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. 2010 Nov 11;6(11):e1001193. doi: 10.1371/journal.pgen.1001193

Figure 1. A coastal/saline soil cline in leaf Na+ accumulation in A. thaliana driven by natural variation at the AtHKT1;1 locus.

Figure 1

A. Map showing the geographical position for the collection site of 300 accessions of A. thaliana. The genotype at Chr4:6392276 of each accession is represented by the type of symbol (red triangle Chr4:6392276 = T, blue circle Chr4:6392276 = C). Leaf Na+ accumulation of each accession, measured in a common garden experiment, is represented by the size of the symbols. Known areas of saline soils were obtained from Tóth et al., [23] and are represented here in green. B. Leaf Na+ accumulation in 300 accessions of A. thaliana, measured in a common garden experiment, and its relationship with the distance to the collection site of each accession to the coast or known saline soils (whichever is the smallest). Red symbols genotype at Chr4:6392276 = T, blue symbols genotype at Chr4:6392276 = C. Dashed black line represents the average leaf Na+ for the Col-0 accession.