Mycoremediation of Heavy Metal and Hydrocarbon Pollutants by Endophytic Fungi

Mishra, Rashmi; Sarma, V. Venkateswara

doi:10.1007/978-3-319-68957-9_8

Cited by 6 publications

(5 citation statements)

References 105 publications

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“…No less important is the potential of enzymes secreted by fungal endophytes as an alternative in treating wastes and degrading pollutants (Mishra and Sarma, 2017), contributing to more eco-friendly and sustainable environments. Extracelullar ligninolytic activities in endophytic Ceratobasidum stevensii isolated from Bischofia polycarpa were demonstrated by Dai et al (2010).…”

Section: Endophytic Fungi As a Source Of Natural Bioactive Metabolitesmentioning

confidence: 99%

Endophytic fungi: an overview on biotechnological and agronomic potential

et al. 2024

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Endophytic fungi colonize the inter- and/or intracellular regions of healthy plant tissues and have a close symbiotic relationship with their hosts. These microorganisms produce antibiotics, enzymes, and other bioactive compounds that enable them to survive in competitive habitats with other microorganisms. In addition, secondary metabolites confer protection to their host plant against other bacterial and fungal pathogens and/or can promote plant growth. Endophytic fungi are viewed as a promising source of bioactive natural products, which can be optimized through changes in growing conditions. The exploration of novel bioactive molecules produced by these microorganisms has been attracting attention from researchers. The chemical and functional diversity of natural products from endophytic fungi exhibits a broad spectrum of applications in medicine, agriculture, industry and the environment. Fungal endophytes can also enhance the photoprotective effects and photochemical efficiency in the host plants. Modern omic approaches have facilitated research investigating symbiotic plant-endophytic fungi interactions. Therefore, research on endophytic fungi can help discovery novel biomolecules for various biotechnological applications and develop a sustainable agriculture.

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Section: Endophytic Fungi As a Source Of Natural Bioactive Metabolitesmentioning

confidence: 99%

Endophytic fungi: an overview on biotechnological and agronomic potential

et al. 2024

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“…При разработке экологически и экономически обоснованных способов восстановления нефтезагрязненных почв наиболее перспективными представляются биотехнологические методы (биоремедиация), основанные на способности отдельных видов микроорганизмов использовать углеводороды нефти в качестве единственного источника энергии или переводить их в менее токсичные формы [3][4][5]. Эти методы очистки почв менее негативно воздействуют на окружающую среду, нежели другие методы.…”

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“…Например, связи, возникающие между высшими растениями и микроскопическими грибами (микромицетами), оказывают значительное влияние на развитие представителей обеих групп, а также на показатели плодородия почв и процессы обмена биогенными элементами [13]. Основная функция микромицетов заключается в транспортировке минеральных элементов к корневой системе растения [14,15], вследствие чего она стимулирует микробную активность почвы, обеспечивая биологически оптимальную среду для разложения органических загрязнителей [5,16,17]. Кроме того, микромицеты способны проявлять ферментативную активность, направленную на деградацию органических загрязнителей [5,14,16].…”

unclassified

“…Основная функция микромицетов заключается в транспортировке минеральных элементов к корневой системе растения [14,15], вследствие чего она стимулирует микробную активность почвы, обеспечивая биологически оптимальную среду для разложения органических загрязнителей [5,16,17]. Кроме того, микромицеты способны проявлять ферментативную активность, направленную на деградацию органических загрязнителей [5,14,16]. Такие подходы уже находят свое применение в ризоремедиации -стимулировании почвенных микроорганизмов на этапе биоремедиации почв [18].…”

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“…Несмотря на то, что особенности функционирования микромицетов при фиторемедиации загрязненных почв изучены достаточно хорошо, исследований, посвященных применению эндофитных грибов при деградации нефтяного загрязнения почв проводятся крайне мало. Дальнейшее изучение особенностей функционирования микромицетов в загрязненной почвенной среде является перспективным для разработки биоремедиационных методов деструкции загрязняющих веществ [5,22].…”

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Use prospects for microorganisms consortiums and higher plants in oil-contaminated lands restoration

Bukharina¹,

Isupova²,

Lyamzin³

et al. 2022

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The article presents the research results on the use of microscopic endotrophic fungi cultures in oil-contaminated soils bioremediation. The resistance limits of microscopic fungi Fusarium equiseti (Corda) Sacc and Cylindrocarpon magnusianum Wollenw isolates (cultures), isolated from urban soils with a high level of pollution, were studied to various oil concentrations. Wide limits of microscopic fungi tolerance to oil content were revealed. Also, the cleaning efficiency and restoring the biological activity of oil-contaminated soils was studied using a ameliorants consortium: the biological product «Mikrozim Petro Treat», containing a number of oil degrading bacteria, the plant ameliorant Kentucky bluegrass (Poa pratensis L.) and microscopic fungi. A laboratory experiment was carried out to simulate 5 and 10 % soil pollution (sandy loam and loamy soddy podzolic soils) with oil. The greatest efficiency was established when using the full ameliorants composition with microscopic fungi cultures Cylindrocarpon magnusianum Wollenw (the biological product + plant ameliorant + microscopic fungi): at the end of the experiment, in variants with 5 % oil content on both soil textures and 10 % oil pollution (loamy soil), the oil content was significantly lower than in the control (using only a biological product). On loamy soil at 5 and 10 % oil content, the invertase activity indicator of soils at the end of the experiment exceeded the control in the variant with the use of a combination of ameliorants plant ameliorant + fungi, and maximum — in the variant of the complete ameliorant consortium. These results were obtained using both cultures of microscopic fungi. On sandy loamy soils, a significant increase in the biological activity of soils compared to the control was established only at 5 % oil content and only in the variant using a complete consortium of ameliorants with the fungi Cylindrocarpon magnusianum Wollenw. The results obtained allow us to state the effeciency of the joint application of the biological product, higher plants and microscopic fungi in bioremediation of oil-contaminated soils.

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