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首页> 外文期刊>Bioprocess and Biosystems Engineering >Carotene-degrading activities from Bjerkandera adusta possess an application in detergent industries
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Carotene-degrading activities from Bjerkandera adusta possess an application in detergent industries

机译：Bjerkandera adusta的胡萝卜素降解活性在洗涤剂工业中具有应用

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摘要

Four extracellular enzymes, a versatile peroxidase, a manganese peroxidase, a dye-decolorizing peroxidase and a lignin peroxidase were discovered in liquid cultures of the basidiomycete Bjerkandera adusta. All of them cleaved beta-carotene effectively. Expression was enhanced in the presence of beta-carotene or Coomassie Brilliant Blue and peaked after 7-9 days. The monomeric proteins were purified by ion exchange and size exclusion chromatography and exhibited molecular masses of 41, 43, 51 and 43 kDa, respectively. The coding sequences showed homologies from 61 to 89 % to peroxidases from other basidiomycetes. The novel enzymes retained strong activity even in the absence of hydrogen peroxide and at alkaline pH. De-staining of fabrics using detergent-tolerant enzymes may help to save the most important bio-resources, energy and water, in washing processes and led to green processes in textile cleaning.
机译：在担子菌Bjerkandera adusta的液体培养物中发现了四种细胞外酶，一种通用的过氧化物酶，一种锰过氧化物酶，一种染料脱色过氧化物酶和一种木质素过氧化物酶。他们都有效地裂解了β-胡萝卜素。在存在β-胡萝卜素或考马斯亮蓝的情况下表达增强，并在7-9天后达到峰值。通过离子交换和尺寸排阻色谱法纯化单体蛋白，其分子量分别为41、43、51和43 kDa。编码序列显示出与其他担子菌的过氧化物酶的同源性为61％至89％。即使在没有过氧化氢和碱性pH值的情况下，新型酶仍具有很强的活性。使用耐洗涤剂的酶对织物进行脱色可以帮助节省洗涤过程中最重要的生物资源，能源和水，并导致纺织品清洁中的绿色过程。

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