Local Phenomena Shape Backyard Soil Metabolite Composition
Date
2020-02-29Author
Nguyen, Tra D.
Lesani, Mahbobeh
Forrest, Ines
Lan, Yunpeng
Dean, Danya A.
Gibaut, Quentin M. R.
Guo, Yanting
Hossain, Ekram
Olvera, Marcela
Panlilio, Hannah
Parab, Adwaita R.
Wu, Chaoyi
Bernatchez, Jean A.
Cichewicz, Robert H.
McCall, Laura-Isobel
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Soil covers most of Earth’s continental surface and is fundamental to life-sustaining processes such as agriculture. Given its rich biodiversity, soil is also a major source for natural product drug discovery from soil microorganisms. However, the study of the soil small molecule profile has been challenging due to the complexity and heterogeneity of this matrix. In this study, we implemented high-resolution liquid chromatography–tandem mass spectrometry and large-scale data analysis tools such as molecular networking to characterize the relative contributions of city, state and regional processes on backyard soil metabolite composition, in 188 soil samples collected from 14 USA States, representing five USA climate regions. We observed that region, state and city of collection all influence the overall soil metabolite profile. However, many metabolites were only detected in unique sites, indicating that uniquely local phenomena also influence the backyard soil environment, with both human-derived and naturally-produced (plant-derived, microbially-derived) metabolites identified. Overall, these findings are helping to define the processes that shape the backyard soil metabolite composition, while also highlighting the need for expanded metabolomic studies of this complex environment.
Citation
Nguyen, T.D.; Lesani, M.; Forrest, I.; Lan, Y.; Dean, D.A.; Gibaut, Q.M.R.; Guo, Y.; Hossain, E.; Olvera, M.; Panlilio, H.; Parab, A.R.; Wu, C.; Bernatchez, J.A.; Cichewicz, R.H.; McCall, L.-I. 2020. Local Phenomena Shape Backyard Soil Metabolite Composition. Metabolites, 10, 86.
Sponsorship
This research was supported by start-up funds from the University of Oklahoma (to L.-I.M.).
Open Access fees paid for in whole or in part by the University of Oklahoma Libraries.
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