Research Topics
| I King JordanSummaryAffiliation: Georgia Institute of Technology Country: USA Publications
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Detail Information
Publications
Transcription factor binding sites are highly enriched within microRNA precursor sequencesJittima Piriyapongsa
Genome Institute, National Center for Genetic Engineering and Biotechnology, Klong1, Klong Luang, Pathumthani 12120, Thailand
Biol Direct 6:61. 2011..However, in the course of analyzing the genomics of human microRNA genes, we noticed that annotated transcription factor binding sites commonly lie within 70- to 110-nt long microRNA small hairpin precursor sequences...
Evaluating the protein coding potential of exonized transposable element sequencesJittima Piriyapongsa
School of Biology, Georgia Institute of Technology, Atlanta, GA 30332, USA
Biol Direct 2:31. 2007....
Global similarity and local divergence in human and mouse gene co-expression networksPanayiotis Tsaparas
Basic Research Unit, Helsinki Institute for Information Technology, University of Helsinki, Helsinki, Finland
BMC Evol Biol 6:70. 2006..Expression profiles were resolved into species-specific coexpression networks, and the topological properties of the networks were compared between species...
Epigenetic histone modifications of human transposable elements: genome defense versus exaptationAhsan Huda
School of Biology, Georgia Institute of Technology, 310 Ferst Drive, Atlanta, GA 30332, USA
Mob DNA 1:2. 2010..To date, all available evidence points to the genome defense hypothesis as the best explanation for the biological role of TE epigenetic modifications...
Natural selection governs local, but not global, evolutionary gene coexpression networks in Caenorhabditis elegansI King Jordan
School of Biology, Georgia Institute of Technology, Atlanta, GA, USA
BMC Syst Biol 2:96. 2008..elegans mutation accumulation (MA) lines evolve essentially free from the effects of natural selection, whereas natural isolate (NI) populations are subject to selective constraints...
Repetitive DNA elements, nucleosome binding and human gene expressionAhsan Huda
School of Biology, Georgia Institute of Technology, Atlanta, GA 30332, USA
Gene 436:12-22. 2009..These observations indicate that repetitive DNA elements mediate chromatin accessibility in proximal promoter regions and the repeat content of promoters is relevant to both gene expression and function...
Neisseria Base: a comparative genomics database for Neisseria meningitidisLee S Katz
School of Biology, Georgia Institute of Technology, USA
Database (Oxford) 2011:bar035. 2011..Using the virulent ST-11 lineage as an example, we demonstrate how this comparative genomics utility can be used to identify novel genomic markers for molecular profiling of N. meningitidis...
Endogenous retroviruses of the chicken genomeAhsan Huda
School of Biology, Georgia Institute of Technology, Atlanta, GA, USA
Biol Direct 3:9. 2008..The abundance and diversity of chicken ERVs we discovered underscore the utility of an approach that combines multiple methods for the identification of interspersed repeats in vertebrate genomes...
Evolutionary rates and patterns for human transcription factor binding sites derived from repetitive DNANalini Polavarapu
School of Biology, Georgia Institute of Technology, Atlanta, GA 30332, USA
BMC Genomics 9:226. 2008..We also evaluated the position-specific patterns of variation among TFBS to look for signs of functional constraint on TFBS derived from repetitive and non-repetitive DNA...
Identification of transcription factor binding sites derived from transposable element sequences using ChIP-seqAndrew B Conley
School of Biology, Georgia Institute of Technology, Atlanta, GA, USA
Methods Mol Biol 674:225-40. 2010..Many of these TE-derived TFBS show poor conservation and would go unnoticed using conservation screens. Here, we describe a simple pipeline method for using data generated through ChIP-seq to identify TE-derived TFBS...
A c-Myc regulatory subnetwork from human transposable element sequencesJianrong Wang
School of Biology, Georgia Institute of Technology, Atlanta, GA 30332, USA
Mol Biosyst 5:1831-9. 2009..These data point to a substantial contribution of TEs to the regulation of human genes by c-Myc. Genes that are regulated by TE-derived c-Myc binding sites appear to form a distinct c-Myc regulatory subnetwork...
Effect of the transposable element environment of human genes on gene length and expressionDaudi Jjingo
School of Biology, Georgia Institute of Technology, GA, USA
Genome Biol Evol 3:259-71. 2011..Our results confirm the overall relevance of the TE environment to gene expression and point to distinct mechanisms by which different TE families may contribute to gene regulation...
A family of human microRNA genes from miniature inverted-repeat transposable elementsJittima Piriyapongsa
School of Biology, Georgia Institute of Technology, Atlanta, Georgia, United States of America
PLoS ONE 2:e203. 2007..Finally, we propose that MITEs may represent an evolutionary link between siRNAs and miRNAs...
A Gibbs sampling strategy applied to the mapping of ambiguous short-sequence tagsJianrong Wang
School of Biology, Georgia Institute of Technology, Atlanta, GA 30332, USA
Bioinformatics 26:2501-8. 2010..Such ambiguous tags are typically eliminated from consideration resulting in a potential loss of important biological information...
Using single-nucleotide polymorphisms to discriminate disease-associated from carried genomes of Neisseria meningitidisLee S Katz
School of Biology, Georgia Institute of Technology, Atlanta, GA 30332, USA
J Bacteriol 193:3633-41. 2011..A number of overrepresented functional categories related to virulence were uncovered among SNP-associated genes, including genes related to the category "symbiosis, encompassing mutualism through parasitism."..
Retroviral promoters in the human genomeAndrew B Conley
School of Biology, Georgia Institute of Technology, 310 Ferst Drive, Atlanta, GA 30306, USA
Bioinformatics 24:1563-7. 2008..These data illustrate the potential of retroviral sequences to regulate human transcription on a large scale consistent with a substantial effect of ERVs on the function and evolution of the human genome...
A computational genomics pipeline for prokaryotic sequencing projectsAndrey O Kislyuk
School of Biology, Georgia Institute of Technology, Atlanta, GA 30332, USA
Bioinformatics 26:1819-26. 2010..biology.gatech.edu/). The pipeline is implemented with a combination of Perl, Bourne Shell and MySQL and is compatible with Linux and other Unix systems...
Genome-wide prediction and analysis of human chromatin boundary elementsJianrong Wang
School of Biology, Georgia Institute of Technology, Atlanta, GA 30332, USA
Nucleic Acids Res 40:511-29. 2012....
Origin and evolution of human microRNAs from transposable elementsJittima Piriyapongsa
School of Biology, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
Genetics 176:1323-37. 2007..Our results indicate that TEs provide a natural mechanism for the origination miRNAs that can contribute to regulatory divergence between species as well as a rich source for the discovery of as yet unknown miRNA genes...
Dual coding of siRNAs and miRNAs by plant transposable elementsJittima Piriyapongsa
School of Biology, Georgia Institute of Technology, Atlanta, Georgia 30332 0230, USA
RNA 14:814-21. 2008..The siRNA-to-miRNA evolutionary transition is representative of a number of other regulatory mechanisms that evolved to silence TEs and were later co-opted to serve as regulators of host gene expression...
Prediction of transposable element derived enhancers using chromatin modification profilesAhsan Huda
School of Biology, Georgia Institute of Technology, Atlanta, Georgia, United States of America
PLoS ONE 6:e27513. 2011....
Epigenetic regulation of Mammalian genomes by transposable elementsAhsan Huda
School of Biology, Georgia Institute of Technology, Atlanta, Georgia 30306, USA
Ann N Y Acad Sci 1178:276-84. 2009..It is hoped that these proposed scenarios may help to serve as a roadmap for future investigations into the epigenetic regulatory effects of mammalian TEs...
Analysis of transposable element sequences using CENSOR and RepeatMaskerAhsan Huda
School of Biology, Georgia Institute of Technology, Atlanta, GA, USA
Methods Mol Biol 537:323-36. 2009..We briefly consider the strengths and weaknesses of these different classes of methods with an emphasis on their complementary utility for the analysis of repetitive DNA in eukaryotes...
Epigenetic regulation of transposable element derived human gene promotersAhsan Huda
School of Biology, Georgia Institute of Technology, 310 Ferst Drive, Atlanta, GA 30332, USA
Gene 475:39-48. 2011....
Meningococcus genome informatics platform: a system for analyzing multilocus sequence typing dataLee S Katz
School of Biology, Georgia Institute of Technology, Atlanta, GA 30332, USA
Nucleic Acids Res 37:W606-11. 2009....
A method for visualization of "omic" datasets for sphingolipid metabolism to predict potentially interesting differencesAmin A Momin
School of Biology, Georgia Institute of Technology, Atlanta, GA, USA
J Lipid Res 52:1073-83. 2011....
Human cis natural antisense transcripts initiated by transposable elementsAndrew B Conley
School of Biology, Georgia Institute of Technology, Atlanta, GA 30306, USA
Trends Genet 24:53-6. 2008..The TE sequences that promote antisense transcription within human genes are relatively ancient, suggesting that selection has acted to conserve their function...
Inhibition of activated pericentromeric SINE/Alu repeat transcription in senescent human adult stem cells reinstates self-renewalJianrong Wang
School of Biology, Georgia Institute of Technology, Atlanta, GA, USA
Cell Cycle 10:3016-30. 2011..Stable suppression of Alu transcription can reverse the senescent phenotype, reinstating the cells' self-renewing properties and increasing their plasticity by altering so-called "master" pluripotency regulators...
Evolutionary and functional divergence between the cystic fibrosis transmembrane conductance regulator and related ATP-binding cassette transportersI King Jordan
School of Biology, Georgia Institute of Technology, 310 Ferst Drive, Atlanta, GA 30332, USA
Proc Natl Acad Sci U S A 105:18865-70. 2008..This analysis sets the stage for understanding the evolutionary and functional relationships that make CFTR a unique ABC transporter protein...
Genome sequences for five strains of the emerging pathogen Haemophilus haemolyticusI King Jordan
School of Biology, Georgia Institute of Technology, Atlanta, Georgia30333, USA
J Bacteriol 193:5879-80. 2011..Preliminary analyses indicate that these genome sequences encode markers that distinguish H. haemolyticus from its closest Haemophilus relatives and provide clues to the identity of its virulence factors...
