Ng, Liang; Hassan, Samira; Truong, Thy; Hocart, Charles; Laffont, Carole; Frugier, Florian; Mathesius, Ulrike
Initiation of symbiotic nodules in legumes requires cytokinin signaling, but its mechanism of action is largely unknown. Here, we tested whether the failure to initiate nodules in the Medicago truncatula cytokinin perception mutant crel (cytokinin responsel) is due to its altered ability to regulate auxin transport, auxin accumulation, and induction of flavonoids. We found that in the crel mutant, symbiotic rhizobia cannot locally alter acro- and basipetal auxin transport during nodule...[Show more]
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