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. 2019 Sep 18;10(9):722. doi: 10.3390/genes10090722

Figure 2.

Figure 2

Basic information of the SWEET genes in the Arabidopsis thaliana and Brassica rapa genome. (A) Assignment of the SWEET genes to the chromosomes and 24 gene blocks (GBs) of thaliana and B. rapa; (B) SWEETs numbers on the inferred ancestral crucifer karyotype; (C) gene frequencies of retained homologous copies in the syntenic region; and (D) three sub-genomes with SWEETs in B. rapa. The red box labeled gene pairs in (A) expanded by tandem duplication and the fractionation of SWEETs homologs in different sub-genome are listed in Table S3. Different colored lines indicate the orthologous SWEETs (green for single copy, blue for two copies, and black for three copies) between A. thaliana and B. rapa.