Microbial succession in response to pollutants in batch-enrichment culture

Scientific Reports
Shuo JiaoGehong Wei

Abstract

As a global problem, environmental pollution is an important factor to shape the microbial communities. The elucidation of the succession of microbial communities in response to pollutants is essential for developing bioremediation procedures. In the present study, ten batches of soil-enrichment subcultures were subjected to four treatments: phenanthrene, n-octadecane, phenanthrene + n-octadecane, or phenanthrene + n-octadecane + CdCl2. Forty pollutant-degrading consortia, corresponding to each batch of the four treatments were obtained. High-throughput sequencing of the 16S rRNA gene revealed that the diversity, richness and evenness of the consortia decreased throughout the subculturing procedure. The well-known hydrocarbon degraders Acinetobacter, Gordonia, Sphingobium, Sphingopyxis, and Castellaniella and several other genera, including Niabella and Naxibacter, were detected in the enriched consortia. The predominant microbes varied and the microbial community in the consortia gradually changed during the successive subculturing depending on the treatment, indicating that the pollutants influenced the microbial successions. Comparison of the networks in the treatments indicated that organic pollutants and CdCl2 affected the...Continue Reading

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Citations

Jan 13, 2019·Applied and Environmental Microbiology·Primrose J BoyntonAnne Pringle
Jan 20, 2019·Applied and Environmental Microbiology·Shuo JiaoGehong Wei
Mar 7, 2019·Environmental Microbiology·Elena Cerro-GálvezMaria Vila-Costa
May 22, 2019·Functional & Integrative Genomics·Niti B JadejaAtya Kapley
Jun 11, 2019·Journal of Environmental Quality·Erin M KarppinenSteven D Siciliano
Apr 25, 2018·Microbial Ecology·Marta A MoitinhoRodrigo G Taketani
Jun 4, 2019·Frontiers in Microbiology·Jessica Lee JoynerTheodore R Muth
Jun 13, 2021·Enzyme and Microbial Technology·Douglas Antonio Alvaredo PaixãoFabio Marcio Squina
Sep 5, 2020·Environmental Science & Technology·Robyn Joanna WrightJoseph Christie-Oleza
Jan 18, 2022·The Science of the Total Environment·Xia WangYongming Luo

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Methods Mentioned

BETA
electrophoresis
PCR

Software Mentioned

ADONIS
R
ANOSIM
ANOSIM of ( ADONIS )
Gephi
BLAST
USEARCH
igraph
Hmisc
vegan

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Bioremediation is the treatment and removal of harmful pollutants or contaminants through the use of microorganisms. Discover the latest research here.