The bacterial CRISPR/Cas system as analog of the mammalian adaptive immune system.

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：:In plants, Potato spindle tuber viroid (PSTVd) replication triggers post-transcriptional gene silencing (PTGS) and RNA-directed DNA methylation (RdDM) of homologous RNA and DNA sequences, respectively. PTGS predominantly occurs in the cytoplasm, but nuclear PTGS has been also reported. In this study, we investigated w...

journal_title：RNA biology

authors： Dalakouras A,Dadami E,Bassler A,Zwiebel M,Krczal G,Wassenegger M

更新日期：2015-01-01 00:00:00

abstract：:Non-coding RNA (ncRNA) molecules have fundamental roles in cells and many are also stable in body fluids as extracellular RNAs. In this study, we used RNA sequencing (RNA-seq) to investigate the profile of small non-coding RNA (sncRNA) in human serum. We analyzed 10 billion Illumina reads from 477 serum samples, inclu...

journal_title：RNA biology

authors： Umu SU,Langseth H,Bucher-Johannessen C,Fromm B,Keller A,Meese E,Lauritzen M,Leithaug M,Lyle R,Rounge TB

更新日期：2018-02-01 00:00:00

abstract：:The RNA component of the RNase P complex is found throughout most branches of the tree of life and is principally responsible for removing the 5' leader sequence from pre-tRNA transcripts during tRNA maturation. RNase P RNA has a number of universal core features, however variations in sequence and structure found in ...

journal_title：RNA biology

authors： Chan PP,Brown JW,Lowe TM

更新日期：2012-09-01 00:00:00

abstract：:Mutations in genes that encode tRNAs, aminoacyl-tRNA syntheases, tRNA modifying enzymes and other tRNA interacting partners are associated with neuropathies, cancer, type-II diabetes and hearing loss, but how these mutations cause disease is unclear. We have hypothesized that levels of tRNA decoding error (mistranslat...

journal_title：RNA biology

authors： Reverendo M,Soares AR,Pereira PM,Carreto L,Ferreira V,Gatti E,Pierre P,Moura GR,Santos MA

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：:Amphioxus is the closest living proxy for exploring the evolutionary origin of the immune system in vertebrates. To understand the immune responses of amphioxus to lipopolysaccharide (LPS), 5 ribosomal RNA (rRNA)-depleted libraries of amphioxus were constructed, including one control (0 h) library and 4 treatment libr...

journal_title：RNA biology

authors： Zhang QL,Zhu QH,Xie ZQ,Xu B,Wang XQ,Chen JY

更新日期：2017-12-02 00:00:00

abstract：:The PDCD1 gene encodes PD-1, an important immune checkpoint protein and key immunotherapy target to treat cancer. PDCD1 is alternatively spliced to generate an exon 3-skipped isoform PD-1Δ3 that has been suggested to play an antagonistic role to PD-1, but the mechanism underlying alternative splicing of PDCD1 has neve...

journal_title：RNA biology

authors： Sun J,Bai J,Jiang T,Gao Y,Hua Y

更新日期：2019-12-01 00:00:00

abstract：:At low temperatures the Escherichia coli rpoS mRNA, encoding the stationary phase sigma factor RpoS, forms an intramolecular secondary structure (iss) that impedes translation initiation. Under these conditions the small RNA DsrA, which is stabilzed by Hfq, forms a duplex with rpoS mRNA sequences opposite of the ribos...

journal_title：RNA biology

authors： Hämmerle H,Večerek B,Resch A,Bläsi U

更新日期：2013-12-01 00:00:00

abstract：:The non-coding roX1 and roX2 RNAs are components of the MSL dosage compensation complex in Drosophila. We found that multiple species of roX2 RNA are produced by alternative splicing, with one major and at least 20 different minor forms associated with MSL proteins. The alternative forms are generated by variable usag...

journal_title：RNA biology

authors： Park Y,Oh H,Meller VH,Kuroda MI

更新日期：2005-10-01 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：:We had previously proposed that the post-transcriptional regulation through microRNA as a mechanism for incomplete penetrance and variable expressivity, leads to lack of correlation between genotype and phenotype. Here we report the validation of miRNA-target interactions we predicted earlier and demonstrate the regul...

journal_title：RNA biology

authors： Ahluwalia JK,Soni K,Sivasubbu S,Brahmachari V

更新日期：2012-03-01 00:00:00

abstract：:The development of rigorous molecular taxonomy pioneered by Carl Woese has freed evolution science to explore numerous cellular activities that lead to genome change in evolution. These activities include symbiogenesis, inter- and intracellular horizontal DNA transfer, incorporation of DNA from infectious agents, and ...

journal_title：RNA biology

authors： Shapiro JA

更新日期：2014-01-01 00:00:00

abstract：:Circular RNAs (circRNAs) are closely associated with the development of non-small cell lung cancer (NSCLC); however, it is still unclear whether circular RNA circ-LDLRAD3 participated in the regulation of NSCLC progression. In this study, we found that circ-LDLRAD3 was high-expressed and miR-137 was low-expressed in N...

journal_title：RNA biology

authors： Xue M,Hong W,Jiang J,Zhao F,Gao X

更新日期：2020-12-01 00:00:00

abstract：:YchF is one of two universally conserved GTPases with unknown cellular function. As a first step toward elucidating YchF's cellular role, we performed a detailed biochemical characterization of the protein from Escherichia coli. Our data from fluorescence titrations not only confirmed the surprising finding that YchFE...

journal_title：RNA biology

authors： Becker M,Gzyl KE,Altamirano AM,Vuong A,Urban K,Wieden HJ

更新日期：2012-10-01 00:00:00

abstract：:5-fluorouracil (5-FU) was isolated as an inhibitor of thymidylate synthase, which is important for DNA synthesis. The drug was later found to also affect the conserved 3'-5' exoribonuclease EXOSC10/Rrp6, a catalytic subunit of the RNA exosome that degrades and processes protein-coding and non-coding transcripts. Work ...

journal_title：RNA biology

authors： Xie B,Becker E,Stuparevic I,Wery M,Szachnowski U,Morillon A,Primig M

更新日期：2019-06-01 00:00:00

abstract：:Genuine La and La-related proteins group 7 (LARP7) bind to the non-coding RNAs transcribed by RNA polymerase III (RNAPIII), which end in UUU-3'OH. The La motif and RRM1 of these proteins (the La module) cooperate to bind the UUU-3'OH, protecting the RNA from degradation, while other domains may be important for RNA fo...

journal_title：RNA biology

authors： Singh M,Choi CP,Feigon J

更新日期：2013-03-01 00:00:00

abstract：:Two different isolates of the myxomycete Didymium iridis harbour homing endonuclease genes that are expressed from group I introns inserted into identical sites within the small subunit ribosomal DNA. The homing endonuclease proteins are related in sequence, and their gene structures share similar features such as the...

journal_title：RNA biology

authors： Johansen SD,Vader A,Sjøttem E,Nielsen H

更新日期：2006-10-01 00:00:00

abstract：:Translation begins at AUG, GUG, or UUG codons in bacteria. Start codon recognition occurs in the P site, which may help explain this first-position degeneracy. However, the molecular basis of start codon specificity remains unclear. In this study, we measured the codon dependence of 30S•mRNA•tRNAfMet and 30S•mRNA•tRNA...

journal_title：RNA biology

authors： Roy B,Liu Q,Shoji S,Fredrick K

更新日期：2018-01-01 00:00:00

abstract：:MicroRNAs are small RNAs that post-transcriptionally regulate eukaryotic gene expression. In addition to their involvement in a wide range of physiological and pathological processes, including viral infections, microRNAs are increasingly implicated in the eukaryotic response to bacterial pathogens. Recent studies hav...

journal_title：RNA biology

authors： Eulalio A,Schulte L,Vogel J

更新日期：2012-06-01 00:00:00

abstract：:Amplification or overexpression of neuronal MYC (MYCN) is associated with poor prognosis of human neuroblastoma. Three isoforms of the MYCN protein have been described as well as a protein encoded by an antisense transcript (MYCNOS) that originates from the opposite strand at the MYCN locus. Recent findings suggest th...

journal_title：RNA biology

authors： Vadie N,Saayman S,Lenox A,Ackley A,Clemson M,Burdach J,Hart J,Vogt PK,Morris KV

更新日期：2015-01-01 00:00:00

abstract：:While disruption of alternative splicing underlies many diseases, modulation of splicing using antisense oligonucleotides (AONs) can have therapeutic implications. The most notable example is Duchenne muscular dystrophy (DMD), where antisense-mediated exon skipping can restore the open reading frame and allow the synt...

journal_title：RNA biology

authors： Aartsma-Rus A

更新日期：2010-07-01 00:00:00

abstract：:Transcriptional regulation of microRNA (miRNA) expression is one of the least understood aspects of miRNA biogenesis. In C. elegans the list of miRNAs whose transcriptional control has been described in some detail is currently limited to four: let-7, lin-4, lsy-6, and mir-61. Each of these genes has been shown experi...

journal_title：RNA biology

authors： Turner MJ,Slack FJ

更新日期：2009-01-01 00:00:00

abstract：:In the last years, a number of nuclear genes restoring cytoplasmic male sterility (CMS) have been cloned in various crop species. The majority of these genes have been shown to encode pentatricopeptide repeat proteins (PPR) that act by specifically suppressing the expression of sterility-causing mitochondrial transcri...

journal_title：RNA biology

authors： Dahan J,Mireau H

更新日期：2013-01-01 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 innate immune system is the first line of defense against microbial pathogens, but tight regulation of gene expression is necessary to prevent the detrimental effects of unrestrained activation. Although the functions of most long noncoding RNAs (lncRNAs; >200 nucleotides) are unknown, many have been shown to regu...

journal_title：RNA biology

authors： Li Z,Rana TM

更新日期：2014-01-01 00:00:00

abstract：:Staphylococcus aureus is one of the major human pathogens, which causes numerous community-associated and hospital-acquired infections. The regulation of the expression of numerous virulence factors is coordinated by complex interplays between two component systems, transcriptional regulatory proteins, and regulatory ...

journal_title：RNA biology

authors： Romilly C,Caldelari I,Parmentier D,Lioliou E,Romby P,Fechter P

更新日期：2012-04-01 00:00:00

abstract：:"What does one do when the giants pass away?" remarked a very famous microbiologist to me, soon after the death of Carl Woese in late 2012. I teach microbiology and introductory cell and molecular biology at a small undergraduate institution; Woese's example and contributions have long been part of every class I teach...

journal_title：RNA biology

authors： Martin M

更新日期：2014-01-01 00:00:00

abstract：:Physical entanglement, and particularly knots arise spontaneously in equilibrated polymers that are sufficiently long and densely packed. Biopolymers are no exceptions: knots have long been known to occur in proteins as well as in encapsidated viral DNA. The rapidly growing number of RNA structures has recently made i...

journal_title：RNA biology

authors： Burton AS,Di Stefano M,Lehman N,Orland H,Micheletti C

更新日期：2016-01-01 00:00:00

abstract：:High concentrations (> 100 µM) of the ribonucleoside analog 4-thiouridine (4sU) is widely used in methods for RNA analysis like photoactivatable-ribonucleoside-enhanced crosslinking and immunoprecipitation (PAR-CLIP) and nascent messenger (m)RNA labeling (4sU-tagging). Here, we show that 4sU-tagging at low concentrati...

journal_title：RNA biology

authors： Burger K,Mühl B,Kellner M,Rohrmoser M,Gruber-Eber A,Windhager L,Friedel CC,Dölken L,Eick D

更新日期：2013-10-01 00:00:00