transcriptomes, comprising not only protein-coding mRNAs, often organized as operons, but also harbors dozens or even hundreds of highly structured small regulatory RNAs and unexpectedly large levels of anti-sense transcripts. Comprehensive surveys of p...

journal_title：RNA biology

authors： Backofen R,Amman F,Costa F,Findeiß S,Richter AS,Stadler PF

更新日期：2014-01-01 00:00:00

abstract：:The signal recognition particle (SRP) is a ribonucleoprotein complex which participates in the targeting of protein to cellular membranes. The RNA component of the SRP has been found in all domains of life, but the size of the molecule and the number of RNA secondary structure elements vary considerably between the di...

journal_title：RNA biology

authors： Rosenblad MA,Larsen N,Samuelsson T,Zwieb C

更新日期：2009-11-01 00:00:00

abstract：:Termination of RNA polymerase II (RNAPII) transcription is a fundamental step of gene expression that involves the release of the nascent transcript and dissociation of RNAPII from the DNA template. As transcription termination is intimately linked to RNA 3' end processing, termination pathways have a key decisive inf...

journal_title：RNA biology

authors： Lemay JF,Bachand F

更新日期：2015-01-01 00:00:00

abstract：:Alternative splicing (AS) in response to changing external conditions often requires alterations in the ability of sequence-specific RNA-binding proteins to bind to cis-acting sequences in their target pre-mRNA. While daily oscillations in AS events have been described in several organisms, cis-acting sequences that c...

journal_title：RNA biology

authors： Goldammer G,Neumann A,Strauch M,Müller-McNicoll M,Heyd F,Preußner M

更新日期：2018-01-01 00:00:00

abstract：:A-to-I RNA editing by adenosine deaminases acting on RNA is a post-transcriptional modification that is crucial for normal life and development in vertebrates. RNA editing has been shown to be very abundant in the human transcriptome, specifically at the primate-specific Alu elements. The functional role of this wide-...

journal_title：RNA biology

authors： Liscovitch N,Bazak L,Levanon EY,Chechik G

更新日期：2014-01-01 00:00:00

abstract：:Interactions between glioma cells and their local environment are critical determinants of brain tumor growth, infiltration and neovascularisation. Communication with host cells and stroma via microvesicles represents one pathway by which tumors can modify their surroundings to achieve a tumor-permissive environment. ...

journal_title：RNA biology

authors： Li CC,Eaton SA,Young PE,Lee M,Shuttleworth R,Humphreys DT,Grau GE,Combes V,Bebawy M,Gong J,Brammah S,Buckland ME,Suter CM

更新日期：2013-08-01 00:00:00

abstract：:Conserved RNA secondary structures were predicted in the nucleoprotein (NP) segment of the influenza A virus genome using comparative sequence and structure analysis. A number of structural elements exhibiting nucleotide covariations were identified over the whole segment length, including protein-coding regions. Calc...

journal_title：RNA biology

authors： Gultyaev AP,Tsyganov-Bodounov A,Spronken MI,van der Kooij S,Fouchier RA,Olsthoorn RC

更新日期：2014-01-01 00:00:00

abstract：:Ribonuclease P (RNase P) is a ribonucleoprotein comprised of a catalytic RNA subunit and one or several protein subunits. RNase P is best known for its role in 5'-processing of tRNA precursors. RNase P enzymes from almost all forms of life, including protein-synthesizing organelles, contain an RNase P with a conserved...

journal_title：RNA biology

authors： Ellis JC,Brown JW

更新日期：2009-09-01 00:00:00

abstract：:Heterogeneous nuclear ribonucleoprotein L (hnRNP L) is a multifunctional RNA-binding protein that is involved in many different processes, such as regulation of transcription, translation, and RNA stability. We have previously characterized hnRNP L as a global regulator of alternative splicing, binding to CA-repeat, a...

journal_title：RNA biology

authors： Rossbach O,Hung LH,Khrameeva E,Schreiner S,König J,Curk T,Zupan B,Ule J,Gelfand MS,Bindereif A

更新日期：2014-01-01 00:00:00

abstract：:Ribosome biogenesis drives cell growth and proliferation, but mechanisms that modulate this process remain poorly understood. For a long time, small rRNA sequences have been widely treated as non-specific degradation products and neglected as garbage sequences. Recently, we identified a new class of antisense ribosoma...

journal_title：RNA biology

authors： Zhou X,Chen X,Wang Y,Feng X,Guang S

更新日期：2017-11-02 00:00:00

abstract：:Oncogenic viruses are associated with approximately 15% of human cancers. In viral infections, microRNAs play an important role in host-pathogen interactions. miR-21 is a highly conserved non-coding RNA that not only regulates the development of oncogenic viral diseases, but also responds to the regulation of intracel...

journal_title：RNA biology

authors： He G,Ding J,Zhang Y,Cai M,Yang J,Cho WC,Zheng Y

更新日期：2021-01-27 00:00:00

abstract：:The NOVA (neuro-oncological ventral antigen) protein family, composed of two paralogs, NOVA1 and NOVA2, consists of RNA-binding proteins involving in processes such as alternative splicing and transport of some target mRNAs. The function of NOVA has been well studied, and increasing evidence has shown that NOVA protei...

journal_title：RNA biology

authors： Tang S,Zhao Y,He X,Zhu J,Chen S,Wen J,Deng Y

更新日期：2020-06-01 00:00:00