Research Topics
| Teresa M PrzytyckaSummaryAffiliation: National Institutes of Health Country: USA Publications
| Collaborators
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Detail Information
Publications
Fold classification based on secondary structure--how much is gained by including loop topology?Jieun Jeong
Department of Computer Science and Engineering, The Pennsylvania State University, University Park, USA
BMC Struct Biol 6:3. 2006..Second, how to properly measure the effect of new information in a large data sample. We investigate alternative ways of computing and presenting this information...
Scale-free networks versus evolutionary driftTeresa M Przytycka
NCBI NLM NIH 8600 Rockville Pike, Bethesda, MD 20894, USA
Comput Biol Chem 28:257-64. 2004..Instead they adhere quite closely to the Yule distribution. This finding indicates that the direct applicability of scale-free models in understanding the evolution of biological network may not be as wide as it has been hoped for...
Network integration meets network dynamicsTeresa M Przytycka
National Center of Biotechnology Information, NLM, NIH, Bethesda, MD 20814, USA
BMC Biol 8:48. 2010..However, combining various types of networks into one coherent large-scale dynamic model remains a formidable challenge. A recent paper in BMC Systems Biology describes a promising step in this direction...
Toward the dynamic interactome: it's about timeTeresa M Przytycka
National Center of Biotechnology Information, NLM, NIH, 8000 Rockville Pike, Bethesda MD 20814, USA
Brief Bioinform 11:15-29. 2010..This burgeoning research area, which entails a shift from static to dynamic network analysis, promises to be a major step forward in our ability to model and reason about cellular function and behavior...
Phenotypic variation meets systems biologyTeresa M Przytycka
National Institutes of Health, National Library of Medicine, National Center of Biotechnology Information, Bethesda, MD 20894, USA
Genome Biol 10:313. 2009..A report of the 18th Annual Growth Factor and Signal Transduction Symposium, Ames, USA, 11-14 June 2009...
Differences in evolutionary pressure acting within highly conserved ortholog groupsTeresa M Przytycka
National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894, USA
BMC Evol Biol 8:208. 2008..g. Proteobacteria or Firmicutes)...
State of the art: refinement of multiple sequence alignmentsSaikat Chakrabarti
National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894, USA
BMC Bioinformatics 7:499. 2006..Refinement of existing alignment can prove to be an intelligent choice considering the increasing importance of high quality alignments in large scale high-throughput analysis...
Genomic analysis reveals a tight link between transcription factor dynamics and regulatory network architectureRaja Jothi
Biostatistics Branch, National Institute of Environmental Health Sciences, NIH, Research Triangle Park, NC 27709, USA
Mol Syst Biol 5:294. 2009..We propose that the interplay between network organization and TF dynamics could permit differential utilization of the same underlying network by distinct members of a clonal cell population...
Interrogating domain-domain interactions with parsimony based approachesKatia S Guimarães
National Center of Biotechnology, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894, USA
BMC Bioinformatics 9:171. 2008..Understanding the power and the limitations of these methods is key to the development of improved approaches and better understanding of the nature of these interactions...
Predicting protein domain interactions from coevolution of conserved regionsMaricel G Kann
Department of Health and Human Services, National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland 20894, USA
Proteins 67:811-20. 2007..We provide a theoretical validation of our results leading to new insights into the interplay between coevolution and speciation of interacting proteins...
Modeling information flow in biological networksYoo Ah Kim
National Center for Biotechnology Information, NLM, NIH, 8600 Rockville Pike, Bethesda, MD 20894, USA
Phys Biol 8:035012. 2011....
The crosstalk between EGF, IGF, and Insulin cell signaling pathways--computational and experimental analysisRafal Zielinski
National Center for Biotechnology Information, National Library of Medicine National Institutes of Health Bethesda, MD, USA
BMC Syst Biol 3:88. 2009..Furthermore, absence of the reaction coefficients necessary for detailed modeling of signal propagation raises the question whether simple parameter-free models could provide useful information about such pathways...
Co-evolutionary analysis of domains in interacting proteins reveals insights into domain-domain interactions mediating protein-protein interactionsRaja Jothi
National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894, USA
J Mol Biol 362:861-75. 2006....
COCO-CL: hierarchical clustering of homology relations based on evolutionary correlationsRaja Jothi
National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894, USA
Bioinformatics 22:779-88. 2006..These methods do not attempt to preserve the non-transitivity and hierarchic nature of the orthology relation...
Discovering functional linkages and uncharacterized cellular pathways using phylogenetic profile comparisons: a comprehensive assessmentRaja Jothi
National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894, USA
BMC Bioinformatics 8:173. 2007..Here, proteins with similar profiles are inferred to be functionally related under the assumption that proteins involved in the same metabolic pathway or cellular system are likely to have been co-inherited during evolution...
Identifying causal genes and dysregulated pathways in complex diseasesYoo Ah Kim
National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland, USA
PLoS Comput Biol 7:e1001095. 2011..While copy number alterations and gene expression data of glioblastoma patients provided opportunities to test our approach, our method can be applied to any disease system where genetic variations play a fundamental causal role...
State of the art: refinement of multiple sequence alignmentsSaikat Chakrabarti
National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894, USA
BMC Bioinformatics 11:3. 2010..ABSTRACT: Correction to Chakrabarti S, Lanczycki CJ, Panchenko AR, Przytycka TM, Thiessen PA and Bryant SH: State of the art: refinement of multiple sequence alignments. BMC Bioinformatics 2006, 7:499...
SimBoolNet--a Cytoscape plugin for dynamic simulation of signaling networksJie Zheng
National Center for Biotechnology Information, NLM NIH, Bethesda, MD, USA
Bioinformatics 26:141-2. 2010..AVAILABILITY: SimBoolNet package (with manual) is freely available at http://www.ncbi.nlm.nih.gov/CBBresearch/Przytycka/SimBoolNet..
Selection for minimization of translational frameshifting errors as a factor in the evolution of codon usageYang Huang
National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894, USA
Nucleic Acids Res 37:6799-810. 2009..Collectively, the results fit the concept of selection against mistranslation-induced protein misfolding being one of the factors shaping the evolution of both coding and non-coding sequences...
Structural footprinting in protein structure comparison: the impact of structural fragmentsElena Zotenko
Department of Computer Science, University of Maryland, College Park, MD 20742, USA
BMC Struct Biol 7:53. 2007..How do these choices affect the ability of the method to detect various types of structural similarity?..
Secondary structure spatial conformation footprint: a novel method for fast protein structure comparison and classificationElena Zotenko
Department of Computer Science, University of Maryland, College Park, MD 20742, USA
BMC Struct Biol 6:12. 2006....
Detecting sequence polymorphisms associated with meiotic recombination hotspots in the human genomeJie Zheng
Computational Biology Branch, NCBI, NLM, National Institutes of Health, 8600 Rockville Pike, Bethesda, MD 20894, USA
Genome Biol 11:R103. 2010..At the same time, recombination hotspots are heritable. Previous studies showed instances where differences in recombination rate could be associated with sequence polymorphisms...
Refining multiple sequence alignments with conserved core regionsSaikat Chakrabarti
National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD 20894, USA
Nucleic Acids Res 34:2598-606. 2006..A standalone version of the program is available by ftp distribution (ftp://ftp.ncbi.nih.gov/pub/REFINER) and will be incorporated into the next release of the Cn3D structure/alignment viewer...
Predicting protein-protein interaction by searching evolutionary tree automorphism spaceRaja Jothi
National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health Bethesda, MD 20894, USA
Bioinformatics 21:i241-50. 2005..When compared with related computational approaches, our method reduces the search space by approximately 3 x 10(5)-fold and at the same time increases the accuracy of predicting correct binding partners...
Support for the Coelomata clade of animals from a rigorous analysis of the pattern of intron conservationJie Zheng
National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
Mol Biol Evol 24:2583-92. 2007..The developed procedure for the identification and analysis of conserved introns and other characters with minimal or no homoplasy is expected to be useful for resolving many hard phylogenetic problems...
Systems-biology dissection of eukaryotic cell growthTeresa M Przytycka
National Center for Biotechnology Information, NLM, NIH, 8000 Rockville Pike, Bethesda, MD 20814, USA
BMC Biol 8:62. 2010....
Graph theoretical approach to study eQTL: a case study of Plasmodium falciparumYang Huang
National Center for Biotechnology Information, NLM, NIH, Bethesda, MD 20894, USA
Bioinformatics 25:i15-20. 2009..Furthermore, GeD allows us to uncover additional eQTLs with lower FDR, providing an important complement to traditional eQTL analysis methods...
DOMINE: a database of protein domain interactionsBalaji Raghavachari
Department of Computer Science, University of Texas at Dallas, Richardson, TX 75083, USA
Nucleic Acids Res 36:D656-61. 2008..DOMINE is freely available at http://domine.utdallas.edu...
