Profile of Bacterial Community and Antibiotic Resistance Genes in Typical Vegetable Greenhouse Soil
文献类型： 外文期刊
作者： Yuan, Xuexia 1 ; Zhang, Yong 3 ; Sun, Chenxi 1 ; Wang, Wenbo 1 ; Wu, Yuanjuan 1 ; Fan, Lixia 1 ; Liu, Bing 4 ;
作者机构： 1.Shandong Acad Agr Sci, Inst Agr Stand & Testing Technol Agriprod, Jinan 250100, Peoples R China
2.Shandong Prov Key Lab Test Technol Food Qual & Sa, Jinan 250100, Peoples R China
3.Shandong Prov Land Surveying & Planning Inst, Jinan 250014, Peoples R China
4.Shandong Jianzhu Univ, Sch Municipal & Environm Engn, Resources & Environm Innovat Inst, Jinan 250101, Peoples R China
关键词： antibiotic resistance genes; bacterial community; IntI gene; heavy metal; vegetable greenhouse
期刊名称：INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH （ 影响因子：4.614； 五年影响因子：4.798 ）
ISSN：
年卷期： 2022 年 19 卷 13 期
页码：
收录情况： SCI
摘要： The use of vegetable greenhouse production systems has increased rapidly because of the increasing demand for food materials. The vegetable greenhouse production industry is confronted with serious environmental problems, due to their high agrochemical inputs and intensive utilization. Besides this, antibiotic-resistant bacteria, carrying antibiotic-resistance genes (ARGs), may enter into a vegetable greenhouse with the application of animal manure. Bacterial communities and ARGs were investigated in two typical vegetable-greenhouse-using counties with long histories of vegetable cultivation. The results showed that Proteobacteria, Firmicutes, Acidobacteria, Chloroflexi, and Gemmatimonadetes were the dominant phyla, while aadA, tetL, sul1, and sul2 were the most common ARGs in greenhouse vegetable soil. Heatmap and principal coordinate analysis (PCoA) demonstrated that the differences between two counties were more significant than those among soils with different cultivation histories in the same county, suggesting that more effects on bacterial communities and ARGs were caused by soil type and manure type than by the accumulation of cultivation years. The positive correlation between the abundance of the intI gene with specific ARGs highlights the horizontal transfer potential of these ARGs. A total of 11 phyla were identified as the potential hosts of specific ARGs. Based on redundancy analysis (RDA), Ni and pH were the most potent factors determining the bacterial communities, and Cr was the top factor affecting the relative abundance of the ARGs. These results might be helpful in drawing more attention to the risk of manure recycling in the vegetable greenhouse, and further developing a strategy for practical manure application and sustainable production of vegetable greenhouses.
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