Results 21 to 30 of about 86,120 (307)
Non-canonical binding interactions of the RNA recognition motif (RRM) domains of P34 protein modulate binding within the 5S ribonucleoprotein particle (5S RNP). [PDF]
PLoS ONE, 2017 RNA binding proteins are involved in many aspects of RNA metabolism. In Trypanosoma brucei, our laboratory has identified two trypanosome-specific RNA binding proteins P34 and P37 that are involved in the maturation of the 60S subunit during ribosome ...
Anyango D Kamina, Noreen Williams
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Is the 5S RNA a primitive ribosomal sequence? [PDF]
Proceedings of the National Academy of Sciences, 1985 A tandemly arranged cluster of 55 RNA-like sequences in the middle of ribosomal 26S to 28S rRNAs from divergent eukaryotic organisms raises the possibility that the larger ribosomal RNAs were built up, at least in part, by gene amplification events and suggests an intriguing evolutionary relationship between the 55 rRNA and the larger rRNA molecules.
Ross N. Nazar, W. Wei‐Lynn Wong
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Heterochromatic siRNAs and DDM1 independently silence aberrant 5S rDNA transcripts in Arabidopsis. [PDF]
PLoS ONE, 2009 5S ribosomal RNA gene repeats are arranged in heterochromatic arrays (5S rDNA) situated near the centromeres of Arabidopsis chromosomes. The chromatin remodeling factor DDM1 is known to maintain 5S rDNA methylation patterns while silencing transcription ...
Todd Blevins +3 more
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Generalized structures of the 5S ribosomal RNAs [PDF]
Nucleic Acids Research, 1982 The sequences of 5S ribosomal RNAs from a wide-range of organisms have been compared. All sequences fit a generalized 5S RNA secondary structural model. Twenty-three nucleotide positions are found universally, i.e., in 5S RNAs of eukaryotes, prokaryotes, archaebacteria, chloroplasts and mitochondria.
Nicholas Delihas, Janet Andersen
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Isolation of a transcription complex for ribosomal 5S RNA. [PDF]
The EMBO Journal, 1984 Cloned 5S rRNA genes from Xenopus borealis oocytes can be used to assemble functional transcription complexes from cytoplasmic HeLa cell extracts as a source for polymerase III and all factors additionally required for faithful 5S RNA transcription.
Edgar Wingender +3 more
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Characterization of a novel association between two trypanosome-specific proteins and 5S rRNA. [PDF]
PLoS ONE, 2012 P34 and P37 are two previously identified RNA binding proteins in the flagellate protozoan Trypanosoma brucei. RNA interference studies have determined that the proteins are essential and are involved in ribosome biogenesis.
Martin Ciganda, Noreen Williams
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Scientific Reports, 2021 The short and similar sized chromosomes of Acropora pose a challenge for karyotyping. Conventional methods, such as staining of heterochromatic regions, provide unclear banding patterns that hamper identification of such chromosomes.
Joshua Vacarizas +6 more
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Parasites & Vectors, 2023 Background Trypanosomes are single-celled eukaryotes that rely heavily on post-transcriptional mechanisms to regulate gene expression. RNA-binding proteins play essential roles in regulating the fate, abundance and translation of messenger RNAs (mRNAs ...
Gloria Ceballos-Pérez +3 more
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The long-range interaction map of ribosomal DNA arrays. [PDF]
PLoS Genetics, 2018 The repeated rDNA array gives rise to the nucleolus, an organelle that is central to cellular processes as varied as stress response, cell cycle regulation, RNA modification, cell metabolism, and genome stability.
Shoukai Yu, Bernardo Lemos
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Amplification and adaptation of centromeric repeats in polyploid switchgrass species. [PDF]
, 2018 Centromeres in most higher eukaryotes are composed of long arrays of satellite repeats from a single satellite repeat family. Why centromeres are dominated by a single satellite repeat and how the satellite repeats originate and evolve are among the most
Braz, Guilherme T +10 more
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