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Host selection shapes crop microbiome assembly and network complexity

Xiong, Chao ; Zhu, Yong‐Guan ; Wang, Jun‐Tao ; Singh, Brajesh ; Han, Li‐Li ; Shen, Ju‐Pei ; Li, Pei‐Pei ; Wang, Gui‐Bao ; Wu, Chuan‐Fa ; Ge, An‐Hui ; Zhang, Li‐Mei ; He, Ji‐Zheng

The New phytologist, 2021-01, Vol.229 (2), p.1091-1104 [Periódico revisado por pares]

England: Wiley Subscription Services, Inc

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Título:
Host selection shapes crop microbiome assembly and network complexity
Autor: Xiong, Chao ; Zhu, Yong‐Guan ; Wang, Jun‐Tao ; Singh, Brajesh ; Han, Li‐Li ; Shen, Ju‐Pei ; Li, Pei‐Pei ; Wang, Gui‐Bao ; Wu, Chuan‐Fa ; Ge, An‐Hui ; Zhang, Li‐Mei ; He, Ji‐Zheng
Assuntos: Agricultural management ; Assembly ; Bacilli ; Bacteria ; Barley ; Biological fertilization ; Biomarkers ; community assembly ; compartment niches ; Complexity ; Corn ; co‐occurrence networks ; Crop management ; Crops ; Endophytes ; Epiphytes ; Fertilization ; fertilization practices ; Hordeum vulgare ; Host selection ; Leaves ; Microbiomes ; Microbiota ; Niches ; Phylloplane ; plant microbiomes ; Plant Roots ; plant–microbe interactions ; Rhizoplane ; Rhizosphere ; Soil ; Soil fertility ; Soil Microbiology ; Soils ; soil–plant continuum ; Sustainable agriculture ; Taxa ; Tracking ; Wheat
É parte de: The New phytologist, 2021-01, Vol.229 (2), p.1091-1104
Descrição: Summary Plant microbiomes are essential to host health and productivity but the ecological processes that govern crop microbiome assembly are not fully known. Here we examined bacterial communities across 684 samples from soils (rhizosphere and bulk soil) and multiple compartment niches (rhizoplane, root endosphere, phylloplane, and leaf endosphere) in maize (Zea mays)‐wheat (Triticum aestivum)/barley (Hordeum vulgare) rotation system under different fertilization practices at two contrasting sites. Our results demonstrate that microbiome assembly along the soil‐plant continuum is shaped predominantly by compartment niche and host species rather than by site or fertilization practice. From soils to epiphytes to endophytes, host selection pressure sequentially increased and bacterial diversity and network complexity consequently reduced, with the strongest host effect in leaf endosphere. Source tracking indicates that crop microbiome is mainly derived from soils and gradually enriched and filtered at different plant compartment niches. Moreover, crop microbiomes were dominated by a few dominant taxa (c. 0.5% of bacterial phylotypes), with bacilli identified as the important biomarker taxa for wheat and barley and Methylobacteriaceae for maize. Our work provides comprehensive empirical evidence on host selection, potential sources and enrichment processes for crop microbiome assembly, and has important implications for future crop management and manipulation of crop microbiome for sustainable agriculture.
Editor: England: Wiley Subscription Services, Inc
Idioma: Inglês

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Host selection shapes crop microbiome assembly and network complexity

Xiong, Chao ; Zhu, Yong‐Guan ; Wang, Jun‐Tao ; Singh, Brajesh ; Han, Li‐Li ; Shen, Ju‐Pei ; Li, Pei‐Pei ; Wang, Gui‐Bao ; Wu, Chuan‐Fa ; Ge, An‐Hui ; Zhang, Li‐Mei ; He, Ji‐Zheng

England: Wiley Subscription Services, Inc

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