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231227s2024 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2023.2291421
|2 doi
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|a pubmed25n1219.xml
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|a (NLM)38118139
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|e rakwb
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|a eng
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|a Obayori, Oluwafemi Sunday
|e verfasserin
|4 aut
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|a Depletion of hydrocarbons and concomitant shift in bacterial community structure of a diesel-spiked tropical agricultural soil
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 23.10.2024
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|a Date Revised 23.10.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Bacterial community of a diesel-spiked agricultural soil was monitored over a 42-day period using the metagenomic approach in order to gain insight into key phylotypes impacted by diesel contamination and be able to predict end point of bioattenuation. Soil physico-chemical parameters showed significant differences (P < 0.05) between the Polluted Soil (PS) and the Unpolluted control (US)across time points. After 21 days, the diesel content decreased by 27.39%, and at the end of 42 days, by 57.11%. Aromatics such as benzene, anthanthrene, propylbenzene, phenanthrenequinone, anthraquinone, and phenanthridine were degraded to non-detected levels within 42 days, while some medium range alkanes and polyaromatics such as acenaphthylene, naphthalene, and anthracene showed significant levels of degradation. After 21 days (LASTD21), there was a massive enrichment of the phylum Proteobacteria (72.94%), a slight decrease in the abundance of phylum Actinobacteriota (12.74%), and > 500% decrease in the abundance of the phylum Acidobacteriodota (5.26%). Day 42 (LASTD42) saw establishment of the dominance of the Proteobacteria (34.95%), Actinobacteriota, (21.71%), and Firmicutes (32.14%), and decimation of phyla such as Gemmatimonadota, Planctomycetota, and Verrucromicrobiota which play important roles in the cycling of elements and soil health. Principal component analysis showed that in PS moisture contents, phosphorus, nitrogen, organic carbon, had greater impacts on the community structure in LASTD21, while acidity, potassium, sodium, calcium and magnesium impacted the control sample. Recovery time of the soil based on the residual hydrocarbons at Day 42 was estimated to be 229.112 d. Thus, additional biostimulation may be required to achieve cleanup within one growing season
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|a Journal Article
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|a Agricultural soil
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|a bacterial diversity
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|a diesel contamination
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|a hydrocarbon degradation
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|a shotgun metagenomics
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|a Soil Pollutants
|2 NLM
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| 650 |
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|a Gasoline
|2 NLM
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| 650 |
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|a Hydrocarbons
|2 NLM
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| 650 |
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|a Soil
|2 NLM
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| 700 |
1 |
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|a Adesina, Oluwadamilola Deborah
|e verfasserin
|4 aut
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| 700 |
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|a Salam, Lateef Babatunde
|e verfasserin
|4 aut
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|a Ashade, Ahmeed Olalekan
|e verfasserin
|4 aut
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|a Nwaokorie, Francisca Obiageri
|e verfasserin
|4 aut
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|i Enthalten in
|t Environmental technology
|d 1993
|g 45(2024), 25 vom: 15. Nov., Seite 5368-5383
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnas
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| 773 |
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|g volume:45
|g year:2024
|g number:25
|g day:15
|g month:11
|g pages:5368-5383
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|u http://dx.doi.org/10.1080/09593330.2023.2291421
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