Microbiological Indicators of Soil Ecological Functions: A Review

Никитин, Д. А.; Semënov, Mikhail; Чернов, Т. И.; Ksenofontova, Natalia; Железова, А. Д.; Иванова, Е. А.; Хитров, Н. Б.; Степанов, А. Л.

doi:10.1134/s1064229322020090

Cited by 41 publications

(8 citation statements)

References 121 publications

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“…Soil microbial communities have important effects on maintaining multiple ecosystem services and functions simultaneously [ 70 , 71 ]. They are sensitive to environmental changes, and alterations in microbial abundance or diversity can have an impact on ecosystem processes and functions [ 9 , 69 , 70 ].…”

Section: Discussionmentioning

confidence: 99%

Distinct Elevational Patterns and Their Linkages of Soil Bacteria and Plant Community in An Alpine Meadow of the Qinghai–Tibetan Plateau

Cong

Zhang

2022

Microorganisms

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Soil microbes play important roles in determining plant community composition and terrestrial ecosystem functions, as well as the direction and extent of terrestrial ecosystem feedback to environmental changes. Understanding the distribution patterns of plant and soil microbiota along elevation gradients is necessary to shed light on important ecosystem functions. In this study, soil bacteria along an elevation gradient in an alpine meadow ecosystem of the Qinghai–Tibetan Plateau were investigated using Illumina sequencing and GeoChip technologies. The community structure of the soil bacteria and plants presented a continuous trend along the elevation gradient, and their alpha diversity displayed different distribution patterns; however, there were no linkages between them. Beta diversity of the soil bacteria and plants was significantly influenced by elevational distance changes (p < 0.05). Functional gene categories involved in nitrogen and phosphorus cycling had faster changes than those involved in carbon degradation, and functional genes involved in labile carbon degradation also had faster variations than those involved in recalcitrant carbon degradation with elevational changes. According to Pearson’s correlation, partial Mantel test analysis, and canonical correspondence analysis, soil pH and mean annual precipitation were important environmental variables in influencing soil bacterial diversity. Soil bacterial diversity and plant diversity had different distribution patterns along the elevation gradient.

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Section: Discussionmentioning

confidence: 99%

Distinct Elevational Patterns and Their Linkages of Soil Bacteria and Plant Community in An Alpine Meadow of the Qinghai–Tibetan Plateau

Cong

Zhang

2022

Microorganisms

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“…Soil organic matter (SOM), a key attribute of soil health, gradually decreases with the application of chemical fertilizers. In addition, soil microorganisms, which play diverse ecological roles, such as organic compound mineralization, carbon sequestration, and disease suppression, are adversely impacted by both the direct and indirect application of chemical fertilizers [5, 6, 7, 8]. Poor soil quality can lead to persistent crop difficulties and diseases caused by soil borne pathogens [9, 10].…”

Section: Introductionmentioning

confidence: 99%

Clubroot disease in soil: An examination of its occurrence in chemical and organic environments

Islam,

Tran,

Kubo

2024

Preprint

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Clubroot is a disease in cruciferous plants caused by the soil-borne pathogenPlasmodiophora brassicae. This pathogen rapidly spreads in soil, and plant growth is inhibited by infection with spores. In this study, the development of clubroot disease inBrassica rapavar. perviridis was investigated in different soil environments (chemical and organic soils). The bacterial biomass and diversity of the soil and roots were also analyzed in both chemical and organic soils. Bacterial biomass and diversity in the organic soil were higher than those in the chemical soil. The disease severity of plants cultivated in organic soil was lower than that in chemical soil. The number of endophytic bacteria in the roots decreased when the plants were infected withP. brassicaein both soil types. Higher bacterial biomass in the soils and roots appeared to reduce the infection ofP. brassicae.ImportancClubroot is a major disease of cruciferous plants caused by soil borne pathogenPlasmodiophora brassica.Pesticides are applied in the soil during cultivation for the inhibition of clubroot disease, which demise soil microbiome. Therefore, eco-friendly control methods are required for sustainable cultivation. Soil management is an important strategy to inhibit clubroot disease severity. In this study, the occurrence of clubroot disease inB.rapawere compared in two distinct soil environments (chemical and organic). Results show infection rate increased with the increase of spore number for both chemical and organic soil environments. However, the diseases severity was lower in plants cultivated in organic soil. The higher endophytic bacterial biomass and diversity seems to be linked for the disease inhibition in organic plants. These findings suggest a sustainable soil management process to reduce clubroot disease prevalence. Application of organic fertilizers in commented soils could substantially reduce clubroot disease severity in the plants.

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“…Soil microbiome play a crucial role in formation and retaining of soil fertility and quality (De Mandal et al 2019, Abakumov et al 2020, Chen et al 2020, Kui et al 2021, Nikitin et al 2022, which is especially important for severe conditions of agriculture in cryolithozone. The majority of agricultural lands in Russia is concentrated in the European part of the country ( [1] Stolbovoy 2002).…”

Section: Introductionmentioning

confidence: 99%

Microbiome of abandoned soils of former agricultural cryogenic ecosystems of central part of Yamal region

Abakumov¹,

Kimeklis²,

Gladkov³

et al. 2023

Czech Polar Rep.

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Microbial activity plays a crucial role in the development and formation of soil properties. The active and abandoned agricultural soils in the Arctic zone represent a valuable resource that can play a crucial role in providing food security in the northern regions. The reuse of abandoned land for agriculture will reduce environmental risks in the context of a changing climate. Therefore, there is a need for monitoring studies to assess changes in soil parameters after long-term abandonment (taxonomic diversity, agrochemical and physico-chemical qualities). In the study, we evaluated the taxonomic diversity of the microbiome in abandoned (postagrogenic) and pristine soils of the Central part of the Yamal region. In the process of taxonomic analysis, more than 30 different bacterial and archaeal phyla were identified. The formation of a specific microbiome associated with anthropogenic influence in post-agrogenic sites has been shown. Most common types of soil microorganisms in samples collected from pristine and postagrogenic soils were Firmicutes (average 26.86%), Proteobacteria (average 23.41%), and Actinobacteria (average 15.45%). Firmicutes phylum was found mainly in the agrocenoses soils, Proteobacteria were mainly described in the mature tundra soils, Actinobacteria in humid conditions. An increase in diversity indices in postagrogenic soils was shown.

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Microbiological Indicators of Soil Ecological Functions: A Review

Cited by 41 publications

References 121 publications

Distinct Elevational Patterns and Their Linkages of Soil Bacteria and Plant Community in An Alpine Meadow of the Qinghai–Tibetan Plateau

Distinct Elevational Patterns and Their Linkages of Soil Bacteria and Plant Community in An Alpine Meadow of the Qinghai–Tibetan Plateau

Clubroot disease in soil: An examination of its occurrence in chemical and organic environments

Microbiome of abandoned soils of former agricultural cryogenic ecosystems of central part of Yamal region

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