The role and mechanisms of microbes in dichlorodiphenyltrichloroethane (DDT) and its residues bioremediation

Q1 Immunology and Microbiology

Biotechnology Reports Pub Date : 2024-03-11 DOI:10.1016/j.btre.2024.e00835

Girma Ebsa , Birhanu Gizaw , Mesele Admassie , Tizazu Degu , Tesfaye Alemu

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Abstract

Environmental contamination with dichlorodiphenyltrichloroethane (DDT) has sever effects on the ecosystem worldwide. DDT is a recalcitrant synthetic chemical with high toxicity and lipophilicity. It is also bioaccumulated in the food chain and causes genotoxic, estrogenic, carcinogenic, and mutagenic effects on aquatic organisms and humans. Microbial remediation mechanism and its enzymes are very important for removing DDT from environment. DDT and its main residues dichlorodiphenyldichloroethylene (DDE) and dichlorodiphenyldichloroethane (DDD) can biodegrade slowly in soil and water. To enhance this process, a number of strategies are proposed, such as bio-attenuation, biostimulation, bioaugmentation and the manipulation of environmental conditions to enhance the activity of microbial enzymes. The addition of organic matter and flooding of the soil enhance DDT degradation. Microbial candidates for DDT remediation include micro-algae, fungi and bacteria. This review provide brief information and recommendation on microbial DDT remediation and its mechanisms.

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微生物在二氯二苯基三氯乙烷（DDT）及其残留物生物修复中的作用和机制

二氯二苯基三氯乙烷（DDT）造成的环境污染对全球生态系统产生了严重影响。滴滴涕是一种具有高毒性和亲油性的难降解合成化学品。它还会在食物链中进行生物累积，对水生生物和人类产生基因毒性、雌激素、致癌和致突变作用。微生物修复机制及其酶对清除环境中的滴滴涕非常重要。滴滴涕及其主要残留物二氯二苯基二氯乙烯（DDE）和二氯二苯基二氯乙烷（DDD）可在土壤和水中缓慢生物降解。为了加强这一过程，人们提出了许多策略，如生物衰减、生物刺激、生物增强和操纵环境条件以提高微生物酶的活性。添加有机物和淹没土壤可促进滴滴涕降解。可用于滴滴涕修复的微生物包括微藻类、真菌和细菌。本综述提供了有关微生物滴滴涕补救及其机制的简要信息和建议。

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来源期刊

Biotechnology Reports Immunology and Microbiology-Applied Microbiology and Biotechnology

CiteScore

15.80

自引率

0.00%

发文量

审稿时长

55 days

期刊介绍： Biotechnology Reports covers all aspects of Biotechnology particularly those reports that are useful and informative and that will be of value to other researchers in related fields. Biotechnology Reports loves ground breaking science, but will also accept good science that can be of use to the biotechnology community. The journal maintains a high quality peer review where submissions are considered on the basis of scientific validity and technical quality. Acceptable paper types are research articles (short or full communications), methods, mini-reviews, and commentaries in the following areas: Healthcare and pharmaceutical biotechnology Agricultural and food biotechnology Environmental biotechnology Molecular biology, cell and tissue engineering and synthetic biology Industrial biotechnology, biofuels and bioenergy Nanobiotechnology Bioinformatics & systems biology New processes and products in biotechnology, bioprocess engineering.