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Response of soil bacterial communities to secondary compounds released from Eupatorium adenophorum
Zhu, Xunzhi1; Li, Yangping2; Feng, Yulong3; Ma, Keping4
2017
发表期刊BIOLOGICAL INVASIONS
ISSN1387-3547
卷号19期号:5页码:1471-1481
摘要Exotic plant species can benefit from altering soil microbial communities; however, the knowledge of the mechanisms through which this occurs is limited. The exotic species, Eupatorium adenophorum is a perennial plant that is aggressively invading southern China. Its invasiveness is attributed partially to its ability to release secondary chemicals that affect native plant species. Nevertheless, their effect on soil bacterial communities has rarely been explored. Here, we used natural fresh leaf and root leachate of E. adenophorum, and two pure, phytotoxic chemicals amorpha-4,7(11)-dien-8-one, and 6-hydroxy-5-isopropyl-3,8-dimethyl-4a,5,6,7,8,8a-hexahydraphthalen-2(1H)-one to evaluate: (a) short-term (3 days) effects of secondary chemicals on soil bacterial communities in mixed forests and (b) long-term (6 months) effects of leaf leachate on soil bacterial communities in three habitats. Additionally, the composition and diversity of soil bacterial communities were explored with high throughput sequencing using IlluminaMiSeq. In the short-term experiments, all treatments affected soil bacterial communities, but leaf leachate most significantly reduced soil bacterial richness and diversity. In the long-term experiments, leaf leachate altered bacterial communities in all soil samples, and reduced bacterial richness and diversity in soils from the forest and wasteland, but increased bacterial richness and diversity in soils from roadside. Redundancy analysis indicated that changes in bacterial communities were associated with soil organic carbon, nitrogen content, and pH. These results indicate that the water-dissoluble secondary chemicals of E. adenophorum, especially from its leaves, have an impact on soil bacterial communities, though the degree of the impact depends on soil ecotype.
关键词Allelochemicals Allelopathy Exotic plant invasion Soil microbes Community invasibility
学科领域Environmental Sciences & Ecology ; Geology
DOI10.1002/2017JG004005
收录类别SCI
语种英语
WOS关键词EXOTIC PLANT INVASION ; AGERATINA-ADENOPHORA ; TERRESTRIAL ECOSYSTEMS ; MICROBIAL COMMUNITY ; SP NOV. ; ALLELOCHEMICALS ; FEEDBACKS ; FOREST ; DIVERSITY ; SYSTEMS
WOS记录号WOS:000418086800023
出版者SPRINGER
文献子类Article
出版地DORDRECHT
EISSN1573-1464
资助机构National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC) [31300466, 31100410] ; Natural Science Foundation of Jiangsu ProvinceNatural Science Foundation of Jiangsu Province [BK20130461] ; Jiangsu Overseas Research & Training Program for University Prominent Young & Middleaged Teachers and Presidents ; West Light Foundation of Chinese Academy of SciencesChinese Academy of Sciences ; Chinese Academy of Sciences 135 program [XTBG-T01, F01]
作者邮箱liyp@xtbg.org.cn ; kpma@ibcas.ac.cn
作品OA属性Green Submitted, Bronze
引用统计
被引频次:18[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/22025
专题植被与环境变化国家重点实验室
作者单位1.Jiangsu Univ Sci & Technol, Coll Biotechnol, Zhenjiang 212018, Jiangsu, Peoples R China
2.Harvard TH Chan Sch Publ Hlth, Dept Environm Hlth, Ctr Nanotechnol & Nanotoxicol, Boston, MA 02115 USA
3.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Key Lab Trop Forest Ecol, Kunming 650223, Peoples R China
4.Shenyang Agr Univ, Coll Biosci & Biotechnol, Shenyang 110866, Peoples R China
5.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
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GB/T 7714
Zhu, Xunzhi,Li, Yangping,Feng, Yulong,et al. Response of soil bacterial communities to secondary compounds released from Eupatorium adenophorum[J]. BIOLOGICAL INVASIONS,2017,19(5):1471-1481.
APA Zhu, Xunzhi,Li, Yangping,Feng, Yulong,&Ma, Keping.(2017).Response of soil bacterial communities to secondary compounds released from Eupatorium adenophorum.BIOLOGICAL INVASIONS,19(5),1471-1481.
MLA Zhu, Xunzhi,et al."Response of soil bacterial communities to secondary compounds released from Eupatorium adenophorum".BIOLOGICAL INVASIONS 19.5(2017):1471-1481.
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