The interplay between microbial communities and soil properties

Nature Reviews Microbiology, Год журнала: 2023, Номер 22(4), С. 226 - 239

Опубликована: Окт. 20, 2023

Язык: Английский

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Mechanisms and implications of bacterial–fungal competition for soil resources

The ISME Journal, Год журнала: 2024, Номер 18(1)

Опубликована: Янв. 1, 2024

Abstract Elucidating complex interactions between bacteria and fungi that determine microbial community structure, composition, functions in soil, as well regulate carbon (C) nutrient fluxes, is crucial to understand biogeochemical cycles. Among the various interactions, competition for resources main factor determining adaptation niche differentiation these two big groups soil. This because C energy limitations growth are a rule rather than an exception. Here, we review demands of fungi—the major kingdoms soil—the mechanisms their other resources, leading differentiation, global change impacts on this competition. The normalized utilization preference showed 1.4–5 times more efficient uptake simple organic compounds substrates, whereas 1.1–4.1 effective utilizing compounds. Accordingly, strongly outcompete while take advantage Bacteria also compete with products released during degradation substrates. Based specifics, differentiated spatial, temporal, chemical niches will increase under five changes including elevated CO2, N deposition, soil acidification, warming, drought. Elevated warming bacterial dominance, acidification drought fungal competitiveness.

Язык: Английский

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Polyethylene microplastics alter soil microbial community assembly and ecosystem multifunctionality

Environment International, Год журнала: 2023, Номер 183, С. 108360 - 108360

Опубликована: Ноя. 30, 2023

Although pervasive microplastics (MPs) pollution in terrestrial ecosystems invites increasing concern, impact of MPs on soil microbial community assembly, and ecosystem functions multifunctionality received relatively little attention. Here, we manipulated a mesocosm experiment to investigate how polyethylene (PE MPs; 0, 1%, 5%, w/w) influence plant production, quality, diversity enzymology carbon (C), nitrogen (N) phosphorus (P) cycling, maize–soil continuum. Results showed that PE exerted negligible effect biomass (dry weight). The 5% caused declines the availability water, C P, whereas enhanced pH storage. activity C-cycling enzymes (α/β-1, 4-glucosidase, β-D-cellobiohydrolase) was promoted by 1% MPs, while β-1, 4-glucosidase inhibited MPs. reduced N-cycling (protease urease), increased P-cycling enzyme (alkaline phosphatase). shifted composition, number specialist species, stability networks resistance. altered with concentration decreasing dispersal limitation proportion (from 13.66 9.96%). Overall, improved concentration, α/β-1, urease, protease, ammonium-N content were most important predictors multifunctionality. These results underscore can alter assembly multifunctionality, thus development implement scalable solutions controlling become increasingly imperative sustainable agricultural production.

Язык: Английский

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Positive associations fuel soil biodiversity and ecological networks worldwide

Proceedings of the National Academy of Sciences, Год журнала: 2024, Номер 121(6)

Опубликована: Янв. 29, 2024

Microbial interactions are key to maintaining soil biodiversity. However, whether negative or positive associations govern the microbial system at a global scale remains virtually unknown, limiting our understanding of how microbes interact support biodiversity and functions. Here, we explored ecological networks among multitrophic organisms involving bacteria, protists, fungi, invertebrates in survey across 20 regions planet found that both pairs triads taxa governed networks. We further revealed with greater levels supported larger resulted lower network fragility withstand potential perturbations species losses. Our study provides unique evidence widespread between their crucial role structure worldwide.

Язык: Английский

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Plant diversity drives positive microbial associations in the rhizosphere enhancing carbon use efficiency in agricultural soils

Nature Communications, Год журнала: 2024, Номер 15(1)

Опубликована: Сен. 14, 2024

Expanding and intensifying agriculture has led to a loss of soil carbon. As agroecosystems cover over 40% Earth's land surface, they must be part the solution put in action mitigate climate change. Development efficient management practices maximize carbon retention is currently limited, part, by poor understanding how plants, which input soil, microbes, determine its fate there, interact. Here we implement diversity gradient intercropping undersown species with barley large field trial, ranging from one eight species. We find that increasing plant strengthens positive associations within rhizosphere microbial community relation negative associations. These associations, turn, enhance use efficiency. Jointly, our results highlight can used as strategy potential agricultural soils.

Язык: Английский

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Fungi stabilize multi‐kingdom community in a high elevation timberline ecosystem

iMeta, Год журнала: 2022, Номер 1(4)

Опубликована: Авг. 15, 2022

Microbes dominate terrestrial ecosystems via their great species diversity and vital ecosystem functions, such as biogeochemical cycling mycorrhizal symbiosis. Fungi other organisms form diverse association networks. However, the roles of belonging to different kingdoms in multi-kingdom community networks have remained largely elusive. In light integrative microbiome initiative, we inferred multiple-kingdom biotic associations from high elevation timberline soils using SPIEC-EASI method. Biotic interactions among plants, nematodes, fungi, bacteria, archaea were surveyed at network levels. Compared single-kingdom networks, increased within-kingdom cross-kingdom edge numbers by 1012 10,772, respectively, well mean connectivity negative proportion 15.2 0.8%, respectively. Fungal involvement stability (i.e., resistance node loss) connectivity, but reduced modularity, when compared with those archaea. entire network, fungal nodes characterized significantly higher degree betweenness than bacteria. more often played role connector, linking modules. Consistently, structural equation modeling multiple regression on matrices corroborated "bridge" fungi level, plants soil biota. Overall, our findings suggest that can stabilize self-organization process The facilitate initiation carrying out studies natural reveal complex above- belowground linkages.

Язык: Английский

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Analysis of Microbial Community, Volatile Flavor Compounds, and Flavor of Cigar Tobacco Leaves From Different Regions

Frontiers in Microbiology, Год журнала: 2022, Номер 13

Опубликована: Июнь 10, 2022

Despite the booming international trade in cigar tobacco leaves (CTLs), main characteristics of from different producing areas are rarely reported. This study aimed to characterize microbial community, volatile flavor compounds (VFCs), and CTLs four famous cigar-producing areas, including Dominica, Brazil, Indonesia, China. High-throughput sequencing results showed that dominant genera were Staphylococcus, Pseudomonas, Aspergillus, Sampaiozyma, Alternaria. Sensory analysis revealed Indonesian Chinese characterized by leathery, peppery, baked aroma. Brazilian dominated caramel herb Dominican had aromas milk, fruity, sour, cream, flower, nutty, honey. Supplemented with determination could be scientifically quantified. Most these VFCs aldehydes ketones, 20 significant differences regions. The VFCs, vary widely due geographic differences. Network community was closely related most but relationships between fungal less than bacterial them negative. Furthermore, it also found a greater contribution community. obtained essential information on CTLs, which laid foundation for deeply excavating relationship microbes flavor, establishing database.

Язык: Английский

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A novel cross-flow honeycomb bionic carrier promotes simultaneous nitrification, denitrification and phosphorus removal in IFAS system: Performance, mechanism and keystone species

Water Research, Год журнала: 2022, Номер 225, С. 119132 - 119132

Опубликована: Сен. 18, 2022

Язык: Английский

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Effect of phenol formaldehyde-associated microplastics on soil microbial community, assembly, and functioning

Journal of Hazardous Materials, Год журнала: 2022, Номер 443, С. 130288 - 130288

Опубликована: Окт. 31, 2022

Язык: Английский

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Effects of Inoculation With Acinetobacter on Fermentation of Cigar Tobacco Leaves

Frontiers in Microbiology, Год журнала: 2022, Номер 13

Опубликована: Июнь 17, 2022

Metabolic activity of the microbial community greatly affects quality cigar tobacco leaves (CTLs). To improve CTLs, two extrinsic microbes ( Acinetobacter sp. 1H8 and indicus 3B2) were inoculated into CTLs. The CTLs significantly improved after fermentation. content solanone, 6-methyl-5-hepten-2-one, benzeneacetic acid, ethyl ester, cyclohexanone, octanal, acetophenone, 3,5,5-trimethyl-2-cyclohexen-1-one increased 1H8. inoculation enhanced normal evolutionary trend bacterial community. trimethyl-pyrazine, 2,6-dimethyl-pyrazine, megastigmatrienone 3B2. 3B2 completely changed original Network analysis revealed that was negatively correlated with Aquabacterium , positively Bacillus had significant correlations many volatile flavor compounds. This work may be helpful for improving fermentation product by regulating community, gain insight ecosystem.

Язык: Английский

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