Arbuscular mycorrhizal colonization leads to a change of hormone profile in micropropagated plantlet Satureja khuzistanica Jam

Copyright © 2022 Elsevier GmbH. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Journal of plant physiology. - 1979. - 280(2023) vom: 04. Jan., Seite 153879
1. Verfasser: Mirjani, Leila (VerfasserIn)
Weitere Verfasser: Salimi, Azam, Shahbazi, Maryam, Hajirezaei, Mohammad-Reza, Matinizadeh, Mohammad, Razavi, Khadijeh, Hesamzadeh Hejazi, Seyed Mohsen
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Journal of plant physiology
Schlagworte:Journal Article Acclimatization Allene oxide synthase Phytohormones Rhizoglomus fasciculatum and Satureja khuzistanica jasmonic acid 6RI5N05OWW Zeatin 7I6OOJ9GR6 Isoleucine mehr... 04Y7590D77 Plant Growth Regulators Abscisic Acid 72S9A8J5GW Hormones
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520 |a Phytohormones are supposed to contribute to the establishment of mutualistic Arbuscular mycorrhiza (AM) symbioses. However, their role in the acclimation of micropropagated plantlet inoculated with AM is still unknown. To address this question, we performed a hormone profiling during the acclimation of Satureja khuzistanica plantlets inoculated with Rhizoglomus fasciculatum. The levels of indoleacetic acid (IAA), methyl indole acetic acid, cis-zeatin, cis zeatin ribose, jasmonate, jasmonoyl isoleucine, salicylic acid, abscisic acid (ABA) were analyzed. Further, the relative gene expression of AOS (Allene oxide synthase) as a key enzyme of jasmonate biosynthesis, in either inoculated or non-inoculated micropropagated plantlets was evaluated during acclimation period. The concentrations of IAA and cis-zeatin increased in the plantlets inoculated by AM whereas the concentration of ABA decreased upon 60 days acclimation in the whole shoot of plantlets of S. khuzistanica. The relative expression of AOS gene resulted in an increase of isoleucine jasmonate, the bioactive form of jasmonate. Based on our results, IAA and cis-zeatin probably contribute to maintaining growth, and AM reduces transition stress by modifying ABA and jasmonate concentrations 
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650 4 |a Phytohormones 
650 4 |a Rhizoglomus fasciculatum and Satureja khuzistanica 
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700 1 |a Salimi, Azam  |e verfasserin  |4 aut 
700 1 |a Shahbazi, Maryam  |e verfasserin  |4 aut 
700 1 |a Hajirezaei, Mohammad-Reza  |e verfasserin  |4 aut 
700 1 |a Matinizadeh, Mohammad  |e verfasserin  |4 aut 
700 1 |a Razavi, Khadijeh  |e verfasserin  |4 aut 
700 1 |a Hesamzadeh Hejazi, Seyed Mohsen  |e verfasserin  |4 aut 
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856 4 0 |u http://dx.doi.org/10.1016/j.jplph.2022.153879  |3 Volltext 
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