How Phytohormones Shape Interactions between Plants and the Soil-Borne Fungus Fusarium oxysporum

Frontiers in Plant Science
Xiaotang DiNico Tintor

Abstract

Plants interact with a huge variety of soil microbes, ranging from pathogenic to mutualistic. The Fusarium oxysporum (Fo) species complex consists of ubiquitous soil inhabiting fungi that can infect and cause disease in over 120 different plant species including tomato, banana, cotton, and Arabidopsis. However, in many cases Fo colonization remains symptomless or even has beneficial effects on plant growth and/or stress tolerance. Also in pathogenic interactions a lengthy asymptomatic phase usually precedes disease development. All this indicates a sophisticated and fine-tuned interaction between Fo and its host. The molecular mechanisms underlying this balance are poorly understood. Plant hormone signaling networks emerge as key regulators of plant-microbe interactions in general. In this review we summarize the effects of the major phytohormones on the interaction between Fo and its diverse hosts. Generally, Salicylic Acid (SA) signaling reduces plant susceptibility, whereas Jasmonic Acid (JA), Ethylene (ET), Abscisic Acid (ABA), and auxin have complex effects, and are potentially hijacked by Fo for host manipulation. Finally, we discuss how plant hormones and Fo effectors balance the interaction from beneficial to pathogenic...Continue Reading

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Citations

Nov 15, 2017·Proceedings of the National Academy of Sciences of the United States of America·Justin A NorthF Robert Tabita
Jun 4, 2019·Frontiers in Microbiology·Claudia A Ramírez-ValdespinoVianey Olmedo-Monfil
Jan 24, 2020·Frontiers in Plant Science·Delphine VincentDominique Job
Sep 29, 2018·Indian Journal of Microbiology·Piramanagayam Prema Sundara Valli, Thangavelu Muthukumar
Jan 29, 2019·Frontiers in Plant Science·Josef VrabkaVeronique Bergougnoux
Mar 3, 2020·Frontiers in Plant Science·Francisco J de Lamo, Frank L W Takken
Dec 31, 2020·Cell Host & Microbe·Christian FröschelWolfgang Dröge-Laser
Apr 4, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Francisco Hernández-AparicioM Pilar López-Gresa
Jun 22, 2021·ACS Nano·Xuesong CaoBaoshan Xing
Nov 22, 2020·Plant Science : an International Journal of Experimental Plant Biology·Rim JaberJean-Claude Mollet
Jun 25, 2021·Molecular Plant-microbe Interactions : MPMI·Yong-Soon ParkMichael V Kolomiets

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