Quantifying the relative roles of selective and neutral processes in defining eukaryotic microbial communities

The ISME Journal
Peter Morrison-Whittle, Matthew R Goddard

Abstract

We have a limited understanding of the relative contributions of different processes that regulate microbial communities, which are crucial components of both natural and agricultural ecosystems. The contributions of selective and neutral processes in defining community composition are often confounded in field studies because as one moves through space, environments also change. Managed ecosystems provide an excellent opportunity to control for this and evaluate the relative strength of these processes by minimising differences between comparable niches separated at different geographic scales. We use next-generation sequencing to characterize the variance in fungal communities inhabiting adjacent fruit, soil and bark in comparable vineyards across 1000 kms in New Zealand. By compartmentalizing community variation, we reveal that niche explains at least four times more community variance than geographic location. We go beyond merely demonstrating that different communities are found in both different niches and locations by quantifying the forces that define these patterns. Overall, selection unsurprisingly predominantly shapes these microbial communities, but we show the balance of neutral processes also have a significant ro...Continue Reading

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Citations

Jan 19, 2016·Microbial Biotechnology·Irene StefaniniDuccio Cavalieri
Apr 6, 2016·Current Biology : CB·Matthew R Goddard
Nov 5, 2016·Yeast·Cristian Varela, Anthony R Borneman
Sep 12, 2017·Environmental Microbiology Reports·Toshiko MiuraOlga Barbosa
Jul 15, 2018·Applied and Environmental Microbiology·Huajun ZhangXiangyu Zhu
Oct 13, 2017·Microbiology and Molecular Biology Reviews : MMBR·Jizhong Zhou, Daliang Ning
Oct 21, 2017·Environmental Microbiology·Peter Morrison-Whittle, Matthew R Goddard
Jun 26, 2020·Frontiers in Microbiology·Aman S GillKrista L McGuire
Jul 21, 2020·Evolutionary Applications·Nicolas Derome, Marie Filteau
May 20, 2017·Frontiers in Microbiology·José M Guillamón, Eladio Barrio
Oct 1, 2020·Environmental Microbiology·Chao XiongLi-Mei Zhang
Jan 28, 2020·Trends in Plant Science·Pauline BettenfeldPierre-Emmanuel Courty
May 1, 2021·Frontiers in Microbiology·Reid G GriggsNicholas A Bokulich

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