Biosorption and bioaccumulation of nickel by probiotic lactic acid bacteria isolated from human feces

IF 1.9 4区环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES

Bioremediation Journal Pub Date : 2022-06-21 DOI:10.1080/10889868.2022.2086529

Shokufeh Beglari, F. Khodagholi, Hamid Gholami pourbadie, A. Iranbakhsh, M. Rohani

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引用次数: 3

Abstract

Abstract Nickel is a heavy metal that has a variety of negative impacts on living organisms and causes different health disorders. Probiotic bacteria have been recently utilized for nickel detoxification through bioremediation strategies. We inspected that the role of probiotic lactic acid bacteria in reducing nickel toxicity has been investigated using two biological methods, including biosorption and bioaccumulation. Seventeen strains of nickel-resistant probiotic lactic acid bacteria isolated from the human microbiome were selected out of 88 strains by three different screening stages comprising disc diffusion, MIC, and biosorption/bioaccumulation tests culminated in four of the most powerful strains in reducing nickel from their culture medium. They were L. brevis 205, L. mocusae 226, L. casei 375, and B. infantis 1001 with the mean nickel biosorption rate of 82%, 66%, 70%, and 74%, respectively. The bioaccumulation test resulted in an approximate rate of accumulated nickel inside the strains cells. L. casei, L. brevis, and L. mocusae had the best rate of about 43% nickel accumulation, followed by B. infantis with a 42% bioaccumulation rate. This study supports that the theory of applying probiotic lactic acid bacteria to food and water detoxification could be a safe, bio-friendly alternative for gut remediation and in edible industries.

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来源期刊

Bioremediation Journal ENVIRONMENTAL SCIENCES-

CiteScore

5.30

自引率

0.00%

发文量

审稿时长

9 months

期刊介绍： Bioremediation Journal is a peer-reviewed quarterly that publishes current, original laboratory and field research in bioremediation, the use of biological and supporting physical treatments to treat contaminated soil and groundwater. The journal rapidly disseminates new information on emerging and maturing bioremediation technologies and integrates scientific research and engineering practices. The authors, editors, and readers are scientists, field engineers, site remediation managers, and regulatory experts from the academic, industrial, and government sectors worldwide. High-quality, original articles make up the primary content. Other contributions are technical notes, short communications, and occasional invited review articles.