research overview The Sawyer lab studies viral immunity, viral evolution, and the transmission of viruses from animals to people.
selected publications conference proceeding A glycan shield on chimpanzee CD4 protects against infection by primate lentiviruses (HIV/SIV). Journal of Medical Primatology. 222-223. 2020 Two-stage ML Classifier for Identifying Host Protein Targets of the Dengue Protease. Pacific Symposium on Biocomputing. 487-498. 2019 journal article CXCR4-tropic HIV-1 infection in an immunocompetent monkey model.. Nature Communications. 2026 Reverse genetics rescue of sylvatic dengue viruses. Journal of Virology. 2025 Future threats: Animal orthoflaviviruses that currently infect fewer than 100 people per year. Cell reports. 2025 Adaptation of CD4 in gorillas and chimpanzees conveyed resistance to simian immunodeficiency viruses. eLife. 2025 Regulation of human interferon signaling by transposon exonization. Cell. 2024 Adaptation of CD4 in gorillas and chimpanzees conveyed resistance to simian immunodeficiency viruses. 2024 Macrophages derived from human induced pluripotent stem cells (iPSCs) serve as a high-fidelity cellular model for investigating HIV-1, dengue, and influenza viruses. Journal of Virology. 2024 Structurally divergent and recurrently mutated regions of primate genomes. Cell. 2024 Human mRNA in saliva can correctly identify individuals harboring acute infection. mBio. 2023 Quantification of virus-infected cells using RNA FISH-Flow. STAR Protocols. 2023 How avian influenza viruses spill over to mammals. eLife. 2023 Identifying animal viruses in humans. Science. 982-983. 2023 High rates of observed face mask use at Colorado universities align with students' opinions about masking and support the safety and viability of in-person higher education during the COVID-19 pandemic. BMC Public Health. 2023 RNase L activation in the cytoplasm induces aberrant processing of mRNAs in the nucleus. PLoS Pathogens. 2022 On the lookout for viruses that could leap from animals into humans. Nature. S41-S41. 2022 Primate hemorrhagic fever-causing arteriviruses are poised for spillover to humans. Cell. 3980-+. 2022 Monkeypox emergency: Urgent questions and perspectives. Cell. 3279-3281. 2022 Human ACE2 Polymorphisms from Different Human Populations Modulate SARS-CoV-2 Infection. Viruses. 2022 Estimating the effect of non-pharmaceutical interventions on US SARS-CoV-2 infections in the first year of the pandemic. Royal Society Open Science. 2022 Just 2% of SARS-CoV-2-positive individuals carry 90% of the virus circulating in communities (vol 118, e2104547118, 2021). Proceedings of the National Academy of Sciences of the United States of America. 2022 Nuku, a family of primate retrocopies derived from KU70. G3: Genes, Genomes, Genetics. 2021 RNase L limits host and viral protein synthesis via inhibition of mRNA export. Science Advances. 2021 Just 2% of SARS-CoV-2-positive individuals carry 90% of the virus circulating in communities. Proceedings of the National Academy of Sciences of the United States of America. 2021 Positive natural selection in primate genes of the type I interferon response. BMC Ecology and Evolution. 2021 Saliva TwoStep for rapid detection of asymptomatic SARS-CoV-2 carriers. eLife. 2021 Just 2% of SARS-CoV-2-positive individuals carry 90% of the virus circulating in communities. 2021 Saliva TwoStep for rapid detection of asymptomatic SARS-CoV-2 carriers. 2021 Two-stage ML Classifier for Identifying Host Protein Targets of the Dengue Protease. Pacific Symposium on Biocomputing. 487-498. 2020 dsRNA-Seq: Identification of Viral Infection by Purifying and Sequencing dsRNA. Viruses. 2019 TRIM5α Restricts Flavivirus Replication by Targeting the Viral Protease for Proteasomal Degradation. Cell reports. 3269-+. 2019 A glycan shield on chimpanzee CD4 protects against infection by primate lentiviruses (HIV/SIV). Proceedings of the National Academy of Sciences of the United States of America. 11460-11469. 2019 A metaanalysis of bat phylogenetics and positive selection based on genomes and transcriptomes from 18 species. Proceedings of the National Academy of Sciences of the United States of America. 11351-11360. 2019 Selective use of primate CD4 receptors by HIV-1. PLoS Biology. 2019 How host genetics dictates successful viral zoonosis. PLoS Biology. 2019 Species-Specific Deamidation of cGAS by Herpes Simplex Virus UL37 Protein Facilitates Viral Replication. Cell Host and Microbe. 234-+. 2018 Control of yeast retrotransposons mediated through nucleoporin evolution. PLoS Genetics. 2018 Dengue viruses cleave STING in humans but not in nonhuman primates, their presumed natural reservoir. eLife. 2018 Species-specific vulnerability of RanBP2 shaped the evolution of SIV as it transmitted in African apes. PLoS Pathogens. 2018 Owl monkey CCR5 reveals synergism between CD4 and CCR5 in HIV-1 entry. Virology. 180-186. 2017 Nuclear TRIM25 Specifically Targets Influenza Virus Ribonucleoproteins to Block the Onset of RNA Chain Elongation. Cell Host and Microbe. 627-+. 2017 Modulation of LINE-1 Retrotransposition by a Human SAMHD1 Polymorphism.. Virology Reports. 53-60. 2016 Non-human Primate Schlafen11 Inhibits Production of Both Host and Viral Proteins. PLoS Pathogens. 2016 XRN1 Is a Species-Specific Virus Restriction Factor in Yeasts. PLoS Pathogens. 2016 An Intrinsically Disordered Region of the DNA Repair Protein Nbs1 Is a Species-Specific Barrier to Herpes Simplex Virus 1 in Primates. Cell Host and Microbe. 178-188. 2016 ADAPTIVE EVOLUTION At the mercy of viruses. eLife. 2016 A putative SUMO interacting motif in the B30.2/SPRY domain of rhesus macaque TRIM5 alpha important for NF-kappa B/AP-1 signaling and HIV-1 restriction. Heliyon. 2016 Filovirus receptor NPC1 contributes to species-specific patterns of ebolavirus susceptibility in bats. eLife. 2015 Understanding Biases in Ribosome Profiling Experiments Reveals Signatures of Translation Dynamics in Yeast. PLoS Genetics. 2015 Computational and Functional Analysis of the Virus-Receptor Interface Reveals Host Range Trade-Offs in New World Arenaviruses. Journal of Virology. 11643-11653. 2015 Identification of Owl Monkey CD4 Receptors Broadly Compatible with Early-Stage HIV-1 Isolates. Journal of Virology. 8611-8622. 2015 The Effect of Species Representation on the Detection of Positive Selection in Primate Gene Data Sets. Molecular Biology and Evolution (MBE). 1091-1096. 2015 Rapid evolution of BRCA1 and BRCA2 in humans and other primates. BMC Evolutionary Biology. 2014 Effects of human SAMHD1 polymorphisms on HIV-1 susceptibility. Virology. 34-44. 2014 Widespread Sequence Variations in VAMP1 across Vertebrates Suggest a Potential Selective Pressure from Botulinum Neurotoxins. PLoS Pathogens. 2014 Reply to Schmitt et al.: Data-filtering schemes for avoiding double-counting in circle sequencing. Proceedings of the National Academy of Sciences of the United States of America. E1561-E1561. 2014 Positive selection of primate genes that promote HIV-1 replication. Virology. 291-298. 2014 Analyzing machupo virus-receptor binding by molecular dynamics simulations. PeerJ. 2014 High-throughput DNA sequencing errors are reduced by orders of magnitude using circle sequencing. Proceedings of the National Academy of Sciences of the United States of America. 19872-19877. 2013 Recent host-shifts in ranaviruses: signatures of positive selection in the viral genome. Journal of General Virology. 2082-2093. 2013 D316 is critical for the enzymatic activity and HIV-1 restriction potential of human and rhesus APOBEC3B. Virology. 31-39. 2013 D316 is critical for the enzymatic activity and HIV-1 restriction potential of human and rhesus APOBEC3B. Virology. 31-39. 2013 Dual Host-Virus Arms Races Shape an Essential Housekeeping Protein. PLoS Biology. 2013 Generation of an HIV Resistant T-cell Line by Targeted "Stacking" of Restriction Factors. Molecular Therapy. 786-795. 2013 An Evolutionary Screen Highlights Canonical and Noncanonical Candidate Antiviral Genes within the Primate TRIM Gene Family. Genome Biology and Evolution. 2141-2154. 2013 A cross-species view on viruses. Current Opinion in Virology. 561-568. 2012 Evidence for ACE2-Utilizing Coronaviruses (CoVs) Related to Severe Acute Respiratory Syndrome CoV in Bats. Journal of Virology. 6350-6353. 2012 Evolutionary Reconstructions of the Transferrin Receptor of Caniforms Supports Canine Parvovirus Being a Re-emerged and Not a Novel Pathogen in Dogs. PLoS Pathogens. 2012 HIV-1 Capsid-Targeting Domain of Cleavage and Polyadenylation Specificity Factor 6. Journal of Virology. 3851-3860. 2012 Species-Specific Features of DARC, the Primate Receptor for Plasmodium vivax and Plasmodium knowlesi. Molecular Biology and Evolution (MBE). 445-449. 2012 Identification of a Genomic Reservoir for New TRIM Genes in Primate Genomes. PLoS Genetics. 2011 Two-stepping through time: mammals and viruses. Trends in Microbiology. 286-294. 2011 Ancient and Recent Adaptive Evolution of Primate Non-Homologous End Joining Genes. PLoS Genetics. 2010 An expanded clade of rodent Trim5 genes. Virology. 473-483. 2009 Molecular evolution of the antiretroviral TRIM5 gene. Immunogenetics. 163-176. 2009 Discordant evolution of the adjacent antiretroviral genes TRIM22 and TRIM5 in mammals. PLoS Pathogens. 1918-1929. 2007 Positive selection of yeast nonhomologous end-joining genes and a retrotransposon conflict hypothesis. Proceedings of the National Academy of Sciences of the United States of America. 17614-17619. 2006 High-frequency persistence of an impaired allele of the retroviral defense gene TRIM5α in humans. Current Biology. 95-100. 2006 High-frequency persistence of an impaired allele of the retroviral defense gene TRIM5alpha in humans.. Current Biology. 95-100. 2006 Positive selection of primate TRIM5α identifies a critical species-specific retroviral restriction domain. Proceedings of the National Academy of Sciences of the United States of America. 2832-2837. 2005 Ancient adaptive evolution of the primate antiviral DNA-editing enzyme APOBEC3G. PLoS Biology. 1278-1285. 2004 Mcm10 and Cdc45 cooperate in origin activation in Saccharomyces cerevisiae. Journal of Molecular Biology. 195-202. 2004 Mcm10 and Cdc45 Cooperate in Origin Activation in Saccharomyces cerevisiae. Journal of Molecular Biology. 195-202. 2004 The hexameric eukaryotic MCM helicase: Building symmetry from nonidentical parts. Journal of Biological Chemistry. 34833-34836. 2000 Mcm10 and the MCM2-7 complex interact to initiate DNA synthesis and to release replication factors from origins. Genes & Development. 913-926. 2000 2ND OPINIONS. Veterinary Record. 56-56. 1986 FACILITATION OF INDIVIDUAL FORELIMB MOTOR UNITS BY SINGLE INTRACORTICAL MICROSTIMULI IN BEHAVING MONKEYS. Journal of Physiology. P19-P20. 1983 DR OR MR. Veterinary Record. 22-22. 1978
awards and honors NIH Director’s Pioneer Award (DP1), conferred by National Institutes of Health, 2022 NIH Director’s Pioneer Award (DP1), conferred by National Institutes of Health, 2018 Avant-Garde Award for HIV/AIDS Research, conferred by National Institute on Drug Abuse, 2018 Richard M. Elliott Memorial Award in Virology, conferred by MRC-University of Glasgow Centre for Virus Research, 2018 Investigators in Pathogenesis of Infectious Diseases, conferred by Burroughs Wellcome Fund, 2013 Kavli Frontiers of Science Fellow, conferred by National Academy of Sciences, 2011 Presidential Early Career Awards for Scientists and Engineers, conferred by President of the United States of America, 2010 Sloan Research Fellowship-Molecular Biology, conferred by Alfred P. Sloan Foundation, 2009