Piriformospora indica-induced phytohormone changes and root colonization strategies are highly host-specific

Piriformospora indica, an endophytic fungus of Sebacinales, has a wide host range and promotes the performance of mono- and eudicot plants. Here, we compare the interaction of P. indica with the roots of seven host plants (Anthurium andraeanum, Arabidopsis thaliana, Brassica campestris, Lycopersicon...

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Bibliographic Details
Published in:Plant signaling & behavior 2019-09, Vol.14 (9), p.1632688
Main Authors: Liu, Huichun, Senthilkumar, Rajendran, Ma, Guangying, Zou, Qingcheng, Zhu, Kaiyuan, Shen, Xiaolan, Tian, Danqing, Hua, Moda Sang, Oelmüller, Ralf, Yeh, Kai Wun
Format: Article
Language:English
Subjects:
Basidiomycota - drug effects
Basidiomycota - physiology
Biosynthetic Pathways - drug effects
Biosynthetic Pathways - genetics
Cyclopentanes - metabolism
ethylene
Ethylenes - metabolism
Gene Expression Regulation, Plant - drug effects
gibberellin
Gibberellins - metabolism
Host Specificity - drug effects
Host-Pathogen Interactions - drug effects
Host-Pathogen Interactions - genetics
jasmonate
Oxylipins - metabolism
phytohormone
Piriformospora indica
Plant Growth Regulators - pharmacology
Plant Roots - cytology
Plant Roots - drug effects
Plant Roots - microbiology
Plants - drug effects
Plants - genetics
Plants - microbiology
Research Paper
symbiosis
Time Factors
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Summary:Piriformospora indica, an endophytic fungus of Sebacinales, has a wide host range and promotes the performance of mono- and eudicot plants. Here, we compare the interaction of P. indica with the roots of seven host plants (Anthurium andraeanum, Arabidopsis thaliana, Brassica campestris, Lycopersicon esculentum, Oncidium orchid, Oryza sativa, and Zea mays). Microscopical analyses showed that the colonization time and the mode of hyphal invasion into the roots differ in the symbiotic interactions. Substantial differences between the species were also observed for the levels and accumulation of jasmonate (JA) and gibberellin (GA) and the transcript levels for genes involved in their syntheses. No obvious correlation could be detected between the endogenous JA and/or GA levels and the time point of root colonization in a given plant species. Our results suggest that root colonization strategies and changes in the two phytohormone levels are highly host-specific.
ISSN:1559-2316
1559-2324
1559-2324
DOI:10.1080/15592324.2019.1632688