The genomics of adaptation to climate in European great tit (Parus major) populations
Data files
Jun 02, 2023 version files 4.31 GB
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1A_.frq.strat
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1A_.log
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1A_.nosex
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1A_col7_8.txt
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20_locs_output.txt
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4imagesPerpage_PC1.R
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anacovaux_DIC.out
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anacovaux_summary_beta_params.out
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anacovaux_summary_Pdelta.out
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anacovaux_summary_pi_xtx.out
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anapod.sh
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annotate_BF_Thresholds.txt
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annotVariant_genes.txt
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auxModel.sh
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awkGenotype.txt
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bayenv_freq.400Kpods
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BayPassOutputSummariser.r
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BayPassSums2_PC1.txt
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BayPassSums2_PC2.txt
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BayPassSums2_PC3.txt
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BayPassSums2_PC4.txt
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bedtools_closest_cmds.txt
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biomaRt_GOTerms.R
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col7_8.txt
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core.sh
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decisive_PC1_all_GTgenes.txt
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decisive_PC2_all_GTgenes.txt
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decisive_PC3_all_GTgenes.txt
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decisive_PC4_all_GTgenes.txt
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env20.txt
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extract_BF_Thresholds.txt
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G.400Kpods
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GCF_001522545.3_Parus_major1.1_genomic_Chr.gene.bed
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genotype_across_population.txt
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ggplot2_manhattan_PC1andPC2.R
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GOTerms_desc_tab.txt
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GOtoGene_PC1.txt
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GOtoGene_PC2.txt
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GOtoGene_PC3.txt
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GOtoGene_PC4.txt
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GTbaypass.R
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HapMapAll.bed
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HapMapAll.bim
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HapMapAll.fam
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HowTO_plink_1A.txt
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keep_20popn.txt
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male_female.png
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PC1_bf_ALL_genes_man_half.txt
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PC1_bfgt10_all_genes.txt
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PC1_bfgt10_rawVariantsALL.txt
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PC1_bfgt20_rawVariantsALL.txt
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PC1_genes_header.txt
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PC2_bf_ALL_genes_man_half.txt
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PC2_bfgt10_all_genes.txt
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PC2_bfgt10_rawVariantsALL.txt
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PC2_bfgt20_rawVariantsALL.txt
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PC2_genes_header.txt
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PC3_bfgt10_all_genes.txt
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PC3_genes_header.txt
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PC4_bfgt10_all_genes.txt
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PC4_genes_header.txt
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PCA_Climate.r
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pi.400Kpods
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PLINK_Chromosome_numbering.txt
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plink_z.txt
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plink.frq.strat
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plink.hh
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plink.log
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plink.sexcheck
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plink.txt
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PM_20_chr30_1A.txt
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PM_20_excl_30_35_36.bed
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PM_20_z_males_col7_8.txt
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PM_20_z_males_plink.frq.strat
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PM_20_z_males.txt
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population_order.txt
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README.md
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seed5001_anacore_DIC.out
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SNP_XtX_BF_ALL_Data.txt
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SNPSEX_maleID.txt
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TopGO.R
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variantID.txt
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wclim2_rgis.R
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XtX_aboveThreshold_numeric_genes.txt
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Z_anacore_DIC.out
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z_checkSex.R
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Abstract
The recognition that climate change is occurring at an unprecedented rate means that there is increased urgency in understanding how organisms can adapt to a changing environment. Wild great tit (Parus major) populations represent an attractive ecological model system to understand the genomics of climate adaptation. They are widely distributed across Eurasia and they have been documented to respond to climate change. We performed a Bayesian genome-environment analysis, by combining local climate data with SNP genotype data from 20 European populations (broadly spanning the species’ continental range). We found 36 unique putative climate adaptation genes that were associated with variation in climate. Following an enrichment analysis of biological process Gene Ontology (GO) terms, we identified over-represented terms and pathways among the genes putatively under selection for climate adaptation. Because many different genes and GO terms are associated with climate variables, it seems likely that climate adaptation is polygenic and genetically complex. Our findings also suggest that geographical climate adaptation has been occurring since great tits left their Southern European refugia at the end of the last ice age. Finally, we show that substantial climate-associated genetic variation remains, which will be essential for adaptation to future changes.
Usage notes
R, RStudio, text editor.