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. 2015 Oct 16;6:984. doi: 10.3389/fmicb.2015.00984

FIGURE 4.

FIGURE 4

Translocation of phosphorus (P) and carbon (C) at fungus – plant interface. Inorganic P is taken up by specialized transporters located on the fungal membrane in the extra-radical mycelium. Pi (originated in AM fungi from the hydrolysis of polyphosphate) is imported from the symbiotic interface to the plant cells through AM inducible Pi transporters (AMiPT). Hexose transporters (HT) import plant-derived carbon to the fungus, whereas transporter proteins involved in the export of nutrients from plant have not been identified yet.