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A novel Ca2+-binding protein that can rapidly transduce auxin responses during root growth

Hazak, Ora ; Mamon, Elad ; Lavy, Meirav ; Sternberg, Hasana ; Behera, Smrutisanjita ; Schmitz-Thom, Ina ; Bloch, Daria ; Dementiev, Olga ; Gutman, Itay ; Danziger, Tomer ; Schwarz, Netanel ; Abuzeineh, Anas ; Mockaitis, Keithanne ; Estelle, Mark ; Hirsch, Joel A. ; Kudla, Jörg ; Yalovsky, Shaul

In: PLOS Biology, 2019, vol. 17, no. 7, p. e3000085

Signaling cross talks between auxin, a regulator of plant development, and Ca2+, a universal second messenger, have been proposed to modulate developmental plasticity in plants. However, the underlying molecular mechanisms are largely unknown. Here, we report that in Arabidopsis roots, auxin elicits specific Ca2+ signaling patterns that spatially coincide with the expression pattern of...