Publications

All Machine Learning Bioinformatics/Computational Biology Neural Networks
Discovering and Mapping Chromatin States Using a Tree Hidden Markov Model
Biesinger J, Wang Y, and Xie X
A mixture model for expression deconvolution from RNA-seq in heterogeneous tissues
Li Y and Xie X
Efficient direct search on compressed genomic data
Yang X, Wang B, Li C, Wang J, and Xie X
IEEE International Conference on Data Engineering (ICDE), 2013
Transcriptome-wide analyses of CstF64-RNA interactions in global regulation of mRNA alternative polyadenylation
Yao C, Biesinger J,Wan J,Weng L, Busch A, Xing Y, Xie X, and Shi Y
PNAS, 2012
Learning sparse gradients for variable selection and dimension reduction
Ye G and Xie X
Machine Learning Journal, 10.1007/s10994-012-5284-9, 2012
Preprint
Genome-wide analysis of hepatic LRH-1 reveals a promoter binding preference and suggests a role in regulating genes of lipid metabolism in concert with FXR
Kim Chong H, Biesinger J, Seo YK, Xie X, Osborne TF
BMC Genomics, 2012
Hobbes: optimized gram-based methods for efficient read alignment
Ahmadi A, Behm A, Honnalli N, Li C, Weng L, and Xie X
Nucleic Acids Research, 2011
Software: Hobbes
Efficient latent variable graphical model selection via split Bregman method
Ye G, Wang Y, Chen Y, and Xie X
arXiv:1110.3076v1, 2011
MotifMap: integrative genome-wide maps of regulatory motif sites for model species.
Daily K, Patel VR, Rigor P, Xie X, Baldi P.
BMC Bioinformatics, 2011
A high-resolution map of human evolutionary constraint using 29 mammals
Lindblad-Toh, Barber, Zuk, Lin, et al.
Nature, 2011
SNP-based pathway enrichment analysis for genome-wide association studies
Weng L, Macciardi F, Subramanian A, Guffanti G, Potkin SG, Yu Z, and Xie X
BMC Bioinformatics, 2011
Software: SNP Set Enrichment Analysis (SSEA)
Genome-wide Positioning of SREBP-2 in Hepatic Chromatin Predicts a Novel Role in Autophagy
Seo Y, Jeon T , Chong H, Beisinger J, Xie X, and Osborne TF
Cell Metabolism, 13:367-75, 2011
Science Daily coverage
AREM: aligning short reads from ChIP-sequencing by expectation maximization
Newkirk D, Biesinger, J, Chon A, Yokomori K, and Xie X
J Comput Biol., 2011
Software: AREM
Efficient variable selection in support vector machines via the alternating direction method of multipliers
Ye G, Chen Y, and Xie X
AI & STATS , 2011
Split Bregman method for sparse inverse covariance estimation with matrix iteration acceleration
Ye G, Cai J, and Xie X
arXiv:1012.0975v1, 2010
Split Bregman method for large scale fused Lasso
Ye G-B and Xie X
Computational Statistics and Data Analysis, doi:10.1016/j.csda.2010.10.021, 2010
arXiv version
Data Structures and Compression Algorithms for High-Throughput Sequencing Technologies
Daily K, Rigor P, Christley S, Xie X and Baldi P
BMC Bioinformatics,11:514, 2010
Interactive and fuzzy search: a dynamic way to explore MEDLINE
Wang J, Cetindil I, Ji S, Li C*, Xie X*, Li G and Feng J
Bioinformatics, 26(18):2321-2327, 2010
iPubMed Search
Variable selection and dimension reduction via sparse gradients
Ye G-B and Xie X
arXiv:1006.5060v2, 2010
Identifying gene regulatory networks in Schizophrenia
Potkin SG, Macciardi F, Guffanti G, Wang Q, Turner JA, Lakatos A, Miles MF, Lander A, Vawter MP, Xie X
NeuroImage 53:839-847, 2010
Parameter inference for discretely observed stochastic kinetic models using stochastic gradient descent
Wang Y, Christley S, Mjolsness E, and Xie X
BMC Systems Biology, 4:99doi:10.1186/1752-0509-4-99, 2010
Site-frequency Spectrum of Linked Sites
Xie X
Bulletin of Mathematical Biology, DOI: 10.1007/s11538-010-9534-3, 2010
Genome-Wide Interrogation of Hepatic FXR Reveals an Asymmetric IR-1 Motif and Synergy with LRH-1
Chong H, Infante A, Seo Y, Jeon T, Ahang Y, Edwards P, Xie X, and Osborne TF
Nucleic Acids Research, doi:10.1093/nar/gkq397, 2010
Online Supplementary Materials
Systematic discovery of regulatory motifs in Fusarium graminearum by comparing four Fusarium genomes
Kumar L, Breakspear A, Kistler HC, Ma L-J, and Xie X
BMC Genomics 11:208, 2010
Supplementary Information
Fusarium Comparative Database
Comparative genomics reveals mobile pathogenicity chromosomes in Fusarium oxysporum
Ma L-J, et al.
Nature 464:367-373, 2010
The chromosomal secrets of a plant pathogen
Comparative genomics reveals horizontal gene transfer in pathogenic fungus
Fusarium Comparative Database
Incorporating existing network information into gene network inference
Christley S, Nie Q and Xie X
PLoS ONE 4(8): e6799. doi:10.1371/journal.pone.0006799 (2009)
Genome-wide analysis of SREBP-1 binding in mouse liver chromatin reveals a preference for promoter proximal binding to a new motif
Seo YK, Chong HK, Infante AM, Im S, Xie X, and Osborne TF
Proc Natl Acad Sci USA doi:10.1073/pnas.0904246106 (2009)
Identifying novel constrained elements by exploiting biased substitution patterns
Garber M, Guttman1 M, Clamp M, Zody MG, Friedman N, and Xie X
Bioinformatics 25:i54-i62 (2009)
Supplementary Methods
SiPhy (SIte-specific PHYlogenetic analysis) Java software package
Comparative genomics allows the discovery of cis-regulatory elements in mosquitoes
Sieglaff DH, Dunn WA, Xie X, Megy K, Marinotti O, and James AA
Proc Natl Acad Sci USA doi:10.1073/pnas.0813264106 (2009)
PDF
Common polymorphic transcript variation in human disease
Fraser H and Xie X
Genome Research doi:10.1101/gr.083477.108 (2009)
PDF
MotifMap: a human genome-wide map of candidate regulatory motif sites
Xie X, Rigor P, and Baldi P
Bioinformatics 25: 167-174 (2009)
PDF Supplementary Methods
MotifMap Server
Human genomes as email attachments
Christley S, Lu Y, Li C, and Xie X
Bioinformatics 25: 274-275 (2009)
DNAzip: DNA sequence compression using a reference genome
PDF
News featured in genomeweb
News featured in bio-itworld
One of the 20 most important papers in Translational Bioinformatics in 2009 as reviewed by Russ Altman of Stanford
Discovering regulatory motifs in the Plasmodium genome using comparative genomics
Wu J, Sieglaff DH, Gervin J, and Xie X
Bioinformatics 24:1843-9 (2008)
MDOS software: A method for Motif Discovery using Orthologous Sequences (alignment independent).
Supplementary Information on the MDOS algorithm
Genomewide analysis of PRC1 and PRC2 occupancy identifies two classes of bivalent domains
Ku M, Koche RP, Rheinbay E, Mendenhall EM, Endoh M, Mikkelsen TS, Presser A, Nusbaum C, Xie X, Chi AS, Adli M, Kasif S, Ptaszek LM, Cowan CA, Lander ES, Koseki H, Bernstein BE
PLoS Genetics 4(10):e1000242 (2008)
Distinguishing protein-coding and noncoding genes in the human genome
Clamp M, Fry B, Kamal M, Xie X, Cuff J, Lin MF, Kellis M, Lindblad-Toh K, and Lander ES.
Proc Natl Acad Sci USA 104(49):19428-33 (2007)
Genome-wide detection and characterization of positive selection in human populations
Sabeti PC, Varilly P, Fry B, Lohmueller J, Hostetter E, Cotsapas C, Xie X, Byrne EH, McCarroll SA, Gaudet R, Schaffner SF, Lander ES and International HapMap Consortium
Nature 449:913-918 (2007)
Geome-wide maps of chromatin state in pluripotent and lineage-committed cells
Mikkelsen TS, Ku M, Jaffe DB, Issac B, Lieberman E, Giannoukos G, Alvarez P, Brockman W, Kim TK, Koche RP, Lee W, Mendenhall E, O'Donovan A, Presser A, Russ C, Xie X, Meissner A, Wernig M, Jaenisch R, Nusbaum C, Lander ES, Bernstein BE.
Nature 448:553-60 (2007)
Systematic discovery of regulatory motifs in conserved regions of the human genome, including thousands of CTCF insulator sites
Xie X, Mikkelsen TS, Gnirke A, Lindblad-Toh K, Kellis M and Lander ES.
Proc Natl Acad Sci USA 104:7145-7150 (2007)
Supplementary website     Supporting Information     News story
Genome of the marsupial Monodelphis domestica reveals innovation in non-coding sequences
Mikkelsen TS, Wakefield MJ, et al.
Nature 447:167-177 (2007)
A family of conserved noncoding elements derived from an ancient transposable element
Xie X, Kamal M, and Lander ES.
Proc Natl Acad Sci USA 103:11659-11664 (2006)
Supplementary website     Supporting Information     News story
A large family of ancient repeat elements in the human genome is under strong selection
Kamal M, Xie X, and Lander ES.
Proc Natl Acad Sci USA 103:2740-2745 (2006)
Supplementary website     Supporting Information     News story
A Bivalent Chromatin Structure Marks Key Developmental Genes in Embryonic Stem Cells
Bernstein BE, Mikkelsen TS, Xie X, Kamal M et al.
Cell 125:315-26 (2006)
Comparative sequence analysis reveals an intricate network among REST, CREB and miRNA in mediating neuronal gene expression
Wu J and Xie X
Genome Biology 7(9):R85 (2006) (Highly accessed)
Supplementary website
Systematic identification of human mitochondrial disease genes through integrative genomics
Calvo S, Jain M, Xie X, Chang B, Spinazzola A, Zeviani M, Carr S, and Mootha VK.
Nature Genetics, 38:576-82 (2006)
Systematic discovery of regulatory motifs in human promoters and 3' UTRs by comparison of several mammals
Xie X, Lu J, Kulbokas EJ, Golub TR, Mootha VK, Lindblad-Toh K, Lander ES, Kellis M.
Nature 2005; 434:338-45
Supplementary Website     Supplementary Information     News story
A molecular-properties-based approach to understanding PDZ domain proteins and PDZ ligands
Giallourakis C, Cao Z, Green T, Wachtel H, Xie X, Lopez-Illasaca M, Daly M, Rioux J, Xavier R.
Genome Resesarch, 16:1056-72 (2006)
A Mammalian Organelle Map by Protein Correlation Profiling
Foster LJ, de Hoog CL, Zhang Y, Zhang Y, Xie X, Mootha VK, and Mann M.
Cell 125:187-99 (2006)
Learning curves for stochastic gradient descent in linear feedforward networks.
Werfel J, Xie X and Seung HS.
Neural Computation, 2005;17:2699-718
Genome sequence, comparative analysis and haplotype structure of the domestic dog
Lindblad-Toh K, Wade CM, et al.
Nature 438:803-19 2005
Disease gene discovery through integrative genomics.
Giallourakis C, Henson C, Reich M, Xie X, and Mootha VK.
Annu. Rev. Genomics Hum. Genet. 2005:22:381-406.
Learning in neural networks by reinforcement of irregular spiking.
Xie X and Seung HS.
Phys Rev E, 2004;69:041909
Erralpha and Gabpa/b specify PGC-1alpha-dependent oxidative phosphorylation gene expression that is altered in diabetic muscle
Mootha VK, Handschin C, Arlow D, Xie X, St Pierre J et al.
Proc Natl Acad Sci USA, 2004;101:6570-5
The double-ring network modeling of the head-direction system
Xie X, Hahnloser RH, and Seung HS.
Physical Review E, 2002;66:041902
Nonlinear dynamics of direction-selective recurrent neural media
Xie X and Giese MA.
Physical Review E, 2002;65:051904
Exact solution of the nonlinear dynamics of recurrent neural mechanisms for direction selectivity
Giese MA and Xie X
Neurocomputing 2002;44:417-422
Learning winner-take-all competition between groups of neurons in lateral inhibitory networks
Xie X, Hahnloser HR, and Seung HS.
Advances in Neural Information Processing Systems 2001;13:350-356
Generating velocity tuning by asymmetric recurrent connections
Xie X and Giese MA.
Advances in Neural Information Processing Systems 2002;13:325-332
Selectively Grouping Neurons in Recurrent Networks of Lateral Inhibition
Xie X, Hahnloser RH, and Seung HS.
Neural Computation, 2002;14:2627-2646
Equivalence of backpropagation and contrastive Hebbian learning in a layered network
Xie X and Seung HS.
Neural Computation, 2003;16:441-454
Threshold behavior of maximum likelihood method in population decoding
Xie X
Network: Comput. Neural Syst. 2002;13:447-456
Spike-based learning rules and stabilization of persistent neural activity
Xie X and Seung HS
Advances in Neural Information Processing Systems 2000;12:199-205