Signaling and Transport of Auxin and Plant Development
The past decades have seen tremendous progress in our understanding of the role of polar auxin transport (PAT) in diverse plant developmental processes and growth responses to biotic and abiotic signals. These studies have been made possible by the advanced molecular and genetic tools developed in the model plant, Arabidopsis thaliana. As other model genetic organisms have been developed, the regulatory mechanisms of polar auxin transport in plant development have been investigated in other plant lineages with interesting biological processes. This chapter reviews the current progress in understanding of the role and the mechanisms of PAT in several model species.
KeywordsShoot Apical Meristem Auxin Transport Leaf Primordia Polar Auxin Transport KNOX1 Gene
Amino acid and transcript sequences discussed in this chapter can be found in the NCBI GenBank under the following accession numbers: MtPIN1 (AY115836), MtPIN2 (AY115837), MtPIN3 (AY115838), MtPIN4 (AY115839), MtPIN5 (AY115840), MtPIN6 (AY553209), MtPIN7 (AY553210), MtPIN8 (BK005119), MtPIN9 (AY553211), MtPIN10 (AY553212), MtPIN11 (KC344363), GmPIN1a (KC344367), GmPIN1b (KC344371), GmPIN2a (KC344375), GmPIN2b (KC344379), GmPIN3a (KC344368), GmPIN3b (KC344384), GmPIN4a (KC344366), GmPIN4b (KC344372), GmPIN5 (KC344369), GmPIN6a (KC344376), GmPIN6b (KC344377), GmPIN7a (KC344378), GmPIN7b (KC344370), GmPIN8a (KC344373), GmPIN8b (KC344382), GmPIN9a (KC344374), GmPIN9b (KC344381), GmPIN10a (KC344383), GmPIN10b (KC344364), GmPIN11a (KC344365), and GmPIN11b (KC344380).
AcknowledgmentsThis work was funded in part by an Oklahoma Center for Advancement of Science and Technology (OCAST) grant and the Samuel Roberts Noble Foundation.
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