Abstract：
:The signaling molecule auxin is a central regulator of plant development, which instructs tissue and organ patterning, and couples environmental stimuli to developmental responses. Here, we discuss the function of PINOID (PID) and the phototropins, members of the plant specific AGCVIII protein kinases, and their role in triggering and regulating development by controlling PIN-FORMED (PIN) auxin transporter-generated auxin gradients and maxima. We propose that the AGCVIII kinase gene family evolved from an ancestral phototropin gene, and that the co-evolution of PID-like and PIN gene families marks the transition of plants from water to land. We hypothesize that the PID-like kinases function in parallel to, or downstream of, the phototropins to orient plant development by establishing the direction of polar auxin transport.
journal_name
Trends Plant Scijournal_title
Trends in plant scienceauthors
Galván-Ampudia CS,Offringa Rdoi
10.1016/j.tplants.2007.10.004subject
Has Abstractpub_date
2007-12-01 00:00:00pages
541-7issue
12eissn
1360-1385issn
1878-4372pii
S1360-1385(07)00275-0journal_volume
12pub_type
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