Plant species and associated root nutritional traits influence soil dominant bacteria in coastal wetlands across China

IF 8.3 1区生物学 Q1 PLANT SCIENCES

New Phytologist Pub Date : 2024-08-14 DOI:10.1111/nph.20047

Jing Li, Lijuan Cui, Manuel Delgado-Baquerizo, Juntao Wang, Shaokun Wang, Rumiao Wang, Yinuo Zhu, Wei Li, Brajesh K. Singh

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引用次数: 0

Abstract

Climate and edaphic properties drive the biogeographic distribution of dominant soil microbial phylotypes in terrestrial ecosystems. However, the impact of plant species and their root nutritional traits on microbial distribution in coastal wetlands remains unclear.
Here, we investigated the nutritional traits of 100 halophyte root samples and the bacterial communities in the corresponding soil samples from coastal wetlands across eastern China. This study spans 22° of latitude, covering over 2500 km from north to south.
We found that 1% of soil bacterial phylotypes accounted for nearly 30% of the soil bacterial community abundance, suggesting that a few bacterial phylotypes dominated the coastal wetlands. These dominated phylotypes could be grouped into three ecological clusters as per their preference over climatic (temperature and precipitation), edaphic (soil carbon and nitrogen), and plant factors (halophyte vegetation, root carbon, and nitrogen). We further provide novel evidence that plant root nutritional traits, especially root C and N, can strongly influence the distribution of these ecological clusters.
Taken together, our study provides solid evidence of revealing the dominance of specific bacterial phylotypes and the complex interactions with their environment, highlighting the importance of plant root nutritional traits on biogeographic distribution of soil microbiome in coastal wetland ecosystems.

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植物种类及相关根系营养特征对中国沿海湿地土壤优势菌的影响

气候和土壤特性决定了陆地生态系统中主要土壤微生物系统的生物地理分布。然而，植物物种及其根系营养特征对滨海湿地微生物分布的影响仍不清楚。在此，我们研究了中国东部沿海湿地中 100 个卤代植物根系样本的营养特征以及相应土壤样本中的细菌群落。这项研究的纬度跨度为 22°，从北到南的覆盖范围超过 2500 公里。我们发现，1%的土壤细菌系统型占土壤细菌群落丰度的近30%，这表明少数细菌系统型在滨海湿地中占主导地位。这些占主导地位的系统型可按其对气候（温度和降水）、土壤（土壤碳和氮）和植物因素（卤虫植被、根系碳和氮）的偏好分为三个生态群组。我们还进一步提供了新的证据，证明植物根系的营养性状，尤其是根系碳和氮，会强烈影响这些生态群落的分布。总之，我们的研究提供了确凿的证据，揭示了特定细菌系统型的优势及其与环境的复杂相互作用，突出了植物根系营养性状对沿岸湿地生态系统土壤微生物组生物地理分布的重要性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

New Phytologist 生物-植物科学

自引率

5.30%

发文量

728

期刊介绍： New Phytologist is an international electronic journal published 24 times a year. It is owned by the New Phytologist Foundation, a non-profit-making charitable organization dedicated to promoting plant science. The journal publishes excellent, novel, rigorous, and timely research and scholarship in plant science and its applications. The articles cover topics in five sections: Physiology & Development, Environment, Interaction, Evolution, and Transformative Plant Biotechnology. These sections encompass intracellular processes, global environmental change, and encourage cross-disciplinary approaches. The journal recognizes the use of techniques from molecular and cell biology, functional genomics, modeling, and system-based approaches in plant science. Abstracting and Indexing Information for New Phytologist includes Academic Search, AgBiotech News & Information, Agroforestry Abstracts, Biochemistry & Biophysics Citation Index, Botanical Pesticides, CAB Abstracts®, Environment Index, Global Health, and Plant Breeding Abstracts, and others.