Results 21 to 30 of about 1,352,832 (329)

Homoiterons and expansion in ribosomal RNAs [PDF]

open access: yesFEBS Open Bio, 2015
Ribosomal RNAs in both prokaryotes and eukaryotes feature numerous repeats of three or more nucleotides with the same nucleobase (homoiterons). In prokaryotes these repeats are much more frequent in thermophile compared to mesophile or psychrophile species, and have similar frequency in both large RNAs.
Steven L. Parker   +3 more
openaire   +4 more sources

Traffic of interacting ribosomes: effects of single-machine mechano-chemistry on protein synthesis [PDF]

open access: yesPhysical Review E 75, 021902 (2007), 2006
Many ribosomes simultaneously move on the same messenger RNA (mRNA), each separately synthesizing the protein coded by the mRNA. Earlier models of ribosome traffic represent each ribosome by a ``self-propelled particle'' and capture the dynamics by an extension of the totally asymmetric simple exclusion process (TASEP).
arxiv   +2 more sources

Conformational switches control early maturation of the eukaryotic small ribosomal subunit

open access: yeseLife, 2019
Eukaryotic ribosome biogenesis is initiated with the transcription of pre-ribosomal RNA at the 5’ external transcribed spacer, which directs the early association of assembly factors but is absent from the mature ribosome.
Mirjam Hunziker   +5 more
doaj   +1 more source

HMG-boxes, ribosomopathies and neurodegenerative disease

open access: yesFrontiers in Genetics, 2023
The UBTF E210K neuroregression syndrome is a predominantly neurological disorder caused by recurrent de novo dominant variants in Upstream Binding Factor, that is, essential for transcription of the ribosomal RNA genes. This unusual form of ribosomopathy
Tom Moss   +4 more
doaj   +1 more source

RNAmmer: consistent and rapid annotation of ribosomal RNA genes

open access: yesNucleic Acids Research, 2007
The publication of a complete genome sequence is usually accompanied by annotations of its genes. In contrast to protein coding genes, genes for ribosomal RNA (rRNA) are often poorly or inconsistently annotated.
K. Lagesen   +5 more
semanticscholar   +1 more source

RNA‐guided nucleotide modification of ribosomal and non‐ribosomal RNAs in Archaea [PDF]

open access: yesMolecular Microbiology, 2004
SummaryArchaea use ribonucleoprotein (RNP) machines similar to those found in the eukaryotic nucleolus to methylate ribose residues in nascent ribosomal RNA. The archaeal complex required for this 2′‐O‐ribose‐methylation consists of the C/D box sRNA guide and three proteins, the core RNA‐binding aL7a protein, the aNop56 protein and the ...
Patrick P. Dennis   +3 more
openaire   +3 more sources

The complete chloroplast genome of Juniperus squamata (Cupressaceae), a shrubby conifer from Asian Mountains

open access: yesMitochondrial DNA. Part B. Resources, 2019
The complete chloroplast genome of Juniperus squamata, a shrubby conifer of ornamental value, is determined in this study. The complete chloroplast genome size is 127,792 bp in length.
Siyu Xie   +4 more
doaj   +1 more source

SILVA: a comprehensive online resource for quality checked and aligned ribosomal RNA sequence data compatible with ARB

open access: yesNucleic Acids Research, 2007
Sequencing ribosomal RNA (rRNA) genes is currently the method of choice for phylogenetic reconstruction, nucleic acid based detection and quantification of microbial diversity. The ARB software suite with its corresponding rRNA datasets has been accepted
E. Pruesse   +6 more
semanticscholar   +1 more source

Recent Advances on the Structure and Function of RNA Acetyltransferase Kre33/NAT10

open access: yesCells, 2019
Ribosome biogenesis is one of the most energy demanding processes in the cell. In eukaryotes, the main steps of this process occur in the nucleolus and include pre-ribosomal RNA (pre-rRNA) processing, post-transcriptional modifications, and assembly of ...
Sophie Sleiman, Francois Dragon
doaj   +1 more source

FIERY1 promotes microRNA accumulation by suppressing rRNA-derived small interfering RNAs in Arabidopsis

open access: yesNature Communications, 2019
Arabidopsis AGO1 binds both microRNA (miRNA) and endogenous small interfering RNA (siRNA). Here the authors show that 5′−3′ RNA degradation suppresses siRNA biogenesis from ribosomal RNA to prevent overloading of AGO1 with ribosomal siRNA and maintain ...
Chenjiang You   +8 more
doaj   +1 more source

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