Assessment of the applicability of a “toolbox” designed for microbially assisted phytoremediation: the case study at Ingurtosu mining site (Italy)

Sprocati, Anna Rosa; Alisi, Chiara; Pinto, Valentina; Montereali, Maria Rita; Marconi, Paola; Tasso, Flavia; Turnau, Katarzyna; Giudici, Giovanni; Góralska, Katarzyna; Bevilacqua, Marta; Marini, Federico; Cremisini, Carlo

doi:10.1007/s11356-013-2154-3

Cited by 30 publications

(24 citation statements)

References 28 publications

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“…In other studies, it was confirmed that beyond Biolog EcoPlate derived values other microbial parameters, such as fast-growing heterotrophic bacterial cell number, microbial abundance, the activity of selected enzymes (dehydrogenase, urease) were also improved after red mud treatment (Castaldi et al, 2009, Garau et al, 2007. Sprocati et al 2014 explained the high functional diversity of the metabolic profile of toxic metal polluted soil gained after Viromine™ (a red mud derived product) treatment as related with the increase in pH caused by its the addition. Garau et al, 2007 found that the microbial population from the 4 w/w% RM amended Pb, Cd and Zn polluted sandy soil showed higher substrate richness measured by Biolog EcoPlate compared to the control soil while RM decreased significantly the solubility of Pb, Cd and Zn, which was likely responsible for the promotion of bacterial abundance.…”

Section: Discussionmentioning

confidence: 62%

“…Due to the combined presence of ferric, aluminium and tectosilicate-like compounds in red mud (Gadepalle et al, 2007), it is proved to be an effective amendment in reducing metal mobility in contaminated soils and stimulating microbial abundance, diversity and activity (Garau et al, 2007, Lombi et al, 2002, Gray et al, 2006, Bertocchi et al, 2006, Castaldi et al, 2009, Sprocati et al, 2014.…”

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confidence: 99%

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Influence of red mud on soil microbial communities: Application and comprehensive evaluation of the Biolog EcoPlate approach as a tool in soil microbiological studies

Feigl

Ujaczki

Vaszita

et al. 2017

Science of The Total Environment

128

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Red mud can be applied as soil ameliorant to acidic, sandy and micronutrient deficient soils. There are still knowledge gaps regarding the effects of red mud on the soil microbial community. The Biolog EcoPlate technique is a promising tool for community level physiological profiling. This study presents a detailed evaluation of Biolog EcoPlate data from two case studies. In experiment "A" red mud from Ajka (Hungary) was mixed into acidic sandy soil in soil microcosms at 5-50 w/w%. In experiement "B" red mud soil mixture was mixed into low quality subsoil in a field experiment at 5-50 w/w%. According to average well color development, substrate average well color development and substrate richness 5-20% red mud increased the microbial activity of the acidic sandy soil over the short term, but the effect did not last for 10 months. Shannon diversity index showed that red mud at up to 20% did not change microbial diversity over the short term, but the diversity decreased by the 10 th month. 30-50% red mud had deteriorating effect on the soil microflora. 5-20% red mud soil mixture in the low quality subsoil had a long lasting enhancing effect on the microbial community based on all Biolog EcoPlate parameters. However, 50% red mud soil mixture caused a decrease in diversity and substrate richness. With the Biolog EcoPlate we were able to monitor the changes of the microbial community in red mud affected soils and to assess the amount of red mud and red mud soil mixture applicable for soil treatment in these cases.

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Section: Discussionmentioning

confidence: 62%

mentioning

confidence: 99%

Influence of red mud on soil microbial communities: Application and comprehensive evaluation of the Biolog EcoPlate approach as a tool in soil microbiological studies

Feigl

Ujaczki

Vaszita

et al. 2017

Science of The Total Environment

128

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“…Our aim in this study is not to push the system to known toxic levels or to test the effect of Hg on plant production. Many fungi can tolerate high concentrations of heavy metals, especially mycorrhizae (Orlowska et al 2013), and endophytes (Shen et al 2013) or as part of a microbial toolbox (Gadd 2004; Sprocati et al 2014) targeted for bioremediation. Instead, we selected ambient and elevated Hg values to better understand the effects of Hg atmospheric deposition on the fungal phylloplane community of a more natural system.…”

Section: Introductionmentioning

confidence: 99%

Mercury affects the phylloplane fungal community of blueberry leaves to a lesser extent than plant age

2017

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Mercury (Hg) is a toxic heavy metal pollutant that is globally distributed due to atmospheric deposition to non-point source locations. Leaf surfaces directly sequester atmospheric Hg. Little is known of how phylloplane (leaf surface) fungi are influenced by Hg pollution. Through culture-based methodology, this study analysed fungal phylloplane community identity following a single-dose response to HgCl2 concentrations between 0 and 20 times ambient levels for New Jersey. Time passed following the Hg addition had a strong influence on the fungal phylloplane community, associated with natural successional changes. Mercury, however, did not significantly affect the phylloplane community identity. Notably, the control group was not significantly different than any of the Hg treatments. How the phylloplane functional group responds to Hg pollution has not been previously investigated and more research is needed to fully understand how Hg influences fungal phylloplane ecology.

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“…Reclamation of AMLs using FRA could restore these lands' capabilities to provide forest-based ecosystem services such as wood production, atmospheric carbon sequestration, wildlife habitat, watershed protection and water quality protection to a greater extent than conventional reclamation practices. In fact, microbially-assisted phytoremediation (Sprocati et al 2014) could be one among the suitable approaches to reclaim AMLs; however, studies are not available to the best of our knowledge in this aspect.…”

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confidence: 99%

Abandoned metalliferous mines: ecological impacts and potential approaches for reclamation

Venkateswarlu

Nirola

Kuppusamy

et al. 2016

Rev Environ Sci Biotechnol

115

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The lack of awareness for timely management of the environment surrounding a metal mine site results in several adverse consequences such as rampant business losses, abandoning the bread-earning mining industry, domestic instability and rise in ghost towns, increased environmental pollution, and indirect long-term impacts on the ecosystem. Although several abandoned mine lands (AMLs) exist globally, information on these derelict mines has not been consolidated in the literature. We present here the state-of-the-art on AMLs in major mining countries with emphasis on their impact towards soil health and biodiversity, remediation methods, and laws governing management of mined sites. While reclamation of metalliferous mines by phytoremediation is still a suitable option, there exist several limitations for its implementation. However, many issues of phytoremediation at the derelict mines can be resolved following phytostabilization, a technology that is effective also at the modern operational mine sites. The use of transgenic plant species in phytoremediation of metals in contaminated sites is also gaining momentum. In any case, monitoring and efficacy testing for bioremediation of mined sites is essential. The approaches for reclamation of metalliferous mines such as environmental awareness, effective planning and assessment of pre-and postmining activities, implementation of regulations, and a safe and good use of phytostabilizers among the native plants for revegetation and ecological restoration are discussed in detail in the present review. We also suggest the use of microbially-enhanced phytoremediation and nanotechnology for efficient reclamation of AMLs, and identify future work warranted in this area of research. Further, we believe that the integration of science of remediation with mining policies and regulations is a reliable option which when executed can virtually balance economic development and environmental destruction for safer future.

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Assessment of the applicability of a “toolbox” designed for microbially assisted phytoremediation: the case study at Ingurtosu mining site (Italy)

Cited by 30 publications

References 28 publications

Influence of red mud on soil microbial communities: Application and comprehensive evaluation of the Biolog EcoPlate approach as a tool in soil microbiological studies

Influence of red mud on soil microbial communities: Application and comprehensive evaluation of the Biolog EcoPlate approach as a tool in soil microbiological studies

Mercury affects the phylloplane fungal community of blueberry leaves to a lesser extent than plant age

Abandoned metalliferous mines: ecological impacts and potential approaches for reclamation

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