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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
biochemistry, genetics and molecular biology
Trypanosoma brucei contains two RNA polymerase II largest subunit genes with an altered C-terminal domain
Cell, Volume 56, No. 4, Year 1989
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Description
We have identified and cloned four trypanosomal RNA polymerase largest subunit genes. Here, we present the molecular analysis of two genes, Trp4.8 and Trp5.9. The sequence of these genes shows that they are almost identical to each other and indicates that they encode the largest subunit of RNA polymerase II. Both genes contain a C-terminal extension that is clearly distinct from that of other eukaryotic RNA polymerase II genes, because it lacks the common tandemly repeated heptapeptide sequence and is rich in acidic amino acids. It shares many potential phosphorylation sites, however, with the C-terminal extension of other eukaryotic RNA polymerase II large subunits. The presence of two RNA polymerase II loci suggests that a fourth RNA polymerase could be formed. Interestingly, the fourth gene is only found in species exhibiting antigenic variation. © 1989.
Authors & Co-Authors
Kock, Johan Lodewyk F.
Germany, Tubingen
Max Planck Campus Tübingen
Statistics
Citations: 95
Authors: 1
Affiliations: 3
Identifiers
Doi:
10.1016/0092-8674(89)90581-3
ISSN:
00928674
Research Areas
Genetics And Genomics