A small sequence in domain V of the mitochondrial large ribosomal RNA restores Drosophila melanogaster pole cell determination in UV-irradiated embryos

• Autorzy: Psaila R , Ponti D. , Ponzi M. , Gigliani F. , Battaglia P.A.
• Języki publikacji: EN

Abstrakty

EN

The mechanism by which the mitochondrial large rRNA is involved in the restoration of the pole cell-forming ability in Drosophila embryos is still unknown. We identified a 15-ribonucleotide sequence which is conserved from the protobacterium Wolbachia to the higher eukaryotes in domain V of the mitochondrial large rRNA. This short sequence is sufficient to restore pole cell determination in UV-irradiated Drosophila embryos. Here, we provide evidence that the conserved 15-base sequence is sufficient to restore luciferase activity in vitro. Moreover, we show that the internal GAGA sequence is involved in protein binding and that mutations in this tetranucleotide affect the sequence’s ability to restore luciferase activity. The obtained results lead us to propose that mtlrRNA may be involved either in damaged protein reactivation or in protein biosynthesis during pole cell determination.

Słowa kluczowe

EN

mitochondrial large ribosome RNA; mitochondrial small ribosome RNA; ribosomal RNA; Drosophila melanogaster; pole cell; determination; ultraviolet irradiation; embryo

• Wydawca: -
• Czasopismo: Cellular and Molecular Biology Letters
• Rocznik: 2010
• Tom: 15
• Numer: 3
• Strony: 365-376
• Opis fizyczny: p.365-376,fig.,ref.

Twórcy

autor

Psaila R

• Istituto Superiore di Sanita Viale Regina Elena 299, 00161 Roma, Italy

autor

Ponti D.

autor

Ponzi M.

autor

Gigliani F.

autor

Battaglia P.A.

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