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    Involvement of Beneficial Microbe-derived Cyclodipeptides (CDPs) in Promoting Plant Tolerance to Abiotic Stresses

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    Name:
    Master Thesis_Fatimah Abdulhakim_Final.pdf
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    3.058Mb
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    PDF
    Description:
    MS Thesis
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    Type
    Thesis
    Authors
    abdulhakim, fatimah cc
    Advisors
    Hirt, Heribert cc
    Committee members
    Merzaban, Jasmeen cc
    Al-Babili, Salim cc
    Saad, Maged M.
    Abulfaraj, Alaa
    Program
    Plant Science
    KAUST Department
    Biological and Environmental Science and Engineering (BESE) Division
    Date
    2020-07
    Embargo End Date
    2020-07-23
    Permanent link to this record
    http://hdl.handle.net/10754/664387
    
    Metadata
    Show full item record
    Access Restrictions
    At the time of archiving, the student author of this thesis opted to temporarily restrict access to it. The full text of this thesis became available to the public after the expiration of the embargo on 2020-07-23.
    Abstract
    Cyclodipeptides (CDPs) are the smallest, most stable cyclic peptides that are synthesized as secondary metabolites by bacteria. The aim of this study was to investigate the effect of the Pseudomonas argentinensis (SA190) and four (CDPs), named as cis-cyclo-(Pro-Phe) (Cyclo2), cis-cyclo-(Pro-Leu) (Cyclo3), cis-cyclo-(Pro-Tyr) (Cyclo4) and cis-cyclo-(Pro-Val) (Cyclo5), with three concentrations (1µM, 100nM, and 10nM), on the growth of Arabidopsis thaliana under normal plant growth conditions [1/2MS media], salt conditions [125 mM NaCl] and drought conditions [25% PEG]. Moreover, we determined the most effective CDPs with optimal concentration. It was found that cis-cyclo-(Pro-Tyr) (Cyclo4) at a concentration of 100nM had an effect on the plant growth and can mimic the effect of SA190 under normal [1/2MS media] conditions. Also, cis-cyclo-(Pro-Tyr) (Cyclo4) at a concentration of 1µM can mimic the effect of SA190 under salt conditions [125mM NaCl]. Finally, cis-cyclo-(Pro-Val) (Cyclo5) at a concentration of 1µM can mimic the effect of SA190 under drought conditions [25% PEG].
    Citation
    Abdulhakim, F. (2020). Involvement of Beneficial Microbe-derived Cyclodipeptides (CDPs) in Promoting Plant Tolerance to Abiotic Stresses. KAUST Research Repository. https://doi.org/10.25781/KAUST-G0A22
    DOI
    10.25781/KAUST-G0A22
    ae974a485f413a2113503eed53cd6c53
    10.25781/KAUST-G0A22
    Scopus Count
    Collections
    Biological and Environmental Science and Engineering (BESE) Division; MS Theses; Plant Science Program

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