Investigating recombinant manganese-catalases from Geobacillus thermopakistaniensis for sustainable and eco-friendly textile processing

IF 3 4区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES

International Journal of Environmental Science and Technology Pub Date : 2024-10-22 DOI:10.1007/s13762-024-06072-y

A. Shaeer, I. Aroob, M. Aslam, N. Azim, N. Rashid

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引用次数: 0

Abstract

Catalases are hydroperoxidases with numerous industrial applications. In textile industry, these enzymes efficiently remove hydrogen peroxide residues from bleached cotton fabrics. The commercial catalases used in the textile industry are either heme-catalases or catalase-peroxidases, which are thermolabile. Thermostable manganese-catalases represent a promising, yet unexplored alternative for this purpose. The present study explores the potential of three manganese-catalases (Cat_Gt, Cat-II_Gt, Cat_Gt-ΔC) from Geobacillus thermopakistaniensis for bleach clean-up process. These enzymes demonstrated superior performance to the commercial enzymes. Notably, Cat-II_Gt emerged as the most effective, offering significant advantages due to its high activity, thermostability, and alkaline nature. This enzyme can be directly added to the bleach bath, thereby reducing water consumption without compromising subsequent processes. To the best of our knowledge, this is the first report on applications of manganese-catalases, a less explored class, in the textile industry.

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研究来自热巴基斯坦地杆菌的重组锰催化酶在可持续和生态友好型纺织品加工中的应用

过氧化氢酶是一种具有广泛工业应用的氢过氧化物酶。在纺织工业中，这些酶能有效地去除漂白棉织物上的过氧化氢残留物。纺织工业中使用的商业过氧化氢酶是血红素过氧化氢酶或过氧化氢酶过氧化物酶，它们是耐热的。耐热锰过氧化氢酶代表了一种有前途的，但尚未开发的替代方案。本研究探讨了三种锰过氧化氢酶（CatGt, Cat-IIGt, CatGt-ΔC）在热帕氏地杆菌漂白净化过程中的潜力。这些酶的性能优于市售酶。值得注意的是，Cat-IIGt是最有效的，由于其高活性、热稳定性和碱性，提供了显著的优势。这种酶可以直接添加到漂白剂浴中，从而在不影响后续工艺的情况下减少用水量。据我们所知，这是关于锰过氧化氢酶在纺织工业中应用的第一份报告，这是一个较少探索的类别。

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来源期刊

International Journal of Environmental Science and Technology 环境科学-环境科学

CiteScore

5.60

自引率

6.50%

发文量

806

审稿时长

10.8 months

期刊介绍： International Journal of Environmental Science and Technology (IJEST) is an international scholarly refereed research journal which aims to promote the theory and practice of environmental science and technology, innovation, engineering and management. A broad outline of the journal''s scope includes: peer reviewed original research articles, case and technical reports, reviews and analyses papers, short communications and notes to the editor, in interdisciplinary information on the practice and status of research in environmental science and technology, both natural and man made. The main aspects of research areas include, but are not exclusive to; environmental chemistry and biology, environments pollution control and abatement technology, transport and fate of pollutants in the environment, concentrations and dispersion of wastes in air, water, and soil, point and non-point sources pollution, heavy metals and organic compounds in the environment, atmospheric pollutants and trace gases, solid and hazardous waste management; soil biodegradation and bioremediation of contaminated sites; environmental impact assessment, industrial ecology, ecological and human risk assessment; improved energy management and auditing efficiency and environmental standards and criteria.