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E. Ullu · SciRah

Researcher profile · Semantic Scholar

E. Ullu

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E. Ullu — researcher profile on SciRah

h-index: 40
Works: 125
Citations: 8,867

Most-cited papers

The Genome of the African Trypanosome Trypanosoma brucei
M. Berriman, E. Ghedin, C. Hertz-Fowler, G. Blandin +98 more
2005Science1,730 citations Open access
Semantic Scholar
Double-stranded RNA induces mRNA degradation in Trypanosoma brucei.
Huan T. Ngo, C. Tschudi, K. Gull, E. Ullu
1998Proceedings of the National Academy of Sciences of the United States of America788 citations Open access
Semantic Scholar
RNA interference in protozoan parasites
E. Ullu, C. Tschudi, T. Chakraborty
2004Cellular Microbiology318 citations Open access
Semantic Scholar
A common pyrimidine-rich motif governs trans-splicing and polyadenylation of tubulin polycistronic pre-mRNA in trypanosomes.
K. Matthews, C. Tschudi, E. Ullu
1994Genes & Development279 citations Open access
Semantic Scholar
Retention and Loss of RNA Interference Pathways in Trypanosomatid Protozoans
Lon-Fye Lye, Katherine Owens, Hua-Fang Shi, S. M. F. Murta +5 more
2010PLoS Pathogens224 citations Open access
Semantic Scholar
Genetic interference in Trypanosoma brucei by heritable and inducible double-stranded RNA.
Hua-Fang Shi, A. Djikeng, T. Mark, Elizabeth Wirtz +2 more
2000RNA: A publication of the RNA Society217 citations Open access
Semantic Scholar
RNA interference in Trypanosoma brucei: cloning of small interfering RNAs provides evidence for retroposon-derived 24-26-nucleotide RNAs.
A. Djikeng, Hua-Fang Shi, C. Tschudi, E. Ullu
2001RNA: A publication of the RNA Society201 citations
Semantic Scholar
Developmental Progression to Infectivity in Trypanosoma brucei Triggered by an RNA-Binding Protein
Nikolay G. Kolev, Kiantra Ramey-Butler, G. Cross, E. Ullu +1 more
2012Science198 citations Open access
Semantic Scholar
A new twist in trypanosome RNA metabolism: cis-splicing of pre-mRNA.
G. Mair, Hua-Fang Shi, Hong-Jie Li, A. Djikeng +10 more
2000RNA: A publication of the RNA Society184 citations Open access
Semantic Scholar
MFR, a Putative Receptor Mediating the Fusion of Macrophages
C. Saginario, H. Sterling, Cornelius J. M. Beckers, Ruji Kobayashi +3 more
1998Molecular and Cellular Biology179 citations Open access
Semantic Scholar
Golgi duplication in Trypanosoma brucei
Cynthia Y. He, H. H. Ho, Joerg Malsam, Cecile Chalouni +4 more
2004Journal of Cell Biology174 citations Open access
Semantic Scholar
RNA Interference in Protozoan Parasites: Achievements and Challenges
Nikolay G. Kolev, C. Tschudi, E. Ullu
2011Eukaryotic Cell150 citations Open access
Semantic Scholar
Argonaute Protein in the Early Divergent Eukaryote Trypanosoma brucei: Control of Small Interfering RNA Accumulation and Retroposon Transcript Abundance
Hua-Fang Shi, A. Djikeng, C. Tschudi, E. Ullu
2004Molecular and Cellular Biology130 citations Open access
Semantic Scholar
In vivo epitope tagging of Trypanosoma brucei genes using a one step PCR-based strategy.
Shui-Yuan Shen, G. Arhin, E. Ullu, C. Tschudi
2001Molecular and biochemical parasitology (Print)112 citations
Semantic Scholar
Import of proteins into the trypanosome nucleus and their distribution at karyokinesis
M. A. Marchetti, C. Tschudi, Helen Kwon, S. Wolin +1 more
2000102 citations
Semantic Scholar
The emerging role of RNA-binding proteins in the life cycle of Trypanosoma brucei
Nikolay G. Kolev, E. Ullu, C. Tschudi
2014Cellular Microbiology97 citations Open access
Semantic Scholar
Upstream tRNA genes are essential for expression of small nuclear and cytoplasmic RNA genes in trypanosomes
V. Nakaar, A. O. Dare, D. Hong, E. Ullu +1 more
1994Molecular and Cellular Biology93 citations Open access
Semantic Scholar
Genetic nomenclature for Trypanosoma and Leishmania.
C. Clayton, M. Adams, R. Almeida, T. Baltz +38 more
1998Molecular and biochemical parasitology (Print)88 citations Open access
Semantic Scholar
Transcription of the Trypanosoma brucei spliced leader RNA gene is dependent only on the presence of upstream regulatory elements.
A. Günzl, E. Ullu, Marion Dörner, S. Fragoso +9 more
1997Molecular and biochemical parasitology (Print)86 citations Open access
Semantic Scholar
An unusual Dicer-like1 protein fuels the RNA interference pathway in Trypanosoma brucei.
Hua-Fang Shi, C. Tschudi, E. Ullu
2006RNA: A publication of the RNA Society79 citations Open access
Semantic Scholar
Distinct and overlapping roles for two Dicer-like proteins in the RNA interference pathways of the ancient eukaryote Trypanosoma brucei
Kristin L. Patrick, Hua-Fang Shi, Nikolay G. Kolev, K. Ersfeld +2 more
2009Proceedings of the National Academy of Sciences of the United States of America74 citations Open access
Semantic Scholar
RNA interference: advances and questions.
E. Ullu, A. Djikeng, Hua-Fang Shi, C. Tschudi
2002Philosophical transactions of the Royal Society of London. Series B, Biological sciences73 citations Open access
Semantic Scholar
The sequence and analysis of Trypanosoma brucei chromosome II.
Najib M. A. el-Sayed, E. Ghedin, Jin-Ming Song, A. MacLeod +40 more
2003Nucleic Acids Research72 citations Open access
Semantic Scholar
An siRNA ribonucleoprotein is found associated with polyribosomes in Trypanosoma brucei.
A. Djikeng, Hua-Fang Shi, C. Tschudi, Shui-Yuan Shen +1 more
2003RNA: A publication of the RNA Society68 citations Open access
Semantic Scholar
Functional Characterization of a Trypanosoma brucei TATA-Binding Protein-Related Factor Points to a Universal Regulator of Transcription in Trypanosomes
Jia-peng Ruan, G. Arhin, E. Ullu, C. Tschudi
2004Molecular and Cellular Biology63 citations Open access
Semantic Scholar
Cotranscriptional Cap 4 Formation on the Trypanosoma brucei Spliced Leader RNA*
G. Mair, E. Ullu, C. Tschudi
2000Journal of Biological Chemistry63 citations Open access
Semantic Scholar
The proteome and transcriptome of the infectious metacyclic form of Trypanosoma brucei define quiescent cells primed for mammalian invasion
Romain Christiano, Nikolay G. Kolev, Hua-Fang Shi, E. Ullu +2 more
2017Molecular Microbiology56 citations Open access
Semantic Scholar
RNA Interference of Signal Peptide-binding Protein SRP54 Elicits Deleterious Effects and Protein Sorting Defects in Trypanosomes*
Li Liu, Xue-Hai Liang, S. Uliel, R. Unger +2 more
2002Journal of Biological Chemistry45 citations Open access
Semantic Scholar
Function of the Trypanosome Argonaute 1 Protein in RNA Interference Requires the N-terminal RGG Domain and Arginine 735 in the Piwi Domain*
Hua-Fang Shi, E. Ullu, C. Tschudi
2004Journal of Biological Chemistry44 citations Open access
Semantic Scholar
Small Sense and Antisense RNAs Derived from a Telomeric Retroposon Family in Giardia intestinalis
E. Ullu, H. Luján, C. Tschudi
2005Eukaryotic Cell43 citations Open access
Semantic Scholar
Comparative Genomics Reveals Two Novel RNAi Factors in Trypanosoma brucei and Provides Insight into the Core Machinery
Rebecca L. Barnes, Hua-Fang Shi, Nikolay G. Kolev, C. Tschudi +1 more
2012PLoS Pathogens41 citations Open access
Semantic Scholar
Exonic Sequences in the 5′ Untranslated Region of α-Tubulin mRNA Modulate trans Splicing inTrypanosoma brucei
C. López-estraño, C. Tschudi, E. Ullu
1998Molecular and Cellular Biology41 citations Open access
Semantic Scholar
RNA-seq analysis of small RNPs in Trypanosoma brucei reveals a rich repertoire of non-coding RNAs
S. Michaeli, T. Doniger, S. Gupta, O. Wurtzel +5 more
2011Nucleic Acids Research40 citations Open access
Semantic Scholar
On the Role of Exon and Intron Sequences intrans-Splicing Utilization and cap 4 Modification of the Trypanosomatid Leptomonas collosoma SL RNA*
M. Mandelboim, Carlos Lopez Estraño, C. Tschudi, E. Ullu +1 more
2002Journal of Biological Chemistry40 citations Open access
Semantic Scholar
Small interfering RNA-producing loci in the ancient parasitic eukaryote Trypanosoma brucei
C. Tschudi, Hua-Fang Shi, J. Franklin, E. Ullu
2012BMC Genomics39 citations Open access
Semantic Scholar
Accurate Modification of the Trypanosome Spliced Leader Cap Structure in a Homologous Cell-free System (*)
E. Ullu, C. Tschudi
1995Journal of Biological Chemistry39 citations Open access
Semantic Scholar
Structure of the Trypanosoma brucei U6 snRNA gene promoter.
V. Nakaar, A. Günzl, E. Ullu, C. Tschudi
1997Molecular and biochemical parasitology (Print)37 citations Open access
Semantic Scholar
Genome-wide analysis of small nucleolar RNAs of Leishmania major reveals a rich repertoire of RNAs involved in modification and processing of rRNA
D. Eliaz, T. Doniger, Itai Dov Tkacz, V. Biswas +6 more
2015RNA Biology35 citations Open access
Semantic Scholar
The structure and repertoire of small interfering RNAs in Leishmania (Viannia) braziliensis reveal diversification in the trypanosomatid RNAi pathway
V. D. Atayde, Hua-Fang Shi, J. Franklin, N. Carriero +6 more
2012Molecular Microbiology35 citations Open access
Semantic Scholar
Characterization of a candidate Trypanosoma brucei U1 small nuclear RNA gene.
A. Djikeng, L. R. P. Ferreira, Maximiliano A. D'Angelo, P. Doležal +8 more
2001Molecular and biochemical parasitology (Print)35 citations
Semantic Scholar
Trypanosome Capping Enzymes Display a Novel Two-Domain Structure
Erika Silva, E. Ullu, R. Kobayashi, C. Tschudi
1998Molecular and Cellular Biology34 citations Open access
Semantic Scholar
Identification of a tRNA-like molecule that copurifies with the 7SL RNA of Trypanosoma brucei.
O. Béjà, E. Ullu, S. Michaeli
1993Molecular and biochemical parasitology (Print)34 citations
Semantic Scholar
Small nucleolar RNA interference in Trypanosoma brucei: mechanism and utilization for elucidating the function of snoRNAs
S. Gupta, Avraham Hury, Yaara Ziporen, Hua-Fang Shi +2 more
2010Nucleic Acids Research31 citations Open access
Semantic Scholar
The canonical pathway for selenocysteine insertion is dispensable in Trypanosomes
Eric Aeby, S. Palioura, M. Pusnik, Janine Marazzi +4 more
2009Proceedings of the National Academy of Sciences of the United States of America31 citations Open access
Semantic Scholar
A PCR-based method for gene deletion and protein tagging in Trypanosoma brucei.
G. Arhin, Shui-Yuan Shen, E. Ullu, C. Tschudi
2004Methods in molecular biology31 citations
Semantic Scholar
Biochemical analysis of PIFTC3, the Trypanosoma brucei ortholog of nematode DYF-13, reveals interactions with established and putative intraflagellar transport components
J. Franklin, E. Ullu
2010Molecular Microbiology30 citations Open access
Semantic Scholar
Genomic rearrangements and transcriptional analysis of the spliced leader‐associated retrotransposon in RNA interference‐deficient Trypanosoma brucei
Kristin L. Patrick, Paula M. Luz, Jia-peng Ruan, Hua-Fang Shi +2 more
2007Molecular Microbiology30 citations Open access
Semantic Scholar
Accurate Transcription of the Trypanosoma brucei U2 Small Nuclear RNA Gene in a Homologous Extract (*)
A. Günzl, C. Tschudi, V. Nakaar, E. Ullu
1995Journal of Biological Chemistry30 citations Open access
Semantic Scholar
The emerging world of small silencing RNAs in protozoan parasites
V. D. Atayde, C. Tschudi, E. Ullu
2011Trends in Parasitology29 citations Open access
Semantic Scholar
Determinants for cap trimethylation of the U2 small nuclear RNA are not conserved between Trypanosoma brucei and higher eukaryotic organisms.
A. Günzl, Albrecht Bindereif, E. Ullu, C. Tschudi
2000Nucleic Acids Research29 citations Open access
Semantic Scholar

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