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    The Leucine-Repeat Rich Receptor-Like Kinases XIP1/CEPR1 and CEPR2 Control Lateral Root Initiation and Elongation in Arabidopsis

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    Author
    Dimitrov, Ivan D.
    Issue Date
    2018
    Advisor
    Tax, Frans E.
    
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    Publisher
    The University of Arizona.
    Rights
    Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
    Embargo
    Release after 06-June-2019
    Abstract
    Roots serve both to anchor plants in the soil, and to help plants acquire water and nutrients. Plants have to optimize the growth of their root system, as roots cost energy to expand and maintain. This is accomplished through short and long distance signaling pathways that connect environmental conditions of the roots and available energy in shoots. XIP1/CEPR1 and CEPR2 are two Leucine-Rich Repeat Receptor-Like Kinase that are important for root growth responses to differing nitrogen levels in the environment. While previous results implicated these two receptors in signaling from roots to shoots, here I have shown that they are part of a short-range pathway within roots that controls lateral root initiation. Furthermore, through the use of genetic tests I have connected a group of physically-interacting proteins to XIP1/CEPR1 and CEPR2-related phenotypes. I have shown that these receptors and interacting proteins play roles in controlling early growth, flowering time, silique maturation, and lateral root initiation, emergence and elongation.
    Type
    text
    Electronic Dissertation
    Degree Name
    Ph.D.
    Degree Level
    doctoral
    Degree Program
    Graduate College
    Molecular & Cellular Biology
    Degree Grantor
    University of Arizona
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