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. 2017 Feb 2;7:41457. doi: 10.1038/srep41457

Figure 4. Syntenic analysis of 18 linkage groups suggests paleotetraploidy in H. brasiliensis.

Figure 4

(A) Syntenic relationship of gene blocks among rubber tree linkage groups is illustrated with CIRCOS plots. A large circle displays 1:1 synteny between five duplicated pairs of linkage groups while two smaller circles indicate linkage groups that share syntenic regions with two other linkage groups. Lines are coloured by the paralogous regions. (B) Diagrams showing genetic colinearity between H. brasiliensis and M. esculenta. Lines link the position of orthologous gene sets with the line colour representing each linkage group/chromosome set. Rubber tree linkage groups are designated with “Hb” followed by the linkage group numbers, and cassava chromosomes are designated with “Me” followed by the chromosome numbers.