pre-rRNA

pre-rRNA
pre-ribosomal RNA the large primary transcript that is synthesized and processed in the nucleolus to yield three of the mature rRNA molecules found in eukaryotic ribosomes (18S, 5.8S, and 28S in higher eukaryotes). Small nucleolar RNA's (snoRNA's) assist in processing.

Medical dictionary. 2011.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • Gene expression — For vocabulary, see Glossary of gene expression terms. For a non technical introduction to the topic, see Introduction to genetics. Genes are expressed by being transcribed into RNA, and this transcript may then be translated into protein. Gene… …   Wikipedia

  • SnoRNA — Small nucleolar RNAs (snoRNAs) are a class of small RNA molecules that guide chemical modifications (methylation or pseudouridylation) of ribosomal RNAs (rRNAs) and other RNA genes (tRNAs and other small nuclear RNAs (snRNAs)) . They are… …   Wikipedia

  • Cell nucleus — HeLa cells stained for the cell nucleus DNA with the Blue Hoechst dye. The central and rightmost cell are in interphase, thus their entire nuclei are labeled. On the left, a cell is going through mitosis and its DNA has condensed ready for… …   Wikipedia

  • Nucleolus — The nucleolus is contained within the cell nucleus …   Wikipedia

  • Shq1 — Shq1p is a protein involved in the rRNA processing pathway. It was discovered by Pok Yang in the [http://www.chem.ucla.edu/dept/Faculty/chanfreau/index.html Chanfreau laboratory] at UCLA. Depletion of Shq1p has led to decreased level of various… …   Wikipedia

  • RNA polymerase — RNAP from T. aquaticus pictured during elongation. Portions of the enzyme were made transparent so as to make the path of RNA and DNA more clear. The magnesium ion (yellow) is located at the enzyme active site. RNA polymerase (RNAP or RNApol) is… …   Wikipedia

  • Small nucleolar RNA SNORA73 — In molecular biology, the small nucleolar RNA SNORA73 (also called U17/E1 RNA) belongs to the H/ACA class of small nucleolar RNAs (snoRNAs). Vertebrate U17 is intron encoded and ranges in length from 200 230 nucleotides, longer than most snoRNAs …   Wikipedia

  • Cech , Thomas Robert — (1947–) American chemist Chicago born Cech was educated at the University of California, Berkeley, where he gained his PhD in 1975. He then joined the faculty of the University of Colorado, Boulder, where he became professor of chemistry in 1983 …   Scientists

  • NOL5A — NOP56 ribonucleoprotein homolog (yeast) Identifiers Symbols NOP56; NOL5A; SCA36 External IDs …   Wikipedia

  • Small nucleolar RNA U3 — U3 snoRNA is a non coding RNA that is a member of the box C/D class of snoRNAs. Small nucleolar RNAs (snoRNAs) are involved in the processing and modification of rRNA in the nucleolus. There are two main classes of snoRNAs: the box C/D class, and …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”