Results 1 to 10 of about 139,759 (216)

Optimal eukaryotic 18S and universal 16S/18S ribosomal RNA primers and their application in a study of symbiosis. [PDF]

open access: yesPLoS ONE, 2014
Eukaryotic 18S ribosomal RNA (rRNA) gene primers that feature a wide coverage are critical in detecting the composition of eukaryotic microscopic organisms in ecosystems.
Yong Wang   +4 more
doaj   +3 more sources

Structural and functional analysis of Utp24, an endonuclease for processing 18S ribosomal RNA. [PDF]

open access: goldPLoS ONE, 2018
The precursor ribosomal RNA is processed by multiple steps of nucleolytic cleavage to generate mature rRNAs. Utp24 is a PIN domain endonuclease in the early 90S precursor of small ribosomal subunit and is proposed to cleave at sites A1 and A2 of pre-rRNA.
Weidong An, Yifei Du, Keqiong Ye
doaj   +4 more sources

The 18S ribosomal RNA m6 A methyltransferase Mettl5 is required for normal walking behavior in Drosophila. [PDF]

open access: yesEMBO Rep, 2020
RNA modifications have recently emerged as an important layer of gene regulation. N6‐methyladenosine (m6A) is the most prominent modification on eukaryotic messenger RNA and has also been found on noncoding RNA, including ribosomal and small nuclear RNA.
Leismann J   +11 more
europepmc   +2 more sources

PEMA: a flexible Pipeline for Environmental DNA Metabarcoding Analysis of the 16S/18S ribosomal RNA, ITS, and COI marker genes. [PDF]

open access: yesGigascience, 2020
Background Environmental DNA and metabarcoding allow the identification of a mixture of species and launch a new era in bio- and eco-assessment. Many steps are required to obtain taxonomically assigned matrices from raw data.
Zafeiropoulos H   +7 more
europepmc   +2 more sources

Exonuclease resistant 18S and 25S ribosomal RNA components in yeast are possibly newly transcribed by RNA polymerase II [PDF]

open access: goldBMC Molecular and Cell Biology, 2020
Background We have previously reported 18S and 25S ribosomal RNA molecules in Candida albicans resistant to processive 5′ → 3′ exonuclease, appearing as cells approached stationary growth phase. Initial analysis pointed to extra phosphate(s) at their 5′-
Jacob Fleischmann   +4 more
doaj   +2 more sources

18S Ribosomal RNA Evaluation as Preanalytical Quality Control for Animal DNA. [PDF]

open access: yesBiomed Res Int, 2016
The 18S ribosomal RNA (rRNA) gene is present in all eukaryotic cells. In this study, we evaluated the use of this gene to verify the presence of PCR-amplifiable host (animal) DNA as an indicator of sufficient sample quality for quantitative real-time PCR
Leonard CA, Meli ML, Novacco M, Borel N.
europepmc   +2 more sources

Site-specific methylation of 18S ribosomal RNA by SNORD42A is required for Acute Myeloid Leukemia cell proliferation. [PDF]

open access: bronzeBlood, 2020
Non-coding RNAs including small nucleolar RNAs (snoRNAs) play important roles in leukemogenesis but the relevant mechanisms remain incompletely understood.
C. Pauli   +13 more
semanticscholar   +2 more sources

Methyltransferase ATMETTL5 writes m6A on 18S ribosomal RNA to regulate translation in Arabidopsis. [PDF]

open access: hybridNew Phytologist
Aberrant RNA modifications can lead to dysregulated gene expression and impeded growth in plants. Ribosomal RNA (rRNA) constitutes a substantial portion of total RNA, while the precise functions and molecular mechanisms underlying rRNA modifications in ...
Peizhe Song   +8 more
semanticscholar   +2 more sources

Effects of In Utero EtOH Exposure on 18S Ribosomal RNA Processing: Contribution to Fetal Alcohol Spectrum Disorder. [PDF]

open access: goldInt J Mol Sci, 2023
Darbinian N   +8 more
europepmc   +3 more sources

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