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. 2016 Jul 29;7:1088. doi: 10.3389/fpls.2016.01088

FIGURE 4.

FIGURE 4

Metal transport in indeterminate nodules. (A) General overview of metal delivery and recovery to legume nodules. (B) Detail of transport process to deliver metals to symbiosomes in the nodule Zone II. Mt is used as a prefix to indicate M. truncatula proteins, Gm for G. max, and Lj for Lotus japonicus. X or MP are used to indicate an unkown metal chelator or a general metallophore, respectively. End stands for Endodermis, Per for Pericycle, Xyl for Xylem, Phl for Phloem, and Men+ for a general metal.