Elsbeth Walker, Ahmed Ali, Rakesh Krishna Kumar, Miriam Hernandez Romero, Maura Zimmermann, Gurpal Singh, Rebecca Brennan, David Chan-Rodriguez, Stavroula Fili, Erin Patterson, and Ahmet Bakirbas reviewed Medicago truncatulaZinc-Iron Permease6 provides zinc to rhizobia-infected nodule cells Plant Science Review published January 24, 2017 Preprint server bioRxiv