Non-mycorrhizal plants: The exceptions that prove the rule

Marco Cosme; Ivan Fernández; Marcel G A Van der Heijden; Corné M J Pieterse

doi:10.1016/j.tplants.2018.04.004

Non-mycorrhizal plants: The exceptions that prove the rule

Marco Cosme, Ivan Fernández, Marcel G A Van der Heijden, Corné M J Pieterse

Plant-Microbe Interactions, Department of Biology, Science4Life, Utrecht University, PO Box 800.56, 3508 TB Utrecht, The Netherlands. Electronic address: [email protected].
Plant-Microbe Interactions, Department of Biology, Science4Life, Utrecht University, PO Box 800.56, 3508 TB Utrecht, The Netherlands.
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Abstract

The widespread symbiotic interaction between plants and arbuscular mycorrhizal (AM) fungi relies on a complex molecular dialog with reciprocal benefits in terms of nutrition, growth, and protection. Approximately 29% of all vascular plant species do not host AM symbiosis, including major crops. Under certain conditions, however, presumed non-host plants can become colonized by AM fungi and develop rudimentary AM (RAM) phenotypes. Here we zoom in on the mustard family (Brassicaceae), which harbors AM hosts, non-hosts, and presumed non-host species such as Arabidopsis thaliana, for which conditional RAM colonization has been described. We advocate that RAM phenotypes and redundant genomic elements of the symbiotic 'toolkit' are missing links that can help to unravel genetic constraints that drive the evolution of symbiotic incompatibility.

Original language	English
Pages (from-to)	577-587
Number of pages	11
Journal	Trends in Plant Science
Volume	23
Issue number	7
DOIs	https://doi.org/10.1016/j.tplants.2018.04.004
Publication status	Published - 1 Jul 2018

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title = "Non-mycorrhizal plants: The exceptions that prove the rule",

abstract = "The widespread symbiotic interaction between plants and arbuscular mycorrhizal (AM) fungi relies on a complex molecular dialog with reciprocal benefits in terms of nutrition, growth, and protection. Approximately 29% of all vascular plant species do not host AM symbiosis, including major crops. Under certain conditions, however, presumed non-host plants can become colonized by AM fungi and develop rudimentary AM (RAM) phenotypes. Here we zoom in on the mustard family (Brassicaceae), which harbors AM hosts, non-hosts, and presumed non-host species such as Arabidopsis thaliana, for which conditional RAM colonization has been described. We advocate that RAM phenotypes and redundant genomic elements of the symbiotic 'toolkit' are missing links that can help to unravel genetic constraints that drive the evolution of symbiotic incompatibility.",

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AU - Cosme, Marco

AU - Fernández, Ivan

AU - Van der Heijden, Marcel G A

AU - Pieterse, Corné M J

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AB - The widespread symbiotic interaction between plants and arbuscular mycorrhizal (AM) fungi relies on a complex molecular dialog with reciprocal benefits in terms of nutrition, growth, and protection. Approximately 29% of all vascular plant species do not host AM symbiosis, including major crops. Under certain conditions, however, presumed non-host plants can become colonized by AM fungi and develop rudimentary AM (RAM) phenotypes. Here we zoom in on the mustard family (Brassicaceae), which harbors AM hosts, non-hosts, and presumed non-host species such as Arabidopsis thaliana, for which conditional RAM colonization has been described. We advocate that RAM phenotypes and redundant genomic elements of the symbiotic 'toolkit' are missing links that can help to unravel genetic constraints that drive the evolution of symbiotic incompatibility.

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DO - 10.1016/j.tplants.2018.04.004

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Non-mycorrhizal plants: The exceptions that prove the rule

Abstract

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