E Ullu
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Explore the profile of E Ullu including associated specialties, affiliations and a list of published articles.
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Articles
54
Citations
1977
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Recent Articles
1.
Djikeng A, Shi H, Tschudi C, Ullu E
RNA
. 2001 Nov;
7(11):1522-30.
PMID: 11720282
In animals and protozoa, gene-specific double-stranded RNA (dsRNA) triggers degradation of homologous cellular RNAs, a phenomenon known as RNA interference (RNAi). In vitro and in vivo dsRNA is processed by...
2.
Vanacova S, Tachezy J, Ullu E, Tschudi C
Mol Biochem Parasitol
. 2001 Jun;
115(2):239-47.
PMID: 11420110
Previous studies in the parasitic protist Trichomonas vaginalis have revealed that protein coding genes are transcribed by an alpha-amanitin-resistant RNA polymerase (RNAP) II. To investigate whether this unusual property is...
3.
Shen S, Arhin G, Ullu E, Tschudi C
Mol Biochem Parasitol
. 2001 Mar;
113(1):171-3.
PMID: 11254965
No abstract available.
4.
Djikeng A, Ferreira L, DAngelo M, Dolezal P, Lamb T, Murta S, et al.
Mol Biochem Parasitol
. 2001 Mar;
113(1):109-15.
PMID: 11254959
We have previously shown that the poly(A) polymerase (PAP) gene of Trypanosoma brucei is interrupted by an intervening sequence. It was postulated that removing this intron by cis-splicing requires a...
5.
Gunzl A, Bindereif A, Ullu E, Tschudi C
Nucleic Acids Res
. 2000 Sep;
28(19):3702-9.
PMID: 11000261
In most eukaryotic organisms the U2 small nuclear RNA (snRNA) gene is transcribed by RNA polymerase II to generate a primary transcript with a 5' terminal 7-methylguanosine cap structure. Following...
6.
Shi H, Djikeng A, Mark T, Wirtz E, Tschudi C, Ullu E
RNA
. 2000 Aug;
6(7):1069-76.
PMID: 10917601
The use of double-stranded RNA (dsRNA) to disrupt gene expression has become a powerful method of achieving RNA interference (RNAi) in a wide variety of organisms. However, in Trypanosoma brucei...
7.
Mair G, Ullu E, Tschudi C
J Biol Chem
. 2000 Jul;
275(37):28994-9.
PMID: 10880518
mRNA cap formation in trypanosomatid protozoa is mediated through trans-splicing of the capped spliced leader (SL) sequence of the SL RNA onto the 5' end of all mRNAs. The SL...
8.
Mair G, Shi H, Li H, Djikeng A, Aviles H, Bishop J, et al.
RNA
. 2000 Feb;
6(2):163-9.
PMID: 10688355
It has been known for almost a decade and a half that in trypanosomes all mRNAs are trans-spliced by addition to the 5' end of the spliced leader (SL) sequence....
9.
Marchetti M, Tschudi C, Kwon H, Wolin S, Ullu E
J Cell Sci
. 2000 Feb;
113 ( Pt 5):899-906.
PMID: 10671379
In all eukaryotic organisms proteins are targeted to the nucleus via a receptor-mediated mechanism that requires a specific nuclear localization sequence (NLS) in the protein. Little is known about this...
10.
Ngo H, Tschudi C, Gull K, Ullu E
Proc Natl Acad Sci U S A
. 1998 Dec;
95(25):14687-92.
PMID: 9843950
Double-stranded RNA (dsRNA) recently has been shown to give rise to genetic interference in Caenorhabditis elegans and also is likely to be the basis for phenotypic cosuppression in plants in...