Currently in review for publication:
Hildbrand, R.H., S.R. Keller, S.M. Laperriere, A.E. Santoro, J. Cessna, and R. Trott. Using the microbiome to assess the ecological condition of headwater streams. In review at PLoS One
Laperriere, S.M., R.H. Hildbrand, S.R. Keller, R. Trott, and A.E. Santoro. Microbial indicators of watershed land use and headwater stream condition. In review at Applied and Environmental Microbiology.
Sun, Y., J. Ding, E. Riemann, and S.R. Keller. Biological control of invasive weeds under climate change: progress, challenges, and management implications. In review at Current Opinion in Insect Science
Gougherty, A., Chhatre, S.R. Keller, and M.C. Fitzpatrick. Contemporary range position predicts the range-wide pattern of genetic diversity in balsam poplar (Populus balsamifera L.). In review at Journal of Biogeography.
Verrico, B.M., J. Weiland, T.D. Perkins, B. Became, and S.R. Keller. Long-term monitoring reveals forest community change driven by atmospheric sulfate pollution and contemporary climate change. In review at Diversity and Distributions.
Published or accepted and in press:
Lachmuth, S., J. Molofsky, L. Milbrath, J. Suda, and S.R. Keller. 2019. Associations between genomic ancestry, genome size and capitula morphology in the invasive meadow knapweed hybrid complex (Centaurea × moncktonii C.E. Britton) in eastern North America. AoBPlants https://doi.org/10.1093/aobpla/plz055.
Butnor, J.R., B.M. Verrico, K.J. Johnsen, C.A. Mayer, V. Vankus, and S.R. Keller. 2019. Phenotypic variation in climate-associated traits of red spruce (Picea rubens Sarg.) along elevation gradients in the southern Appalachian Mountains. Castanea 84:128-143.
Fetter, K.C., S. Eberhardt, R.S. Barclay, S. Wing, and S.R. Keller. 2019. StomataCounter: a neural network automatic stomata identification and counting. New Phytologist 223:1671-1681. (The definitive version is available at Wiley Interscience.)
Fetter, K. C. and A. Weakley. 2019. Reduced gene flow from mainland populations of Liriodendron tulipifera into the Florida peninsula promotes diversification. International Journal of Plant Sciences 180:253-269.
Schrieber, K., S. Wolf, C. Wypior, D. Hohlig, S.R. Keller, I. Hensen, and S. Lachmuth. 2019. Enemy release mitigates inbreeding depression in native and invasive Silene latifolia populations: experimental insight into the role of inbreeding × environment interactions in invasion success. Ecology and Evolution 9:3564-3576.
Hoogland, J.L., R. Trott, and S.R. Keller. 2019. Polyandry and polygyny in a social rodent: an integrative perspective based on social organization, copulations, and genetics. Frontiers in Ecology and Evolution. doi.org/10.3389/fevo.2019.00003.
Gougherty, A.V., S.R. Keller, A. Kruger, C.D. Stylinski, A.J. Elmore, and M.C. Fitzpatrick. 2018. Estimating tree phenology from high frequency tree movement data. Agricultural and Forest Meteorology, 263:217-224.
Chhatre, V.E., L.M. Evans, S.P. DiFazio, and S.R. Keller. 2018. Adaptive introgression and maintenance of a trispecies hybrid complex in range-edge populations of Populus. Molecular Ecology 27:4820-4838.
Fitzpatrick, M.C., S.R. Keller, and K.E. Lotterhos. 2018. Comment on “Genomic signals of selection predict climate-driven population declines in a migratory bird.” Science 361, eaat7279.
Butnor, J.R., B.M. Verrico, V. Vankus, and S.R. Keller. 2018. Ethanol exposure can inhibit red spruce (Picea rubens Sarg.) germination. Seed Science and Technology, 46:259-265.
Keller, S.R., V.E. Chhatre, and M.C. Fitzpatrick. 2017. Influence of range position on locally adaptive gene-environment associations in Populus flowering time genes. Journal of Heredity, 109:47-58.
Palacio-Lopez, K., S.R. Keller, J.M. Molofsky. 2017. Genomic admixture between locally adapted populations of Arabidopsis thaliana (Mouse ear cress): Evidence of optimal genetic outcrossing distance. Journal of Heredity, 109:38-46.
Fetter, K.C., P. Gugger, and S.R. Keller. 2017. Landscape genomics in angiosperm trees: model systems at the foundations and forefront of the field. Comparative and Evolutionary Genomics of Angiosperm Trees. Andrew Groover and Quentin Cronk, eds. Springer, ISBN 978-3-319-49329-9.
Keller, S.R., R. Hilderbrand, M.K. Shank, and M. Potapova. 2017. Environmental DNA genetic monitoring of the nuisance freshwater diatom, Didymospheniageminata, in eastern North American streams. Diversity and Distributions, 23:381-393.
— see also the article in The Scientist featuring our eDNA work on Didymo
Colautti, R.I., J.M. Alexander, K.M. Dglugosch, S.R. Keller, and S.E. Sultan. 2017. Invasions and extinctions: through the looking glass of evolutionary ecology. Philosophical Transactions of the Royal Society B, 372(1712):20160031.
Keller, S.R. 2017. A genetic assessment of the population health and connectivity of a keystone species in high elevation Appalachian forest ecosystems: red spruce (Picea rubens Sarg.). Final report to the West Virginia Department of Natural Resources (not peer-reviewed). July 20, 2017.
Sebasky, M., S.R. Keller, and D.R. Taylor. 2016. Investigating past range dynamics for a weed of cultivation, Silene vulgaris. Ecology and Evolution, 6:4800-4811.
Pylant, C.L., D.M. Nelson, M.C. Fitzpatrick, J.E. Gates, and S.R. Keller. 2016. Geographic origins and population genetics of bats killed at wind-energy facilities. Ecological Applications, 26:1381.
Kazyak, D.C., R.H. Hilderbrand, T.L. King, S.R. Keller, and V.E. Chhatre. 2016. Hiding in plain sight: a case for cryptic metapopulations in brook trout. PLoS ONE 11(1): e0146295.
Jaramillo-Correa, J.P., J. Prunier, A. Vazquez-Lobo, S.R. Keller, A. Moreno-Letelier. 2015. Molecular signatures of adaptation and selection in forest trees. Advances in Botanical Research, Vol. 74, 265-306.
Fitzpatrick, M.C. and S.R. Keller. 2015. Ecological genomics meets community-level modeling of biodiversity: Mapping the genomic landscape of current and future environmental adaptation. Ecology Letters 18:1-16.
Kazyak, D.C., R.H. Hilderbrand, S.R. Keller, M.C. Colaw, A.E. Holloway, R.P. Morgan III, and T.L. King. 2015. Spatial structure of morphological and neutral genetic variation in Brook Trout (Salvelinus fontinalis). Trans. Amer. Fisheries Soc. 144:480-490.
Pylant, C.L., D.M. Nelson, and S.R. Keller. 2014. Stable hydrogen isotopes record the summering grounds of eastern red bats (Lasiurus borealis). PeerJ 2:e629.
Molofsky, J., S.R. Keller, S. Lavergne, M. Kaproth, and M. Eppinga. 2014. Human-aided admixture may fuel ecosystem transformation during biological invasions: theoretical and experimental evidence. Ecology and Evolution 4: 899-910.
Keller, S.R., P. D. Fields, A. E. Berardi, and D. R. Taylor. 2014. Recent admixture generates heterozygosity-fitness correlations during the range expansion of an invading species. Journal of Evolutionary Biology 27:616-627.
Keller, S.R., R. Trott, C. Pylant, and D. Nelson. 2013. Genome-wide microsatellite marker development from next-generation sequencing of two non-model bat species impacted by wind turbine mortality: Lasiurus borealis and L. cinereus (Vespertilionidae). Molecular Ecology Resources. 14:435-436.
Olson, M.S., N. Levsen, R. Soolanayakanahally, R. Guy, W. Schroeder, S.R. Keller, and P. Tiffin. 2013. The adaptive potential of the dominant boreal forest tree Populus balsamifera L. to phenology requirements in a warmer global climate. Mol. Ecol. 22:1214-1230.
Keller, S.R., K. J. Gilbert, P. D. Fields, and D. R. Taylor. 2012. Bayesian inference of a complex invasion history revealed by nuclear and chloroplast genetic diversity in the colonizing plant, Silene latifolia. Mol. Ecol. 21:4721-4734.
Keller, S.R., N. Levsen, M.S. Olson,and P. Tiffin. 2012. Local adaptation in the flowering time genetic network of balsam poplar, Populus balsamifera L. Mol. Biol. Evol. 29:3143-3152.
Sloan, D.B., S.R. Keller, A.E. Berardi, B.J. Sanderson, J.F. Karpovich, and D.R. Taylor. 2011. De novo transcriptome assembly and polymorphism detection in the flowering plant Silene vulgaris (Caryophyllaceae). Mol. Ecol. Res. 12:333-343.
Keller, S.R., N. Levsen, P. K. Ingvarsson, M. S. Olson, and P. Tiffin. 2011. Local selection across a latitudinal gradient shapes nucleotide diversity in balsam poplar, Populus balsamifera L. Genetics.
Keller, S.R., R. Soolanayakanahally, R. Guy, S. Silim, M. Olson, and P. Tiffin. 2011. Climate-driven local adaptation in ecophysiology and phenology in balsam poplar, Populus balsamifera L. (Salicaceae). American Journal of Botany 98:99-108.
Jenkins, C.E. and S.R. Keller. 2011. A phylogenetic comparative study of preadaptation for invasiveness in the flowering plant genus Silene (Caryophyllaceae). Biological Invasions 13:1471-1486.
Keller, S.R., and D.R. Taylor. 2010. Genomic admixture increases fitness during a biological invasion. Journal of Evolutionary Biology 23:1720-1731.
Keller, S.R., M.S. Olson, S. Silim, W. Schroeder, and P. Tiffin. 2010. Genomic diversity, population structure and migration following rapid range expansion in the Balsam Poplar, Populus balsamifera. Molecular Ecology, 19:1212-1226.
— see also the ‘Perspectives’ piece in this issue of Mol. Ecol. by Martin Lascoux and Remy Petit
Fields, P.D., S.R. Keller, P.K. Ingvarsson, A. Pederson, and D.R. Taylor. 2010. Isolation and characterization of polymorphic microsatellite loci in the white campion, Silene latifolia (Caryophyllaceae). Molecular Ecology Resources, 10:232-238.
Keller, S.R., D.R. Sowell, M. Neiman, L.M. Wolfe, and D.R. Taylor. 2009. Adaptation and colonization history affect the evolution of clines in two introduced species. New Phytologist, 183:678-690.
Keller, S.R., and D.R. Taylor. 2008. History, chance, and adaptation during biological invasion: separating stochastic phenotypic evolution from response to selection. Ecology Letters, 11: 852-866.
Sloan, D.B., C.M. Barr, M.S. Olson, S.R. Keller, and D.R. Taylor. 2008. Evolutionary rate variation at multiple levels of biological organization in plant mitochondrial DNA. Molecular Biology and Evolution, 25:243-246.
Etterson, J.R., S.R. Keller, and L.F. Galloway. 2007. Epistatic and cytonuclear interactions govern outbreeding depression in the autotetraploid Campanulastrum americanum. Evolution, 61:2671-2683.
Barr, C.M., S.R. Keller, P.K. Ingvarsson, D.B. Sloan, and D.R. Taylor. 2007. Variation in mutation rate and polymorphism among mitochondrial genes of Silene vulgaris. Molecular Biology and Evolution, 24:1783-1791.
Taylor, D.R. and S.R. Keller. 2007. Historical range expansion determines the phylogenetic diversity introduced during contemporary species invasion. Evolution, 61:334-345.
Keller, S.R.and K.E. Schwaegerle. 2006. Maternal sex and mate relatedness affect offspring quality in the gynodioecious Silene acaulis. Journal of Evolutionary Biology, 19:1128-1138.