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The genome assemblies and annotations of A. hypogaea cv. Tifrunner, A. duranensis and A. ipaensis are available at PeanutBase (https://peanutbase.org/peanut_genome) and at NCBI (GenBank accession numbers CM009801–CM009820). The genome of A. ipaensis is available at PeanutBase and in GenBank under assembly accession GCA_000816755.1. The genome assembly of A. hypogaea cv. Shitouqi is available at GenBank under accession number PRJNA480120.
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The authors declare no competing interests.
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Extended Data Fig. 1 Frequency curve for SNP densities, in 100,000 bp blocks between Arachis ipaensis and the B subgenome of A. hypogaea.
Extended Data Figure 1. Frequency curve for SNP densities, in 100,000 bp blocks between Arachis ipaensis and the B subgenome of A. hypogaea. The alignments covered more then 96% of the genomes.
Extended Data Fig. 2 Visualizations of divergence between the A genomes of diploid and tetraploid Arachis.
Extended Data Figure 2. Visualizations of divergence between the A genomes of diploid and tetraploid Arachis. Frequencies of DNA divergencies (in 10,000 bp tiles) between A. duranensis and the A. hypogaea A subgenomes (cultivars Tifrunner and Shitouqi; a and b respectively). Modal divergences are ~2.5 differences per 1,000 bp respectively. Dot plots using 400 bp (=1,000/2.5) word lengths of A. duranensis chromosome A01 with the homologous chromosomes of A. hypogaea (cultivars Tifrunner and Shitouqi; c and d respectively). The diagonal lines, formed from dots indicating identical spans of 400 bp, run through evolutionarily dynamic pericentromeric regions. (also see Extended Data Figure 3).
Extended Data Fig. 3 Intraspecific chromosome comparisons using dot plots of two common bean varieties.
Extended Data Figure 3. Intraspecific chromosome comparisons using dot plots of two common bean varieties (Phaseolous vulgaris, one Andean, one MesoAmerican chromosomes 1 used for plots). These dot plots are intended to give the reader a basis for comparison of the interspecific Arachis plots (Figure 1 main manuscript and Extended Data Figure 2) which use the same word lengths (a, 400 bp ; b 4,000 bp). (b) The almost complete absence of signal shows there are almost no spans of identity of 4,000 bp between the chromosomes.
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Bertioli, D.J., Abernathy, B., Seijo, G. et al. Evaluating two different models of peanut’s origin. Nat Genet 52, 557–559 (2020). https://doi.org/10.1038/s41588-020-0626-1
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