The microorganism-plant system for remediation of soil exposed to coal mining
Introduction. Coal mining causes a radical transformation of the soil cover. Research is required into modern methods and complementary technologies for monitoring technogenic landscapes and their remediation. Our study aimed to assess soil and rhizosphere microorganisms and their potential uses for...
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Kemerovo State University
2021
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oai:doaj.org-article:28ef3839248e46aaa4a5575c08d1ac512021-11-19T04:02:57ZThe microorganism-plant system for remediation of soil exposed to coal mining2308-40572310-959910.21603/2308-4057-2021-2-406-418https://doaj.org/article/28ef3839248e46aaa4a5575c08d1ac512021-11-01T00:00:00Zhttp://jfrm.ru/en/issues/1879/1972/https://doaj.org/toc/2308-4057https://doaj.org/toc/2310-9599Introduction. Coal mining causes a radical transformation of the soil cover. Research is required into modern methods and complementary technologies for monitoring technogenic landscapes and their remediation. Our study aimed to assess soil and rhizosphere microorganisms and their potential uses for the remediation of technogenic soils in Russian coal regions. Study objects and methods. We reviewed scientific articles published over the past five years, as well as those cited in Scopus and Web of Science. Results and discussion. Areas lying in the vicinity of coal mines and coal transportation lines are exposed to heavy metal contamination. We studied the application of soil remediation technologies that use sorbents from environmentally friendly natural materials as immobilizers of toxic elements and compounds. Mycorrhizal symbionts are used for soil decontamination, such as arbuscular mycorrhiza with characteristic morphological structures in root cortex cells and some mycotallia in the form of arbuscules or vesicles. Highly important are Gram-negative proteobacteria (Agrobacterium, Azospirillum, Azotobacter, Burkholderia, Bradyrizobium, Enterobacter, Pseudomonas, Klebsiella, Rizobium), Gram-positive bacteria (Bacillus, Brevibacillus, Paenibacillus), and Grampositive actinomycetes (Rhodococcus, Streptomyces, Arhtrobacter). They produce phytohormones, vitamins, and bioactive substances, stimulating plant growth. Also, they reduce the phytopathogenicity of dangerous diseases and harmfulness of insects. Finally, they increase the soil’s tolerance to salinity, drought, and oxidative stress. Mycorrhizal chains enable the transport and exchange of various substances, including mineral forms of nitrogen, phosphorus, and organic forms of C3 and C4 plants. Microorganisms contribute to the removal of toxic elements by absorbing, precipitating or accumulating them both inside the cells and in the extracellular space. Conclusion. Our review of scientific literature identified the sources of pollution of natural, agrogenic, and technogenic landscapes. We revealed the effects of toxic pollutants on the state and functioning of living systems: plants, animals, and microorganisms. Finally, we gave examples of modern methods used to remediate degraded landscapes and reclaim disturbed lands, including the latest technologies based on the integration of plants and microorganisms.Margarita Yu. DrozdovaAnna V. PozdnyakovaMaria A. OsintsevaNadezhda V. BurovaVarvara I. MininaKemerovo State Universityarticletechnogenic landscapesheavy metalspollutantsphytoremediationremediationmycorrhizal fungirhizogenic microorganismsFood processing and manufactureTP368-456ENFoods and Raw Materials, Vol 9, Iss 2, Pp 406-418 (2021) |
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technogenic landscapes heavy metals pollutants phytoremediation remediation mycorrhizal fungi rhizogenic microorganisms Food processing and manufacture TP368-456 |
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technogenic landscapes heavy metals pollutants phytoremediation remediation mycorrhizal fungi rhizogenic microorganisms Food processing and manufacture TP368-456 Margarita Yu. Drozdova Anna V. Pozdnyakova Maria A. Osintseva Nadezhda V. Burova Varvara I. Minina The microorganism-plant system for remediation of soil exposed to coal mining |
description |
Introduction. Coal mining causes a radical transformation of the soil cover. Research is required into modern methods and complementary technologies for monitoring technogenic landscapes and their remediation. Our study aimed to assess soil and rhizosphere microorganisms and their potential uses for the remediation of technogenic soils in Russian coal regions. Study objects and methods. We reviewed scientific articles published over the past five years, as well as those cited in Scopus and Web of Science. Results and discussion. Areas lying in the vicinity of coal mines and coal transportation lines are exposed to heavy metal contamination. We studied the application of soil remediation technologies that use sorbents from environmentally friendly natural materials as immobilizers of toxic elements and compounds. Mycorrhizal symbionts are used for soil decontamination, such as arbuscular mycorrhiza with characteristic morphological structures in root cortex cells and some mycotallia in the form of arbuscules or vesicles. Highly important are Gram-negative proteobacteria (Agrobacterium, Azospirillum, Azotobacter, Burkholderia, Bradyrizobium, Enterobacter, Pseudomonas, Klebsiella, Rizobium), Gram-positive bacteria (Bacillus, Brevibacillus, Paenibacillus), and Grampositive actinomycetes (Rhodococcus, Streptomyces, Arhtrobacter). They produce phytohormones, vitamins, and bioactive substances, stimulating plant growth. Also, they reduce the phytopathogenicity of dangerous diseases and harmfulness of insects. Finally, they increase the soil’s tolerance to salinity, drought, and oxidative stress. Mycorrhizal chains enable the transport and exchange of various substances, including mineral forms of nitrogen, phosphorus, and organic forms of C3 and C4 plants. Microorganisms contribute to the removal of toxic elements by absorbing, precipitating or accumulating them both inside the cells and in the extracellular space. Conclusion. Our review of scientific literature identified the sources of pollution of natural, agrogenic, and technogenic landscapes. We revealed the effects of toxic pollutants on the state and functioning of living systems: plants, animals, and microorganisms. Finally, we gave examples of modern methods used to remediate degraded landscapes and reclaim disturbed lands, including the latest technologies based on the integration of plants and microorganisms. |
format |
article |
author |
Margarita Yu. Drozdova Anna V. Pozdnyakova Maria A. Osintseva Nadezhda V. Burova Varvara I. Minina |
author_facet |
Margarita Yu. Drozdova Anna V. Pozdnyakova Maria A. Osintseva Nadezhda V. Burova Varvara I. Minina |
author_sort |
Margarita Yu. Drozdova |
title |
The microorganism-plant system for remediation of soil exposed to coal mining |
title_short |
The microorganism-plant system for remediation of soil exposed to coal mining |
title_full |
The microorganism-plant system for remediation of soil exposed to coal mining |
title_fullStr |
The microorganism-plant system for remediation of soil exposed to coal mining |
title_full_unstemmed |
The microorganism-plant system for remediation of soil exposed to coal mining |
title_sort |
microorganism-plant system for remediation of soil exposed to coal mining |
publisher |
Kemerovo State University |
publishDate |
2021 |
url |
https://doaj.org/article/28ef3839248e46aaa4a5575c08d1ac51 |
work_keys_str_mv |
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