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5S rRNA genes


'5S rRNA genes' can also refer to...

5S rRNA genes

5S rRNA genes

Compilation of 5S rRNA and 5S rRNA gene sequences

Regulation of Arabidopsis thaliana 5S rRNA Genes

Dicistronic tRNA–5S rRNA genes in Yarrowia lipolytica: an alternative TFIIIA-independent way for expression of 5S rRNA genes

Physical mapping and characterization of 5S rRNA genes in Douglas-fir

Diversity of 5S rRNA genes within individual prokaryotic genomes

5S rRNA gene deletions cause an unexpectedly high fitness loss in Escherichia coli

R5 Retrotransposons Insert into a Family of Infrequently Transcribed 28S rRNA Genes of Planaria

Assembly and isolation of intermediate steps of transcription complexes formed on the human 5S rRNA gene

The internal transcribed spacers and 5.8S rRNA gene show extensive diversity among isolates of the Cryptococcus neoformans species complex

An evolutionary conserved pattern of 18S rRNA sequence complementarity to mRNA 5′ UTRs and its implications for eukaryotic gene translation regulation

Identification of yeast species from orange fruit and juice by RFLP and sequence analysis of the 5.8S rRNA gene and the two internal transcribed spacers

Both the 5S rRNA gene and the AT-rich flanks of Xenopus laevis oocyte-type 5S rDNA repeat are required for histone H1-dependent repression of transcription of pol III-type genes in in vitro reconstituted chromatin

Three oligotrophic bacterial strains were cultured from the ground water of the deep-well monitoring site S15 of the Siberian radioactive waste depository Tomsk-7, Russia. They were affiliated with Actinobacteria from the genus Microbacterium. The almost fully sequenced 16S rRNA genes of two of the isolates, S15-M2 and S15-M5, were identical to those of cultured representatives of the species Microbacterium oxydans. The third isolate, S15-M4, shared 99.8% of 16S rRNA gene identity with them. The latter isolate possessed a distinct cell morphology as well as carbon source utilization pattern from the M. oxydans strains S15-M2 and S15-M5. The three isolates tolerated equal amounts of uranium, lead, copper, silver and chromium but they differed in their tolerance of cadmium and nickel. The cells of all three strains accumulated high amounts of uranium, i.e. up to 240 mg U (g dry biomass)−1 in the case of M. oxydans S15-M2. X-ray absorption spectroscopy (XAS) analysis showed that this strain precipitated U(VI) at pH 4.5 as a meta-autunite-like phase. At pH 2, the uranium formed complexes with organically bound phosphate groups on the cell surface. The results of the XAS studies were consistent with those obtained by transmission electron microscopy (TEM) and energy dispersive X-ray analysis (EDX)

 

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Genes that are transcribed into 5S rRNAs. Such genes occur in tandemly linked clusters in all eukaryotes. In Xenopus laevis, 5S rRNA genes account for 0.5% of the entire genome. There are three separate 5S rRNA multigene families. Two of these, the major oocyte and trace oocyte families, are expressed only in oocytes, while a third, somatic 5S rDNA, is expressed in all types of somatic cells. The major oocyte, trace oocyte, and somatic 5S rDNAs are present in 20,000, 1,300, and 400 copies, respectively, per haploid genome.

Subjects: Genetics and Genomics.


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