Nanopore-Based Metagenomic Analysis of the Impact of Nanoparticles on Soil Microbial Communities

2021 ◽  
Author(s):  
Sangeeta Chavan ◽  
Sarangdhar Vishwas ◽  
Vigneshwaran Nadanathangam
Keyword(s):  
Microbial Communities ◽  
Soil Microbial Communities ◽  
Metagenomic Analysis ◽  
Soil Microbial ◽  
The Impact

The impact of nanoscale zero-valent iron particles on soil microbial communities is soil dependent

2019 ◽  
Vol 364 ◽  
pp. 591-599 ◽  
Author(s):  
María T. Gómez-Sagasti ◽  
Lur Epelde ◽  
Mikel Anza ◽  
Julen Urra ◽  
Itziar Alkorta ◽  
...  
Keyword(s):  
Microbial Communities ◽  
Soil Microbial Communities ◽  
Zero Valent Iron ◽  
Iron Particles ◽  
Soil Microbial ◽  
Nanoscale Zero Valent Iron ◽  
The Impact

scholarly journals Biocrust-forming mosses mitigate the impact of aridity on soil microbial communities in drylands: observational evidence from three continents

2018 ◽  
Vol 220 (3) ◽  
pp. 824-835 ◽  
Author(s):  
Manuel Delgado-Baquerizo ◽  
Fernando T. Maestre ◽  
David J. Eldridge ◽  
Matthew A. Bowker ◽  
Thomas C. Jeffries ◽  
...  
Keyword(s):  
Microbial Communities ◽  
Soil Microbial Communities ◽  
Observational Evidence ◽  
Soil Microbial ◽  
The Impact

scholarly journals Soil Heating at High Temperatures and Different Water Content: Effects on the Soil Microorganisms

Geosciences ◽  
2020 ◽  
Vol 10 (9) ◽  
pp. 355
Author(s):  
Ana Barreiro ◽  
Alba Lombao ◽  
Angela Martín ◽  
Javier Cancelo-González ◽  
Tarsy Carballas ◽  
...  
Keyword(s):  
Microbial Communities ◽  
Water Content ◽  
Thermal Shock ◽  
Soil Microbial Communities ◽  
Initial Water Content ◽  
Initial Water ◽  
Soil Heating ◽  
Soil Microbial ◽  
Induced Changes ◽  
The Impact

Soil properties determining the thermal transmissivity, the heat duration and temperatures reached during soil heating are key factors driving the fire-induced changes in soil microbial communities. The aim of the present study is to analyze, under laboratory conditions, the impact of the thermal shock (infrared lamps reaching temperatures of 100 °C, 200 °C and 400 °C) and moisture level (0%, 25% and 50% per soil volume) on the microbial properties of three soil mixtures from different sites. The results demonstrated that the initial water content was a determinant factor in the response of the microbial communities to soil heating treatments. Measures of fire impact included intensity and severity (temperature, duration), using the degree-hours method. Heating temperatures produced varying thermal shock and impacts on biomass, bacterial activity and microbial community structure.

scholarly journals Stability of microbiota in vineyard soils across consecutive years.

2021 ◽  
Author(s):  
Alessandro Cestaro ◽  
emanuela coller ◽  
Davide Albanese ◽  
erika stefani ◽  
Massimo Pindo ◽  
...  
Keyword(s):  
Microbial Communities ◽  
Large Scale ◽  
Geographic Origin ◽  
Soil Microbial Communities ◽  
Geographical Location ◽  
Taxonomic Structure ◽  
Ecological Processes ◽  
Soil Microbiota ◽  
Soil Microbial ◽  
The Impact

Agricultural soils harbor rich and diverse microbial communities that have a deep influence on soil properties and productivity. Large scale studies have shown the impact of environmental parameters like climate or chemical composition on the distribution of bacterial and fungal species. Comparatively, little data exists documenting how soil microbial communities change between different years. Quantifying the temporal stability of soil microbial communities will allow us to better understand the relevance of the differences between environments and their impact on ecological processes on the global and local scale. We characterized the bacterial and fungal components of the soil microbiota in ten vineyards in two consecutive years. Despite differences of species richness and diversity between the two years, we found a general stability of the taxonomic structure of the soil microbiota. Temporal differences were smaller than differences due to geographical location, vineyard land management or differences between sampling sites within the same vineyard. Using machine learning, we demonstrated that each site was characterized by a distinctive microbiota, and we identified a reduced set of indicator species that could classify samples according to their geographic origin across different years with high accuracy.

scholarly journals Comparative Metagenomic Analysis of Soil Microbial Communities across Three Hexachlorocyclohexane Contamination Levels

PLoS ONE ◽  
2012 ◽  
Vol 7 (9) ◽  
pp. e46219 ◽  
Author(s):  
Naseer Sangwan ◽  
Pushp Lata ◽  
Vatsala Dwivedi ◽  
Amit Singh ◽  
Neha Niharika ◽  
...  
Keyword(s):  
Microbial Communities ◽  
Soil Microbial Communities ◽  
Metagenomic Analysis ◽  
Soil Microbial ◽  
Contamination Levels

scholarly journals Microbial Inoculants and Their Impact on Soil Microbial Communities: A Review

2013 ◽  
Vol 2013 ◽  
pp. 1-11 ◽  
Author(s):  
Darine Trabelsi ◽  
Ridha Mhamdi
Keyword(s):  
Microbial Communities ◽  
Soil Microbial Communities ◽  
Future Research ◽  
Bacterial Strains ◽  
Microbial Inoculants ◽  
Soil Microbial ◽  
Functional Capabilities ◽  
Plant Soil ◽  
Taxonomic Groups ◽  
The Impact

The knowledge of the survival of inoculated fungal and bacterial strains in field and the effects of their release on the indigenous microbial communities has been of great interest since the practical use of selected natural or genetically modified microorganisms has been developed. Soil inoculation or seed bacterization may lead to changes in the structure of the indigenous microbial communities, which is important with regard to the safety of introduction of microbes into the environment. Many reports indicate that application of microbial inoculants can influence, at least temporarily, the resident microbial communities. However, the major concern remains regarding how the impact on taxonomic groups can be related to effects on functional capabilities of the soil microbial communities. These changes could be the result of direct effects resulting from trophic competitions and antagonistic/synergic interactions with the resident microbial populations, or indirect effects mediated by enhanced root growth and exudation. Combination of inoculants will not necessarily produce an additive or synergic effect, but rather a competitive process. The extent of the inoculation impact on the subsequent crops in relation to the buffering capacity of the plant-soil-biota is still not well documented and should be the focus of future research.

scholarly journals Erosion reduces soil microbial diversity, network complexity and multifunctionality

2021 ◽  
Author(s):  
Liping Qiu ◽  
Qian Zhang ◽  
Hansong Zhu ◽  
Peter B. Reich ◽  
Samiran Banerjee ◽  
...  
Keyword(s):  
Soil Erosion ◽  
Microbial Diversity ◽  
Microbial Communities ◽  
Negative Impact ◽  
Microbial Community Composition ◽  
Soil Microbial Communities ◽  
Soil Microbial Diversity ◽  
Soil Microbial ◽  
Relative Abundances ◽  
The Impact

AbstractWhile soil erosion drives land degradation, the impact of erosion on soil microbial communities and multiple soil functions remains unclear. This hinders our ability to assess the true impact of erosion on soil ecosystem services and our ability to restore eroded environments. Here we examined the effect of erosion on microbial communities at two sites with contrasting soil texture and climates. Eroded plots had lower microbial network complexity, fewer microbial taxa, and fewer associations among microbial taxa, relative to non-eroded plots. Soil erosion also shifted microbial community composition, with decreased relative abundances of dominant phyla such as Proteobacteria, Bacteroidetes, and Gemmatimonadetes. In contrast, erosion led to an increase in the relative abundances of some bacterial families involved in N cycling, such as Acetobacteraceae and Beijerinckiaceae. Changes in microbiota characteristics were strongly related with erosion-induced changes in soil multifunctionality. Together, these results demonstrate that soil erosion has a significant negative impact on soil microbial diversity and functionality.

scholarly journals Influence of Pseudomonas and Bacillus Strains Isolated from Lolium perenne Rhizospheric Soil in Vojvodina (Serbia) on the Planth Growth and Soil Microbial Communities

2017 ◽  
Vol 66 (2) ◽  
pp. 269-272
Author(s):  
Dragana R. Stamenov ◽  
Simonida Djuric ◽  
Timea Hajnal- Jafari ◽  
Snežana Andjelkovic
Keyword(s):  
Microbial Communities ◽  
Lolium Perenne ◽  
Soil Microbial Communities ◽  
Pseudomonas Sp ◽  
Bacillus Sp ◽  
Rhizospheric Soil ◽  
Soil Microbial ◽  
Number Of Microorganisms ◽  
Set Up ◽  
The Impact

The aim of this study was the isolation of Pseudomonas sp. and Bacillus sp. strains from rhizospheric soil and monitoring the impact of two isolates denoted as P12 (Pseudomonas sp.) and B1 (Bacillus sp.) on the parameters of the English ryegrass (Lolium perenne) yield and activity of the soil microbial communities. During 2012-2014, the plot experiment was set up following randomized block system. Better effect on the plant growth was recorded with the use of Pseudomonas sp. P12 isolate than with Bacillus sp. B1. Positive effect on the increase in the total number of microorganisms, aminoheterotrophs and azotobacter was also achieved. Bacillus sp. B1 increased only the number of actimycetes. Both isolates positively affected the dehydrogenase activity (DHA).

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