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NPJ biofilms and microbiomes
Feb 13, 2025;11 (1): 28.

Assembly, network and functional compensation of specialists and generalists in poplar rhizosphere under salt stress.

Yao Du, Lei Zhang, Yan Yang, Kexin Cheng, Kaihang Li, Yingwen Zhou, Lu Li, Yi Jin, Xiaoqing He
Author Information
  1. Yao Du: State Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing, China.
  2. Lei Zhang: College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China.
  3. Yan Yang: College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China.
  4. Kexin Cheng: College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China.
  5. Kaihang Li: College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China.
  6. Yingwen Zhou: College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China.
  7. Lu Li: College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China.
  8. Yi Jin: College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China.
  9. Xiaoqing He: State Key Laboratory of Efficient Production of Forest Resources, Beijing Forestry University, Beijing, China. lenahe@bjfu.edu.cn.
PMID: 39948085 DOI: 10.1038/s41522-025-00662-5

Abstract

Salinity is a major challenge for plant growth, but Populus euphratica, a species native to desert regions, has a remarkable ability to tolerate salt stress. This study aimed to explore how salinity affects the rhizosphere microbiome of P. euphratica, focusing on diversity patterns, assembly mechanisms, network characterization, and the functional roles of specialists and generalists under salt stress conditions. The findings revealed that increased salinity enhances the complexity of the rhizosphere microbial network and the diversity of bacterial specialists. Specialists demonstrated a wider range of environmental adaptation and played a pivotal role in species interactions within the microbial network. Notably, salinity stress altered the structure and assembly of plant rhizosphere specialists, facilitating functional compensation and potentially augmenting the health of P. euphratica. This research offers critical insights into the microbiome dynamics of P. euphratica under salinity stress, advancing the understanding of specialists and generalists in the rhizosphere.

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MeSH Term

Populus
Rhizosphere
Soil Microbiology
Salt Stress
Microbiota
Bacteria
Plant Roots
Salinity
RNA, Ribosomal, 16S

Chemicals

RNA, Ribosomal, 16S
Journal Article
Article has an altmetric score of 2

Word Cloud

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