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Root-to-root is the interface between plant roots and soils, containing a rich microbiome, inter-roots microorganisms have an impact on crop growth and health.
study of the spatial distribution of microorganisms in the root microennial environment and the analysis of their driving factors are of great significance to clarify the process of constructing the microbiome in farmland soil and to reveal their ecological function.
In this basis, in June 2015, the Yan Haiyan Task Force of nanjing Soil Research Institute of the Chinese Academy of Sciences collected samples of the root soil of wheat fields in the North China Plain on a large scale (800,000 square kilometers) and used high-pass sequencing, bioinfossy analysis and other techniques to study the spatial distribution and driving mechanism of soil microorganisms between wheat roots.
results show that the composition of inter-root microbiome is significantly different compared with that of inter-ridge soil microorganisms, and inter-root bacteria have relatively simple but more efficient network structure.
because of the role of inter-root screening, the closer the bacterial diversity is gradually reduced, and because of the inter-root effect, the fungus still maintains a high diversity in the inter-root.
further studies have found that contemporary environmental factors play a major role in the distribution of soil microorganisms between the ridges, while geospatial distance (historical evolution factors) has a greater contribution to the distribution of inter-root microbiomes.
the study expounds the distribution law and its driving mechanism of wheat field root microorganisms in The North China Plain, reveals the efficient mode of root microbial network, and provides a theoretical basis for digging deep into the soil root microbial resources and exerting its potential function.
the results were published in Environmental Microbiology Soil, Biology and Biochemistry.
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