Journal
ISME JOURNAL
Volume 12, Issue 9, Pages 2335-2338Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41396-018-0188-8
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Funding
- U.S. Department of Energy (DOE), Office of Biological and Environmental Research (OBER) [DOE-FOA-0001192]
- OBER-DOE
- DOE's Mickey Leland Energy Fellowship (MLEF) Program
- National Science Foundation Plant Genome Program [1734145]
- University of Missouri's Gus. T. Ridgel Fellowship
- George Washington Carver Fellowship
- Division Of Integrative Organismal Systems
- Direct For Biological Sciences [1734145] Funding Source: National Science Foundation
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In this study, the three-dimensional spatial distributions of a number of metabolites involved in regulating symbiosis and biological nitrogen fixation (BNF) within soybean root nodules were revealed using matrix-assisted laser desorption/ionization mass spectrometry imaging (MALDI-MSI). While many metabolites exhibited distinct spatial compartmentalization, some metabolites were asymmetrically distributed throughout the nodule (e.g., S-adenosylmethionine). These results establish a more complex metabolic view of plant-bacteria symbiosis (and BNF) within soybean nodules than previously hypothesized. Collectively these findings suggest that spatial perspectives in metabolic regulation should be considered to unravel the overall complexity of interacting organisms, like those relating to associations of nitrogen-fixing bacteria with host plants.
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