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    Plant Apocarotenoids: From Retrograde Signaling to Interspecific Communication.

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    Name:
    tpj.15102.pdf
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    77.25Mb
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    PDF
    Description:
    Accepted Article
    Embargo End Date:
    2021-12-01
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    Type
    Article
    Authors
    Moreno, Juan C cc
    Mi, Jianing cc
    Alagoz, Yagiz
    Al-Babili, Salim cc
    KAUST Department
    King Abdullah University of Science and Technology, Division of Biological and Environmental Sciences and Engineering, Center for Desert Agriculture, the BioActives Lab Thuwal 23955-6900 Kingdom of Saudi Arabia
    Biological and Environmental Sciences and Engineering (BESE) Division
    Plant Science
    Desert Agriculture Initiative
    Date
    2020-12-01
    Embargo End Date
    2021-12-01
    Submitted Date
    2020-11-30
    Permanent link to this record
    http://hdl.handle.net/10754/666263
    
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    Abstract
    Carotenoids are isoprenoid compounds synthesized by all photosynthetic and some non-photosynthetic organisms. They are essential for photosynthesis and contribute to many other aspects of a plant's life. The oxidative breakdown of carotenoids gives rise to the formation of a diverse family of essential metabolites called apocarotenoids. This metabolic process either takes place spontaneously through reactive oxygen species (ROS) or is catalyzed by enzymes generally belonging to the carotenoid cleavage dioxygenase (CCD) family. Apocarotenoids include the phytohormones abscisic acid (ABA) and strigolactones (SLs), signaling molecules, and growth regulators. ABA and SLs are vital in regulating plant growth, development, and stress response. SLs are also an essential component in plants'rhizospheric communication with symbionts and parasites. Other apocarotenoid small molecules, such as blumenols, mycorradicins, zaxinone, anchorene, β-cyclocitral, β-cyclogeranic acid, β-ionone, and loliolide, are involved in plant growth and development, and/or contribute to different processes, including arbuscular mycorrhiza (AM) symbiosis, abiotic stress response, plant-plant and plant-herbivore interactions, and plastid retrograde signaling. There are also indications for the presence of structurally unidentifiedlinearcis-carotene-derived apocarotenoids (LCDAs), which are presumed to modulateplastid biogenesis and leaf morphology, among other developmental processes. Here, we provide an overview on the biology of old, recently discovered, and supposed plant apocarotenoid signaling molecules, describing their biosynthesis, developmental and physiological functions, and role as a messenger in plants' communication.
    Citation
    Moreno, J. C., Mi, J., Alagoz, Y., & Al-Babili, S. (2020). Plant Apocarotenoids: From Retrograde Signaling to Interspecific Communication. The Plant Journal. doi:10.1111/tpj.15102
    Publisher
    Wiley
    Journal
    The Plant journal : for cell and molecular biology
    DOI
    10.1111/tpj.15102
    PubMed ID
    33258195
    Additional Links
    https://onlinelibrary.wiley.com/doi/10.1111/tpj.15102
    ae974a485f413a2113503eed53cd6c53
    10.1111/tpj.15102
    Scopus Count
    Collections
    Articles; Biological and Environmental Sciences and Engineering (BESE) Division; Desert Agriculture Initiative

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