Characterization of the PIN Auxin Efflux Carrier Gene Family and Its Expression during Zygotic Embryogenesis in <i>Persea americana</i>
Zurisadai Monroy-González | Miguel A. Uc-Chuc | Ana O. Quintana-Escobar | Fátima Duarte-Aké | Víctor M. Loyola-Vargas
Auxins are responsible for a large part of the plant development process. To exert their action, they must move throughout the plant and from cell to cell, which is why plants have developed complex transport systems for indole-3-acetic acid (IAA). These transporters involve proteins that transport IAA into cells, transporters that move IAA to or from different organelles, mainly the endoplasmic reticulum, and transporters that move IAA out of the cell. This research determined that <i>Persea americana</i> has 12 PIN transporters in its genome. The twelve transporters are expressed during different stages of development in <i>P. americana</i> zygotic embryos. Using different bioinformatics tools, we determined the type of transporter of each of the <i>P. americana</i> PIN proteins and their structure and possible location in the cell. We also predict the potential phosphorylation sites for each of the twelve-PIN proteins. The data show the presence of highly conserved sites for phosphorylation and those sites involved in the interaction with the IAA.
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