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All Journal African Journal of Biochemistry and Molecular Biology Research Kwaghe International Journal of Sciences and Technology
Haladu Mahmud Muhammad
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Environmental Science Law, Crime, Criminology & Criminal Justice Social Sciences

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Heavy Metals Tolerant Bacteria Detection from Selected Scrap Metal Dump Site: A Review Haladu Mahmud Muhammad; Mukhtar Umar Nasir; Ansar Bilyaminu Adam; Ruslan Shamsuddeen
African Journal of Biochemistry and Molecular Biology Research Vol 1 No 1 (2024): African Journal of Biochemistry and Molecular Biology Research
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/ajbmbr.v1i1.3468

Abstract

This study aimed to detect heavy-tolerant bacteria from selected scrap metal dump sites. Heavy metals are the major setbacks to many forms of life and their presence in the ecosystem rapid increase of heavy metal contamination is due to anthropogenic activities, rampant scrap metal waste disposal, and other industrial wastes. Bacteria were found to be among the many microorganisms that can tolerate many heavy metals and can as well reduce their toxicity or even convert them to useful resources. This study aims to detect the heavy metal concentration and the bacterial species capable of tolerating the identified heavy metals from selected metal dump sites. The heavy metals content of the soil samples was analyzed using Atomic Absorption Spectrophotometry (AAS). Standard methods of enrichment culture and colony count were used to isolate a total of 12 bacterial species. Using 16S rRNA gene sequence-based molecular systematics, the 12 isolates were identified and grouped into one genus (Bacillus). It was observed from the results that the heavy metals (Pb, Zn, Cu, Cd, and Cr) concentrations found to be high above the WHO permissible limits (Copper-2.0, Zinc-3.0, Lead-0.4, Chromium-0.05, and Cadmium-0.03). Therefore, the bacterial isolates capable of surviving at such levels of heavy metals could have a potential application in the bioremediation and bioleaching of heavy metal contaminants.
Heavy Metal Pollution in Aquatic Ecosystems: A Review of Toxic Impacts and Remediation Strategies Musa Yahaya Abubakar; Kabiru Bashir Ahmad; Twan Sale Mathew; Ruslan Shamsudden; Haladu Mahmud Muhammad; Mohammed Haladu; Ansar Bilyaminu Adam
Kwaghe International Journal of Sciences and Technology Vol 1 No 1 (2024): Kwaghe International Journal of Sciences and Technology
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/kijst.v1i1.3621

Abstract

Heavy metals contamination in aquatic ecosystems is a critical environmental issue with far-reaching implications for ecological health and human safety, Heavy metal pollution in aquatic ecosystems is a pressing environmental concern, posing significant risks to aquatic life and human health. This review summarizes the toxic effects of heavy metals (HMs) on aquatic organisms, ecosystems, and human consumers. The study explores the sources, fate, and transport of HMs in aquatic environments, highlighting their bioaccumulation, biomagnification, and ecological impacts. Remediation strategies, including phytoextraction, bioaugmentation, and chemical treatment, are critically eval_uated. Emerging technologies, such as Nano remediation and bioremediation, offer promising solutions. The study showed heavy metal pollution in aquatic ecosystems is a significant environmental challenge that requires coordinated efforts from governments, industries, and communities to mitigate its impacts and protect water quality and aquatic life. By addressing the sources and effects of heavy metals in aquatic habitats, we can mitigate their impact on the environment and human health, ensuring the sustainability of these vital ecosystems.
Co-Authors Ansar Bilyaminu Adam Kabiru Bashir Ahmad Mohammed Haladu Mukhtar Umar Nasir Musa Yahaya Abubakar Ruslan Shamsuddeen Ruslan Shamsudden Twan Sale Mathew