Niu Hongjin, Yuan Min, Chen Xiaobo, Zhao Jingwei, Cui Yushuang, Song Yao, Zhou Sihao, Song Alin, Huang Yali
School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang, China.
College of Life Sciences, North China University of Science and Technology, Tangshan, China.
Front Microbiol. 2024 Sep 4;15:1391428. doi: 10.3389/fmicb.2024.1391428. eCollection 2024.
Microbial communities have been demonstrated to be essential for healthy and productive soil ecosystems. However, an understanding of the relationship between soil microbial community and soil productivity levels is remarkably limited. In this study, bulk soil (BS), rhizosphere soil (RS), and root (R) samples from the historical high-productive (H) and low-productive (L) soil types of wheat in Hebei province of China were collected and analyzed by high-throughput sequencing. The study highlighted the richness, diversity, and structure of bacterial communities, along with the correlation networks among different bacterial genera. Significant differences in the bacterial community structure between samples of different soil types were observed. Compared with the low-productive soil type, the bacterial communities of samples from the high-productive soil type possessed high species richness, low species diversity, complex and stable networks, and a higher relative abundance of beneficial microbes, such as , unclassified Vicinamibacteraceae, , , , and . Further analysis indicated that the differences were mainly driven by soil organic matter (SOM), available nitrogen (AN), and electrical conductivity (EC). Overall, the soil bacterial community is an important factor affecting soil health and crop production, which provides a theoretical basis for the targeted regulation of microbes in low-productivity soil types.
微生物群落已被证明对健康且高产的土壤生态系统至关重要。然而，对土壤微生物群落与土壤生产力水平之间关系的理解却极为有限。在本研究中，采集了中国河北省历史高产（H）和低产（L）土壤类型小麦的大量土壤（BS）、根际土壤（RS）和根系（R）样本，并通过高通量测序进行分析。该研究突出了细菌群落的丰富度、多样性和结构，以及不同细菌属之间的相关网络。观察到不同土壤类型样本之间细菌群落结构存在显著差异。与低产土壤类型相比，高产土壤类型样本的细菌群落具有高物种丰富度、低物种多样性、复杂且稳定的网络，以及有益微生物（如未分类的维纳米菌科、、、、和）的相对丰度更高。进一步分析表明，这些差异主要由土壤有机质（SOM）、有效氮（AN）和电导率（EC）驱动。总体而言，土壤细菌群落是影响土壤健康和作物产量的重要因素，这为低产土壤类型中微生物的靶向调控提供了理论依据。
