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Arthrobacter is a universal responder to di-n-butyl phthalate (DBP) contamination in soils from various geographical locations

文献类型： 外文期刊

作者： Kong, Xiao 1 ; Bai, Zhanbing 3 ; Jin, Tuo 4 ; Jin, Decai 2 ; Pan, Jiangang 6 ; Yu, Xiangyang 7 ; Cernava, Tomislav 8 ;

作者机构： 1.Qingdao Univ, Sch Publ Hlth, Qingdao 266021, Peoples R China

2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Environm Biotechnol, Beijing 100085, Peoples R China

3.Hunan Acad Agr Sci, Hunan Vegetable Res Inst, Changsha 410125, Peoples R China

4.Minist Agr & Rural Affairs, Rural Energy & Environm Agcy, Beijing 100125, Peoples R China

5.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China

6.Inner Mongolia Univ Sci & Technol, Sch Life Sci & Technol, Baotou 014010, Peoples R China

7.Minist Sci & Technol, Jiangsu Key Lab Food Qual & Safety, State Key Lab Cultivat Base, Nanjing 210014, Peoples R China

8.Graz Univ Technol, Inst Environm Biotechnol, Petersgasse 12, A-8010 Graz, Austria

关键词： Di-n-butyl phthalate; Bacterial community; Soil microbiome; Arthrobacter; Sphingomonas

期刊名称：JOURNAL OF HAZARDOUS MATERIALS （ 影响因子：14.224； 五年影响因子：12.984 ）

ISSN： 0304-3894

年卷期： 2022 年 422 卷

页码：

收录情况： SCI

摘要： Plasticizer phthalic acid esters (PAEs) are commonly found as contaminants in various soils. Previous studies indicated that their natural degradation can substantially differ among soil types; however, potential implications of the soil microbiome remained largely unexplored. Here, we have collected ten soil types from nine different geographical regions of China to investigate the degradation of DBP therein and role of bacteria in this process. Results showed that the degradation rate of DBP was lowest in nutrient-poor red soils from Jiangxi Province, while it was highest in fluvo-aquatic soil from Hebei Province. Bacterial community responses to DBP substantially differed in each of the analyzed soils. Arthrobacter is known for its broad-spectrum activity in terms of DBP degradation in soil and was therefore implemented as bioremediating inoculant in many polluted environments. In the present study, network analyses indicated that synergism between soil bacteria increased following exposure to DBP. Arthrobacter and Sphingomonas were found to expand their positive interactions with other members of the microbiome in DBP-contaminated soils. The overall findings of our study provide a basis for biomarker development for detection of DBP contaminations and an extended basis for future bioremediation approaches based on beneficial bacteria.

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