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author:

Xiao, Rong (Xiao, Rong.) [1] (Scholars:肖蓉) | Hu, Yanping (Hu, Yanping.) [2] | Wang, Yaping (Wang, Yaping.) [3] | Li, Junming (Li, Junming.) [4] | Guo, Congling (Guo, Congling.) [5] | Bai, Junhong (Bai, Junhong.) [6] | Zhang, Ling (Zhang, Ling.) [7] | Zhang, Kegang (Zhang, Kegang.) [8] | Jorquera, Milko A. (Jorquera, Milko A..) [9] | Acuna, Jacquelinne J. (Acuna, Jacquelinne J..) [10] | Pan, Wenbin (Pan, Wenbin.) [11] (Scholars:潘文斌)

Indexed by:

EI Scopus SCIE

Abstract:

Increasing concerns about public health and safety after covid-19 have raised pathogen studies, especially in aquatic environments. However, the extent to how different location and human activities affect geographic occurrence and distribution of pathogens in response to agricultural pollution, boat tourism disturbances and municipal wastewater inflow in a degraded lake remains unclear. Since the surrounding residents depend on the lake for their livelihood, understanding the pathogens reserved in lake sediment and the regulation possibility by environmental factors are challenges with far-reaching significance. Results showed that 187 pathogens were concurrently shared by the nine sediment samples, with Salmonella enterica and Pseudomonas aeruginosa being the most abundant. The similar composition of the pathogens suggests that lake sediment may act as reservoirs of generalist pathogens which may pose infection risk to a wide range of host species. Of the four virulence factors (VFs) types analyzed, offensive VFs were dominant (>46 % on average) in all samples, with dominant subtypes including adherence, secretion systems and toxins. Notably, the lake sediments under the impact of agricultural use (g1) showed significantly higher diversity and abundance of pathogen species and VFs than those under the impact of boat tourism (g2) and/or municipal wastewater inflow with reed marshes filtration (g3). From the cooccurrence networks, pathogens and pesticides, aggregate fractions, EC, pH, phosphatase have strong correlations. Strong positive correlations between pathogens and diazinon in g1 and ppDDT in g2 and g3 suggest higher pesticide-pathogen co-exposure risk. These findings highlight the need to explore pathogen - environmental factor interaction mechanisms in the human-impacted water environments where the control of pathogen invasion by environmental factors may accessible.

Keyword:

Metagenome Pathogen Pesticide PHI-base Sediment VFDB

Community:

  • [ 1 ] [Xiao, Rong]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350108, Peoples R China
  • [ 2 ] [Hu, Yanping]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350108, Peoples R China
  • [ 3 ] [Wang, Yaping]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350108, Peoples R China
  • [ 4 ] [Li, Junming]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350108, Peoples R China
  • [ 5 ] [Guo, Congling]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350108, Peoples R China
  • [ 6 ] [Pan, Wenbin]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350108, Peoples R China
  • [ 7 ] [Bai, Junhong]Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China
  • [ 8 ] [Zhang, Ling]Beijing Normal Univ, Sch Environm, State Key Lab Water Environm Simulat, Beijing 100875, Peoples R China
  • [ 9 ] [Zhang, Kegang]North China Elect Power Univ, Dept Environm Sci & Engn, Baoding 071003, Peoples R China
  • [ 10 ] [Jorquera, Milko A.]Univ La Frontera, Dept Chem Sci & Nat Resources, Temuco 01145, Chile
  • [ 11 ] [Acuna, Jacquelinne J.]Univ La Frontera, Dept Chem Sci & Nat Resources, Temuco 01145, Chile

Reprint 's Address:

  • 肖蓉

    [Xiao, Rong]Fuzhou Univ, Coll Environm & Safety Engn, Fuzhou 350108, Peoples R China

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Source :

SCIENCE OF THE TOTAL ENVIRONMENT

ISSN: 0048-9697

Year: 2024

Volume: 913

8 . 2 0 0

JCR@2023

Cited Count:

WoS CC Cited Count: 5

SCOPUS Cited Count: 5

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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