The non-coding RNA TERRA is a natural ligand and direct inhibitor of human telomerase
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Telomerase is a ribonucleoprotein enzyme that adds repetitive sequences to the ends of linear chromosomes, thereby counteracting nucleotide loss due to incomplete replication. A short region of the telomerase RNA subunit serves as template for nucleotide a ...
The reaction of d,l-5'-activated nucleotide of adenosine in the presence and absence of montmorillonite gave 60:40 and 96:4 ratios, resp. of the d,d- and l,l:d,l- and l,d-dimers. [on SciFinder (R)] ...
Telomerase is the ribonucleoprotein enzyme responsible for the replication of chromosome ends in most eukaryotes. In the ciliate Euplotes aediculatus, the protein p43 biochemically co-purifies with active telomerase and appears to be stoichiometric with bo ...
Telomerase, the enzyme that extends chromosomal DNA ends in most eukaryotes, contains essential RNA and protein subunits. We have been studying telomere replication in hypotrichous ciliates such as Euplotes aediculatus, which have numerous short macronucle ...
Synthesis of telomeric repeats at chromosome ends requires telomerase, a ribonucleoprotein enzyme. The RNA subunit, which contains the template for DNA synthesis, has been identified in many organisms. Recently, the protein subunit that catalyzes telomeric ...
Telomerase uses a short stretch of its intrinsic RNA molecule as template for telomere repeat synthesis. Reverse transcription of the RNA template is catalyzed by the telomerase reverse transcriptase (TERT) protein subunit. We demonstrate that human telome ...
Telomerase is composed of protein and RNA. The RNA serves as a template for telomere DNA synthesis and may also be important for enzyme structure or catalysis. We have used the presence of conserved sequence elements in the promoter and template regions to ...
High-density oligonucleotide arrays are among the most rapidly expanding technologies in biology today. In the GeneChip system, the reconstruction of the sample mRNA concentrations depends upon the differential signal generated by hybridizing the RNA to tw ...
Poly(A) polymerase was purified 22,000-fold to homogeneity from a whole cell extract of Saccharomyces cerevisiae with a yield of 22%. The enzyme is a monomeric polypeptide with a denatured molecular weight of 63,000. Incorporation of labeled ATP into acid- ...
Two commonly used methods to end-label RNA-molecules are 5'-end labeling by polynucleotide kinase and 3'-end labeling with pCp and T4 RNA ligase. We show here that RNA 3'-ends can also be labeled with the chain-terminating analogue cordycepin 5'-triphospha ...
