The response of nitrogen cycling and bacterial communities to E. coli invasion in aquatic environments with submerged vegetation

The effects of exogenous Escherichia coli on nitrogen cycling (N-cycling) in freshwater remains unclear. Thus, seven ecosystems, six with submerged plants—Potamogeton crispus (PC) and Myriophyllum aquaticum (MA)—and one with no plants were set up. Habitats were assessed before and after E. coli addi...

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Bibliographic Details
Published in:Journal of environmental management 2020-05, Vol.261, p.110204-110204, Article 110204
Main Authors: Gu, Li, Wu, Jian-yi, Hua, Zu-lin, Chu, Ke-jian
Format: Article
Language:English
Subjects:
Aquatic nitrogen cycling
Bacteria
Bacterial co-occurrence network
Ecosystem
Escherichia coli
Exogenous E. coli
Nitrogen
Nitrogen Cycle
Nitrogen-fixing bacteria
Submerged plants
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Summary:The effects of exogenous Escherichia coli on nitrogen cycling (N-cycling) in freshwater remains unclear. Thus, seven ecosystems, six with submerged plants—Potamogeton crispus (PC) and Myriophyllum aquaticum (MA)—and one with no plants were set up. Habitats were assessed before and after E. coli addition (107 colony-forming units/mL). E. coli colonization of freshwater ecosystems had significant effects on bacterial community structure in plant surface biofilms and surface sediments (ANOVA, P 
ISSN:0301-4797
1095-8630
DOI:10.1016/j.jenvman.2020.110204