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A Workflow for the Quantitative Assessment of the Endophytic and Epiphytic Bacterial Microbiomes of the Bark of Populus trichocarpa
Published on: June 27, 2025
[Effects of manure application on the diversity of corn root endophytic bacterial communities at seedling stage in
Jiang Yu1,2, Zhen Hua Yu1, Makoto Ikenaga3
1Key Laboratory of Mollisols Agroecology, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Harbin 150081, China.
Abstract:
In order to investigate the change of root endophytic bacterial communities under soil erosion condition, and to evaluate the response of root endophytic bacteria to manure fertilizer, we adopted the LNA-PCR clamping and 454 bar-coded pyrosequencing methods to study the corn root endophytic bacterial communities under 30 cm topsoil erosion and manure fertilization conditions. No topsoil removing (0 cm) and only chemical fertilizer treatment were used as control. A total of 37820 valid sequences of 16S rDNA were obtained, mainly distributed in 4 phyla, 35 classes, 214 genera and 782 OTUs. The dominant phyla were Proteobacteria, Firmicutes, Actinobacteria and Bacteroidetes, but their proportions varied in different samples. The diversity of corn root endophytic bacteria decreased in soil erosion condition. In the topsoil removing soil and no erosion soil, the diversity of corn root endophytic bacterial communities increased by manure application, and the effect was more obvious in the topsoil removing soil.
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