Stephen Turner

Profile

I’m Head of Genomics Strategy at Colossal Biosciences working on species restoration and conservation using synthetic biology and genome engineering. I have a M.S. in statistics and Ph.D. in genetics, and did my postdoc in epidemiology. I was a professor in Public Health at the University of Virginia School of Medicine and founding director of UVA’s Bioinformatics Core from 2011-2019. I taught graduate courses in data science and bioinformatics, and wrote the Biological Data Science with R textbook to accompany the course. I left academia for consulting 2019-2023 to build bioinformatics and data science solutions for the US Government in public health, defense, and national security. I’ve been working in de-extinction and conservation genomics ever since. I love talking about genomics, bioinformatics, R, Docker, de-extinction, trail running, and homebrewing.

Subscribe to my newsletter Paired Ends for regular updates on new and interesting research in bioinformatics, computational biology, and data science, with the occasional post on programming.

Publications

tfboot: Bootstrapping and statistical analysis for transcription factor binding site-disrupting variants in gene sets

Stephen D. Turner, Kathleen Morrill, Gregory L. Gedman, A. Titus

bioRxiv 2023

k2v: A Containerized Workflow for Creating VCF Files from Kintelligence Targeted Sequencing Data

Stephen D. Turner, Michelle A. Peck

bioRxiv 2022

Quality Control Procedures for Genome‐Wide Association Studies

Van Q. Truong, Jakob A. Woerner, Tess A. Cherlin, Y. Bradford, A. Lucas, Chelsea C. Okeh, M. Shivakumar, Daniel Hui, Rachit Kumar, M. Pividori, S. Chris Jones, Abigail C. Bossa, Stephen D. Turner, M. Ritchie, S. Verma

Current Protocols 2022

Internal Validation of the ForenSeq Kintelligence Kit for Application to Forensic Genetic Genealogy

Michelle A. Peck, Alexander F. Koeppel, Erin M. Gorden, Jessica L. Bouchet, Mary C. Heaton, D. A. Russell, Carmen R. Reedy, Christina M. Neal, Stephen D. Turner

bioRxiv 2022

KGP: An R Package with Metadata from the 1000 Genomes Project

KGP: An R Package with Metadata from the 1000 Genomes Project

Stephen D. Turner

Relationship Inference with Low-Coverage Whole Genome Sequencing on Forensic Samples

V. Nagraj, M. Scholz, Shakeel Jessa, Jianye Ge, Meng Huang, August E. Woerner, Dixie Peters, B. Budowle, M. Coble, Stephen D. Turner

Forensic Genomics 2022

Automated Infectious Disease Forecasting: Use-cases and Practical Considerations for Pipeline Implementation (preprint)

Automated Infectious Disease Forecasting: Use-cases and Practical Considerations for Pipeline Implementation (preprint)

V. Nagraj, C. Hulme-Lowe, Shakeel Jessa, Stephen D. Turner

vcferr: Development, validation, and application of a single nucleotide polymorphism genotyping error simulation framework

vcferr: Development, validation, and application of a single nucleotide polymorphism genotyping error simulation framework

V. Nagraj, M. Scholz, Shakeel Jessa, Jianye Ge, August E. Woerner, Meng Huang, B. Budowle, Stephen D. Turner, A. Naseri, G. D. Vedova, Cristiane Taniguti

F1000Research 2022

Evaluating the Impact of Dropout and Genotyping Error on SNP-Based Kinship Analysis With Forensic Samples

Evaluating the Impact of Dropout and Genotyping Error on SNP-Based Kinship Analysis With Forensic Samples

Stephen D. Turner, V. Nagraj, M. Scholz, Shakeel Jessa, Carlos A. Acevedo, Jianye Ge, August E. Woerner, B. Budowle

Frontiers in Genetics 2022

vcferr: Development, Validation, and Application of a SNP Genotyping Error Simulation Framework

V. Nagraj, M. Scholz, Shakeel Jessa, Jianye Ge, August E. Woerner, Meng Huang, B. Budowle, Stephen D. Turner

bioRxiv 2022

Complex Genetic Interactions/Data Mining/Dimensionality Reduction

W. S. Bush, Stephen D. Turner

Genetic Analysis of Complex Diseases 2021

skater: an R package for SNP-based kinship analysis, testing, and evaluation

Stephen D. Turner, V. Nagraj, M. Scholz, Shakeel Jessa, Carlos A. Acevedo, Jianye Ge, August E. Woerner, B. Budowle, Wei-Min Chen, M. D. Vigeland, Amy L. Williams

bioRxiv 2021

Sexually dimorphic crosstalk at the maternal-fetal interface.

Tianyanxin Sun, Tania L. Gonzalez, N. Deng, Rosemarie DiPentino, Ekaterina L. Clark, Bora Lee, Jie Tang, Yizhou Wang, B. Stripp, C. Yao, H. Tseng, S. Karumanchi, Alexander F. Koeppel, Stephen D. Turner, Charles R Farber, S. Rich, Erica T. Wang, John W Williams, M. Pisarska

Journal of Clinical Endocrinology and Metabolism 2020

Faculty Opinions recommendation of FLASH: a next-generation CRISPR diagnostic for multiplexed detection of antimicrobial resistance sequences.

Stephen D. Turner

2157. Evaluation of the Utility of the MRSA Nasal PCR Assay in a Community Healthcare System

Athena L. V. Hobbs, Stephen D. Turner, B. Parag, K. Shea, Nathan D. Seligson

Open Forum Infectious Diseases 2019

Faculty Opinions recommendation of InterVar: Clinical Interpretation of Genetic Variants by the 2015 ACMG-AMP Guidelines.

Stephen D. Turner

Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature 2019

Faculty Opinions recommendation of Fast and simple protein-alignment-guided assembly of orthologous gene families from microbiome sequencing reads.

Stephen D. Turner

Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature 2018

Knowledge-Driven Genome-Wide Analysis of Multigenic Interactions Impacting HDL Cholesterol Level

Knowledge-Driven Genome-Wide Analysis of Multigenic Interactions Impacting HDL Cholesterol Level

Stephen D. Turner

Faculty Opinions recommendation of Standards and Guidelines for Validating Next-Generation Sequencing Bioinformatics Pipelines: A Joint Recommendation of the Association for Molecular Pathology and the College of American Pathologists.

Stephen D. Turner

Faculty Opinions recommendation of Critical Assessment of Metagenome Interpretation-a benchmark of metagenomics software.

Stephen D. Turner

Annotables: R data package for annotating/converting Gene IDs

Stephen D. Turner

Electronic medical records and genomics (eMERGE) network exploration in cataract: Several new potential susceptibility loci

Electronic medical records and genomics (eMERGE) network exploration in cataract: Several new potential susceptibility loci

M. Ritchie, S. Verma, M. Hall, Robert J. Goodloe, R. Berg, D. Carrell, C. Carlson, Lin Chen, D. Crosslin, J. Denny, G. Jarvik, Rongling Li, J. Linneman, Jyotismita Pathak, P. Peissig, L. Rasmussen, A. Ramirez, Xiaoming Wang, R. Wilke, Wendy A. Wolf, E. Torstenson, Stephen D. Turner, C. McCarty

Molecular Vision 2014

qqman: an R package for visualizing GWAS results using Q-Q and manhattan plots

Stephen D. Turner

bioRxiv 2014

Faculty Opinions recommendation of A genomic day in the life of a clinical microbiology laboratory.

Stephen D. Turner

Faculty Opinions recommendation of A culture-independent sequence-based metagenomics approach to the investigation of an outbreak of Shiga-toxigenic Escherichia coli O104:H4.

Stephen D. Turner

Faculty Opinions recommendation of A comparative evaluation of sequence classification programs.

Stephen D. Turner

Faculty Opinions recommendation of [CONFERENCE POSTER]: DiffSplice: the genome-wide detection of differential splicing events with RNA-seq.

Stephen D. Turner

Faculty Opinions recommendation of Rapid identification of non-human sequences in high-throughput sequencing datasets.

M. Ritchie, Stephen D. Turner

Faculty Opinions recommendation of Differential gene and transcript expression analysis of RNA-seq experiments with TopHat and Cufflinks.

M. Ritchie, Stephen D. Turner

Faculty of 1000 evaluation for Ten years of pathway analysis: current approaches and outstanding challenges.

M. Ritchie, Stephen D. Turner

Faculty Opinions recommendation of Unraveling the regulatory mechanisms underlying tissue-dependent genetic variation of gene expression.

M. Ritchie, Stephen D. Turner

Faculty Opinions recommendation of Making a definitive diagnosis: successful clinical application of whole exome sequencing in a child with intractable inflammatory bowel disease.

M. Ritchie, Stephen D. Turner

Pitfalls of merging GWAS data: lessons learned in the eMERGE network and quality control procedures to maintain high data quality

R. Zuvich, L. Armstrong, S. Bielinski, Y. Bradford, C. Carlson, D. Crawford, A. Crenshaw, M. de Andrade, K. Doheny, J. Haines, M. Hayes, G. Jarvik, Lan Jiang, I. Kullo, Rongling Li, H. Ling, T. Manolio, Martha E. Matsumoto, C. McCarty, A. McDavid, D. Mirel, L. Olson, J. Paschall, E. Pugh, L. Rasmussen, L. Rasmussen-Torvik, Stephen D. Turner, R. Wilke, M. Ritchie

Genetic Epidemiology 2011

Annotated Manhattan plots and QQ plots for GWAS using R, Revisited

Stephen D. Turner

Knowledge-Driven Multi-Locus Analysis Reveals Gene-Gene Interactions Influencing HDL Cholesterol Level in Two Independent EMR-Linked Biobanks

Knowledge-Driven Multi-Locus Analysis Reveals Gene-Gene Interactions Influencing HDL Cholesterol Level in Two Independent EMR-Linked Biobanks

Stephen D. Turner, R. Berg, J. Linneman, P. Peissig, D. Crawford, J. Denny, D. Roden, C. McCarty, M. Ritchie, R. Wilke

PLoS ONE 2011

Faculty Opinions recommendation of A Database of Gene-Environment Interactions Pertaining to Blood Lipid Traits, Cardiovascular Disease and Type 2 Diabetes.

M. Ritchie, Stephen D. Turner

Association of haplotypes of inflammation‐related genes with gastric preneoplastic lesions in African Americans and Caucasians

J. Zabaleta, M. C. Camargo, M. Ritchie, M. Piazuelo, Rosa A. Sierra, Stephen D. Turner, A. Delgado, E. Fontham, B. Schneider, P. Correa, A. Ochoa

International Journal of Cancer 2011

Quality Control Procedures for Genome‐Wide Association Studies

Stephen D. Turner, L. Armstrong, Y. Bradford, C. Carlson, D. Crawford, A. Crenshaw, M. Andrade, K. Doheny, J. Haines, G. Hayes, G. Jarvik, Lan Jiang, I. Kullo, Rongling Li, H. Ling, T. Manolio, Martha E. Matsumoto, C. McCarty, A. McDavid, D. Mirel, J. Paschall, E. Pugh, L. Rasmussen, R. Wilke, R. Zuvich, M. Ritchie

Current Protocols in Human Genetics 2011

Lack of Association between Single Nucleotide Polymorphism rs3811647 in the TF Gene and Iron Status in Patients with Iron Deficiency and Control Subjects

G. McLaren, C. McCarty, M. Ritchie, Stephen D. Turner, V. Gordeuk, C. Garner, C. Vulpe, S. McLachlan, P. Adams, C. McLaren

ATHENA: A knowledge-based hybrid backpropagation-grammatical evolution neural network algorithm for discovering epistasis among quantitative trait Loci

Stephen D. Turner, S. Dudek, M. Ritchie

BioData Mining 2010

Incorporating Domain Knowledge into Evolutionary Computing for Discovering Gene-Gene Interaction

Stephen D. Turner, S. Dudek, M. Ritchie

Parallel Problem Solving from Nature 2010

Initialization parameter sweep in ATHENA: optimizing neural networks for detecting gene-gene interactions in the presence of small main effects

Initialization parameter sweep in ATHENA: optimizing neural networks for detecting gene-gene interactions in the presence of small main effects

E. Holzinger, C. Buchanan, S. Dudek, E. Torstenson, Stephen D. Turner, M. Ritchie

Annual Conference on Genetic and Evolutionary Computation 2010

Faculty Opinions recommendation of Genetic heterogeneity in human disease.

M. Ritchie, Stephen D. Turner

Genome-Wide Association Study of Cataract in the Emerge Consortium

C. McCarty, Stephen D. Turner, L. Rasmussen, Carol Waudby, R. Berg, J. Linneman, P. Peissig, Lin Chen, J. Starren, M. Ritchie

Grammatical Evolution of Neural Networks for Discovering Epistasis among Quantitative Trait Loci

Stephen D. Turner, S. Dudek, M. Ritchie

Evolutionary Computation, Machine Learning and Data Mining in Bioinformatics 2010

A General Framework for Formal Tests of Interaction after Exhaustive Search Methods with Applications to MDR and MDR-PDT

A General Framework for Formal Tests of Interaction after Exhaustive Search Methods with Applications to MDR and MDR-PDT

T. Edwards, Stephen D. Turner, E. Torstenson, S. Dudek, E. Martin, M. Ritchie

PLoS ONE 2010

Methods for optimizing statistical analyses in pharmacogenomics research

Stephen D. Turner, D. Crawford, M. Ritchie

Expert Review of Clinical Pharmacology 2009

Conquering the Needle-in-a-Haystack: How Correlated Input Variables Beneficially Alter the Fitness Landscape for Neural Networks

Stephen D. Turner, M. Ritchie, W. Bush

Evolutionary Computation, Machine Learning and Data Mining in Bioinformatics 2009

Abstract A10: IL1B haplotypes and risk of gastric precancerous lesions in African Americans and Caucasians in New Orleans

J. Zabaleta, M. C. Camargo, M. Ritchie, M. Piazuelo, Rosa A. Sierra, Stephen D. Turner, A. Delgado, E. Fontham, B. Schneider, P. Correa, A. Ochoa

P3-240: Genome-wide analysis of gene-gene interaction in Alzheimer's disease

E. Martin, Stephen D. Turner, G. Beecham, J. Gilbert, J. Haines, M. Pericak-Vance, M. Ritchie

Alzheimer's & Dementia 2008

Generating Linkage Disequilibrium Patterns in Data Simulations Using genomeSIMLA

T. Edwards, W. Bush, Stephen D. Turner, S. Dudek, E. Torstenson, Mike Schmidt, E. Martin, M. Ritchie

Evolutionary Computation, Machine Learning and Data Mining in Bioinformatics 2008

Multivariate Analysis of Regulatory Snps: Empowering Personal Genomics by Considering Cis-Epistasis and Heterogeneity

Multivariate Analysis of Regulatory Snps: Empowering Personal Genomics by Considering Cis-Epistasis and Heterogeneity

Stephen D. Turner, W. Bush

Pacific Symposium on Biocomputing 2011

- 1-ATHENA : A Knowledge [ 1 ]-Based Hybrid Backpropagation-Grammatical Evolution Neural Network Algorithm for Discovering Epistasis among Quantitative Trait Loci

Stephen D. Turner, S. Dudek, M. Ritchie

Differential Gene Expression during Placentation in Pregnancies Conceived with Different Fertility Treatments Compared to Spontaneous Pregnancies

Differential Gene Expression during Placentation in Pregnancies Conceived with Different Fertility Treatments Compared to Spontaneous Pregnancies

Bora Lee, Alexander F. Koeppel, Erica T. Wang, Tania L. Gonzalez, Tianyanxin Sun, Lindsay Kroener, Yayu Lin, N. Joshi, Tejal Ghadiali, Stephen D. Turner, S. Rich, R. Charles, Farber, Jerome I. Rotter, Y. Chen, M. Goodarzi, Seth Guller, Bryna Harwood, T. Serna, John W Williams, M. Pisarska