Conference Presentations by Yousry El-kassaby
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Papers by Yousry El-kassaby
Forest trees generally show high levels of local adaptation and efforts focusing on understanding... more Forest trees generally show high levels of local adaptation and efforts focusing on understanding adaptation to climate will be crucial for species survival and management. Merging quantitative genetics and population genomics, we studied the molecular basis of climate adaptation in 433 Populus trichocarpa (black cottonwood) genotypes originating across western North America. Variation in 74 field-assessed traits (growth, ecophysiology, phenology, leaf stomata, wood, and disease resistance) was investigated for signatures of selection (comparing QST -FST) using clustering of individuals by climate of origin. 29,354 SNPs were investigated employing three different outlier detection methods. Narrow-sense QST for 53% of distinct field traits was significantly divergent from expectations of neutrality (indicating adaptive trait variation); 2,855 SNPs showed signals of diversifying selection, and of these, 118 SNPs (within 81 genes) were associated with adaptive traits (based on signific...
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New Forests, 2014
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Tree Genetics & Genomes, 2013
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Scandinavian Journal of Forest Research, 1989
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Molecular Ecology, 2012
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Forest Ecology and Management, 2001
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The Open Natural Products Journal
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Molecular Ecology, 2014
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New Phytologist, 2013
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New Phytologist, 2013
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New Phytologist, 2014
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PLoS ONE, 2014
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Forest Ecology and Management, 2014
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BMC Genomics, 2015
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Theoretical and Applied Genetics, 1988
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PLoS ONE, 2013
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PLoS ONE, 2013
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Conference Presentations by Yousry El-kassaby
Papers by Yousry El-kassaby