Journal Article

Commonalities and Differences in Controlling Multipartite Intracellular Infections of Legume Roots by Symbiotic Microbes

Beatrice Lace and Thomas Ott

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 59, issue 4, pages 661-672
Published in print April 2018 | ISSN: 0032-0781
Published online February 2018 | e-ISSN: 1471-9053 | DOI: https://dx.doi.org/10.1093/pcp/pcy043
Commonalities and Differences in Controlling Multipartite Intracellular Infections of Legume Roots by Symbiotic Microbes

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Abstract

Legumes have the almost unique ability to establish symbiotic associations with rhizobia and arbuscular mycorrhizal fungi. Forward and reverse genetics have identified a large number of genes that are required for either or both interactions. However, and in sharp contrast to natural soils, these interactions have been almost exclusively investigated under laboratory conditions by using separate inoculation systems, whereas both symbionts are simultaneously present in the field. Considering our recent understanding of the individual symbioses, the community is now promisingly positioned to co-inoculate plants with two or more microbes in order to understand mechanistically how legumes efficiently balance, regulate and potentially separate these symbioses and other endophytic microbes within the same root. Here, we discuss a number of key control layers that should be considered when assessing tri- or multipartite beneficial interactions and that may contribute to colonization patterns in legume roots.

Keywords: Arbuscular mycorrhiza; Infection; Legume; Organogenesis; Root nodule symbiosis; Signaling

Journal Article.  9994 words.  Illustrated.

Subjects: Molecular Biology and Genetics ; Biotechnology ; Biochemistry ; Bioinformatics and Computational Biology ; Molecular and Cell Biology ; Plant Sciences and Forestry ; Plant Physiology

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