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Telomeric repeat–containing RNA (TERRA) is a long non-coding RNA transcribed from telomeres - repetitive nucleotide regions found on the ends of chromosomes that function to protect DNA from deterioration or fusion with neighboring chromosomes. TERRA has been shown to be ubiquitously expressed in almost all cell types containing linear ...
TERRA in biology is an abbreviation for "TElomeric Repeat-containing RNA". [1] TERRA is RNA that is transcribed from telomeres — the repeating 6-nucleotide sequences that cap the ends of chromosomes. TERRA functions with shelterin to inhibit telomere lengthening by enzyme telomerase. [1]
Human chromosomes (grey) capped by telomeres (white). A telomere (/ ˈ t ɛ l ə m ɪər, ˈ t iː l ə-/; from Ancient Greek τέλος (télos) 'end' and μέρος (méros) 'part') is a region of repetitive nucleotide sequences associated with specialized proteins at the ends of linear chromosomes (see Sequences).
This repeat does vary across eukaryotes (see the table on the telomere article for a complete list). The enzyme consists of a protein component with reverse transcriptase activity, and an RNA component, encoded by this gene, that serves as a template for the telomere repeat. CCCUAA found near position 50 of the vertebrate TERC sequence acts as ...
Telomeres have been long considered transcriptionally inert DNA-protein complexes until it was shown in the late 2000s that telomeric repeats may be transcribed as telomeric RNAs (TelRNAs) [133] or telomeric repeat-containing RNAs. [134]
B) 2-5 anti-hTR oligonucleotides is a specialized antisense oligo that can bind to the telomerase RNA. C) Once bound, the 2-5 anti-hTR oligonucleotide recruits RNase L to the sequence. Once recruited, the RNase L creates a single cleavage in the RNA (D) and causes dissociation of the RNA sequence.
TERRA (biology), TElomeric Repeat-containing RNA: RNA resulting from telomere transcription; People. Given name Terra Deva ...
Telomeric repeat-containing RNA (TERRA) are transcripts derived from telomeres. TERRA has been shown to maintain telomerase activity and lengthen the ends of chromosomes. TERRA has been shown to maintain telomerase activity and lengthen the ends of chromosomes.