Abstract:
:In this study, compound microbial inoculants, including three Bacillus strains and one Yeast strain, were inoculated into swine manure composting to explore the effects on antibiotic resistance genes (ARGs) and mobile genetic elements (MGEs), microbial community structure, and pathogenic bacteria. The results indicated that the abundances of the detected ARGs ranged from 3.6 × 103 to 1.13 × 108 copies/g. The ARGs with the highest abundance was sul2, and the lowest was blaCTX. Composting removes most of the ARGs and MGEs by 22.8-99.7%. These ARGs were significantly reduced during the thermophilic phase of compost. The removal rate of ARGs at the different layers of compost pile was different as follows: middle layer > upper layer > lower layer. But some ARGs proliferated significantly in the maturation phase of compost, especially the sulfonamide resistance genes. Compound microbial inoculants increased the temperature of compost, accelerated water loss, nitrogen fixation, and increased the removal rate of β-lactamase resistance genes, the transposon gene tn916 and part of tetracycline resistance genes by 3.7-23.8% in compost. Compound microbial inoculants changed the community structure and increased the Bacillus abundance in the thermophilic phase of compost. And it was helpful for removing pathogens during composting. The addition of compound microbial inoculants causes the decrease of Firmicutes and the increase of Bacteroidetes, which may be related to the removal and proliferation of ARGs.
journal_name
Front Microbioljournal_title
Frontiers in microbiologyauthors
Li K,Cao R,Mo S,Yao R,Ren Z,Wu Jdoi
10.3389/fmicb.2020.592592subject
Has Abstractpub_date
2020-11-03 00:00:00pages
592592issn
1664-302Xjournal_volume
11pub_type
杂志文章abstract::The family Marseilleviridae, defined as a group of icosahedral double-stranded DNA viruses with particle size of approximately 250 nm and genome size of 350-380 kbp, belongs to the nucleo-cytoplasmic family of large DNA viruses. The family Marseilleviridae is currently classified into lineages A-E. In this study, we i...
journal_title:Frontiers in microbiology
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pub_type: 杂志文章,评审
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pub_type: 杂志文章,评审
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journal_title:Frontiers in microbiology
pub_type: 杂志文章
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pub_type: 杂志文章
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pub_type: 杂志文章
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abstract::Vibrio parahaemolyticus, a halophilic bacterium often found in the marine or estuarine environment is a well-known enteropathogen responsible for foodborne outbreaks associated with seafood. The pathogenic strains of V. parahaemolyticus are marked by the presence of thermostable direct hemoylsin (tdh) and/or TDH relat...
journal_title:Frontiers in microbiology
pub_type: 杂志文章
doi:10.3389/fmicb.2020.00592
更新日期:2020-04-07 00:00:00
abstract::The aim of this study was to determine the role of an exopolysaccharide produced by natural dairy isolate Lactobacillus paracasei subsp. paracasei BGSJ2-8, in the adhesion to intestinal epithelial cells and a decrease in Escherichia coli's association with Caco-2 cells. Annotation of the BGSJ2-8 genome showed the pres...
journal_title:Frontiers in microbiology
pub_type: 杂志文章
doi:10.3389/fmicb.2016.00286
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pub_type: 杂志文章
doi:10.3389/fmicb.2017.00835
更新日期:2017-05-12 00:00:00
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pub_type: 杂志文章
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pub_type: 杂志文章
doi:10.3389/fmicb.2020.569249
更新日期:2020-10-20 00:00:00
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journal_title:Frontiers in microbiology
pub_type: 杂志文章
doi:10.3389/fmicb.2020.01378
更新日期:2020-06-30 00:00:00
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journal_title:Frontiers in microbiology
pub_type: 杂志文章
doi:10.3389/fmicb.2017.01038
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pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:Frontiers in microbiology
pub_type: 已发布勘误
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更新日期:2018-06-11 00:00:00
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pub_type: 杂志文章
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pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:Frontiers in microbiology
pub_type: 杂志文章
doi:10.3389/fmicb.2017.01462
更新日期:2017-08-02 00:00:00
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journal_title:Frontiers in microbiology
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pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:2015-12-23 00:00:00
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pub_type: 杂志文章,评审
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