Cadmium Tolerance and Uptake Potential of Agricultural Sites Filamentous Fungi and A Brief Review of Its Application in Bioremediation Processes

IF 2.2 4区环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES

Geomicrobiology Journal Pub Date : 2023-09-05 DOI:10.1080/01490451.2023.2243927

Vilson Conrado da Luz, Giovanna de Melo Santiago, Pedro Augusto Ramos Vanzele, Diego Pereira Siqueira, Michele Fochesatto, Alfredo Castamann, Denise Cargnelutti

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引用次数: 0

Abstract

Abstract Cadmium (Cd) is a metal widely known to cause toxic effects on the environment and human health. Soil represents a rich habitat for fungi, which have certain characteristics in their cell wall that made them a powerful tool for biosorption of toxic metals. Therefore, it was sought to identify potential filamentous fungi for different methods of remediation of contaminated areas. The identification of fungi from agricultural cultivation areas that can tolerate Cd and help in cadmium remediation processes occurred through the isolation and culture of several microorganisms submitted to screening experiments and tolerance evaluation. Four strains of the genera Fusarium sp., Penicillium sp., and Aspergillus sp. were isolated. Those strains showed abilities to tolerate the stress caused by Cd, presenting a tolerance index (Ti) of 13.79 − 107.30%. Analyses of FTIR demonstrated the existence of different functional groups in the cell wall that can be involved in the coordination of Cd2+ ions, as C = O stretches of carboxyl and amide-I. Results showed a Cd uptake range of 0.88 − 3.61 mg Cd g−1 of dry biomass. The results indicated that Fusarium sp. and Penicillium sp. isolated from agricultural sites are highly tolerant to Cd and are promising fungi for implementation in remediation processes.

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来源期刊

Geomicrobiology Journal 环境科学-地球科学综合

CiteScore

4.80

自引率

8.70%

发文量

审稿时长

3.3 months

期刊介绍： Geomicrobiology Journal is a unified vehicle for research and review articles in geomicrobiology and microbial biogeochemistry. One or two special issues devoted to specific geomicrobiological topics are published each year. General articles deal with microbial transformations of geologically important minerals and elements, including those that occur in marine and freshwater environments, soils, mineral deposits and rock formations, and the environmental biogeochemical impact of these transformations. In this context, the functions of Bacteria and Archaea, yeasts, filamentous fungi, micro-algae, protists, and their viruses as geochemical agents are examined. Articles may stress the nature of specific geologically important microorganisms and their activities, or the environmental and geological consequences of geomicrobiological activity. The Journal covers an array of topics such as: microbial weathering; microbial roles in the formation and degradation of specific minerals; mineralization of organic matter; petroleum microbiology; subsurface microbiology; biofilm form and function, and other interfacial phenomena of geological importance; biogeochemical cycling of elements; isotopic fractionation; paleomicrobiology. Applied topics such as bioleaching microbiology, geomicrobiological prospecting, and groundwater pollution microbiology are addressed. New methods and techniques applied in geomicrobiological studies are also considered.