Introns in protein‐coding genes in Archaea

@article{Watanabe2002IntronsIP,
  title={Introns in protein‐coding genes in Archaea},
  author={Yoh‐ichi Watanabe and Shin-Ichi Yokobori and T Inaba and Akihiko Yamagishi and Tairo Oshima and Yutaka Kawarabayasi and Hisasi Kikuchi and Kiyoshi Kita},
  journal={FEBS Letters},
  year={2002},
  volume={510}
}

Archaeal pre-mRNA splicing: a connection to hetero-oligomeric splicing endonuclease.

INTRON AND RNA SPLICING IN ARCHAEA

TLDR
The novel tertiary structure of the splicing endonuclease is solved, and it is revealed that the lineage-specific insertion of amino acid residues in the end onuclease expands the recognition of the substrate precursor RNA.

Splicing Endonuclease Is an Important Player in rRNA and tRNA Maturation in Archaea

TLDR
In this study, CRISPRi was employed to repress expression of the splicing endonuclease in the archaeon Haloferax volcanii to identify all substrates of this enzyme and isolated and sequenced circular RNAs, which identified excised introns removed from tRNA and rRNA precursors as well as from the 5′ UTR of the gene HVO_1309.

Two reactions of Haloferax volcanii RNA splicing enzymes: joining of exons and circularization of introns.

TLDR
The cells of Haloferax volcanii, a Euryarchaeote, are shown to contain circular RNAs formed by 3',5'-phosphodiester linkage between the two termini of the introns derived from their pre-tRNAs.

In silico screening of archaeal tRNA-encoding genes having multiple introns with bulge-helix-bulge splicing motifs.

TLDR
By a comprehensive search for tRNA genes in 29 archaeal genomes using SPLITSX, 43 novel candidates that contain introns at noncanonical sites are found, including 15 that contained two introns and three that contained three introns within the respective putative t RNA genes.

Comparative Detection of Processed Small RNAs in Archaea

TLDR
An analysis of the viability of using pattern-based and stochastic structural scanning algorithms for in silico studies of the occurrence of BHB motifs and comment on splicing motifs in other small RNAs, which mostly do not follow the pattern of bulge-helix-bulge motifs.

Transfer RNA genes in pieces

TLDR
An overview of the various types of fragmented tRNA genes is provided and the hypothesis that the integration of mobile genetic elements—including viruses and plasmids—established such genes in pieces is examined.

Archaeal and eukaryotic homologs of Hfq

TLDR
The archaeal domain of life is a missing link, and an opportunity, in Sm-based RNA biology, by leveraging the homology between these lineages to make phylogenetic inferences about Sm functions in archaea.

concept co cept Transfer RNA genes in pieces

TLDR
An overview of the various types of fragmented tRNA genes is provided and the hypothesis that the integration of mobile genetic elements—including viruses and plasmids—established such genes in pieces is examined.
...

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