Abstract：
:Pathogens are known to survive in compost and to regrow under the influence of certain factors, such as moisture content, temperature and nutrient availability. Dead biomass, by providing available nutrients, is a factor that may affect pathogen regrowth. However, the indigenous microorganisms, including pathogens, that grown on the dead biomass of compost have not yet been identified. Here, the regrowth potential of the pathogenic indicator bacterium Escherichia coli in the presence of dead bacterial biomass was determined, and the biomass metabolizers that grew competitively with E. coli were identified by high-sensitivity stable isotope probing of rRNA. Culture-dependent analysis indicated that the addition of dead bacterial biomass did not stimulate E. coli growth. High-throughput analysis of density-resolved 16S rRNA molecules from compost samples amended with carbon-13-labeled dead bacterial biomass revealed dead bacterial-assimilating bacteria, including Sphingobium sp., myxobacterial lineages and Bacillales. These bacteria are potentially competitive with pathogens due to their preferential assimilation of dead biomass in compost.
journal_name
Environ Intjournal_title
Environment internationalauthors
Hanajima D,Aoyagi T,Hori Tdoi
10.1016/j.envint.2019.105235subject
Has Abstractpub_date
2019-12-01 00:00:00pages
105235issue
Pt Beissn
0160-4120issn
1873-6750pii
S0160-4120(19)31328-5journal_volume
133pub_type
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journal_title：Environment international
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journal_title：Environment international
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journal_title：Environment international
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journal_title：Environment international
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journal_title：Environment international
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journal_title：Environment international
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pub_type： 杂志文章
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pub_type： 杂志文章
doi：10.1016/j.envint.2011.04.004
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journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/j.envint.2019.105402
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journal_title：Environment international
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doi：10.1016/j.envint.2014.05.023
更新日期：2014-10-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/j.envint.2019.105347
更新日期：2020-02-01 00:00:00
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journal_title：Environment international
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journal_title：Environment international
pub_type： 杂志文章
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journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/j.envint.2019.05.014
更新日期：2019-08-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/j.envint.2005.04.009
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journal_title：Environment international
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doi：10.1016/j.envint.2019.01.042
更新日期：2019-04-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章,评审
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更新日期：2005-07-01 00:00:00
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journal_title：Environment international
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更新日期：2020-11-20 00:00:00
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journal_title：Environment international
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journal_title：Environment international
pub_type： 杂志文章
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更新日期：2018-02-01 00:00:00
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journal_title：Environment international
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更新日期：2018-09-01 00:00:00
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journal_title：Environment international
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更新日期：2015-02-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/j.envint.2020.106308
更新日期：2021-01-01 00:00:00
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journal_title：Environment international
pub_type： 杂志文章
doi：10.1016/j.envint.2020.105747
更新日期：2020-07-01 00:00:00
