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126.

Research article   Open Access Highly Accessed

Genome trees constructed using five different approaches suggest new major bacterial clades

Yuri I Wolf, Igor B Rogozin, Nick V Grishin, Roman L Tatusov, Eugene V Koonin BMC Evolutionary Biology 2001, 1:8 (23 October 2001)

Abstract | Full text | PDF | PubMed | Cited on BioMed Central | F1000 Biology |  Editor’s summary

Five different methods of phylogenetic reconstruction suggest novel high-level bacterial clades, despite confounding factors such as lateral gene transfer and gene loss.

127.

Minireview   Free

Reconstructing prokaryotic transcriptional regulatory networks: lessons from actinobacteria

Thiago M Venancio, L Aravind Journal of Biology 2009, 8:29 (15 April 2009)

Abstract | Full text | PDF | PubMed |  Editor’s summary

Venancio and Aravind review recent studies, including one in BMC Systems Biology, that offer new ways to reconstruct transcriptional regulatory networks in previously uncharacterised prokaryotes, such as the actinobacteria.

128.

Method   Open Access Highly Accessed

Predicting domain-domain interactions using a parsimony approach

Katia S Guimarães, Raja Jothi, Elena Zotenko, Teresa M Przytycka Genome Biology 2006, 7:R104 (9 November 2006)

Abstract | Full text | PDF | PubMed | Cited on BioMed Central |  Editor’s summary

A new parsimony approach for the prediction of domain-domain interactions is presented and demonstrated to provide improvement in prediction coverage and accuracy.

129.

Research   Open Access

Mathematical modeling of tumor therapy with oncolytic viruses: effects of parametric heterogeneity on cell dynamics

Georgy P Karev, Artem S Novozhilov, Eugene V Koonin Biology Direct 2006, 1:30 (3 October 2006)

Abstract | Full text | PDF | PubMed

130.

Research article   Open Access

Duplicated genes evolve slower than singletons despite the initial rate increase

I King Jordan, Yuri I Wolf, Eugene V Koonin BMC Evolutionary Biology 2004, 4:22 (6 July 2004)

Abstract | Full text | PDF | PubMed | Cited on BioMed Central |  Editor’s summary

Following gene duplication there is a period of rapid evolution, which then slows down in cases where the original gene has an important biological function and the duplicate is retained.

131.

Research article   Open Access

Identification and characterization of pseudogenes in the rice gene complement

Françoise Thibaud-Nissen, Shu Ouyang, C Robin Buell BMC Genomics 2009, 10:317 (16 July 2009)

Abstract | Full text | PDF | PubMed

132.

Research   Open Access

Detection of co-eluted peptides using database search methods

Gelio Alves, Aleksey Y Ogurtsov, Siwei Kwok, Wells W Wu, Guanghui Wang, Rong-Fong Shen, Yi-Kuo Yu Biology Direct 2008, 3:27 (2 July 2008)

Abstract | Full text | PDF | PubMed |  Editor’s summary

The "one peptide per spectrum" dogma cannot hold true due to limited chromatographic separation resulting in mass spectra containing co-eluted peptides with high probability; this issue is numerically investigated.

133.

Research article   Open Access Highly Accessed

Constructing a semantic predication gold standard from the biomedical literature

Halil Kilicoglu, Graciela Rosemblat, Marcelo Fiszman, Thomas C Rindflesch BMC Bioinformatics 2011, 12:486 (20 December 2011)

Abstract | Full text | PDF | PubMed | Cited on BioMed Central

134.

Research   Open Access

Exceptional error minimization in putative primordial genetic codes

Artem S Novozhilov, Eugene V Koonin Biology Direct 2009, 4:44 (19 November 2009)

Abstract | Full text | PDF | PubMed | Cited on BioMed Central

135.

Research   Open Access Highly Accessed

Reconstructing the ubiquitin network - cross-talk with other systems and identification of novel functions

Thiago M Venancio, S Balaji, Lakshminarayan M Iyer, L Aravind Genome Biology 2009, 10:R33 (30 March 2009)

Abstract | Full text | PDF | PubMed | Cited on BioMed Central |  Editor’s summary

A computational model of the yeast Ubiquitin system highlights interesting biological features including functional interactions between components and interplay with other regulatory mechanisms.

136.

Discovery notes   Open Access

Novel eukaryotic enzymes modifying cell-surface biopolymers

Vivek Anantharaman, L Aravind Biology Direct 2010, 5:1 (7 January 2010)

Abstract | Full text | PDF | PubMed | Cited on BioMed Central

137.

Discovery notes   Open Access

Identification of an ortholog of the eukaryotic RNA polymerase III subunit RPC34 in Crenarchaeota and Thaumarchaeota suggests specialization of RNA polymerases for coding and non-coding RNAs in Archaea

Fabian Blombach, Kira S Makarova, Jeannette Marrero, Bettina Siebers, Eugene V Koonin, John Oost Biology Direct 2009, 4:39 (14 October 2009)

Abstract | Full text | PDF | PubMed | Cited on BioMed Central |  Editor’s summary

While Archaea are thought to possess a single RNA polymerase type resembling in its subunit composition eukaryotic RNAP II, the identified archaeal RPC34 orhtolog implicates functional specialization of archaeal RNAPs.

138.

Research   Open Access Highly Accessed

The DNA-repair protein AlkB, EGL-9, and leprecan define new families of 2-oxoglutarate- and iron-dependent dioxygenases

L Aravind, Eugene V Koonin Genome Biology 2001, 2:research0007-research0007.8 (19 February 2001)

Abstract | Full text | PDF | PubMed | Cited on BioMed Central |  Editor’s summary

Sequence-profile analysis shows that the DNA repair protein AlkB, the extracellular matrix protein leprecan, the disease-resistance-related protein EGL-9 and several uncharacterized proteins define novel families of enzymes of the 2OG-Fe(II) oxygenase superfamily. This allows the prediction of catalytic activity for a wide range of biochemically uncharacterized proteins from eukaryotes and bacteria.

139.

Research article   Open Access Highly Accessed

A unified framework for managing provenance information in translational research

Satya S Sahoo, Vinh Nguyen, Olivier Bodenreider, Priti Parikh, Todd Minning, Amit P Sheth BMC Bioinformatics 2011, 12:461 (29 November 2011)

Abstract | Full text | PDF | PubMed | Cited on BioMed Central

140.

Research article   Open Access Highly Accessed

GeneRIF indexing: sentence selection based on machine learning

Antonio J Jimeno-Yepes, J Caitlin Sticco, James G Mork, Alan R Aronson BMC Bioinformatics 2013, 14:171 (31 May 2013)

Abstract | Provisional PDF | PubMed

141.

Research article   Open Access

Clustering cliques for graph-based summarization of the biomedical research literature

Han Zhang, Marcelo Fiszman, Dongwook Shin, Bartlomiej Wilkowski, Thomas C Rindflesch BMC Bioinformatics 2013, 14:182 (7 June 2013)

Abstract | Full text | PDF | PubMed | Cited on BioMed Central

142.

Discovery notes   Open Access

OST-HTH: a novel predicted RNA-binding domain

Vivek Anantharaman, Dapeng Zhang, L Aravind Biology Direct 2010, 5:13 (19 March 2010)

Abstract | Full text | PDF | PubMed

143.

Discovery notes   Open Access

Accumulation of GC donor splice signals in mammals

Alexander Churbanov, Stephen Winters-Hilt, Eugene V Koonin, Igor B Rogozin Biology Direct 2008, 3:30 (9 July 2008)

Abstract | Full text | PDF | PubMed | Cited on BioMed Central |  Editor’s summary

Reconstruction of the evolution of donor splice sites in mammals reveals accumulation of minor GC sites that could contribute to the evolution of alternative splicing.

144.

Software   Open Access Highly Accessed

askMEDLINE: a free-text, natural language query tool for MEDLINE/PubMed

Paul Fontelo, Fang Liu, Michael Ackerman BMC Medical Informatics and Decision Making 2005, 5:5 (10 March 2005)

Abstract | Full text | PDF | PubMed | Cited on BioMed Central | 1 comment |  Editor’s summary

A new plain text search tool for clinicians, researchers and other information seekers which will translate a question into an efficient search of MEDLINE/PubMed.

145.

Research   Open Access

Overview of the BioCreative III Workshop

Cecilia N Arighi, Zhiyong Lu, Martin Krallinger, Kevin B Cohen, W Wilbur, Alfonso Valencia, Lynette Hirschman, Cathy H Wu BMC Bioinformatics 2011, 12(Suppl 8):S1 (3 October 2011)

Abstract | Full text | PDF | PubMed

146.

Research   Open Access

Homoplasy in genome-wide analysis of rare amino acid replacements: the molecular-evolutionary basis for Vavilov's law of homologous series

Igor B Rogozin, Karen Thomson, Miklós Csürös, Liran Carmel, Eugene V Koonin Biology Direct 2008, 3:7 (17 March 2008)

Abstract | Full text | PDF | PubMed |  Editor’s summary

Homoplasy denotes the same (parallel) mutations occurring independently in different lineages. It is a scourge of phylogenetic methods. Here, however, it is shown that homoplasy is also an interesting evolutionary phenomenon. Homplasy seems, at least, in part, to underlie the so-called homologous series of phenotypic variation occurring in different, particularly, closely related lineages, an effect first described by the famous Russian geneticict Vavilov some 90 years ago.

147.

Discovery notes   Open Access

Presence of a classical RRM-fold palm domain in Thg1-type 3'- 5'nucleic acid polymerases and the origin of the GGDEF and CRISPR polymerase domains

Vivek Anantharaman, Lakshminarayan M Iyer, L Aravind Biology Direct 2010, 5:43 (30 June 2010)

Abstract | Full text | PDF | PubMed | Cited on BioMed Central

148.

Research article   Open Access Highly Accessed

Evolutionary connection between the catalytic subunits of DNA-dependent RNA polymerases and eukaryotic RNA-dependent RNA polymerases and the origin of RNA polymerases

Lakshminarayan M Iyer, Eugene V Koonin, L Aravind BMC Structural Biology 2003, 3:1 (28 January 2003)

Abstract | Full text | PDF | PubMed | Cited on BioMed Central |  Editor’s summary

The discovery that RNA-dependent RNA polymerases, which are solely eukaryotic, share a domain with a subunit of DNA-dependent RNA polymerases, which are universal, sheds light on the evolutionary relationships and origins of polymerases.

149.

Research   Open Access

A novel family of P-loop NTPases with an unusual phyletic distribution and transmembrane segments inserted within the NTPase domain

L Aravind, Lakshminarayan M Iyer, Detlef D Leipe, Eugene V Koonin Genome Biology 2004, 5:R30 (16 April 2004)

Abstract | Full text | PDF | PubMed | Cited on BioMed Central |  Editor’s summary

This study characterizes the KAP protein family - a newly identified sub-group of the P-loop NTPases, which have transmembrane helices inserted into the P-loop NTPase domain. Their unusual phyletic distribution suggests KAP proteins were transferred from bacteria to animals by horizontal gene transfer.

150.

Research article   Open Access

Developing and validating predictive decision tree models from mining chemical structural fingerprints and high–throughput screening data in PubChem

Lianyi Han, Yanli Wang, Stephen H Bryant BMC Bioinformatics 2008, 9:401 (25 September 2008)

Abstract | Full text | PDF | PubMed | Cited on BioMed Central

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