Structure and Function of Bacterial Microbiota in Eucommia ulmoides Bark
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Structure and Function of Bacterial Microbiota in Eucommia ulmoides Bark Chunbo Dong1 · Ting Yao2 · Zhiyuan Zhang1 · Wanhao Chen3 · Jiangdong Liang3 · Yanfeng Han1 · Jianzhong Huang4 · Sunil K. Deshmukh5 · Zongqi Liang1 Received: 8 January 2020 / Accepted: 30 July 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract The study aimed to explore the bacterial community composition and the functions of core microbiota in Eucommia ulmoides bark. The bark samples of E. ulmoides were collected from Wangcang Sichuan Province, Cili Hunan Province, and Zunyi Guizhou Province, in China, respectively. Through the high-throughput sequencing methods and techniques, the community composition, core microbiota, and function of the bacteria were studied. The bacterial community of E. ulmoides bark consisted of 9 phyla, 11 classes, 22 orders, 28 families, 31 genera, and 37 OTUs. At the genus level, the dominant genus was the unclassified bacteria of Cyanobacteria, with a relative abundance of 97.01%. The bacterial communities of E. ulmoides bark from different areas have their unique units except for the common microbiota. The core microbiota of bacteria included an unclassified genus of Cyanobacteria, an unclassified genus of Mitochondria, Pseudomonas, Sphingobium, Rhizobium, Novosphingobium, Enterobacter, Rhodococcus, Curtobacterium, and Ralstonia. FAPROTAX function prediction suggested that the core microbiota has a substantial potential for photoautotrophy, phototrophy, aerobic chemoheterotrophy, chemoheterotrophy. Ten taxa composed the core microbiota, and the majority of them were related to the pharmacologically active ingredients of E. ulmoides bark. The research provides a scientific basis for the biological marker of genuineness and microbial technology for improving the content of medicinal ingredients of E. ulmoides.
Introduction Electronic supplementary material The online version of this article (https://doi.org/10.1007/s00284-020-02157-2) contains supplementary material, which is available to authorized users. * Yanfeng Han [email protected] 1
Institute of Fungus Resources, Department of Ecology, College of Life Sciences, Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), Guizhou University, Guiyang 550025, Guizhou, China
2
Analysis and Test Center, Huangshan University, Huangshan 245041, Anhui, China
3
Department of Microbiology, School of Basic Medical Science, Guiyang College of Traditional Chinese Medicine, Guiyang 550025, Guizhou, China
4
Engineering Research Centre of Industrial Microbiology, Ministry of Education, Fujian Normal University, Fujian, 350108, Fuzhou, China
5
TERI‑Deakin Nano Biotechnology Centre, The Energy and Resources Institute, Darbari Seth Block, IHC Complex, Lodhi Road 110003, New Delhi, India
In the natural world, various microorganisms attaching to the surfaces and existing in the interiors of the plants are called plant microbiota (or microbiome) [1, 2]. Healthy
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