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. 2015 Jul 17;66(17):5271–5287. doi: 10.1093/jxb/erv351

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© The Author 2015. Published by Oxford University Press on behalf of the Society for Experimental Biology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 7. — TDIF genes in soybean, common bean, Arabidopsis, Zinnia elegans, and M. truncatula. (A) Genomic environments of the TDIF-encoding genes highlight the genetic synteny between the genes identified here in soybean, common bean, and M. truncatula with previously characterized TDIF genes of A. thaliana, AtCLE41, AtCLE42, and AtCLE44. TDIF-encoding genes are shown positioned centrally and shaded in grey. Species and chromosome number are indicated to the left of each genomic segment. Surrounding genes similar in putative function are indicated by the same colour and genes with unrelated putative functions are uncoloured. The direction of the arrow represents the orientation of the gene compared with that of the CLE gene. A high level of genetic synteny is shown here for each of the predicted TDIF-encoding genes, but was not found for AtCLE46 and GmCLE13 (data not shown), whose CLE domain begins with a histidine residue but is not a TDIF peptide. (B) Phylogenetic tree of TDIF-encoding pre-propeptides, including ZeTDIF, and also AtCLV3 as an outgroup. Two pre-propeptides, AtCLE46 and GmCLE13, are also included that have CLE domains beginning with a histidine residue, but are not true TDIF CLE peptides and did not group with the TDIF pre-propeptides. The tree is shown with bootstrap confidence values expressed as a percentage from 1000 bootstrap replications.