Abstract:
:The concept of the Nitrogen (N) cycle has been modified over the years based on certain new pathways, including comammox, anammox, and DNRA (dissimilatory nitrate reduction to ammonium). Comammox, nitrification, anammox, denitrification, DNRA, and nitrogen fixation pathways play key roles in the N cycle in paddy soils. Pesticides and chemical fertilizers' effects on the N cycle in paddy soils together with the possible manifestation of these newly discovery pathways are the focus of this review. Both chemical fertilizers and pesticides' overuse affect nitrifying archaea/bacteria and denitrifying and anammox bacteria, while heavy metals affect the nitrification rates in paddy soils. To add extra value to this study, we quantified the comammox amoA single copy gene from the Nitrospira strain 'Nitrospira inopinata'. This review will help researchers access the latest information on the N cycle, particularly in the light of the most recent discoveries.
journal_name
Bull Environ Contam Toxicoljournal_title
Bulletin of environmental contamination and toxicologyauthors
Rahman MM,Khanom A,Biswas SKdoi
10.1007/s00128-020-03092-5subject
Has Abstractpub_date
2021-01-15 00:00:00eissn
0007-4861issn
1432-0800pii
10.1007/s00128-020-03092-5pub_type
杂志文章,评审abstract::A green, sensitive and accurate dispersive liquid-liquid microextraction (DLLME) method was used to preconcentrate four selected pesticides in dam lake water samples for determination by gas chromatography-mass spectrometry (GC-MS). Conditions of the DLLME method were comprehensively investigated and optimized accordi...
journal_title:Bulletin of environmental contamination and toxicology
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abstract::A two season field experiment was conducted to study the magnitude of Benthiocarb residue in transplanted paddy field soil of plough layer (6''), beyond the plough layer (12'') as well as in harvested straw, grain and husk. Transplanted paddy fields were treated once with Benthiocarb (Saturn 50 EC) @1500 g.a.i., 2500 ...
journal_title:Bulletin of environmental contamination and toxicology
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journal_title:Bulletin of environmental contamination and toxicology
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abstract::The objective of the study was to evaluate the toxicity of trace elements to earthworms (Eisenia fetida) in recreational and military shooting range soils. The earthworms were exposed to soils; then mortality, growth, and reproduction endpoints were determined. In the recreational shooting range, the total Pb concentr...
journal_title:Bulletin of environmental contamination and toxicology
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journal_title:Bulletin of environmental contamination and toxicology
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abstract::This study provides information on the current status of contamination by organochlorine pesticides (OCPs) in eggs and tissues of House Sparrow, Passer domesticus, in Tamil Nadu, India. The mean concentration of total hexachlorocyclohexane (∑HCH) and total dichloro-diphenyl-trichloroethane (∑DDT) in eggs ranged from 0...
journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
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abstract::Using several extraction methods including the QuEChERS approach, samples of both model and natural sediments were prepared. For the isolation of the target group of pesticides, two variants of two complementary extractions had to be used. Resulting extracts were analysed with LC/MS/MS. Selected methods furnishing the...
journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
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更新日期:2012-07-01 00:00:00
abstract::As a consequence of offshore drilling, used Water Based Drilling Muds (WBMs) are typically disposed off, by discharging into the sea; such a disposal does not fully eliminate the environmental hazards. Hence, in this study, 2, 3, 4 and 5 ringed polycyclic aromatic hydrocarbons (PAHs i.e. naphthalene, fluorene, phenant...
journal_title:Bulletin of environmental contamination and toxicology
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更新日期:2011-11-01 00:00:00
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journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章,评审
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abstract::The examination of ten arterial specimens from nine experimental dogs shows a generally persistent accumulation of cadmium in the blood vessels following acute cadmium exposure. Gel filtration analysis of the aorta revealed that this vascular cadmium is largely confined to the insoluble cellular compartment. The left ...
journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/BF01705513
更新日期:1975-10-01 00:00:00
abstract::Polycyclic aromatic hydrocarbons (PAHs) are of concern for both ecosystem and human health due to their potential teratogenic, carcinogenic, and mutagenic properties. The concentration of ∑16PAHs in foliar dust ranged from 49.4 to 19,018.1 µg kg-1, with a mean value of 7074.5 µg kg-1. There were significant seasonal v...
journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00128-018-2287-7
更新日期:2018-04-01 00:00:00
abstract::Sixteen priority polycyclic aromatic hydrocarbons (PAHs) were measured in six stations in Karaj River, which is the main resource of drinking water in Tehran. The single PAHs concentrations ranged from not detected to 2,327.8 ng L(-1), with a mean value of 31.5 ng L(-1). The total PAHs concentrations ranged from 25.6,...
journal_title:Bulletin of environmental contamination and toxicology
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doi:10.1007/s00128-013-1140-2
更新日期:2014-01-01 00:00:00
abstract::The purpose of this article was to study the dissipation rate of carfentrazone-ethyl in soil and its terminal residue in wheat field eco-system. The results showed that carfentrazone-ethyl dissipated rapidly in soil after application. Its half-lives in soil were 5.8 and 3.8 h in Beijing and Jilin, respectively. The te...
journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00128-007-9262-z
更新日期:2007-10-01 00:00:00
abstract::The present study was conducted to determine the VOCs concentrations in a service station located in a residential and commercial area in the city of Rio de Janeiro. This is, to our knowledge, the first published determination in Brazil, where both ethanol and ethanol-blended gasoline are used. Electro polished, stain...
journal_title:Bulletin of environmental contamination and toxicology
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更新日期:2007-08-01 00:00:00
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journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00128-020-02973-z
更新日期:2020-08-29 00:00:00
abstract::Levels of tributyltin (TBT) and its degradation products, mono (MBT) and dibutyltin (DBT), were monitored in fish commonly consumed in Iran. Samples were purchased from fish markets at seasonal intervals in 2010 along the North coast of Iran. Concentration of MBT, DBT and TBT in the muscle of these fish were in the ra...
journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
doi:10.1007/s00128-011-0455-0
更新日期:2012-01-01 00:00:00
abstract::Concentrations of organochlorine pesticides (OCPs) were measured in blood plasma of 13 species of birds collected from Ahmedabad, India. Among the various OCPs determined, HCHs and its isomers had higher contribution to the total OCPs. Concentration of summation operatorHCHs varied from 11.4 ng/mL in White ibis Thresk...
journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
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更新日期:2010-08-01 00:00:00
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journal_title:Bulletin of environmental contamination and toxicology
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journal_title:Bulletin of environmental contamination and toxicology
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journal_title:Bulletin of environmental contamination and toxicology
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journal_title:Bulletin of environmental contamination and toxicology
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journal_title:Bulletin of environmental contamination and toxicology
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journal_title:Bulletin of environmental contamination and toxicology
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更新日期:2009-01-01 00:00:00
abstract::The aim of the present study was to assess the sulphate [Formula: see text] and iron (Fe) contamination and seasonal variations in the water resources (groundwater, surface water, and mine water) of the West Bokaro coalfield region, India. One hundred and twenty-four water resources samples were collected from the coa...
journal_title:Bulletin of environmental contamination and toxicology
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abstract::Numerous studies have described human exposure to heavy metals from diverse sources in Nigeria, but little is known about the exposure from personal care products, and few or no report is available on the personal care product concentrations of cadmium, chromium, copper and zinc, which have biotic effects. The levels ...
journal_title:Bulletin of environmental contamination and toxicology
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更新日期:2010-01-01 00:00:00
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journal_title:Bulletin of environmental contamination and toxicology
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journal_title:Bulletin of environmental contamination and toxicology
pub_type: 杂志文章
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更新日期:2017-09-01 00:00:00
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journal_title:Bulletin of environmental contamination and toxicology
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abstract::We quantified imposex in file dogwinkles (Nucella lima) and tributyltin (TBT) contamination in bay mussels (Mytilus trossulus) from a number of sites in Auke Bay, Alaska, previously studied in the late 1980s. Imposex occurrence and TBT contamination have generally declined in spatial extent and severity over time. How...
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