Growth kinetics of lead resistant Bacillus infantis isolated from battery industry waste

Article Mycology

Genome sequencing of Cladophialophora exuberans, a novel candidate for bioremediation of hydrocarbon and heavy metal polluted habitats

Nickolas Menezes da Silva et al.

Summary: This study focused on the sequencing, assembly, and description of the whole genome of Cladophialophora exuberans, a black yeast related fungus, with an emphasis on genes and pathways related to carbon and toxin management, tolerance and bioremediation of lead and copper, and metal homeostasis. The results showed that the strain exhibited growth inhibition at minimum inhibitory and fungicidal concentrations of copper and lead, and could grow at higher concentrations in agar tests. In addition, the strain demonstrated uptake capacities of copper and lead in heavy metal bioremediation assays. This study contributed to the annotation of genes involved in heavy metal homeostasis and provided insights into the mechanisms of tolerance and adaptation to extreme conditions.

FUNGAL BIOLOGY (2023)

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Article Environmental Sciences

Bioremediation of lead-contaminated soil by inorganic phosphate-solubilizing bacteria immobilized on biochar

Xiaoli Zhu et al.

Summary: In this study, a bio-composite material (IBWS700) was prepared by immobilizing inorganic phosphate-solubilizing bacteria (iPSB) on biochar made from wheat straw, and its remediation effects on lead-contaminated soil were investigated. The results showed that IBWS700 significantly reduced the bio-availability of lead and increased the residual fraction. It also affected the physicochemical properties, enzyme activities, and immobilization mechanisms of lead in the soil.

ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY (2022)

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Review Environmental Sciences

Bacterial adaptive strategies to cope with metal toxicity in the contaminated environment-A review

Krishnamurthy Mathivanan et al.

Summary: Heavy metal contamination is a serious environmental threat that requires attention. Environmental biotechnologists and eco-toxicologists have studied various bioremediation mechanisms to remove heavy metals effectively. Bacteria with metal resistance are advocated for efficient metal removal.

ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY (2021)

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Review Environmental Sciences

Bacterial tolerance strategies against lead toxicity and their relevance in bioremediation application

Anindita Mitra et al.

Summary: Lead is a highly toxic heavy metal that is widespread in soil, air, and water, causing serious health and environmental issues. Microbes in lead-contaminated areas have evolved unique defense mechanisms to thrive in this environment.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2021)

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Article Engineering, Environmental