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Comparative Analysis on Rhizosphere Soil and Endophytic Microbial Communities of Two Cultivars of Cyperus esculentus L. Var. Sativus

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Abstract

Microbial communities in rhizosphere and endosphere play a pivotal role in plant ecosystems. However, the microbial diversity and community composition of different compartments from Cyperus esculentus L. var. Sativus (C. esculentus L.) remain largely unknown. Four plant compartments were collected at two cultivars from C. esculentus L. and the 16 s rRNA and ITS amplicon sequencing was employed for revealing the microbiomes related to diverse plant compartments. The results indicated that the effect of cultivars on bacterial and fungal abundance was not significant, except for “Round grain stem” and “Long grain stem” samples. The bacterial and fungal α-diversity within “Rhizosphere soil” showed significant differences compared with additional plant compartments. The result of principal coordinate analysis (PCoA) showed that both bacterial and fungal compositions were obviously affected by plant compartments. Gammaproteobacteria and Dothideomycetes abundance of “Stem” was the highest among other plant compartments and bulk soil, whereas Actinobacteria and Sordariomycetes showed the lowest abundance. Thermoleophilia, Pezizomycetes, and Chytridiomycetes were significantly enriched in “Rhizosphere soil.” “Root” had higher relative abundance of Alphaproteobacteria and Agaricomycetes, whereas Tremellomycetes were significantly decreased. Bacteroidia and Agaricomycetes were significantly enriched in “Seed.” Finally, the functional features of bacterial and fungal communities associated with plant compartments of C. esculentus L. were determined. Findings in the present work shed light on the composition and function of microorganisms in different compartments of C. esculentus L. As such, it provided a basis for further studying the interaction mechanism between microbial community and plants.

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Funding

This study was supported by the Shanghai Agriculture Applied Technology Development Program (Grant No. 2020–2-1), the National Natural Science Foundation of China (31801511), the Shanghai Agricultural Science and Technology Innovation Action Plan No. 21N31900800, the Shanghai Natural Science Foundation (No. 19ZR1436800), the Shanghai Sailing Program (No. 20YF1443000), the Technology Support Project (No. KJZC202008), the Shanghai Fresh Corn Technology System Project (No. 10 2017), and the SAAS Program for Excellent Research Team (No. 2022 (016)) for financial support to this study.

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Correspondence to Yanna Huang or Xueming Tang.

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The authors declare no competing interests.

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Wang, S., Wang, J., Zhou, Y. et al. Comparative Analysis on Rhizosphere Soil and Endophytic Microbial Communities of Two Cultivars of Cyperus esculentus L. Var. Sativus. J Soil Sci Plant Nutr 22, 2156–2168 (2022). https://doi.org/10.1007/s42729-022-00800-4

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  • DOI: https://doi.org/10.1007/s42729-022-00800-4

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